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d3e51161 HS |
1 | /* |
2 | * Pinctrl driver for Rockchip SoCs | |
3 | * | |
4 | * Copyright (c) 2013 MundoReader S.L. | |
5 | * Author: Heiko Stuebner <heiko@sntech.de> | |
6 | * | |
7 | * With some ideas taken from pinctrl-samsung: | |
8 | * Copyright (c) 2012 Samsung Electronics Co., Ltd. | |
9 | * http://www.samsung.com | |
10 | * Copyright (c) 2012 Linaro Ltd | |
11 | * http://www.linaro.org | |
12 | * | |
13 | * and pinctrl-at91: | |
14 | * Copyright (C) 2011-2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | |
15 | * | |
16 | * This program is free software; you can redistribute it and/or modify | |
17 | * it under the terms of the GNU General Public License version 2 as published | |
18 | * by the Free Software Foundation. | |
19 | * | |
20 | * This program is distributed in the hope that it will be useful, | |
21 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
22 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
23 | * GNU General Public License for more details. | |
24 | */ | |
25 | ||
2f436204 | 26 | #include <linux/init.h> |
d3e51161 HS |
27 | #include <linux/platform_device.h> |
28 | #include <linux/io.h> | |
29 | #include <linux/bitops.h> | |
30 | #include <linux/gpio.h> | |
31 | #include <linux/of_address.h> | |
32 | #include <linux/of_irq.h> | |
33 | #include <linux/pinctrl/machine.h> | |
34 | #include <linux/pinctrl/pinconf.h> | |
35 | #include <linux/pinctrl/pinctrl.h> | |
36 | #include <linux/pinctrl/pinmux.h> | |
37 | #include <linux/pinctrl/pinconf-generic.h> | |
38 | #include <linux/irqchip/chained_irq.h> | |
7e865abb | 39 | #include <linux/clk.h> |
751a99ab | 40 | #include <linux/regmap.h> |
14dee867 | 41 | #include <linux/mfd/syscon.h> |
d3e51161 HS |
42 | #include <dt-bindings/pinctrl/rockchip.h> |
43 | ||
44 | #include "core.h" | |
45 | #include "pinconf.h" | |
46 | ||
47 | /* GPIO control registers */ | |
48 | #define GPIO_SWPORT_DR 0x00 | |
49 | #define GPIO_SWPORT_DDR 0x04 | |
50 | #define GPIO_INTEN 0x30 | |
51 | #define GPIO_INTMASK 0x34 | |
52 | #define GPIO_INTTYPE_LEVEL 0x38 | |
53 | #define GPIO_INT_POLARITY 0x3c | |
54 | #define GPIO_INT_STATUS 0x40 | |
55 | #define GPIO_INT_RAWSTATUS 0x44 | |
56 | #define GPIO_DEBOUNCE 0x48 | |
57 | #define GPIO_PORTS_EOI 0x4c | |
58 | #define GPIO_EXT_PORT 0x50 | |
59 | #define GPIO_LS_SYNC 0x60 | |
60 | ||
a282926d | 61 | enum rockchip_pinctrl_type { |
b9c6dcab | 62 | RV1108, |
a282926d HS |
63 | RK2928, |
64 | RK3066B, | |
d23c66df | 65 | RK3128, |
a282926d | 66 | RK3188, |
66d750e1 | 67 | RK3288, |
daecdc66 | 68 | RK3368, |
b6c23275 | 69 | RK3399, |
a282926d HS |
70 | }; |
71 | ||
fc72c923 HS |
72 | /** |
73 | * Encode variants of iomux registers into a type variable | |
74 | */ | |
75 | #define IOMUX_GPIO_ONLY BIT(0) | |
03716e1d | 76 | #define IOMUX_WIDTH_4BIT BIT(1) |
95ec8ae4 | 77 | #define IOMUX_SOURCE_PMU BIT(2) |
62f49226 | 78 | #define IOMUX_UNROUTED BIT(3) |
8b6c6f93 | 79 | #define IOMUX_WIDTH_3BIT BIT(4) |
fc72c923 HS |
80 | |
81 | /** | |
82 | * @type: iomux variant using IOMUX_* constants | |
6bc0d121 HS |
83 | * @offset: if initialized to -1 it will be autocalculated, by specifying |
84 | * an initial offset value the relevant source offset can be reset | |
85 | * to a new value for autocalculating the following iomux registers. | |
fc72c923 HS |
86 | */ |
87 | struct rockchip_iomux { | |
88 | int type; | |
6bc0d121 | 89 | int offset; |
65fca613 HS |
90 | }; |
91 | ||
b6c23275 DW |
92 | /** |
93 | * enum type index corresponding to rockchip_perpin_drv_list arrays index. | |
94 | */ | |
95 | enum rockchip_pin_drv_type { | |
96 | DRV_TYPE_IO_DEFAULT = 0, | |
97 | DRV_TYPE_IO_1V8_OR_3V0, | |
98 | DRV_TYPE_IO_1V8_ONLY, | |
99 | DRV_TYPE_IO_1V8_3V0_AUTO, | |
100 | DRV_TYPE_IO_3V3_ONLY, | |
101 | DRV_TYPE_MAX | |
102 | }; | |
103 | ||
3ba6767a DW |
104 | /** |
105 | * enum type index corresponding to rockchip_pull_list arrays index. | |
106 | */ | |
107 | enum rockchip_pin_pull_type { | |
108 | PULL_TYPE_IO_DEFAULT = 0, | |
109 | PULL_TYPE_IO_1V8_ONLY, | |
110 | PULL_TYPE_MAX | |
111 | }; | |
112 | ||
b6c23275 DW |
113 | /** |
114 | * @drv_type: drive strength variant using rockchip_perpin_drv_type | |
115 | * @offset: if initialized to -1 it will be autocalculated, by specifying | |
116 | * an initial offset value the relevant source offset can be reset | |
117 | * to a new value for autocalculating the following drive strength | |
118 | * registers. if used chips own cal_drv func instead to calculate | |
119 | * registers offset, the variant could be ignored. | |
120 | */ | |
121 | struct rockchip_drv { | |
122 | enum rockchip_pin_drv_type drv_type; | |
123 | int offset; | |
124 | }; | |
125 | ||
d3e51161 HS |
126 | /** |
127 | * @reg_base: register base of the gpio bank | |
6ca5274d | 128 | * @reg_pull: optional separate register for additional pull settings |
d3e51161 HS |
129 | * @clk: clock of the gpio bank |
130 | * @irq: interrupt of the gpio bank | |
5ae0c7ad | 131 | * @saved_masks: Saved content of GPIO_INTEN at suspend time. |
d3e51161 HS |
132 | * @pin_base: first pin number |
133 | * @nr_pins: number of pins in this bank | |
134 | * @name: name of the bank | |
135 | * @bank_num: number of the bank, to account for holes | |
fc72c923 | 136 | * @iomux: array describing the 4 iomux sources of the bank |
b6c23275 | 137 | * @drv: array describing the 4 drive strength sources of the bank |
3ba6767a | 138 | * @pull_type: array describing the 4 pull type sources of the bank |
d3e51161 HS |
139 | * @valid: are all necessary informations present |
140 | * @of_node: dt node of this bank | |
141 | * @drvdata: common pinctrl basedata | |
142 | * @domain: irqdomain of the gpio bank | |
143 | * @gpio_chip: gpiolib chip | |
144 | * @grange: gpio range | |
145 | * @slock: spinlock for the gpio bank | |
bd35b9bf | 146 | * @route_mask: bits describing the routing pins of per bank |
d3e51161 HS |
147 | */ |
148 | struct rockchip_pin_bank { | |
149 | void __iomem *reg_base; | |
751a99ab | 150 | struct regmap *regmap_pull; |
d3e51161 HS |
151 | struct clk *clk; |
152 | int irq; | |
5ae0c7ad | 153 | u32 saved_masks; |
d3e51161 HS |
154 | u32 pin_base; |
155 | u8 nr_pins; | |
156 | char *name; | |
157 | u8 bank_num; | |
fc72c923 | 158 | struct rockchip_iomux iomux[4]; |
b6c23275 | 159 | struct rockchip_drv drv[4]; |
3ba6767a | 160 | enum rockchip_pin_pull_type pull_type[4]; |
d3e51161 HS |
161 | bool valid; |
162 | struct device_node *of_node; | |
163 | struct rockchip_pinctrl *drvdata; | |
164 | struct irq_domain *domain; | |
165 | struct gpio_chip gpio_chip; | |
166 | struct pinctrl_gpio_range grange; | |
70b7aa7a | 167 | raw_spinlock_t slock; |
5a927501 | 168 | u32 toggle_edge_mode; |
c04c3fa6 | 169 | u32 recalced_mask; |
bd35b9bf | 170 | u32 route_mask; |
d3e51161 HS |
171 | }; |
172 | ||
173 | #define PIN_BANK(id, pins, label) \ | |
174 | { \ | |
175 | .bank_num = id, \ | |
176 | .nr_pins = pins, \ | |
177 | .name = label, \ | |
6bc0d121 HS |
178 | .iomux = { \ |
179 | { .offset = -1 }, \ | |
180 | { .offset = -1 }, \ | |
181 | { .offset = -1 }, \ | |
182 | { .offset = -1 }, \ | |
183 | }, \ | |
d3e51161 HS |
184 | } |
185 | ||
fc72c923 HS |
186 | #define PIN_BANK_IOMUX_FLAGS(id, pins, label, iom0, iom1, iom2, iom3) \ |
187 | { \ | |
188 | .bank_num = id, \ | |
189 | .nr_pins = pins, \ | |
190 | .name = label, \ | |
191 | .iomux = { \ | |
6bc0d121 HS |
192 | { .type = iom0, .offset = -1 }, \ |
193 | { .type = iom1, .offset = -1 }, \ | |
194 | { .type = iom2, .offset = -1 }, \ | |
195 | { .type = iom3, .offset = -1 }, \ | |
fc72c923 HS |
196 | }, \ |
197 | } | |
198 | ||
b6c23275 DW |
199 | #define PIN_BANK_DRV_FLAGS(id, pins, label, type0, type1, type2, type3) \ |
200 | { \ | |
201 | .bank_num = id, \ | |
202 | .nr_pins = pins, \ | |
203 | .name = label, \ | |
204 | .iomux = { \ | |
205 | { .offset = -1 }, \ | |
206 | { .offset = -1 }, \ | |
207 | { .offset = -1 }, \ | |
208 | { .offset = -1 }, \ | |
209 | }, \ | |
210 | .drv = { \ | |
211 | { .drv_type = type0, .offset = -1 }, \ | |
212 | { .drv_type = type1, .offset = -1 }, \ | |
213 | { .drv_type = type2, .offset = -1 }, \ | |
214 | { .drv_type = type3, .offset = -1 }, \ | |
215 | }, \ | |
216 | } | |
217 | ||
3ba6767a DW |
218 | #define PIN_BANK_DRV_FLAGS_PULL_FLAGS(id, pins, label, drv0, drv1, \ |
219 | drv2, drv3, pull0, pull1, \ | |
220 | pull2, pull3) \ | |
221 | { \ | |
222 | .bank_num = id, \ | |
223 | .nr_pins = pins, \ | |
224 | .name = label, \ | |
225 | .iomux = { \ | |
226 | { .offset = -1 }, \ | |
227 | { .offset = -1 }, \ | |
228 | { .offset = -1 }, \ | |
229 | { .offset = -1 }, \ | |
230 | }, \ | |
231 | .drv = { \ | |
232 | { .drv_type = drv0, .offset = -1 }, \ | |
233 | { .drv_type = drv1, .offset = -1 }, \ | |
234 | { .drv_type = drv2, .offset = -1 }, \ | |
235 | { .drv_type = drv3, .offset = -1 }, \ | |
236 | }, \ | |
237 | .pull_type[0] = pull0, \ | |
238 | .pull_type[1] = pull1, \ | |
239 | .pull_type[2] = pull2, \ | |
240 | .pull_type[3] = pull3, \ | |
241 | } | |
242 | ||
b6c23275 DW |
243 | #define PIN_BANK_IOMUX_DRV_FLAGS_OFFSET(id, pins, label, iom0, iom1, \ |
244 | iom2, iom3, drv0, drv1, drv2, \ | |
245 | drv3, offset0, offset1, \ | |
246 | offset2, offset3) \ | |
247 | { \ | |
248 | .bank_num = id, \ | |
249 | .nr_pins = pins, \ | |
250 | .name = label, \ | |
251 | .iomux = { \ | |
252 | { .type = iom0, .offset = -1 }, \ | |
253 | { .type = iom1, .offset = -1 }, \ | |
254 | { .type = iom2, .offset = -1 }, \ | |
255 | { .type = iom3, .offset = -1 }, \ | |
256 | }, \ | |
257 | .drv = { \ | |
258 | { .drv_type = drv0, .offset = offset0 }, \ | |
259 | { .drv_type = drv1, .offset = offset1 }, \ | |
260 | { .drv_type = drv2, .offset = offset2 }, \ | |
261 | { .drv_type = drv3, .offset = offset3 }, \ | |
262 | }, \ | |
263 | } | |
264 | ||
3ba6767a DW |
265 | #define PIN_BANK_IOMUX_FLAGS_DRV_FLAGS_OFFSET_PULL_FLAGS(id, pins, \ |
266 | label, iom0, iom1, iom2, \ | |
267 | iom3, drv0, drv1, drv2, \ | |
268 | drv3, offset0, offset1, \ | |
269 | offset2, offset3, pull0, \ | |
270 | pull1, pull2, pull3) \ | |
271 | { \ | |
272 | .bank_num = id, \ | |
273 | .nr_pins = pins, \ | |
274 | .name = label, \ | |
275 | .iomux = { \ | |
276 | { .type = iom0, .offset = -1 }, \ | |
277 | { .type = iom1, .offset = -1 }, \ | |
278 | { .type = iom2, .offset = -1 }, \ | |
279 | { .type = iom3, .offset = -1 }, \ | |
280 | }, \ | |
281 | .drv = { \ | |
282 | { .drv_type = drv0, .offset = offset0 }, \ | |
283 | { .drv_type = drv1, .offset = offset1 }, \ | |
284 | { .drv_type = drv2, .offset = offset2 }, \ | |
285 | { .drv_type = drv3, .offset = offset3 }, \ | |
286 | }, \ | |
287 | .pull_type[0] = pull0, \ | |
288 | .pull_type[1] = pull1, \ | |
289 | .pull_type[2] = pull2, \ | |
290 | .pull_type[3] = pull3, \ | |
291 | } | |
292 | ||
c04c3fa6 DW |
293 | /** |
294 | * struct rockchip_mux_recalced_data: represent a pin iomux data. | |
295 | * @num: bank number. | |
296 | * @pin: pin number. | |
297 | * @bit: index at register. | |
298 | * @reg: register offset. | |
299 | * @mask: mask bit | |
300 | */ | |
301 | struct rockchip_mux_recalced_data { | |
302 | u8 num; | |
303 | u8 pin; | |
12b8f018 | 304 | u32 reg; |
c04c3fa6 DW |
305 | u8 bit; |
306 | u8 mask; | |
307 | }; | |
308 | ||
bd35b9bf DW |
309 | /** |
310 | * struct rockchip_mux_recalced_data: represent a pin iomux data. | |
311 | * @bank_num: bank number. | |
312 | * @pin: index at register or used to calc index. | |
313 | * @func: the min pin. | |
314 | * @route_offset: the max pin. | |
315 | * @route_val: the register offset. | |
316 | */ | |
317 | struct rockchip_mux_route_data { | |
318 | u8 bank_num; | |
319 | u8 pin; | |
320 | u8 func; | |
321 | u32 route_offset; | |
322 | u32 route_val; | |
323 | }; | |
324 | ||
d3e51161 | 325 | /** |
d3e51161 HS |
326 | */ |
327 | struct rockchip_pin_ctrl { | |
328 | struct rockchip_pin_bank *pin_banks; | |
329 | u32 nr_banks; | |
330 | u32 nr_pins; | |
331 | char *label; | |
a282926d | 332 | enum rockchip_pinctrl_type type; |
95ec8ae4 HS |
333 | int grf_mux_offset; |
334 | int pmu_mux_offset; | |
b6c23275 DW |
335 | int grf_drv_offset; |
336 | int pmu_drv_offset; | |
c04c3fa6 DW |
337 | struct rockchip_mux_recalced_data *iomux_recalced; |
338 | u32 niomux_recalced; | |
bd35b9bf DW |
339 | struct rockchip_mux_route_data *iomux_routes; |
340 | u32 niomux_routes; | |
b6c23275 | 341 | |
751a99ab HS |
342 | void (*pull_calc_reg)(struct rockchip_pin_bank *bank, |
343 | int pin_num, struct regmap **regmap, | |
344 | int *reg, u8 *bit); | |
ef17f69f HS |
345 | void (*drv_calc_reg)(struct rockchip_pin_bank *bank, |
346 | int pin_num, struct regmap **regmap, | |
347 | int *reg, u8 *bit); | |
e3b357d7 | 348 | int (*schmitt_calc_reg)(struct rockchip_pin_bank *bank, |
349 | int pin_num, struct regmap **regmap, | |
350 | int *reg, u8 *bit); | |
d3e51161 HS |
351 | }; |
352 | ||
353 | struct rockchip_pin_config { | |
354 | unsigned int func; | |
355 | unsigned long *configs; | |
356 | unsigned int nconfigs; | |
357 | }; | |
358 | ||
359 | /** | |
360 | * struct rockchip_pin_group: represent group of pins of a pinmux function. | |
361 | * @name: name of the pin group, used to lookup the group. | |
362 | * @pins: the pins included in this group. | |
363 | * @npins: number of pins included in this group. | |
364 | * @func: the mux function number to be programmed when selected. | |
365 | * @configs: the config values to be set for each pin | |
366 | * @nconfigs: number of configs for each pin | |
367 | */ | |
368 | struct rockchip_pin_group { | |
369 | const char *name; | |
370 | unsigned int npins; | |
371 | unsigned int *pins; | |
372 | struct rockchip_pin_config *data; | |
373 | }; | |
374 | ||
375 | /** | |
376 | * struct rockchip_pmx_func: represent a pin function. | |
377 | * @name: name of the pin function, used to lookup the function. | |
378 | * @groups: one or more names of pin groups that provide this function. | |
379 | * @num_groups: number of groups included in @groups. | |
380 | */ | |
381 | struct rockchip_pmx_func { | |
382 | const char *name; | |
383 | const char **groups; | |
384 | u8 ngroups; | |
385 | }; | |
386 | ||
387 | struct rockchip_pinctrl { | |
751a99ab | 388 | struct regmap *regmap_base; |
bfc7a42a | 389 | int reg_size; |
751a99ab | 390 | struct regmap *regmap_pull; |
14dee867 | 391 | struct regmap *regmap_pmu; |
d3e51161 HS |
392 | struct device *dev; |
393 | struct rockchip_pin_ctrl *ctrl; | |
394 | struct pinctrl_desc pctl; | |
395 | struct pinctrl_dev *pctl_dev; | |
396 | struct rockchip_pin_group *groups; | |
397 | unsigned int ngroups; | |
398 | struct rockchip_pmx_func *functions; | |
399 | unsigned int nfunctions; | |
400 | }; | |
401 | ||
751a99ab HS |
402 | static struct regmap_config rockchip_regmap_config = { |
403 | .reg_bits = 32, | |
404 | .val_bits = 32, | |
405 | .reg_stride = 4, | |
406 | }; | |
407 | ||
56411f3c | 408 | static inline const struct rockchip_pin_group *pinctrl_name_to_group( |
d3e51161 HS |
409 | const struct rockchip_pinctrl *info, |
410 | const char *name) | |
411 | { | |
d3e51161 HS |
412 | int i; |
413 | ||
414 | for (i = 0; i < info->ngroups; i++) { | |
1cb95395 AL |
415 | if (!strcmp(info->groups[i].name, name)) |
416 | return &info->groups[i]; | |
d3e51161 HS |
417 | } |
418 | ||
1cb95395 | 419 | return NULL; |
d3e51161 HS |
420 | } |
421 | ||
422 | /* | |
423 | * given a pin number that is local to a pin controller, find out the pin bank | |
424 | * and the register base of the pin bank. | |
425 | */ | |
426 | static struct rockchip_pin_bank *pin_to_bank(struct rockchip_pinctrl *info, | |
427 | unsigned pin) | |
428 | { | |
429 | struct rockchip_pin_bank *b = info->ctrl->pin_banks; | |
430 | ||
51578b9b | 431 | while (pin >= (b->pin_base + b->nr_pins)) |
d3e51161 HS |
432 | b++; |
433 | ||
434 | return b; | |
435 | } | |
436 | ||
437 | static struct rockchip_pin_bank *bank_num_to_bank( | |
438 | struct rockchip_pinctrl *info, | |
439 | unsigned num) | |
440 | { | |
441 | struct rockchip_pin_bank *b = info->ctrl->pin_banks; | |
442 | int i; | |
443 | ||
1cb95395 | 444 | for (i = 0; i < info->ctrl->nr_banks; i++, b++) { |
d3e51161 | 445 | if (b->bank_num == num) |
1cb95395 | 446 | return b; |
d3e51161 HS |
447 | } |
448 | ||
1cb95395 | 449 | return ERR_PTR(-EINVAL); |
d3e51161 HS |
450 | } |
451 | ||
452 | /* | |
453 | * Pinctrl_ops handling | |
454 | */ | |
455 | ||
456 | static int rockchip_get_groups_count(struct pinctrl_dev *pctldev) | |
457 | { | |
458 | struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev); | |
459 | ||
460 | return info->ngroups; | |
461 | } | |
462 | ||
463 | static const char *rockchip_get_group_name(struct pinctrl_dev *pctldev, | |
464 | unsigned selector) | |
465 | { | |
466 | struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev); | |
467 | ||
468 | return info->groups[selector].name; | |
469 | } | |
470 | ||
471 | static int rockchip_get_group_pins(struct pinctrl_dev *pctldev, | |
472 | unsigned selector, const unsigned **pins, | |
473 | unsigned *npins) | |
474 | { | |
475 | struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev); | |
476 | ||
477 | if (selector >= info->ngroups) | |
478 | return -EINVAL; | |
479 | ||
480 | *pins = info->groups[selector].pins; | |
481 | *npins = info->groups[selector].npins; | |
482 | ||
483 | return 0; | |
484 | } | |
485 | ||
486 | static int rockchip_dt_node_to_map(struct pinctrl_dev *pctldev, | |
487 | struct device_node *np, | |
488 | struct pinctrl_map **map, unsigned *num_maps) | |
489 | { | |
490 | struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev); | |
491 | const struct rockchip_pin_group *grp; | |
492 | struct pinctrl_map *new_map; | |
493 | struct device_node *parent; | |
494 | int map_num = 1; | |
495 | int i; | |
496 | ||
497 | /* | |
498 | * first find the group of this node and check if we need to create | |
499 | * config maps for pins | |
500 | */ | |
501 | grp = pinctrl_name_to_group(info, np->name); | |
502 | if (!grp) { | |
503 | dev_err(info->dev, "unable to find group for node %s\n", | |
504 | np->name); | |
505 | return -EINVAL; | |
506 | } | |
507 | ||
508 | map_num += grp->npins; | |
509 | new_map = devm_kzalloc(pctldev->dev, sizeof(*new_map) * map_num, | |
510 | GFP_KERNEL); | |
511 | if (!new_map) | |
512 | return -ENOMEM; | |
513 | ||
514 | *map = new_map; | |
515 | *num_maps = map_num; | |
516 | ||
517 | /* create mux map */ | |
518 | parent = of_get_parent(np); | |
519 | if (!parent) { | |
520 | devm_kfree(pctldev->dev, new_map); | |
521 | return -EINVAL; | |
522 | } | |
523 | new_map[0].type = PIN_MAP_TYPE_MUX_GROUP; | |
524 | new_map[0].data.mux.function = parent->name; | |
525 | new_map[0].data.mux.group = np->name; | |
526 | of_node_put(parent); | |
527 | ||
528 | /* create config map */ | |
529 | new_map++; | |
530 | for (i = 0; i < grp->npins; i++) { | |
531 | new_map[i].type = PIN_MAP_TYPE_CONFIGS_PIN; | |
532 | new_map[i].data.configs.group_or_pin = | |
533 | pin_get_name(pctldev, grp->pins[i]); | |
534 | new_map[i].data.configs.configs = grp->data[i].configs; | |
535 | new_map[i].data.configs.num_configs = grp->data[i].nconfigs; | |
536 | } | |
537 | ||
538 | dev_dbg(pctldev->dev, "maps: function %s group %s num %d\n", | |
539 | (*map)->data.mux.function, (*map)->data.mux.group, map_num); | |
540 | ||
541 | return 0; | |
542 | } | |
543 | ||
544 | static void rockchip_dt_free_map(struct pinctrl_dev *pctldev, | |
545 | struct pinctrl_map *map, unsigned num_maps) | |
546 | { | |
547 | } | |
548 | ||
549 | static const struct pinctrl_ops rockchip_pctrl_ops = { | |
550 | .get_groups_count = rockchip_get_groups_count, | |
551 | .get_group_name = rockchip_get_group_name, | |
552 | .get_group_pins = rockchip_get_group_pins, | |
553 | .dt_node_to_map = rockchip_dt_node_to_map, | |
554 | .dt_free_map = rockchip_dt_free_map, | |
555 | }; | |
556 | ||
557 | /* | |
558 | * Hardware access | |
559 | */ | |
560 | ||
12b8f018 DW |
561 | static struct rockchip_mux_recalced_data rv1108_mux_recalced_data[] = { |
562 | { | |
563 | .num = 1, | |
564 | .pin = 0, | |
565 | .reg = 0x418, | |
566 | .bit = 0, | |
567 | .mask = 0x3 | |
568 | }, { | |
569 | .num = 1, | |
570 | .pin = 1, | |
571 | .reg = 0x418, | |
572 | .bit = 2, | |
573 | .mask = 0x3 | |
574 | }, { | |
575 | .num = 1, | |
576 | .pin = 2, | |
577 | .reg = 0x418, | |
578 | .bit = 4, | |
579 | .mask = 0x3 | |
580 | }, { | |
581 | .num = 1, | |
582 | .pin = 3, | |
583 | .reg = 0x418, | |
584 | .bit = 6, | |
585 | .mask = 0x3 | |
586 | }, { | |
587 | .num = 1, | |
588 | .pin = 4, | |
589 | .reg = 0x418, | |
590 | .bit = 8, | |
591 | .mask = 0x3 | |
592 | }, { | |
593 | .num = 1, | |
594 | .pin = 5, | |
595 | .reg = 0x418, | |
596 | .bit = 10, | |
597 | .mask = 0x3 | |
598 | }, { | |
599 | .num = 1, | |
600 | .pin = 6, | |
601 | .reg = 0x418, | |
602 | .bit = 12, | |
603 | .mask = 0x3 | |
604 | }, { | |
605 | .num = 1, | |
606 | .pin = 7, | |
607 | .reg = 0x418, | |
608 | .bit = 14, | |
609 | .mask = 0x3 | |
610 | }, { | |
611 | .num = 1, | |
612 | .pin = 8, | |
613 | .reg = 0x41c, | |
614 | .bit = 0, | |
615 | .mask = 0x3 | |
616 | }, { | |
617 | .num = 1, | |
618 | .pin = 9, | |
619 | .reg = 0x41c, | |
620 | .bit = 2, | |
621 | .mask = 0x3 | |
622 | }, | |
623 | }; | |
624 | ||
d23c66df DW |
625 | static struct rockchip_mux_recalced_data rk3128_mux_recalced_data[] = { |
626 | { | |
627 | .num = 2, | |
628 | .pin = 20, | |
629 | .reg = 0xe8, | |
630 | .bit = 0, | |
631 | .mask = 0x7 | |
632 | }, { | |
633 | .num = 2, | |
634 | .pin = 21, | |
635 | .reg = 0xe8, | |
636 | .bit = 4, | |
637 | .mask = 0x7 | |
638 | }, { | |
639 | .num = 2, | |
640 | .pin = 22, | |
641 | .reg = 0xe8, | |
642 | .bit = 8, | |
643 | .mask = 0x7 | |
644 | }, { | |
645 | .num = 2, | |
646 | .pin = 23, | |
647 | .reg = 0xe8, | |
648 | .bit = 12, | |
649 | .mask = 0x7 | |
650 | }, { | |
651 | .num = 2, | |
652 | .pin = 24, | |
653 | .reg = 0xd4, | |
654 | .bit = 12, | |
655 | .mask = 0x7 | |
656 | }, | |
657 | }; | |
658 | ||
c04c3fa6 | 659 | static struct rockchip_mux_recalced_data rk3328_mux_recalced_data[] = { |
3818e4a7 | 660 | { |
661 | .num = 2, | |
662 | .pin = 12, | |
663 | .reg = 0x24, | |
664 | .bit = 8, | |
665 | .mask = 0x3 | |
666 | }, { | |
667 | .num = 2, | |
668 | .pin = 15, | |
669 | .reg = 0x28, | |
670 | .bit = 0, | |
671 | .mask = 0x7 | |
672 | }, { | |
673 | .num = 2, | |
674 | .pin = 23, | |
675 | .reg = 0x30, | |
676 | .bit = 14, | |
677 | .mask = 0x3 | |
678 | }, | |
679 | }; | |
680 | ||
c04c3fa6 DW |
681 | static void rockchip_get_recalced_mux(struct rockchip_pin_bank *bank, int pin, |
682 | int *reg, u8 *bit, int *mask) | |
3818e4a7 | 683 | { |
c04c3fa6 DW |
684 | struct rockchip_pinctrl *info = bank->drvdata; |
685 | struct rockchip_pin_ctrl *ctrl = info->ctrl; | |
686 | struct rockchip_mux_recalced_data *data; | |
3818e4a7 | 687 | int i; |
688 | ||
c04c3fa6 DW |
689 | for (i = 0; i < ctrl->niomux_recalced; i++) { |
690 | data = &ctrl->iomux_recalced[i]; | |
691 | if (data->num == bank->bank_num && | |
692 | data->pin == pin) | |
3818e4a7 | 693 | break; |
c04c3fa6 | 694 | } |
3818e4a7 | 695 | |
c04c3fa6 | 696 | if (i >= ctrl->niomux_recalced) |
3818e4a7 | 697 | return; |
698 | ||
699 | *reg = data->reg; | |
700 | *mask = data->mask; | |
701 | *bit = data->bit; | |
702 | } | |
703 | ||
d23c66df DW |
704 | static struct rockchip_mux_route_data rk3128_mux_route_data[] = { |
705 | { | |
706 | /* spi-0 */ | |
707 | .bank_num = 1, | |
708 | .pin = 10, | |
709 | .func = 1, | |
710 | .route_offset = 0x144, | |
711 | .route_val = BIT(16 + 3) | BIT(16 + 4), | |
712 | }, { | |
713 | /* spi-1 */ | |
714 | .bank_num = 1, | |
715 | .pin = 27, | |
716 | .func = 3, | |
717 | .route_offset = 0x144, | |
718 | .route_val = BIT(16 + 3) | BIT(16 + 4) | BIT(3), | |
719 | }, { | |
720 | /* spi-2 */ | |
721 | .bank_num = 0, | |
722 | .pin = 13, | |
723 | .func = 2, | |
724 | .route_offset = 0x144, | |
725 | .route_val = BIT(16 + 3) | BIT(16 + 4) | BIT(4), | |
726 | }, { | |
727 | /* i2s-0 */ | |
728 | .bank_num = 1, | |
729 | .pin = 5, | |
730 | .func = 1, | |
731 | .route_offset = 0x144, | |
732 | .route_val = BIT(16 + 5), | |
733 | }, { | |
734 | /* i2s-1 */ | |
735 | .bank_num = 0, | |
736 | .pin = 14, | |
737 | .func = 1, | |
738 | .route_offset = 0x144, | |
739 | .route_val = BIT(16 + 5) | BIT(5), | |
740 | }, { | |
741 | /* emmc-0 */ | |
742 | .bank_num = 1, | |
743 | .pin = 22, | |
744 | .func = 2, | |
745 | .route_offset = 0x144, | |
746 | .route_val = BIT(16 + 6), | |
747 | }, { | |
748 | /* emmc-1 */ | |
749 | .bank_num = 2, | |
750 | .pin = 4, | |
751 | .func = 2, | |
752 | .route_offset = 0x144, | |
753 | .route_val = BIT(16 + 6) | BIT(6), | |
754 | }, | |
755 | }; | |
756 | ||
d4970ee0 DW |
757 | static struct rockchip_mux_route_data rk3228_mux_route_data[] = { |
758 | { | |
759 | /* pwm0-0 */ | |
760 | .bank_num = 0, | |
761 | .pin = 26, | |
762 | .func = 1, | |
763 | .route_offset = 0x50, | |
764 | .route_val = BIT(16), | |
765 | }, { | |
766 | /* pwm0-1 */ | |
767 | .bank_num = 3, | |
768 | .pin = 21, | |
769 | .func = 1, | |
770 | .route_offset = 0x50, | |
771 | .route_val = BIT(16) | BIT(0), | |
772 | }, { | |
773 | /* pwm1-0 */ | |
774 | .bank_num = 0, | |
775 | .pin = 27, | |
776 | .func = 1, | |
777 | .route_offset = 0x50, | |
778 | .route_val = BIT(16 + 1), | |
779 | }, { | |
780 | /* pwm1-1 */ | |
781 | .bank_num = 0, | |
782 | .pin = 30, | |
783 | .func = 2, | |
784 | .route_offset = 0x50, | |
785 | .route_val = BIT(16 + 1) | BIT(1), | |
786 | }, { | |
787 | /* pwm2-0 */ | |
788 | .bank_num = 0, | |
789 | .pin = 28, | |
790 | .func = 1, | |
791 | .route_offset = 0x50, | |
792 | .route_val = BIT(16 + 2), | |
793 | }, { | |
794 | /* pwm2-1 */ | |
795 | .bank_num = 1, | |
796 | .pin = 12, | |
797 | .func = 2, | |
798 | .route_offset = 0x50, | |
799 | .route_val = BIT(16 + 2) | BIT(2), | |
800 | }, { | |
801 | /* pwm3-0 */ | |
802 | .bank_num = 3, | |
803 | .pin = 26, | |
804 | .func = 1, | |
805 | .route_offset = 0x50, | |
806 | .route_val = BIT(16 + 3), | |
807 | }, { | |
808 | /* pwm3-1 */ | |
809 | .bank_num = 1, | |
810 | .pin = 11, | |
811 | .func = 2, | |
812 | .route_offset = 0x50, | |
813 | .route_val = BIT(16 + 3) | BIT(3), | |
814 | }, { | |
815 | /* sdio-0_d0 */ | |
816 | .bank_num = 1, | |
817 | .pin = 1, | |
818 | .func = 1, | |
819 | .route_offset = 0x50, | |
820 | .route_val = BIT(16 + 4), | |
821 | }, { | |
822 | /* sdio-1_d0 */ | |
823 | .bank_num = 3, | |
824 | .pin = 2, | |
825 | .func = 1, | |
826 | .route_offset = 0x50, | |
827 | .route_val = BIT(16 + 4) | BIT(4), | |
828 | }, { | |
829 | /* spi-0_rx */ | |
830 | .bank_num = 0, | |
831 | .pin = 13, | |
832 | .func = 2, | |
833 | .route_offset = 0x50, | |
834 | .route_val = BIT(16 + 5), | |
835 | }, { | |
836 | /* spi-1_rx */ | |
837 | .bank_num = 2, | |
838 | .pin = 0, | |
839 | .func = 2, | |
840 | .route_offset = 0x50, | |
841 | .route_val = BIT(16 + 5) | BIT(5), | |
842 | }, { | |
843 | /* emmc-0_cmd */ | |
844 | .bank_num = 1, | |
845 | .pin = 22, | |
846 | .func = 2, | |
847 | .route_offset = 0x50, | |
848 | .route_val = BIT(16 + 7), | |
849 | }, { | |
850 | /* emmc-1_cmd */ | |
851 | .bank_num = 2, | |
852 | .pin = 4, | |
853 | .func = 2, | |
854 | .route_offset = 0x50, | |
855 | .route_val = BIT(16 + 7) | BIT(7), | |
856 | }, { | |
857 | /* uart2-0_rx */ | |
858 | .bank_num = 1, | |
859 | .pin = 19, | |
860 | .func = 2, | |
861 | .route_offset = 0x50, | |
862 | .route_val = BIT(16 + 8), | |
863 | }, { | |
864 | /* uart2-1_rx */ | |
865 | .bank_num = 1, | |
866 | .pin = 10, | |
867 | .func = 2, | |
868 | .route_offset = 0x50, | |
869 | .route_val = BIT(16 + 8) | BIT(8), | |
870 | }, { | |
871 | /* uart1-0_rx */ | |
872 | .bank_num = 1, | |
873 | .pin = 10, | |
874 | .func = 1, | |
875 | .route_offset = 0x50, | |
876 | .route_val = BIT(16 + 11), | |
877 | }, { | |
878 | /* uart1-1_rx */ | |
879 | .bank_num = 3, | |
880 | .pin = 13, | |
881 | .func = 1, | |
882 | .route_offset = 0x50, | |
883 | .route_val = BIT(16 + 11) | BIT(11), | |
884 | }, | |
885 | }; | |
886 | ||
4e96fd30 HS |
887 | static struct rockchip_mux_route_data rk3288_mux_route_data[] = { |
888 | { | |
889 | /* edphdmi_cecinoutt1 */ | |
890 | .bank_num = 7, | |
891 | .pin = 16, | |
892 | .func = 2, | |
893 | .route_offset = 0x264, | |
894 | .route_val = BIT(16 + 12) | BIT(12), | |
895 | }, { | |
896 | /* edphdmi_cecinout */ | |
897 | .bank_num = 7, | |
898 | .pin = 23, | |
899 | .func = 4, | |
900 | .route_offset = 0x264, | |
901 | .route_val = BIT(16 + 12), | |
902 | }, | |
903 | }; | |
904 | ||
cedc964a DW |
905 | static struct rockchip_mux_route_data rk3328_mux_route_data[] = { |
906 | { | |
907 | /* uart2dbg_rxm0 */ | |
908 | .bank_num = 1, | |
909 | .pin = 1, | |
910 | .func = 2, | |
911 | .route_offset = 0x50, | |
912 | .route_val = BIT(16) | BIT(16 + 1), | |
913 | }, { | |
914 | /* uart2dbg_rxm1 */ | |
915 | .bank_num = 2, | |
916 | .pin = 1, | |
917 | .func = 1, | |
918 | .route_offset = 0x50, | |
919 | .route_val = BIT(16) | BIT(16 + 1) | BIT(0), | |
920 | }, { | |
a976d7b1 | 921 | /* gmac-m1_rxd0 */ |
cedc964a DW |
922 | .bank_num = 1, |
923 | .pin = 11, | |
924 | .func = 2, | |
925 | .route_offset = 0x50, | |
a976d7b1 DW |
926 | .route_val = BIT(16 + 2) | BIT(2), |
927 | }, { | |
928 | /* gmac-m1-optimized_rxd3 */ | |
929 | .bank_num = 1, | |
930 | .pin = 14, | |
931 | .func = 2, | |
932 | .route_offset = 0x50, | |
933 | .route_val = BIT(16 + 10) | BIT(10), | |
cedc964a DW |
934 | }, { |
935 | /* pdm_sdi0m0 */ | |
936 | .bank_num = 2, | |
937 | .pin = 19, | |
938 | .func = 2, | |
939 | .route_offset = 0x50, | |
940 | .route_val = BIT(16 + 3), | |
941 | }, { | |
942 | /* pdm_sdi0m1 */ | |
943 | .bank_num = 1, | |
944 | .pin = 23, | |
945 | .func = 3, | |
946 | .route_offset = 0x50, | |
947 | .route_val = BIT(16 + 3) | BIT(3), | |
948 | }, { | |
949 | /* spi_rxdm2 */ | |
950 | .bank_num = 3, | |
951 | .pin = 2, | |
952 | .func = 4, | |
953 | .route_offset = 0x50, | |
954 | .route_val = BIT(16 + 4) | BIT(16 + 5) | BIT(5), | |
955 | }, { | |
956 | /* i2s2_sdim0 */ | |
957 | .bank_num = 1, | |
958 | .pin = 24, | |
959 | .func = 1, | |
960 | .route_offset = 0x50, | |
961 | .route_val = BIT(16 + 6), | |
962 | }, { | |
963 | /* i2s2_sdim1 */ | |
964 | .bank_num = 3, | |
965 | .pin = 2, | |
966 | .func = 6, | |
967 | .route_offset = 0x50, | |
968 | .route_val = BIT(16 + 6) | BIT(6), | |
969 | }, { | |
970 | /* card_iom1 */ | |
971 | .bank_num = 2, | |
972 | .pin = 22, | |
973 | .func = 3, | |
974 | .route_offset = 0x50, | |
975 | .route_val = BIT(16 + 7) | BIT(7), | |
976 | }, { | |
977 | /* tsp_d5m1 */ | |
978 | .bank_num = 2, | |
979 | .pin = 16, | |
980 | .func = 3, | |
981 | .route_offset = 0x50, | |
982 | .route_val = BIT(16 + 8) | BIT(8), | |
983 | }, { | |
984 | /* cif_data5m1 */ | |
985 | .bank_num = 2, | |
986 | .pin = 16, | |
987 | .func = 4, | |
988 | .route_offset = 0x50, | |
989 | .route_val = BIT(16 + 9) | BIT(9), | |
990 | }, | |
991 | }; | |
992 | ||
accc1ce7 DW |
993 | static struct rockchip_mux_route_data rk3399_mux_route_data[] = { |
994 | { | |
995 | /* uart2dbga_rx */ | |
996 | .bank_num = 4, | |
997 | .pin = 8, | |
998 | .func = 2, | |
999 | .route_offset = 0xe21c, | |
1000 | .route_val = BIT(16 + 10) | BIT(16 + 11), | |
1001 | }, { | |
1002 | /* uart2dbgb_rx */ | |
1003 | .bank_num = 4, | |
1004 | .pin = 16, | |
1005 | .func = 2, | |
1006 | .route_offset = 0xe21c, | |
1007 | .route_val = BIT(16 + 10) | BIT(16 + 11) | BIT(10), | |
1008 | }, { | |
1009 | /* uart2dbgc_rx */ | |
1010 | .bank_num = 4, | |
1011 | .pin = 19, | |
1012 | .func = 1, | |
1013 | .route_offset = 0xe21c, | |
1014 | .route_val = BIT(16 + 10) | BIT(16 + 11) | BIT(11), | |
1015 | }, { | |
1016 | /* pcie_clkreqn */ | |
1017 | .bank_num = 2, | |
1018 | .pin = 26, | |
1019 | .func = 2, | |
1020 | .route_offset = 0xe21c, | |
1021 | .route_val = BIT(16 + 14), | |
1022 | }, { | |
1023 | /* pcie_clkreqnb */ | |
1024 | .bank_num = 4, | |
1025 | .pin = 24, | |
1026 | .func = 1, | |
1027 | .route_offset = 0xe21c, | |
1028 | .route_val = BIT(16 + 14) | BIT(14), | |
1029 | }, | |
1030 | }; | |
1031 | ||
bd35b9bf DW |
1032 | static bool rockchip_get_mux_route(struct rockchip_pin_bank *bank, int pin, |
1033 | int mux, u32 *reg, u32 *value) | |
1034 | { | |
1035 | struct rockchip_pinctrl *info = bank->drvdata; | |
1036 | struct rockchip_pin_ctrl *ctrl = info->ctrl; | |
1037 | struct rockchip_mux_route_data *data; | |
1038 | int i; | |
1039 | ||
1040 | for (i = 0; i < ctrl->niomux_routes; i++) { | |
1041 | data = &ctrl->iomux_routes[i]; | |
1042 | if ((data->bank_num == bank->bank_num) && | |
1043 | (data->pin == pin) && (data->func == mux)) | |
1044 | break; | |
1045 | } | |
1046 | ||
1047 | if (i >= ctrl->niomux_routes) | |
1048 | return false; | |
1049 | ||
1050 | *reg = data->route_offset; | |
1051 | *value = data->route_val; | |
1052 | ||
1053 | return true; | |
1054 | } | |
1055 | ||
a076e2ed HS |
1056 | static int rockchip_get_mux(struct rockchip_pin_bank *bank, int pin) |
1057 | { | |
1058 | struct rockchip_pinctrl *info = bank->drvdata; | |
fc72c923 | 1059 | int iomux_num = (pin / 8); |
95ec8ae4 | 1060 | struct regmap *regmap; |
751a99ab | 1061 | unsigned int val; |
ea262ad6 | 1062 | int reg, ret, mask, mux_type; |
a076e2ed HS |
1063 | u8 bit; |
1064 | ||
fc72c923 HS |
1065 | if (iomux_num > 3) |
1066 | return -EINVAL; | |
1067 | ||
62f49226 HS |
1068 | if (bank->iomux[iomux_num].type & IOMUX_UNROUTED) { |
1069 | dev_err(info->dev, "pin %d is unrouted\n", pin); | |
1070 | return -EINVAL; | |
1071 | } | |
1072 | ||
fc72c923 | 1073 | if (bank->iomux[iomux_num].type & IOMUX_GPIO_ONLY) |
a076e2ed HS |
1074 | return RK_FUNC_GPIO; |
1075 | ||
95ec8ae4 HS |
1076 | regmap = (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU) |
1077 | ? info->regmap_pmu : info->regmap_base; | |
1078 | ||
a076e2ed | 1079 | /* get basic quadrupel of mux registers and the correct reg inside */ |
ea262ad6 | 1080 | mux_type = bank->iomux[iomux_num].type; |
6bc0d121 | 1081 | reg = bank->iomux[iomux_num].offset; |
ea262ad6 | 1082 | if (mux_type & IOMUX_WIDTH_4BIT) { |
03716e1d HS |
1083 | if ((pin % 8) >= 4) |
1084 | reg += 0x4; | |
1085 | bit = (pin % 4) * 4; | |
8b6c6f93 | 1086 | mask = 0xf; |
ea262ad6 | 1087 | } else if (mux_type & IOMUX_WIDTH_3BIT) { |
8b6c6f93 | 1088 | if ((pin % 8) >= 5) |
1089 | reg += 0x4; | |
1090 | bit = (pin % 8 % 5) * 3; | |
1091 | mask = 0x7; | |
03716e1d HS |
1092 | } else { |
1093 | bit = (pin % 8) * 2; | |
8b6c6f93 | 1094 | mask = 0x3; |
03716e1d | 1095 | } |
a076e2ed | 1096 | |
c04c3fa6 DW |
1097 | if (bank->recalced_mask & BIT(pin)) |
1098 | rockchip_get_recalced_mux(bank, pin, ®, &bit, &mask); | |
ea262ad6 | 1099 | |
95ec8ae4 | 1100 | ret = regmap_read(regmap, reg, &val); |
751a99ab HS |
1101 | if (ret) |
1102 | return ret; | |
1103 | ||
03716e1d | 1104 | return ((val >> bit) & mask); |
a076e2ed HS |
1105 | } |
1106 | ||
05709c3e JK |
1107 | static int rockchip_verify_mux(struct rockchip_pin_bank *bank, |
1108 | int pin, int mux) | |
1109 | { | |
1110 | struct rockchip_pinctrl *info = bank->drvdata; | |
1111 | int iomux_num = (pin / 8); | |
1112 | ||
1113 | if (iomux_num > 3) | |
1114 | return -EINVAL; | |
1115 | ||
1116 | if (bank->iomux[iomux_num].type & IOMUX_UNROUTED) { | |
1117 | dev_err(info->dev, "pin %d is unrouted\n", pin); | |
1118 | return -EINVAL; | |
1119 | } | |
1120 | ||
1121 | if (bank->iomux[iomux_num].type & IOMUX_GPIO_ONLY) { | |
1122 | if (mux != RK_FUNC_GPIO) { | |
1123 | dev_err(info->dev, | |
1124 | "pin %d only supports a gpio mux\n", pin); | |
1125 | return -ENOTSUPP; | |
1126 | } | |
1127 | } | |
1128 | ||
1129 | return 0; | |
1130 | } | |
1131 | ||
d3e51161 HS |
1132 | /* |
1133 | * Set a new mux function for a pin. | |
1134 | * | |
1135 | * The register is divided into the upper and lower 16 bit. When changing | |
1136 | * a value, the previous register value is not read and changed. Instead | |
1137 | * it seems the changed bits are marked in the upper 16 bit, while the | |
1138 | * changed value gets set in the same offset in the lower 16 bit. | |
1139 | * All pin settings seem to be 2 bit wide in both the upper and lower | |
1140 | * parts. | |
1141 | * @bank: pin bank to change | |
1142 | * @pin: pin to change | |
1143 | * @mux: new mux function to set | |
1144 | */ | |
14797189 | 1145 | static int rockchip_set_mux(struct rockchip_pin_bank *bank, int pin, int mux) |
d3e51161 HS |
1146 | { |
1147 | struct rockchip_pinctrl *info = bank->drvdata; | |
fc72c923 | 1148 | int iomux_num = (pin / 8); |
95ec8ae4 | 1149 | struct regmap *regmap; |
ea262ad6 | 1150 | int reg, ret, mask, mux_type; |
d3e51161 | 1151 | u8 bit; |
bd35b9bf | 1152 | u32 data, rmask, route_reg, route_val; |
d3e51161 | 1153 | |
05709c3e JK |
1154 | ret = rockchip_verify_mux(bank, pin, mux); |
1155 | if (ret < 0) | |
1156 | return ret; | |
62f49226 | 1157 | |
05709c3e JK |
1158 | if (bank->iomux[iomux_num].type & IOMUX_GPIO_ONLY) |
1159 | return 0; | |
c4a532de | 1160 | |
d3e51161 HS |
1161 | dev_dbg(info->dev, "setting mux of GPIO%d-%d to %d\n", |
1162 | bank->bank_num, pin, mux); | |
1163 | ||
95ec8ae4 HS |
1164 | regmap = (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU) |
1165 | ? info->regmap_pmu : info->regmap_base; | |
1166 | ||
d3e51161 | 1167 | /* get basic quadrupel of mux registers and the correct reg inside */ |
ea262ad6 | 1168 | mux_type = bank->iomux[iomux_num].type; |
6bc0d121 | 1169 | reg = bank->iomux[iomux_num].offset; |
ea262ad6 | 1170 | if (mux_type & IOMUX_WIDTH_4BIT) { |
03716e1d HS |
1171 | if ((pin % 8) >= 4) |
1172 | reg += 0x4; | |
1173 | bit = (pin % 4) * 4; | |
8b6c6f93 | 1174 | mask = 0xf; |
ea262ad6 | 1175 | } else if (mux_type & IOMUX_WIDTH_3BIT) { |
8b6c6f93 | 1176 | if ((pin % 8) >= 5) |
1177 | reg += 0x4; | |
1178 | bit = (pin % 8 % 5) * 3; | |
1179 | mask = 0x7; | |
03716e1d HS |
1180 | } else { |
1181 | bit = (pin % 8) * 2; | |
8b6c6f93 | 1182 | mask = 0x3; |
03716e1d | 1183 | } |
d3e51161 | 1184 | |
c04c3fa6 DW |
1185 | if (bank->recalced_mask & BIT(pin)) |
1186 | rockchip_get_recalced_mux(bank, pin, ®, &bit, &mask); | |
ea262ad6 | 1187 | |
bd35b9bf DW |
1188 | if (bank->route_mask & BIT(pin)) { |
1189 | if (rockchip_get_mux_route(bank, pin, mux, &route_reg, | |
1190 | &route_val)) { | |
1191 | ret = regmap_write(regmap, route_reg, route_val); | |
1192 | if (ret) | |
1193 | return ret; | |
1194 | } | |
1195 | } | |
1196 | ||
03716e1d | 1197 | data = (mask << (bit + 16)); |
99e872d9 | 1198 | rmask = data | (data >> 16); |
03716e1d | 1199 | data |= (mux & mask) << bit; |
99e872d9 | 1200 | ret = regmap_update_bits(regmap, reg, rmask, data); |
d3e51161 | 1201 | |
751a99ab | 1202 | return ret; |
d3e51161 HS |
1203 | } |
1204 | ||
b9c6dcab AY |
1205 | #define RV1108_PULL_PMU_OFFSET 0x10 |
1206 | #define RV1108_PULL_OFFSET 0x110 | |
1207 | #define RV1108_PULL_PINS_PER_REG 8 | |
1208 | #define RV1108_PULL_BITS_PER_PIN 2 | |
1209 | #define RV1108_PULL_BANK_STRIDE 16 | |
688daf23 | 1210 | |
b9c6dcab | 1211 | static void rv1108_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, |
688daf23 AY |
1212 | int pin_num, struct regmap **regmap, |
1213 | int *reg, u8 *bit) | |
1214 | { | |
1215 | struct rockchip_pinctrl *info = bank->drvdata; | |
1216 | ||
1217 | /* The first 24 pins of the first bank are located in PMU */ | |
1218 | if (bank->bank_num == 0) { | |
1219 | *regmap = info->regmap_pmu; | |
b9c6dcab | 1220 | *reg = RV1108_PULL_PMU_OFFSET; |
688daf23 | 1221 | } else { |
b9c6dcab | 1222 | *reg = RV1108_PULL_OFFSET; |
688daf23 AY |
1223 | *regmap = info->regmap_base; |
1224 | /* correct the offset, as we're starting with the 2nd bank */ | |
1225 | *reg -= 0x10; | |
b9c6dcab | 1226 | *reg += bank->bank_num * RV1108_PULL_BANK_STRIDE; |
688daf23 AY |
1227 | } |
1228 | ||
b9c6dcab AY |
1229 | *reg += ((pin_num / RV1108_PULL_PINS_PER_REG) * 4); |
1230 | *bit = (pin_num % RV1108_PULL_PINS_PER_REG); | |
1231 | *bit *= RV1108_PULL_BITS_PER_PIN; | |
688daf23 AY |
1232 | } |
1233 | ||
b9c6dcab AY |
1234 | #define RV1108_DRV_PMU_OFFSET 0x20 |
1235 | #define RV1108_DRV_GRF_OFFSET 0x210 | |
1236 | #define RV1108_DRV_BITS_PER_PIN 2 | |
1237 | #define RV1108_DRV_PINS_PER_REG 8 | |
1238 | #define RV1108_DRV_BANK_STRIDE 16 | |
688daf23 | 1239 | |
b9c6dcab | 1240 | static void rv1108_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank, |
688daf23 AY |
1241 | int pin_num, struct regmap **regmap, |
1242 | int *reg, u8 *bit) | |
1243 | { | |
1244 | struct rockchip_pinctrl *info = bank->drvdata; | |
1245 | ||
1246 | /* The first 24 pins of the first bank are located in PMU */ | |
1247 | if (bank->bank_num == 0) { | |
1248 | *regmap = info->regmap_pmu; | |
b9c6dcab | 1249 | *reg = RV1108_DRV_PMU_OFFSET; |
688daf23 AY |
1250 | } else { |
1251 | *regmap = info->regmap_base; | |
b9c6dcab | 1252 | *reg = RV1108_DRV_GRF_OFFSET; |
688daf23 AY |
1253 | |
1254 | /* correct the offset, as we're starting with the 2nd bank */ | |
1255 | *reg -= 0x10; | |
b9c6dcab | 1256 | *reg += bank->bank_num * RV1108_DRV_BANK_STRIDE; |
688daf23 AY |
1257 | } |
1258 | ||
b9c6dcab AY |
1259 | *reg += ((pin_num / RV1108_DRV_PINS_PER_REG) * 4); |
1260 | *bit = pin_num % RV1108_DRV_PINS_PER_REG; | |
1261 | *bit *= RV1108_DRV_BITS_PER_PIN; | |
688daf23 AY |
1262 | } |
1263 | ||
5caff7ea AY |
1264 | #define RV1108_SCHMITT_PMU_OFFSET 0x30 |
1265 | #define RV1108_SCHMITT_GRF_OFFSET 0x388 | |
1266 | #define RV1108_SCHMITT_BANK_STRIDE 8 | |
1267 | #define RV1108_SCHMITT_PINS_PER_GRF_REG 16 | |
1268 | #define RV1108_SCHMITT_PINS_PER_PMU_REG 8 | |
1269 | ||
1270 | static int rv1108_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank, | |
1271 | int pin_num, | |
1272 | struct regmap **regmap, | |
1273 | int *reg, u8 *bit) | |
1274 | { | |
1275 | struct rockchip_pinctrl *info = bank->drvdata; | |
1276 | int pins_per_reg; | |
1277 | ||
1278 | if (bank->bank_num == 0) { | |
1279 | *regmap = info->regmap_pmu; | |
1280 | *reg = RV1108_SCHMITT_PMU_OFFSET; | |
1281 | pins_per_reg = RV1108_SCHMITT_PINS_PER_PMU_REG; | |
1282 | } else { | |
1283 | *regmap = info->regmap_base; | |
1284 | *reg = RV1108_SCHMITT_GRF_OFFSET; | |
1285 | pins_per_reg = RV1108_SCHMITT_PINS_PER_GRF_REG; | |
1286 | *reg += (bank->bank_num - 1) * RV1108_SCHMITT_BANK_STRIDE; | |
1287 | } | |
1288 | *reg += ((pin_num / pins_per_reg) * 4); | |
1289 | *bit = pin_num % pins_per_reg; | |
1290 | ||
1291 | return 0; | |
1292 | } | |
1293 | ||
a282926d HS |
1294 | #define RK2928_PULL_OFFSET 0x118 |
1295 | #define RK2928_PULL_PINS_PER_REG 16 | |
1296 | #define RK2928_PULL_BANK_STRIDE 8 | |
1297 | ||
1298 | static void rk2928_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, | |
751a99ab HS |
1299 | int pin_num, struct regmap **regmap, |
1300 | int *reg, u8 *bit) | |
a282926d HS |
1301 | { |
1302 | struct rockchip_pinctrl *info = bank->drvdata; | |
1303 | ||
751a99ab HS |
1304 | *regmap = info->regmap_base; |
1305 | *reg = RK2928_PULL_OFFSET; | |
a282926d HS |
1306 | *reg += bank->bank_num * RK2928_PULL_BANK_STRIDE; |
1307 | *reg += (pin_num / RK2928_PULL_PINS_PER_REG) * 4; | |
1308 | ||
1309 | *bit = pin_num % RK2928_PULL_PINS_PER_REG; | |
1310 | }; | |
1311 | ||
d23c66df DW |
1312 | #define RK3128_PULL_OFFSET 0x118 |
1313 | ||
1314 | static void rk3128_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, | |
1315 | int pin_num, struct regmap **regmap, | |
1316 | int *reg, u8 *bit) | |
1317 | { | |
1318 | struct rockchip_pinctrl *info = bank->drvdata; | |
1319 | ||
1320 | *regmap = info->regmap_base; | |
1321 | *reg = RK3128_PULL_OFFSET; | |
1322 | *reg += bank->bank_num * RK2928_PULL_BANK_STRIDE; | |
1323 | *reg += ((pin_num / RK2928_PULL_PINS_PER_REG) * 4); | |
1324 | ||
1325 | *bit = pin_num % RK2928_PULL_PINS_PER_REG; | |
1326 | } | |
1327 | ||
bfc7a42a | 1328 | #define RK3188_PULL_OFFSET 0x164 |
6ca5274d HS |
1329 | #define RK3188_PULL_BITS_PER_PIN 2 |
1330 | #define RK3188_PULL_PINS_PER_REG 8 | |
1331 | #define RK3188_PULL_BANK_STRIDE 16 | |
14dee867 | 1332 | #define RK3188_PULL_PMU_OFFSET 0x64 |
6ca5274d HS |
1333 | |
1334 | static void rk3188_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, | |
751a99ab HS |
1335 | int pin_num, struct regmap **regmap, |
1336 | int *reg, u8 *bit) | |
6ca5274d HS |
1337 | { |
1338 | struct rockchip_pinctrl *info = bank->drvdata; | |
1339 | ||
1340 | /* The first 12 pins of the first bank are located elsewhere */ | |
fc72c923 | 1341 | if (bank->bank_num == 0 && pin_num < 12) { |
14dee867 HS |
1342 | *regmap = info->regmap_pmu ? info->regmap_pmu |
1343 | : bank->regmap_pull; | |
1344 | *reg = info->regmap_pmu ? RK3188_PULL_PMU_OFFSET : 0; | |
751a99ab | 1345 | *reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4); |
6ca5274d HS |
1346 | *bit = pin_num % RK3188_PULL_PINS_PER_REG; |
1347 | *bit *= RK3188_PULL_BITS_PER_PIN; | |
1348 | } else { | |
751a99ab HS |
1349 | *regmap = info->regmap_pull ? info->regmap_pull |
1350 | : info->regmap_base; | |
1351 | *reg = info->regmap_pull ? 0 : RK3188_PULL_OFFSET; | |
1352 | ||
bfc7a42a HS |
1353 | /* correct the offset, as it is the 2nd pull register */ |
1354 | *reg -= 4; | |
6ca5274d HS |
1355 | *reg += bank->bank_num * RK3188_PULL_BANK_STRIDE; |
1356 | *reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4); | |
1357 | ||
1358 | /* | |
1359 | * The bits in these registers have an inverse ordering | |
1360 | * with the lowest pin being in bits 15:14 and the highest | |
1361 | * pin in bits 1:0 | |
1362 | */ | |
1363 | *bit = 7 - (pin_num % RK3188_PULL_PINS_PER_REG); | |
1364 | *bit *= RK3188_PULL_BITS_PER_PIN; | |
1365 | } | |
1366 | } | |
1367 | ||
304f077d HS |
1368 | #define RK3288_PULL_OFFSET 0x140 |
1369 | static void rk3288_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, | |
1370 | int pin_num, struct regmap **regmap, | |
1371 | int *reg, u8 *bit) | |
1372 | { | |
1373 | struct rockchip_pinctrl *info = bank->drvdata; | |
1374 | ||
1375 | /* The first 24 pins of the first bank are located in PMU */ | |
1376 | if (bank->bank_num == 0) { | |
1377 | *regmap = info->regmap_pmu; | |
1378 | *reg = RK3188_PULL_PMU_OFFSET; | |
1379 | ||
1380 | *reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4); | |
1381 | *bit = pin_num % RK3188_PULL_PINS_PER_REG; | |
1382 | *bit *= RK3188_PULL_BITS_PER_PIN; | |
1383 | } else { | |
1384 | *regmap = info->regmap_base; | |
1385 | *reg = RK3288_PULL_OFFSET; | |
1386 | ||
1387 | /* correct the offset, as we're starting with the 2nd bank */ | |
1388 | *reg -= 0x10; | |
1389 | *reg += bank->bank_num * RK3188_PULL_BANK_STRIDE; | |
1390 | *reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4); | |
1391 | ||
1392 | *bit = (pin_num % RK3188_PULL_PINS_PER_REG); | |
1393 | *bit *= RK3188_PULL_BITS_PER_PIN; | |
1394 | } | |
1395 | } | |
1396 | ||
b547c800 HS |
1397 | #define RK3288_DRV_PMU_OFFSET 0x70 |
1398 | #define RK3288_DRV_GRF_OFFSET 0x1c0 | |
1399 | #define RK3288_DRV_BITS_PER_PIN 2 | |
1400 | #define RK3288_DRV_PINS_PER_REG 8 | |
1401 | #define RK3288_DRV_BANK_STRIDE 16 | |
b547c800 HS |
1402 | |
1403 | static void rk3288_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank, | |
1404 | int pin_num, struct regmap **regmap, | |
1405 | int *reg, u8 *bit) | |
1406 | { | |
1407 | struct rockchip_pinctrl *info = bank->drvdata; | |
1408 | ||
1409 | /* The first 24 pins of the first bank are located in PMU */ | |
1410 | if (bank->bank_num == 0) { | |
1411 | *regmap = info->regmap_pmu; | |
1412 | *reg = RK3288_DRV_PMU_OFFSET; | |
1413 | ||
1414 | *reg += ((pin_num / RK3288_DRV_PINS_PER_REG) * 4); | |
1415 | *bit = pin_num % RK3288_DRV_PINS_PER_REG; | |
1416 | *bit *= RK3288_DRV_BITS_PER_PIN; | |
1417 | } else { | |
1418 | *regmap = info->regmap_base; | |
1419 | *reg = RK3288_DRV_GRF_OFFSET; | |
1420 | ||
1421 | /* correct the offset, as we're starting with the 2nd bank */ | |
1422 | *reg -= 0x10; | |
1423 | *reg += bank->bank_num * RK3288_DRV_BANK_STRIDE; | |
1424 | *reg += ((pin_num / RK3288_DRV_PINS_PER_REG) * 4); | |
1425 | ||
1426 | *bit = (pin_num % RK3288_DRV_PINS_PER_REG); | |
1427 | *bit *= RK3288_DRV_BITS_PER_PIN; | |
1428 | } | |
1429 | } | |
1430 | ||
fea0fe60 JC |
1431 | #define RK3228_PULL_OFFSET 0x100 |
1432 | ||
1433 | static void rk3228_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, | |
1434 | int pin_num, struct regmap **regmap, | |
1435 | int *reg, u8 *bit) | |
1436 | { | |
1437 | struct rockchip_pinctrl *info = bank->drvdata; | |
1438 | ||
1439 | *regmap = info->regmap_base; | |
1440 | *reg = RK3228_PULL_OFFSET; | |
1441 | *reg += bank->bank_num * RK3188_PULL_BANK_STRIDE; | |
1442 | *reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4); | |
1443 | ||
1444 | *bit = (pin_num % RK3188_PULL_PINS_PER_REG); | |
1445 | *bit *= RK3188_PULL_BITS_PER_PIN; | |
1446 | } | |
1447 | ||
1448 | #define RK3228_DRV_GRF_OFFSET 0x200 | |
1449 | ||
1450 | static void rk3228_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank, | |
1451 | int pin_num, struct regmap **regmap, | |
1452 | int *reg, u8 *bit) | |
1453 | { | |
1454 | struct rockchip_pinctrl *info = bank->drvdata; | |
1455 | ||
1456 | *regmap = info->regmap_base; | |
1457 | *reg = RK3228_DRV_GRF_OFFSET; | |
1458 | *reg += bank->bank_num * RK3288_DRV_BANK_STRIDE; | |
1459 | *reg += ((pin_num / RK3288_DRV_PINS_PER_REG) * 4); | |
1460 | ||
1461 | *bit = (pin_num % RK3288_DRV_PINS_PER_REG); | |
1462 | *bit *= RK3288_DRV_BITS_PER_PIN; | |
1463 | } | |
1464 | ||
daecdc66 HS |
1465 | #define RK3368_PULL_GRF_OFFSET 0x100 |
1466 | #define RK3368_PULL_PMU_OFFSET 0x10 | |
1467 | ||
1468 | static void rk3368_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, | |
1469 | int pin_num, struct regmap **regmap, | |
1470 | int *reg, u8 *bit) | |
1471 | { | |
1472 | struct rockchip_pinctrl *info = bank->drvdata; | |
1473 | ||
1474 | /* The first 32 pins of the first bank are located in PMU */ | |
1475 | if (bank->bank_num == 0) { | |
1476 | *regmap = info->regmap_pmu; | |
1477 | *reg = RK3368_PULL_PMU_OFFSET; | |
1478 | ||
1479 | *reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4); | |
1480 | *bit = pin_num % RK3188_PULL_PINS_PER_REG; | |
1481 | *bit *= RK3188_PULL_BITS_PER_PIN; | |
1482 | } else { | |
1483 | *regmap = info->regmap_base; | |
1484 | *reg = RK3368_PULL_GRF_OFFSET; | |
1485 | ||
1486 | /* correct the offset, as we're starting with the 2nd bank */ | |
1487 | *reg -= 0x10; | |
1488 | *reg += bank->bank_num * RK3188_PULL_BANK_STRIDE; | |
1489 | *reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4); | |
1490 | ||
1491 | *bit = (pin_num % RK3188_PULL_PINS_PER_REG); | |
1492 | *bit *= RK3188_PULL_BITS_PER_PIN; | |
1493 | } | |
1494 | } | |
1495 | ||
1496 | #define RK3368_DRV_PMU_OFFSET 0x20 | |
1497 | #define RK3368_DRV_GRF_OFFSET 0x200 | |
1498 | ||
1499 | static void rk3368_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank, | |
1500 | int pin_num, struct regmap **regmap, | |
1501 | int *reg, u8 *bit) | |
1502 | { | |
1503 | struct rockchip_pinctrl *info = bank->drvdata; | |
1504 | ||
1505 | /* The first 32 pins of the first bank are located in PMU */ | |
1506 | if (bank->bank_num == 0) { | |
1507 | *regmap = info->regmap_pmu; | |
1508 | *reg = RK3368_DRV_PMU_OFFSET; | |
1509 | ||
1510 | *reg += ((pin_num / RK3288_DRV_PINS_PER_REG) * 4); | |
1511 | *bit = pin_num % RK3288_DRV_PINS_PER_REG; | |
1512 | *bit *= RK3288_DRV_BITS_PER_PIN; | |
1513 | } else { | |
1514 | *regmap = info->regmap_base; | |
1515 | *reg = RK3368_DRV_GRF_OFFSET; | |
1516 | ||
1517 | /* correct the offset, as we're starting with the 2nd bank */ | |
1518 | *reg -= 0x10; | |
1519 | *reg += bank->bank_num * RK3288_DRV_BANK_STRIDE; | |
1520 | *reg += ((pin_num / RK3288_DRV_PINS_PER_REG) * 4); | |
1521 | ||
1522 | *bit = (pin_num % RK3288_DRV_PINS_PER_REG); | |
1523 | *bit *= RK3288_DRV_BITS_PER_PIN; | |
1524 | } | |
1525 | } | |
1526 | ||
b6c23275 DW |
1527 | #define RK3399_PULL_GRF_OFFSET 0xe040 |
1528 | #define RK3399_PULL_PMU_OFFSET 0x40 | |
1529 | #define RK3399_DRV_3BITS_PER_PIN 3 | |
1530 | ||
1531 | static void rk3399_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, | |
1532 | int pin_num, struct regmap **regmap, | |
1533 | int *reg, u8 *bit) | |
1534 | { | |
1535 | struct rockchip_pinctrl *info = bank->drvdata; | |
1536 | ||
1537 | /* The bank0:16 and bank1:32 pins are located in PMU */ | |
1538 | if ((bank->bank_num == 0) || (bank->bank_num == 1)) { | |
1539 | *regmap = info->regmap_pmu; | |
1540 | *reg = RK3399_PULL_PMU_OFFSET; | |
1541 | ||
1542 | *reg += bank->bank_num * RK3188_PULL_BANK_STRIDE; | |
1543 | ||
1544 | *reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4); | |
1545 | *bit = pin_num % RK3188_PULL_PINS_PER_REG; | |
1546 | *bit *= RK3188_PULL_BITS_PER_PIN; | |
1547 | } else { | |
1548 | *regmap = info->regmap_base; | |
1549 | *reg = RK3399_PULL_GRF_OFFSET; | |
1550 | ||
1551 | /* correct the offset, as we're starting with the 3rd bank */ | |
1552 | *reg -= 0x20; | |
1553 | *reg += bank->bank_num * RK3188_PULL_BANK_STRIDE; | |
1554 | *reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4); | |
1555 | ||
1556 | *bit = (pin_num % RK3188_PULL_PINS_PER_REG); | |
1557 | *bit *= RK3188_PULL_BITS_PER_PIN; | |
1558 | } | |
1559 | } | |
1560 | ||
1561 | static void rk3399_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank, | |
1562 | int pin_num, struct regmap **regmap, | |
1563 | int *reg, u8 *bit) | |
1564 | { | |
1565 | struct rockchip_pinctrl *info = bank->drvdata; | |
1566 | int drv_num = (pin_num / 8); | |
1567 | ||
1568 | /* The bank0:16 and bank1:32 pins are located in PMU */ | |
1569 | if ((bank->bank_num == 0) || (bank->bank_num == 1)) | |
1570 | *regmap = info->regmap_pmu; | |
1571 | else | |
1572 | *regmap = info->regmap_base; | |
1573 | ||
1574 | *reg = bank->drv[drv_num].offset; | |
1575 | if ((bank->drv[drv_num].drv_type == DRV_TYPE_IO_1V8_3V0_AUTO) || | |
1576 | (bank->drv[drv_num].drv_type == DRV_TYPE_IO_3V3_ONLY)) | |
1577 | *bit = (pin_num % 8) * 3; | |
1578 | else | |
1579 | *bit = (pin_num % 8) * 2; | |
1580 | } | |
1581 | ||
1582 | static int rockchip_perpin_drv_list[DRV_TYPE_MAX][8] = { | |
1583 | { 2, 4, 8, 12, -1, -1, -1, -1 }, | |
1584 | { 3, 6, 9, 12, -1, -1, -1, -1 }, | |
1585 | { 5, 10, 15, 20, -1, -1, -1, -1 }, | |
1586 | { 4, 6, 8, 10, 12, 14, 16, 18 }, | |
1587 | { 4, 7, 10, 13, 16, 19, 22, 26 } | |
1588 | }; | |
ef17f69f HS |
1589 | |
1590 | static int rockchip_get_drive_perpin(struct rockchip_pin_bank *bank, | |
1591 | int pin_num) | |
b547c800 | 1592 | { |
ef17f69f HS |
1593 | struct rockchip_pinctrl *info = bank->drvdata; |
1594 | struct rockchip_pin_ctrl *ctrl = info->ctrl; | |
b547c800 HS |
1595 | struct regmap *regmap; |
1596 | int reg, ret; | |
b6c23275 | 1597 | u32 data, temp, rmask_bits; |
b547c800 | 1598 | u8 bit; |
b6c23275 | 1599 | int drv_type = bank->drv[pin_num / 8].drv_type; |
b547c800 | 1600 | |
ef17f69f | 1601 | ctrl->drv_calc_reg(bank, pin_num, ®map, ®, &bit); |
b547c800 | 1602 | |
b6c23275 DW |
1603 | switch (drv_type) { |
1604 | case DRV_TYPE_IO_1V8_3V0_AUTO: | |
1605 | case DRV_TYPE_IO_3V3_ONLY: | |
1606 | rmask_bits = RK3399_DRV_3BITS_PER_PIN; | |
1607 | switch (bit) { | |
1608 | case 0 ... 12: | |
1609 | /* regular case, nothing to do */ | |
1610 | break; | |
1611 | case 15: | |
1612 | /* | |
1613 | * drive-strength offset is special, as it is | |
1614 | * spread over 2 registers | |
1615 | */ | |
1616 | ret = regmap_read(regmap, reg, &data); | |
1617 | if (ret) | |
1618 | return ret; | |
1619 | ||
1620 | ret = regmap_read(regmap, reg + 0x4, &temp); | |
1621 | if (ret) | |
1622 | return ret; | |
1623 | ||
1624 | /* | |
1625 | * the bit data[15] contains bit 0 of the value | |
1626 | * while temp[1:0] contains bits 2 and 1 | |
1627 | */ | |
1628 | data >>= 15; | |
1629 | temp &= 0x3; | |
1630 | temp <<= 1; | |
1631 | data |= temp; | |
1632 | ||
1633 | return rockchip_perpin_drv_list[drv_type][data]; | |
1634 | case 18 ... 21: | |
1635 | /* setting fully enclosed in the second register */ | |
1636 | reg += 4; | |
1637 | bit -= 16; | |
1638 | break; | |
1639 | default: | |
1640 | dev_err(info->dev, "unsupported bit: %d for pinctrl drive type: %d\n", | |
1641 | bit, drv_type); | |
1642 | return -EINVAL; | |
1643 | } | |
1644 | ||
1645 | break; | |
1646 | case DRV_TYPE_IO_DEFAULT: | |
1647 | case DRV_TYPE_IO_1V8_OR_3V0: | |
1648 | case DRV_TYPE_IO_1V8_ONLY: | |
1649 | rmask_bits = RK3288_DRV_BITS_PER_PIN; | |
1650 | break; | |
1651 | default: | |
1652 | dev_err(info->dev, "unsupported pinctrl drive type: %d\n", | |
1653 | drv_type); | |
1654 | return -EINVAL; | |
1655 | } | |
1656 | ||
b547c800 HS |
1657 | ret = regmap_read(regmap, reg, &data); |
1658 | if (ret) | |
1659 | return ret; | |
1660 | ||
1661 | data >>= bit; | |
b6c23275 | 1662 | data &= (1 << rmask_bits) - 1; |
b547c800 | 1663 | |
b6c23275 | 1664 | return rockchip_perpin_drv_list[drv_type][data]; |
b547c800 HS |
1665 | } |
1666 | ||
ef17f69f HS |
1667 | static int rockchip_set_drive_perpin(struct rockchip_pin_bank *bank, |
1668 | int pin_num, int strength) | |
b547c800 HS |
1669 | { |
1670 | struct rockchip_pinctrl *info = bank->drvdata; | |
ef17f69f | 1671 | struct rockchip_pin_ctrl *ctrl = info->ctrl; |
b547c800 | 1672 | struct regmap *regmap; |
b547c800 | 1673 | int reg, ret, i; |
b6c23275 | 1674 | u32 data, rmask, rmask_bits, temp; |
b547c800 | 1675 | u8 bit; |
b6c23275 DW |
1676 | int drv_type = bank->drv[pin_num / 8].drv_type; |
1677 | ||
1678 | dev_dbg(info->dev, "setting drive of GPIO%d-%d to %d\n", | |
1679 | bank->bank_num, pin_num, strength); | |
b547c800 | 1680 | |
ef17f69f | 1681 | ctrl->drv_calc_reg(bank, pin_num, ®map, ®, &bit); |
b547c800 HS |
1682 | |
1683 | ret = -EINVAL; | |
b6c23275 DW |
1684 | for (i = 0; i < ARRAY_SIZE(rockchip_perpin_drv_list[drv_type]); i++) { |
1685 | if (rockchip_perpin_drv_list[drv_type][i] == strength) { | |
b547c800 HS |
1686 | ret = i; |
1687 | break; | |
b6c23275 DW |
1688 | } else if (rockchip_perpin_drv_list[drv_type][i] < 0) { |
1689 | ret = rockchip_perpin_drv_list[drv_type][i]; | |
1690 | break; | |
b547c800 HS |
1691 | } |
1692 | } | |
1693 | ||
1694 | if (ret < 0) { | |
1695 | dev_err(info->dev, "unsupported driver strength %d\n", | |
1696 | strength); | |
1697 | return ret; | |
1698 | } | |
1699 | ||
b6c23275 DW |
1700 | switch (drv_type) { |
1701 | case DRV_TYPE_IO_1V8_3V0_AUTO: | |
1702 | case DRV_TYPE_IO_3V3_ONLY: | |
1703 | rmask_bits = RK3399_DRV_3BITS_PER_PIN; | |
1704 | switch (bit) { | |
1705 | case 0 ... 12: | |
1706 | /* regular case, nothing to do */ | |
1707 | break; | |
1708 | case 15: | |
1709 | /* | |
1710 | * drive-strength offset is special, as it is spread | |
1711 | * over 2 registers, the bit data[15] contains bit 0 | |
1712 | * of the value while temp[1:0] contains bits 2 and 1 | |
1713 | */ | |
1714 | data = (ret & 0x1) << 15; | |
1715 | temp = (ret >> 0x1) & 0x3; | |
1716 | ||
1717 | rmask = BIT(15) | BIT(31); | |
1718 | data |= BIT(31); | |
1719 | ret = regmap_update_bits(regmap, reg, rmask, data); | |
f07bedc3 | 1720 | if (ret) |
b6c23275 | 1721 | return ret; |
b6c23275 DW |
1722 | |
1723 | rmask = 0x3 | (0x3 << 16); | |
1724 | temp |= (0x3 << 16); | |
1725 | reg += 0x4; | |
1726 | ret = regmap_update_bits(regmap, reg, rmask, temp); | |
1727 | ||
b6c23275 DW |
1728 | return ret; |
1729 | case 18 ... 21: | |
1730 | /* setting fully enclosed in the second register */ | |
1731 | reg += 4; | |
1732 | bit -= 16; | |
1733 | break; | |
1734 | default: | |
b6c23275 DW |
1735 | dev_err(info->dev, "unsupported bit: %d for pinctrl drive type: %d\n", |
1736 | bit, drv_type); | |
1737 | return -EINVAL; | |
1738 | } | |
1739 | break; | |
1740 | case DRV_TYPE_IO_DEFAULT: | |
1741 | case DRV_TYPE_IO_1V8_OR_3V0: | |
1742 | case DRV_TYPE_IO_1V8_ONLY: | |
1743 | rmask_bits = RK3288_DRV_BITS_PER_PIN; | |
1744 | break; | |
1745 | default: | |
b6c23275 DW |
1746 | dev_err(info->dev, "unsupported pinctrl drive type: %d\n", |
1747 | drv_type); | |
1748 | return -EINVAL; | |
1749 | } | |
1750 | ||
b547c800 | 1751 | /* enable the write to the equivalent lower bits */ |
b6c23275 | 1752 | data = ((1 << rmask_bits) - 1) << (bit + 16); |
99e872d9 | 1753 | rmask = data | (data >> 16); |
b547c800 HS |
1754 | data |= (ret << bit); |
1755 | ||
99e872d9 | 1756 | ret = regmap_update_bits(regmap, reg, rmask, data); |
b547c800 HS |
1757 | |
1758 | return ret; | |
1759 | } | |
1760 | ||
3ba6767a DW |
1761 | static int rockchip_pull_list[PULL_TYPE_MAX][4] = { |
1762 | { | |
1763 | PIN_CONFIG_BIAS_DISABLE, | |
1764 | PIN_CONFIG_BIAS_PULL_UP, | |
1765 | PIN_CONFIG_BIAS_PULL_DOWN, | |
1766 | PIN_CONFIG_BIAS_BUS_HOLD | |
1767 | }, | |
1768 | { | |
1769 | PIN_CONFIG_BIAS_DISABLE, | |
1770 | PIN_CONFIG_BIAS_PULL_DOWN, | |
1771 | PIN_CONFIG_BIAS_DISABLE, | |
1772 | PIN_CONFIG_BIAS_PULL_UP | |
1773 | }, | |
1774 | }; | |
1775 | ||
d3e51161 HS |
1776 | static int rockchip_get_pull(struct rockchip_pin_bank *bank, int pin_num) |
1777 | { | |
1778 | struct rockchip_pinctrl *info = bank->drvdata; | |
1779 | struct rockchip_pin_ctrl *ctrl = info->ctrl; | |
751a99ab | 1780 | struct regmap *regmap; |
3ba6767a | 1781 | int reg, ret, pull_type; |
d3e51161 | 1782 | u8 bit; |
6ca5274d | 1783 | u32 data; |
d3e51161 HS |
1784 | |
1785 | /* rk3066b does support any pulls */ | |
a282926d | 1786 | if (ctrl->type == RK3066B) |
d3e51161 HS |
1787 | return PIN_CONFIG_BIAS_DISABLE; |
1788 | ||
751a99ab HS |
1789 | ctrl->pull_calc_reg(bank, pin_num, ®map, ®, &bit); |
1790 | ||
1791 | ret = regmap_read(regmap, reg, &data); | |
1792 | if (ret) | |
1793 | return ret; | |
6ca5274d | 1794 | |
a282926d HS |
1795 | switch (ctrl->type) { |
1796 | case RK2928: | |
d23c66df | 1797 | case RK3128: |
751a99ab | 1798 | return !(data & BIT(bit)) |
d3e51161 HS |
1799 | ? PIN_CONFIG_BIAS_PULL_PIN_DEFAULT |
1800 | : PIN_CONFIG_BIAS_DISABLE; | |
b9c6dcab | 1801 | case RV1108: |
a282926d | 1802 | case RK3188: |
66d750e1 | 1803 | case RK3288: |
daecdc66 | 1804 | case RK3368: |
b6c23275 | 1805 | case RK3399: |
3ba6767a | 1806 | pull_type = bank->pull_type[pin_num / 8]; |
751a99ab | 1807 | data >>= bit; |
6ca5274d HS |
1808 | data &= (1 << RK3188_PULL_BITS_PER_PIN) - 1; |
1809 | ||
3ba6767a | 1810 | return rockchip_pull_list[pull_type][data]; |
a282926d HS |
1811 | default: |
1812 | dev_err(info->dev, "unsupported pinctrl type\n"); | |
1813 | return -EINVAL; | |
1814 | }; | |
d3e51161 HS |
1815 | } |
1816 | ||
1817 | static int rockchip_set_pull(struct rockchip_pin_bank *bank, | |
1818 | int pin_num, int pull) | |
1819 | { | |
1820 | struct rockchip_pinctrl *info = bank->drvdata; | |
1821 | struct rockchip_pin_ctrl *ctrl = info->ctrl; | |
751a99ab | 1822 | struct regmap *regmap; |
3ba6767a | 1823 | int reg, ret, i, pull_type; |
d3e51161 | 1824 | u8 bit; |
99e872d9 | 1825 | u32 data, rmask; |
d3e51161 HS |
1826 | |
1827 | dev_dbg(info->dev, "setting pull of GPIO%d-%d to %d\n", | |
1828 | bank->bank_num, pin_num, pull); | |
1829 | ||
1830 | /* rk3066b does support any pulls */ | |
a282926d | 1831 | if (ctrl->type == RK3066B) |
d3e51161 HS |
1832 | return pull ? -EINVAL : 0; |
1833 | ||
751a99ab | 1834 | ctrl->pull_calc_reg(bank, pin_num, ®map, ®, &bit); |
6ca5274d | 1835 | |
a282926d HS |
1836 | switch (ctrl->type) { |
1837 | case RK2928: | |
d23c66df | 1838 | case RK3128: |
d3e51161 HS |
1839 | data = BIT(bit + 16); |
1840 | if (pull == PIN_CONFIG_BIAS_DISABLE) | |
1841 | data |= BIT(bit); | |
751a99ab | 1842 | ret = regmap_write(regmap, reg, data); |
a282926d | 1843 | break; |
b9c6dcab | 1844 | case RV1108: |
a282926d | 1845 | case RK3188: |
66d750e1 | 1846 | case RK3288: |
daecdc66 | 1847 | case RK3368: |
b6c23275 | 1848 | case RK3399: |
3ba6767a DW |
1849 | pull_type = bank->pull_type[pin_num / 8]; |
1850 | ret = -EINVAL; | |
1851 | for (i = 0; i < ARRAY_SIZE(rockchip_pull_list[pull_type]); | |
1852 | i++) { | |
1853 | if (rockchip_pull_list[pull_type][i] == pull) { | |
1854 | ret = i; | |
1855 | break; | |
1856 | } | |
1857 | } | |
1858 | ||
1859 | if (ret < 0) { | |
1860 | dev_err(info->dev, "unsupported pull setting %d\n", | |
1861 | pull); | |
1862 | return ret; | |
1863 | } | |
1864 | ||
6ca5274d HS |
1865 | /* enable the write to the equivalent lower bits */ |
1866 | data = ((1 << RK3188_PULL_BITS_PER_PIN) - 1) << (bit + 16); | |
99e872d9 | 1867 | rmask = data | (data >> 16); |
3ba6767a | 1868 | data |= (ret << bit); |
6ca5274d | 1869 | |
99e872d9 | 1870 | ret = regmap_update_bits(regmap, reg, rmask, data); |
6ca5274d | 1871 | break; |
a282926d HS |
1872 | default: |
1873 | dev_err(info->dev, "unsupported pinctrl type\n"); | |
1874 | return -EINVAL; | |
d3e51161 HS |
1875 | } |
1876 | ||
751a99ab | 1877 | return ret; |
d3e51161 HS |
1878 | } |
1879 | ||
728d3f5a | 1880 | #define RK3328_SCHMITT_BITS_PER_PIN 1 |
1881 | #define RK3328_SCHMITT_PINS_PER_REG 16 | |
1882 | #define RK3328_SCHMITT_BANK_STRIDE 8 | |
1883 | #define RK3328_SCHMITT_GRF_OFFSET 0x380 | |
1884 | ||
1885 | static int rk3328_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank, | |
1886 | int pin_num, | |
1887 | struct regmap **regmap, | |
1888 | int *reg, u8 *bit) | |
1889 | { | |
1890 | struct rockchip_pinctrl *info = bank->drvdata; | |
1891 | ||
1892 | *regmap = info->regmap_base; | |
1893 | *reg = RK3328_SCHMITT_GRF_OFFSET; | |
1894 | ||
1895 | *reg += bank->bank_num * RK3328_SCHMITT_BANK_STRIDE; | |
1896 | *reg += ((pin_num / RK3328_SCHMITT_PINS_PER_REG) * 4); | |
1897 | *bit = pin_num % RK3328_SCHMITT_PINS_PER_REG; | |
1898 | ||
1899 | return 0; | |
1900 | } | |
1901 | ||
e3b357d7 | 1902 | static int rockchip_get_schmitt(struct rockchip_pin_bank *bank, int pin_num) |
1903 | { | |
1904 | struct rockchip_pinctrl *info = bank->drvdata; | |
1905 | struct rockchip_pin_ctrl *ctrl = info->ctrl; | |
1906 | struct regmap *regmap; | |
1907 | int reg, ret; | |
1908 | u8 bit; | |
1909 | u32 data; | |
1910 | ||
1911 | ret = ctrl->schmitt_calc_reg(bank, pin_num, ®map, ®, &bit); | |
1912 | if (ret) | |
1913 | return ret; | |
1914 | ||
1915 | ret = regmap_read(regmap, reg, &data); | |
1916 | if (ret) | |
1917 | return ret; | |
1918 | ||
1919 | data >>= bit; | |
1920 | return data & 0x1; | |
1921 | } | |
1922 | ||
1923 | static int rockchip_set_schmitt(struct rockchip_pin_bank *bank, | |
1924 | int pin_num, int enable) | |
1925 | { | |
1926 | struct rockchip_pinctrl *info = bank->drvdata; | |
1927 | struct rockchip_pin_ctrl *ctrl = info->ctrl; | |
1928 | struct regmap *regmap; | |
1929 | int reg, ret; | |
e3b357d7 | 1930 | u8 bit; |
1931 | u32 data, rmask; | |
1932 | ||
1933 | dev_dbg(info->dev, "setting input schmitt of GPIO%d-%d to %d\n", | |
1934 | bank->bank_num, pin_num, enable); | |
1935 | ||
1936 | ret = ctrl->schmitt_calc_reg(bank, pin_num, ®map, ®, &bit); | |
1937 | if (ret) | |
1938 | return ret; | |
1939 | ||
e3b357d7 | 1940 | /* enable the write to the equivalent lower bits */ |
1941 | data = BIT(bit + 16) | (enable << bit); | |
1942 | rmask = BIT(bit + 16) | BIT(bit); | |
1943 | ||
f07bedc3 | 1944 | return regmap_update_bits(regmap, reg, rmask, data); |
e3b357d7 | 1945 | } |
1946 | ||
d3e51161 HS |
1947 | /* |
1948 | * Pinmux_ops handling | |
1949 | */ | |
1950 | ||
1951 | static int rockchip_pmx_get_funcs_count(struct pinctrl_dev *pctldev) | |
1952 | { | |
1953 | struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev); | |
1954 | ||
1955 | return info->nfunctions; | |
1956 | } | |
1957 | ||
1958 | static const char *rockchip_pmx_get_func_name(struct pinctrl_dev *pctldev, | |
1959 | unsigned selector) | |
1960 | { | |
1961 | struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev); | |
1962 | ||
1963 | return info->functions[selector].name; | |
1964 | } | |
1965 | ||
1966 | static int rockchip_pmx_get_groups(struct pinctrl_dev *pctldev, | |
1967 | unsigned selector, const char * const **groups, | |
1968 | unsigned * const num_groups) | |
1969 | { | |
1970 | struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev); | |
1971 | ||
1972 | *groups = info->functions[selector].groups; | |
1973 | *num_groups = info->functions[selector].ngroups; | |
1974 | ||
1975 | return 0; | |
1976 | } | |
1977 | ||
03e9f0ca LW |
1978 | static int rockchip_pmx_set(struct pinctrl_dev *pctldev, unsigned selector, |
1979 | unsigned group) | |
d3e51161 HS |
1980 | { |
1981 | struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev); | |
1982 | const unsigned int *pins = info->groups[group].pins; | |
1983 | const struct rockchip_pin_config *data = info->groups[group].data; | |
1984 | struct rockchip_pin_bank *bank; | |
14797189 | 1985 | int cnt, ret = 0; |
d3e51161 HS |
1986 | |
1987 | dev_dbg(info->dev, "enable function %s group %s\n", | |
1988 | info->functions[selector].name, info->groups[group].name); | |
1989 | ||
1990 | /* | |
1991 | * for each pin in the pin group selected, program the correspoding pin | |
1992 | * pin function number in the config register. | |
1993 | */ | |
1994 | for (cnt = 0; cnt < info->groups[group].npins; cnt++) { | |
1995 | bank = pin_to_bank(info, pins[cnt]); | |
14797189 HS |
1996 | ret = rockchip_set_mux(bank, pins[cnt] - bank->pin_base, |
1997 | data[cnt].func); | |
1998 | if (ret) | |
1999 | break; | |
2000 | } | |
2001 | ||
2002 | if (ret) { | |
2003 | /* revert the already done pin settings */ | |
2004 | for (cnt--; cnt >= 0; cnt--) | |
2005 | rockchip_set_mux(bank, pins[cnt] - bank->pin_base, 0); | |
2006 | ||
2007 | return ret; | |
d3e51161 HS |
2008 | } |
2009 | ||
2010 | return 0; | |
2011 | } | |
2012 | ||
6ba20a00 CW |
2013 | static int rockchip_gpio_get_direction(struct gpio_chip *chip, unsigned offset) |
2014 | { | |
2015 | struct rockchip_pin_bank *bank = gpiochip_get_data(chip); | |
2016 | u32 data; | |
2017 | ||
2018 | data = readl_relaxed(bank->reg_base + GPIO_SWPORT_DDR); | |
2019 | ||
2020 | return !(data & BIT(offset)); | |
2021 | } | |
2022 | ||
d3e51161 HS |
2023 | /* |
2024 | * The calls to gpio_direction_output() and gpio_direction_input() | |
2025 | * leads to this function call (via the pinctrl_gpio_direction_{input|output}() | |
2026 | * function called from the gpiolib interface). | |
2027 | */ | |
e5c2c9db DA |
2028 | static int _rockchip_pmx_gpio_set_direction(struct gpio_chip *chip, |
2029 | int pin, bool input) | |
d3e51161 | 2030 | { |
d3e51161 | 2031 | struct rockchip_pin_bank *bank; |
e5c2c9db | 2032 | int ret; |
fab262f5 | 2033 | unsigned long flags; |
d3e51161 HS |
2034 | u32 data; |
2035 | ||
03bf81f1 | 2036 | bank = gpiochip_get_data(chip); |
d3e51161 | 2037 | |
14797189 HS |
2038 | ret = rockchip_set_mux(bank, pin, RK_FUNC_GPIO); |
2039 | if (ret < 0) | |
2040 | return ret; | |
d3e51161 | 2041 | |
07a06ae9 | 2042 | clk_enable(bank->clk); |
70b7aa7a | 2043 | raw_spin_lock_irqsave(&bank->slock, flags); |
fab262f5 | 2044 | |
d3e51161 HS |
2045 | data = readl_relaxed(bank->reg_base + GPIO_SWPORT_DDR); |
2046 | /* set bit to 1 for output, 0 for input */ | |
2047 | if (!input) | |
2048 | data |= BIT(pin); | |
2049 | else | |
2050 | data &= ~BIT(pin); | |
2051 | writel_relaxed(data, bank->reg_base + GPIO_SWPORT_DDR); | |
2052 | ||
70b7aa7a | 2053 | raw_spin_unlock_irqrestore(&bank->slock, flags); |
07a06ae9 | 2054 | clk_disable(bank->clk); |
fab262f5 | 2055 | |
d3e51161 HS |
2056 | return 0; |
2057 | } | |
2058 | ||
e5c2c9db DA |
2059 | static int rockchip_pmx_gpio_set_direction(struct pinctrl_dev *pctldev, |
2060 | struct pinctrl_gpio_range *range, | |
2061 | unsigned offset, bool input) | |
2062 | { | |
2063 | struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev); | |
2064 | struct gpio_chip *chip; | |
2065 | int pin; | |
2066 | ||
2067 | chip = range->gc; | |
2068 | pin = offset - chip->base; | |
2069 | dev_dbg(info->dev, "gpio_direction for pin %u as %s-%d to %s\n", | |
2070 | offset, range->name, pin, input ? "input" : "output"); | |
2071 | ||
2072 | return _rockchip_pmx_gpio_set_direction(chip, offset - chip->base, | |
2073 | input); | |
2074 | } | |
2075 | ||
d3e51161 HS |
2076 | static const struct pinmux_ops rockchip_pmx_ops = { |
2077 | .get_functions_count = rockchip_pmx_get_funcs_count, | |
2078 | .get_function_name = rockchip_pmx_get_func_name, | |
2079 | .get_function_groups = rockchip_pmx_get_groups, | |
03e9f0ca | 2080 | .set_mux = rockchip_pmx_set, |
d3e51161 HS |
2081 | .gpio_set_direction = rockchip_pmx_gpio_set_direction, |
2082 | }; | |
2083 | ||
2084 | /* | |
2085 | * Pinconf_ops handling | |
2086 | */ | |
2087 | ||
44b6d930 HS |
2088 | static bool rockchip_pinconf_pull_valid(struct rockchip_pin_ctrl *ctrl, |
2089 | enum pin_config_param pull) | |
2090 | { | |
a282926d HS |
2091 | switch (ctrl->type) { |
2092 | case RK2928: | |
d23c66df | 2093 | case RK3128: |
a282926d HS |
2094 | return (pull == PIN_CONFIG_BIAS_PULL_PIN_DEFAULT || |
2095 | pull == PIN_CONFIG_BIAS_DISABLE); | |
2096 | case RK3066B: | |
44b6d930 | 2097 | return pull ? false : true; |
b9c6dcab | 2098 | case RV1108: |
a282926d | 2099 | case RK3188: |
66d750e1 | 2100 | case RK3288: |
daecdc66 | 2101 | case RK3368: |
b6c23275 | 2102 | case RK3399: |
a282926d | 2103 | return (pull != PIN_CONFIG_BIAS_PULL_PIN_DEFAULT); |
44b6d930 HS |
2104 | } |
2105 | ||
a282926d | 2106 | return false; |
44b6d930 HS |
2107 | } |
2108 | ||
e5c2c9db | 2109 | static void rockchip_gpio_set(struct gpio_chip *gc, unsigned offset, int value); |
a076e2ed HS |
2110 | static int rockchip_gpio_get(struct gpio_chip *gc, unsigned offset); |
2111 | ||
d3e51161 HS |
2112 | /* set the pin config settings for a specified pin */ |
2113 | static int rockchip_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin, | |
03b054e9 | 2114 | unsigned long *configs, unsigned num_configs) |
d3e51161 HS |
2115 | { |
2116 | struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev); | |
2117 | struct rockchip_pin_bank *bank = pin_to_bank(info, pin); | |
03b054e9 | 2118 | enum pin_config_param param; |
58957d2e | 2119 | u32 arg; |
03b054e9 SY |
2120 | int i; |
2121 | int rc; | |
2122 | ||
2123 | for (i = 0; i < num_configs; i++) { | |
2124 | param = pinconf_to_config_param(configs[i]); | |
2125 | arg = pinconf_to_config_argument(configs[i]); | |
2126 | ||
2127 | switch (param) { | |
2128 | case PIN_CONFIG_BIAS_DISABLE: | |
2129 | rc = rockchip_set_pull(bank, pin - bank->pin_base, | |
2130 | param); | |
2131 | if (rc) | |
2132 | return rc; | |
2133 | break; | |
2134 | case PIN_CONFIG_BIAS_PULL_UP: | |
2135 | case PIN_CONFIG_BIAS_PULL_DOWN: | |
2136 | case PIN_CONFIG_BIAS_PULL_PIN_DEFAULT: | |
6ca5274d | 2137 | case PIN_CONFIG_BIAS_BUS_HOLD: |
03b054e9 SY |
2138 | if (!rockchip_pinconf_pull_valid(info->ctrl, param)) |
2139 | return -ENOTSUPP; | |
2140 | ||
2141 | if (!arg) | |
2142 | return -EINVAL; | |
2143 | ||
2144 | rc = rockchip_set_pull(bank, pin - bank->pin_base, | |
2145 | param); | |
2146 | if (rc) | |
2147 | return rc; | |
2148 | break; | |
a076e2ed | 2149 | case PIN_CONFIG_OUTPUT: |
e5c2c9db DA |
2150 | rockchip_gpio_set(&bank->gpio_chip, |
2151 | pin - bank->pin_base, arg); | |
2152 | rc = _rockchip_pmx_gpio_set_direction(&bank->gpio_chip, | |
2153 | pin - bank->pin_base, false); | |
a076e2ed HS |
2154 | if (rc) |
2155 | return rc; | |
2156 | break; | |
b547c800 HS |
2157 | case PIN_CONFIG_DRIVE_STRENGTH: |
2158 | /* rk3288 is the first with per-pin drive-strength */ | |
ef17f69f | 2159 | if (!info->ctrl->drv_calc_reg) |
b547c800 HS |
2160 | return -ENOTSUPP; |
2161 | ||
ef17f69f HS |
2162 | rc = rockchip_set_drive_perpin(bank, |
2163 | pin - bank->pin_base, arg); | |
b547c800 HS |
2164 | if (rc < 0) |
2165 | return rc; | |
2166 | break; | |
e3b357d7 | 2167 | case PIN_CONFIG_INPUT_SCHMITT_ENABLE: |
2168 | if (!info->ctrl->schmitt_calc_reg) | |
2169 | return -ENOTSUPP; | |
2170 | ||
2171 | rc = rockchip_set_schmitt(bank, | |
2172 | pin - bank->pin_base, arg); | |
2173 | if (rc < 0) | |
2174 | return rc; | |
2175 | break; | |
03b054e9 | 2176 | default: |
44b6d930 | 2177 | return -ENOTSUPP; |
03b054e9 SY |
2178 | break; |
2179 | } | |
2180 | } /* for each config */ | |
d3e51161 HS |
2181 | |
2182 | return 0; | |
2183 | } | |
2184 | ||
2185 | /* get the pin config settings for a specified pin */ | |
2186 | static int rockchip_pinconf_get(struct pinctrl_dev *pctldev, unsigned int pin, | |
2187 | unsigned long *config) | |
2188 | { | |
2189 | struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev); | |
2190 | struct rockchip_pin_bank *bank = pin_to_bank(info, pin); | |
2191 | enum pin_config_param param = pinconf_to_config_param(*config); | |
dab3eba7 | 2192 | u16 arg; |
a076e2ed | 2193 | int rc; |
d3e51161 HS |
2194 | |
2195 | switch (param) { | |
2196 | case PIN_CONFIG_BIAS_DISABLE: | |
44b6d930 HS |
2197 | if (rockchip_get_pull(bank, pin - bank->pin_base) != param) |
2198 | return -EINVAL; | |
2199 | ||
dab3eba7 | 2200 | arg = 0; |
44b6d930 | 2201 | break; |
d3e51161 HS |
2202 | case PIN_CONFIG_BIAS_PULL_UP: |
2203 | case PIN_CONFIG_BIAS_PULL_DOWN: | |
2204 | case PIN_CONFIG_BIAS_PULL_PIN_DEFAULT: | |
6ca5274d | 2205 | case PIN_CONFIG_BIAS_BUS_HOLD: |
44b6d930 HS |
2206 | if (!rockchip_pinconf_pull_valid(info->ctrl, param)) |
2207 | return -ENOTSUPP; | |
d3e51161 | 2208 | |
44b6d930 | 2209 | if (rockchip_get_pull(bank, pin - bank->pin_base) != param) |
d3e51161 HS |
2210 | return -EINVAL; |
2211 | ||
dab3eba7 | 2212 | arg = 1; |
d3e51161 | 2213 | break; |
a076e2ed HS |
2214 | case PIN_CONFIG_OUTPUT: |
2215 | rc = rockchip_get_mux(bank, pin - bank->pin_base); | |
2216 | if (rc != RK_FUNC_GPIO) | |
2217 | return -EINVAL; | |
2218 | ||
2219 | rc = rockchip_gpio_get(&bank->gpio_chip, pin - bank->pin_base); | |
2220 | if (rc < 0) | |
2221 | return rc; | |
2222 | ||
2223 | arg = rc ? 1 : 0; | |
2224 | break; | |
b547c800 HS |
2225 | case PIN_CONFIG_DRIVE_STRENGTH: |
2226 | /* rk3288 is the first with per-pin drive-strength */ | |
ef17f69f | 2227 | if (!info->ctrl->drv_calc_reg) |
b547c800 HS |
2228 | return -ENOTSUPP; |
2229 | ||
ef17f69f | 2230 | rc = rockchip_get_drive_perpin(bank, pin - bank->pin_base); |
b547c800 HS |
2231 | if (rc < 0) |
2232 | return rc; | |
2233 | ||
e3b357d7 | 2234 | arg = rc; |
2235 | break; | |
2236 | case PIN_CONFIG_INPUT_SCHMITT_ENABLE: | |
2237 | if (!info->ctrl->schmitt_calc_reg) | |
2238 | return -ENOTSUPP; | |
2239 | ||
2240 | rc = rockchip_get_schmitt(bank, pin - bank->pin_base); | |
2241 | if (rc < 0) | |
2242 | return rc; | |
2243 | ||
b547c800 HS |
2244 | arg = rc; |
2245 | break; | |
d3e51161 HS |
2246 | default: |
2247 | return -ENOTSUPP; | |
2248 | break; | |
2249 | } | |
2250 | ||
dab3eba7 HS |
2251 | *config = pinconf_to_config_packed(param, arg); |
2252 | ||
d3e51161 HS |
2253 | return 0; |
2254 | } | |
2255 | ||
2256 | static const struct pinconf_ops rockchip_pinconf_ops = { | |
2257 | .pin_config_get = rockchip_pinconf_get, | |
2258 | .pin_config_set = rockchip_pinconf_set, | |
ed62f2f2 | 2259 | .is_generic = true, |
d3e51161 HS |
2260 | }; |
2261 | ||
65fca613 HS |
2262 | static const struct of_device_id rockchip_bank_match[] = { |
2263 | { .compatible = "rockchip,gpio-bank" }, | |
6ca5274d | 2264 | { .compatible = "rockchip,rk3188-gpio-bank0" }, |
65fca613 HS |
2265 | {}, |
2266 | }; | |
d3e51161 HS |
2267 | |
2268 | static void rockchip_pinctrl_child_count(struct rockchip_pinctrl *info, | |
2269 | struct device_node *np) | |
2270 | { | |
2271 | struct device_node *child; | |
2272 | ||
2273 | for_each_child_of_node(np, child) { | |
65fca613 | 2274 | if (of_match_node(rockchip_bank_match, child)) |
d3e51161 HS |
2275 | continue; |
2276 | ||
2277 | info->nfunctions++; | |
2278 | info->ngroups += of_get_child_count(child); | |
2279 | } | |
2280 | } | |
2281 | ||
2282 | static int rockchip_pinctrl_parse_groups(struct device_node *np, | |
2283 | struct rockchip_pin_group *grp, | |
2284 | struct rockchip_pinctrl *info, | |
2285 | u32 index) | |
2286 | { | |
2287 | struct rockchip_pin_bank *bank; | |
2288 | int size; | |
2289 | const __be32 *list; | |
2290 | int num; | |
2291 | int i, j; | |
2292 | int ret; | |
2293 | ||
2294 | dev_dbg(info->dev, "group(%d): %s\n", index, np->name); | |
2295 | ||
2296 | /* Initialise group */ | |
2297 | grp->name = np->name; | |
2298 | ||
2299 | /* | |
2300 | * the binding format is rockchip,pins = <bank pin mux CONFIG>, | |
2301 | * do sanity check and calculate pins number | |
2302 | */ | |
2303 | list = of_get_property(np, "rockchip,pins", &size); | |
2304 | /* we do not check return since it's safe node passed down */ | |
2305 | size /= sizeof(*list); | |
2306 | if (!size || size % 4) { | |
2307 | dev_err(info->dev, "wrong pins number or pins and configs should be by 4\n"); | |
2308 | return -EINVAL; | |
2309 | } | |
2310 | ||
2311 | grp->npins = size / 4; | |
2312 | ||
2313 | grp->pins = devm_kzalloc(info->dev, grp->npins * sizeof(unsigned int), | |
2314 | GFP_KERNEL); | |
2315 | grp->data = devm_kzalloc(info->dev, grp->npins * | |
2316 | sizeof(struct rockchip_pin_config), | |
2317 | GFP_KERNEL); | |
2318 | if (!grp->pins || !grp->data) | |
2319 | return -ENOMEM; | |
2320 | ||
2321 | for (i = 0, j = 0; i < size; i += 4, j++) { | |
2322 | const __be32 *phandle; | |
2323 | struct device_node *np_config; | |
2324 | ||
2325 | num = be32_to_cpu(*list++); | |
2326 | bank = bank_num_to_bank(info, num); | |
2327 | if (IS_ERR(bank)) | |
2328 | return PTR_ERR(bank); | |
2329 | ||
2330 | grp->pins[j] = bank->pin_base + be32_to_cpu(*list++); | |
2331 | grp->data[j].func = be32_to_cpu(*list++); | |
2332 | ||
2333 | phandle = list++; | |
2334 | if (!phandle) | |
2335 | return -EINVAL; | |
2336 | ||
2337 | np_config = of_find_node_by_phandle(be32_to_cpup(phandle)); | |
dd4d01f7 | 2338 | ret = pinconf_generic_parse_dt_config(np_config, NULL, |
d3e51161 HS |
2339 | &grp->data[j].configs, &grp->data[j].nconfigs); |
2340 | if (ret) | |
2341 | return ret; | |
2342 | } | |
2343 | ||
2344 | return 0; | |
2345 | } | |
2346 | ||
2347 | static int rockchip_pinctrl_parse_functions(struct device_node *np, | |
2348 | struct rockchip_pinctrl *info, | |
2349 | u32 index) | |
2350 | { | |
2351 | struct device_node *child; | |
2352 | struct rockchip_pmx_func *func; | |
2353 | struct rockchip_pin_group *grp; | |
2354 | int ret; | |
2355 | static u32 grp_index; | |
2356 | u32 i = 0; | |
2357 | ||
2358 | dev_dbg(info->dev, "parse function(%d): %s\n", index, np->name); | |
2359 | ||
2360 | func = &info->functions[index]; | |
2361 | ||
2362 | /* Initialise function */ | |
2363 | func->name = np->name; | |
2364 | func->ngroups = of_get_child_count(np); | |
2365 | if (func->ngroups <= 0) | |
2366 | return 0; | |
2367 | ||
2368 | func->groups = devm_kzalloc(info->dev, | |
2369 | func->ngroups * sizeof(char *), GFP_KERNEL); | |
2370 | if (!func->groups) | |
2371 | return -ENOMEM; | |
2372 | ||
2373 | for_each_child_of_node(np, child) { | |
2374 | func->groups[i] = child->name; | |
2375 | grp = &info->groups[grp_index++]; | |
2376 | ret = rockchip_pinctrl_parse_groups(child, grp, info, i++); | |
f7a81b7f JL |
2377 | if (ret) { |
2378 | of_node_put(child); | |
d3e51161 | 2379 | return ret; |
f7a81b7f | 2380 | } |
d3e51161 HS |
2381 | } |
2382 | ||
2383 | return 0; | |
2384 | } | |
2385 | ||
2386 | static int rockchip_pinctrl_parse_dt(struct platform_device *pdev, | |
2387 | struct rockchip_pinctrl *info) | |
2388 | { | |
2389 | struct device *dev = &pdev->dev; | |
2390 | struct device_node *np = dev->of_node; | |
2391 | struct device_node *child; | |
2392 | int ret; | |
2393 | int i; | |
2394 | ||
2395 | rockchip_pinctrl_child_count(info, np); | |
2396 | ||
2397 | dev_dbg(&pdev->dev, "nfunctions = %d\n", info->nfunctions); | |
2398 | dev_dbg(&pdev->dev, "ngroups = %d\n", info->ngroups); | |
2399 | ||
2400 | info->functions = devm_kzalloc(dev, info->nfunctions * | |
2401 | sizeof(struct rockchip_pmx_func), | |
2402 | GFP_KERNEL); | |
2403 | if (!info->functions) { | |
2404 | dev_err(dev, "failed to allocate memory for function list\n"); | |
2405 | return -EINVAL; | |
2406 | } | |
2407 | ||
2408 | info->groups = devm_kzalloc(dev, info->ngroups * | |
2409 | sizeof(struct rockchip_pin_group), | |
2410 | GFP_KERNEL); | |
2411 | if (!info->groups) { | |
2412 | dev_err(dev, "failed allocate memory for ping group list\n"); | |
2413 | return -EINVAL; | |
2414 | } | |
2415 | ||
2416 | i = 0; | |
2417 | ||
2418 | for_each_child_of_node(np, child) { | |
65fca613 | 2419 | if (of_match_node(rockchip_bank_match, child)) |
d3e51161 | 2420 | continue; |
65fca613 | 2421 | |
d3e51161 HS |
2422 | ret = rockchip_pinctrl_parse_functions(child, info, i++); |
2423 | if (ret) { | |
2424 | dev_err(&pdev->dev, "failed to parse function\n"); | |
f7a81b7f | 2425 | of_node_put(child); |
d3e51161 HS |
2426 | return ret; |
2427 | } | |
2428 | } | |
2429 | ||
2430 | return 0; | |
2431 | } | |
2432 | ||
2433 | static int rockchip_pinctrl_register(struct platform_device *pdev, | |
2434 | struct rockchip_pinctrl *info) | |
2435 | { | |
2436 | struct pinctrl_desc *ctrldesc = &info->pctl; | |
2437 | struct pinctrl_pin_desc *pindesc, *pdesc; | |
2438 | struct rockchip_pin_bank *pin_bank; | |
2439 | int pin, bank, ret; | |
2440 | int k; | |
2441 | ||
2442 | ctrldesc->name = "rockchip-pinctrl"; | |
2443 | ctrldesc->owner = THIS_MODULE; | |
2444 | ctrldesc->pctlops = &rockchip_pctrl_ops; | |
2445 | ctrldesc->pmxops = &rockchip_pmx_ops; | |
2446 | ctrldesc->confops = &rockchip_pinconf_ops; | |
2447 | ||
2448 | pindesc = devm_kzalloc(&pdev->dev, sizeof(*pindesc) * | |
2449 | info->ctrl->nr_pins, GFP_KERNEL); | |
2450 | if (!pindesc) { | |
2451 | dev_err(&pdev->dev, "mem alloc for pin descriptors failed\n"); | |
2452 | return -ENOMEM; | |
2453 | } | |
2454 | ctrldesc->pins = pindesc; | |
2455 | ctrldesc->npins = info->ctrl->nr_pins; | |
2456 | ||
2457 | pdesc = pindesc; | |
2458 | for (bank = 0 , k = 0; bank < info->ctrl->nr_banks; bank++) { | |
2459 | pin_bank = &info->ctrl->pin_banks[bank]; | |
2460 | for (pin = 0; pin < pin_bank->nr_pins; pin++, k++) { | |
2461 | pdesc->number = k; | |
2462 | pdesc->name = kasprintf(GFP_KERNEL, "%s-%d", | |
2463 | pin_bank->name, pin); | |
2464 | pdesc++; | |
2465 | } | |
2466 | } | |
2467 | ||
0fb7dcb1 DA |
2468 | ret = rockchip_pinctrl_parse_dt(pdev, info); |
2469 | if (ret) | |
2470 | return ret; | |
2471 | ||
0085a2b4 | 2472 | info->pctl_dev = devm_pinctrl_register(&pdev->dev, ctrldesc, info); |
323de9ef | 2473 | if (IS_ERR(info->pctl_dev)) { |
d3e51161 | 2474 | dev_err(&pdev->dev, "could not register pinctrl driver\n"); |
323de9ef | 2475 | return PTR_ERR(info->pctl_dev); |
d3e51161 HS |
2476 | } |
2477 | ||
2478 | for (bank = 0; bank < info->ctrl->nr_banks; ++bank) { | |
2479 | pin_bank = &info->ctrl->pin_banks[bank]; | |
2480 | pin_bank->grange.name = pin_bank->name; | |
2481 | pin_bank->grange.id = bank; | |
2482 | pin_bank->grange.pin_base = pin_bank->pin_base; | |
2483 | pin_bank->grange.base = pin_bank->gpio_chip.base; | |
2484 | pin_bank->grange.npins = pin_bank->gpio_chip.ngpio; | |
2485 | pin_bank->grange.gc = &pin_bank->gpio_chip; | |
2486 | pinctrl_add_gpio_range(info->pctl_dev, &pin_bank->grange); | |
2487 | } | |
2488 | ||
d3e51161 HS |
2489 | return 0; |
2490 | } | |
2491 | ||
2492 | /* | |
2493 | * GPIO handling | |
2494 | */ | |
2495 | ||
2496 | static void rockchip_gpio_set(struct gpio_chip *gc, unsigned offset, int value) | |
2497 | { | |
03bf81f1 | 2498 | struct rockchip_pin_bank *bank = gpiochip_get_data(gc); |
d3e51161 HS |
2499 | void __iomem *reg = bank->reg_base + GPIO_SWPORT_DR; |
2500 | unsigned long flags; | |
2501 | u32 data; | |
2502 | ||
07a06ae9 | 2503 | clk_enable(bank->clk); |
70b7aa7a | 2504 | raw_spin_lock_irqsave(&bank->slock, flags); |
d3e51161 HS |
2505 | |
2506 | data = readl(reg); | |
2507 | data &= ~BIT(offset); | |
2508 | if (value) | |
2509 | data |= BIT(offset); | |
2510 | writel(data, reg); | |
2511 | ||
70b7aa7a | 2512 | raw_spin_unlock_irqrestore(&bank->slock, flags); |
07a06ae9 | 2513 | clk_disable(bank->clk); |
d3e51161 HS |
2514 | } |
2515 | ||
2516 | /* | |
2517 | * Returns the level of the pin for input direction and setting of the DR | |
2518 | * register for output gpios. | |
2519 | */ | |
2520 | static int rockchip_gpio_get(struct gpio_chip *gc, unsigned offset) | |
2521 | { | |
03bf81f1 | 2522 | struct rockchip_pin_bank *bank = gpiochip_get_data(gc); |
d3e51161 HS |
2523 | u32 data; |
2524 | ||
07a06ae9 | 2525 | clk_enable(bank->clk); |
d3e51161 | 2526 | data = readl(bank->reg_base + GPIO_EXT_PORT); |
07a06ae9 | 2527 | clk_disable(bank->clk); |
d3e51161 HS |
2528 | data >>= offset; |
2529 | data &= 1; | |
2530 | return data; | |
2531 | } | |
2532 | ||
2533 | /* | |
2534 | * gpiolib gpio_direction_input callback function. The setting of the pin | |
2535 | * mux function as 'gpio input' will be handled by the pinctrl susbsystem | |
2536 | * interface. | |
2537 | */ | |
2538 | static int rockchip_gpio_direction_input(struct gpio_chip *gc, unsigned offset) | |
2539 | { | |
2540 | return pinctrl_gpio_direction_input(gc->base + offset); | |
2541 | } | |
2542 | ||
2543 | /* | |
2544 | * gpiolib gpio_direction_output callback function. The setting of the pin | |
2545 | * mux function as 'gpio output' will be handled by the pinctrl susbsystem | |
2546 | * interface. | |
2547 | */ | |
2548 | static int rockchip_gpio_direction_output(struct gpio_chip *gc, | |
2549 | unsigned offset, int value) | |
2550 | { | |
2551 | rockchip_gpio_set(gc, offset, value); | |
2552 | return pinctrl_gpio_direction_output(gc->base + offset); | |
2553 | } | |
2554 | ||
2555 | /* | |
2556 | * gpiolib gpio_to_irq callback function. Creates a mapping between a GPIO pin | |
2557 | * and a virtual IRQ, if not already present. | |
2558 | */ | |
2559 | static int rockchip_gpio_to_irq(struct gpio_chip *gc, unsigned offset) | |
2560 | { | |
03bf81f1 | 2561 | struct rockchip_pin_bank *bank = gpiochip_get_data(gc); |
d3e51161 HS |
2562 | unsigned int virq; |
2563 | ||
2564 | if (!bank->domain) | |
2565 | return -ENXIO; | |
2566 | ||
2567 | virq = irq_create_mapping(bank->domain, offset); | |
2568 | ||
2569 | return (virq) ? : -ENXIO; | |
2570 | } | |
2571 | ||
2572 | static const struct gpio_chip rockchip_gpiolib_chip = { | |
98c85d58 JG |
2573 | .request = gpiochip_generic_request, |
2574 | .free = gpiochip_generic_free, | |
d3e51161 HS |
2575 | .set = rockchip_gpio_set, |
2576 | .get = rockchip_gpio_get, | |
6ba20a00 | 2577 | .get_direction = rockchip_gpio_get_direction, |
d3e51161 HS |
2578 | .direction_input = rockchip_gpio_direction_input, |
2579 | .direction_output = rockchip_gpio_direction_output, | |
2580 | .to_irq = rockchip_gpio_to_irq, | |
2581 | .owner = THIS_MODULE, | |
2582 | }; | |
2583 | ||
2584 | /* | |
2585 | * Interrupt handling | |
2586 | */ | |
2587 | ||
bd0b9ac4 | 2588 | static void rockchip_irq_demux(struct irq_desc *desc) |
d3e51161 | 2589 | { |
5663bb27 JL |
2590 | struct irq_chip *chip = irq_desc_get_chip(desc); |
2591 | struct rockchip_pin_bank *bank = irq_desc_get_handler_data(desc); | |
d3e51161 HS |
2592 | u32 pend; |
2593 | ||
2594 | dev_dbg(bank->drvdata->dev, "got irq for bank %s\n", bank->name); | |
2595 | ||
2596 | chained_irq_enter(chip, desc); | |
2597 | ||
2598 | pend = readl_relaxed(bank->reg_base + GPIO_INT_STATUS); | |
2599 | ||
2600 | while (pend) { | |
415f748c | 2601 | unsigned int irq, virq; |
d3e51161 HS |
2602 | |
2603 | irq = __ffs(pend); | |
2604 | pend &= ~BIT(irq); | |
2605 | virq = irq_linear_revmap(bank->domain, irq); | |
2606 | ||
2607 | if (!virq) { | |
2608 | dev_err(bank->drvdata->dev, "unmapped irq %d\n", irq); | |
2609 | continue; | |
2610 | } | |
2611 | ||
2612 | dev_dbg(bank->drvdata->dev, "handling irq %d\n", irq); | |
2613 | ||
5a927501 HS |
2614 | /* |
2615 | * Triggering IRQ on both rising and falling edge | |
2616 | * needs manual intervention. | |
2617 | */ | |
2618 | if (bank->toggle_edge_mode & BIT(irq)) { | |
53b1bfc7 DA |
2619 | u32 data, data_old, polarity; |
2620 | unsigned long flags; | |
2621 | ||
2622 | data = readl_relaxed(bank->reg_base + GPIO_EXT_PORT); | |
2623 | do { | |
70b7aa7a | 2624 | raw_spin_lock_irqsave(&bank->slock, flags); |
53b1bfc7 DA |
2625 | |
2626 | polarity = readl_relaxed(bank->reg_base + | |
2627 | GPIO_INT_POLARITY); | |
2628 | if (data & BIT(irq)) | |
2629 | polarity &= ~BIT(irq); | |
2630 | else | |
2631 | polarity |= BIT(irq); | |
2632 | writel(polarity, | |
2633 | bank->reg_base + GPIO_INT_POLARITY); | |
2634 | ||
70b7aa7a | 2635 | raw_spin_unlock_irqrestore(&bank->slock, flags); |
53b1bfc7 DA |
2636 | |
2637 | data_old = data; | |
2638 | data = readl_relaxed(bank->reg_base + | |
2639 | GPIO_EXT_PORT); | |
2640 | } while ((data & BIT(irq)) != (data_old & BIT(irq))); | |
5a927501 HS |
2641 | } |
2642 | ||
d3e51161 HS |
2643 | generic_handle_irq(virq); |
2644 | } | |
2645 | ||
2646 | chained_irq_exit(chip, desc); | |
2647 | } | |
2648 | ||
2649 | static int rockchip_irq_set_type(struct irq_data *d, unsigned int type) | |
2650 | { | |
2651 | struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); | |
2652 | struct rockchip_pin_bank *bank = gc->private; | |
2653 | u32 mask = BIT(d->hwirq); | |
2654 | u32 polarity; | |
2655 | u32 level; | |
2656 | u32 data; | |
fab262f5 | 2657 | unsigned long flags; |
14797189 | 2658 | int ret; |
d3e51161 | 2659 | |
5a927501 | 2660 | /* make sure the pin is configured as gpio input */ |
1d80df93 | 2661 | ret = rockchip_set_mux(bank, d->hwirq, RK_FUNC_GPIO); |
14797189 HS |
2662 | if (ret < 0) |
2663 | return ret; | |
2664 | ||
1d80df93 | 2665 | clk_enable(bank->clk); |
70b7aa7a | 2666 | raw_spin_lock_irqsave(&bank->slock, flags); |
fab262f5 | 2667 | |
5a927501 HS |
2668 | data = readl_relaxed(bank->reg_base + GPIO_SWPORT_DDR); |
2669 | data &= ~mask; | |
2670 | writel_relaxed(data, bank->reg_base + GPIO_SWPORT_DDR); | |
2671 | ||
70b7aa7a | 2672 | raw_spin_unlock_irqrestore(&bank->slock, flags); |
fab262f5 | 2673 | |
d3e51161 | 2674 | if (type & IRQ_TYPE_EDGE_BOTH) |
2dbf1bc5 | 2675 | irq_set_handler_locked(d, handle_edge_irq); |
d3e51161 | 2676 | else |
2dbf1bc5 | 2677 | irq_set_handler_locked(d, handle_level_irq); |
d3e51161 | 2678 | |
70b7aa7a | 2679 | raw_spin_lock_irqsave(&bank->slock, flags); |
d3e51161 HS |
2680 | irq_gc_lock(gc); |
2681 | ||
2682 | level = readl_relaxed(gc->reg_base + GPIO_INTTYPE_LEVEL); | |
2683 | polarity = readl_relaxed(gc->reg_base + GPIO_INT_POLARITY); | |
2684 | ||
2685 | switch (type) { | |
5a927501 HS |
2686 | case IRQ_TYPE_EDGE_BOTH: |
2687 | bank->toggle_edge_mode |= mask; | |
2688 | level |= mask; | |
2689 | ||
2690 | /* | |
2691 | * Determine gpio state. If 1 next interrupt should be falling | |
2692 | * otherwise rising. | |
2693 | */ | |
2694 | data = readl(bank->reg_base + GPIO_EXT_PORT); | |
2695 | if (data & mask) | |
2696 | polarity &= ~mask; | |
2697 | else | |
2698 | polarity |= mask; | |
2699 | break; | |
d3e51161 | 2700 | case IRQ_TYPE_EDGE_RISING: |
5a927501 | 2701 | bank->toggle_edge_mode &= ~mask; |
d3e51161 HS |
2702 | level |= mask; |
2703 | polarity |= mask; | |
2704 | break; | |
2705 | case IRQ_TYPE_EDGE_FALLING: | |
5a927501 | 2706 | bank->toggle_edge_mode &= ~mask; |
d3e51161 HS |
2707 | level |= mask; |
2708 | polarity &= ~mask; | |
2709 | break; | |
2710 | case IRQ_TYPE_LEVEL_HIGH: | |
5a927501 | 2711 | bank->toggle_edge_mode &= ~mask; |
d3e51161 HS |
2712 | level &= ~mask; |
2713 | polarity |= mask; | |
2714 | break; | |
2715 | case IRQ_TYPE_LEVEL_LOW: | |
5a927501 | 2716 | bank->toggle_edge_mode &= ~mask; |
d3e51161 HS |
2717 | level &= ~mask; |
2718 | polarity &= ~mask; | |
2719 | break; | |
2720 | default: | |
7cc5f970 | 2721 | irq_gc_unlock(gc); |
70b7aa7a | 2722 | raw_spin_unlock_irqrestore(&bank->slock, flags); |
1d80df93 | 2723 | clk_disable(bank->clk); |
d3e51161 HS |
2724 | return -EINVAL; |
2725 | } | |
2726 | ||
2727 | writel_relaxed(level, gc->reg_base + GPIO_INTTYPE_LEVEL); | |
2728 | writel_relaxed(polarity, gc->reg_base + GPIO_INT_POLARITY); | |
2729 | ||
2730 | irq_gc_unlock(gc); | |
70b7aa7a | 2731 | raw_spin_unlock_irqrestore(&bank->slock, flags); |
1d80df93 | 2732 | clk_disable(bank->clk); |
d3e51161 | 2733 | |
d3e51161 HS |
2734 | return 0; |
2735 | } | |
2736 | ||
68bda47c DA |
2737 | static void rockchip_irq_suspend(struct irq_data *d) |
2738 | { | |
2739 | struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); | |
2740 | struct rockchip_pin_bank *bank = gc->private; | |
2741 | ||
07a06ae9 | 2742 | clk_enable(bank->clk); |
5ae0c7ad DA |
2743 | bank->saved_masks = irq_reg_readl(gc, GPIO_INTMASK); |
2744 | irq_reg_writel(gc, ~gc->wake_active, GPIO_INTMASK); | |
07a06ae9 | 2745 | clk_disable(bank->clk); |
68bda47c DA |
2746 | } |
2747 | ||
2748 | static void rockchip_irq_resume(struct irq_data *d) | |
2749 | { | |
2750 | struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); | |
2751 | struct rockchip_pin_bank *bank = gc->private; | |
2752 | ||
07a06ae9 | 2753 | clk_enable(bank->clk); |
5ae0c7ad | 2754 | irq_reg_writel(gc, bank->saved_masks, GPIO_INTMASK); |
07a06ae9 LH |
2755 | clk_disable(bank->clk); |
2756 | } | |
2757 | ||
d468289a | 2758 | static void rockchip_irq_enable(struct irq_data *d) |
07a06ae9 LH |
2759 | { |
2760 | struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); | |
2761 | struct rockchip_pin_bank *bank = gc->private; | |
2762 | ||
2763 | clk_enable(bank->clk); | |
2764 | irq_gc_mask_clr_bit(d); | |
2765 | } | |
2766 | ||
d468289a | 2767 | static void rockchip_irq_disable(struct irq_data *d) |
07a06ae9 LH |
2768 | { |
2769 | struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); | |
2770 | struct rockchip_pin_bank *bank = gc->private; | |
2771 | ||
2772 | irq_gc_mask_set_bit(d); | |
2773 | clk_disable(bank->clk); | |
f2dd028c DA |
2774 | } |
2775 | ||
d3e51161 HS |
2776 | static int rockchip_interrupts_register(struct platform_device *pdev, |
2777 | struct rockchip_pinctrl *info) | |
2778 | { | |
2779 | struct rockchip_pin_ctrl *ctrl = info->ctrl; | |
2780 | struct rockchip_pin_bank *bank = ctrl->pin_banks; | |
2781 | unsigned int clr = IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_NOAUTOEN; | |
2782 | struct irq_chip_generic *gc; | |
2783 | int ret; | |
07a06ae9 | 2784 | int i, j; |
d3e51161 HS |
2785 | |
2786 | for (i = 0; i < ctrl->nr_banks; ++i, ++bank) { | |
2787 | if (!bank->valid) { | |
2788 | dev_warn(&pdev->dev, "bank %s is not valid\n", | |
2789 | bank->name); | |
2790 | continue; | |
2791 | } | |
2792 | ||
07a06ae9 LH |
2793 | ret = clk_enable(bank->clk); |
2794 | if (ret) { | |
2795 | dev_err(&pdev->dev, "failed to enable clock for bank %s\n", | |
2796 | bank->name); | |
2797 | continue; | |
2798 | } | |
2799 | ||
d3e51161 HS |
2800 | bank->domain = irq_domain_add_linear(bank->of_node, 32, |
2801 | &irq_generic_chip_ops, NULL); | |
2802 | if (!bank->domain) { | |
2803 | dev_warn(&pdev->dev, "could not initialize irq domain for bank %s\n", | |
2804 | bank->name); | |
07a06ae9 | 2805 | clk_disable(bank->clk); |
d3e51161 HS |
2806 | continue; |
2807 | } | |
2808 | ||
2809 | ret = irq_alloc_domain_generic_chips(bank->domain, 32, 1, | |
2810 | "rockchip_gpio_irq", handle_level_irq, | |
2811 | clr, 0, IRQ_GC_INIT_MASK_CACHE); | |
2812 | if (ret) { | |
2813 | dev_err(&pdev->dev, "could not alloc generic chips for bank %s\n", | |
2814 | bank->name); | |
2815 | irq_domain_remove(bank->domain); | |
07a06ae9 | 2816 | clk_disable(bank->clk); |
d3e51161 HS |
2817 | continue; |
2818 | } | |
2819 | ||
5ae0c7ad DA |
2820 | /* |
2821 | * Linux assumes that all interrupts start out disabled/masked. | |
2822 | * Our driver only uses the concept of masked and always keeps | |
2823 | * things enabled, so for us that's all masked and all enabled. | |
2824 | */ | |
2825 | writel_relaxed(0xffffffff, bank->reg_base + GPIO_INTMASK); | |
2826 | writel_relaxed(0xffffffff, bank->reg_base + GPIO_INTEN); | |
2827 | ||
d3e51161 HS |
2828 | gc = irq_get_domain_generic_chip(bank->domain, 0); |
2829 | gc->reg_base = bank->reg_base; | |
2830 | gc->private = bank; | |
f2dd028c | 2831 | gc->chip_types[0].regs.mask = GPIO_INTMASK; |
d3e51161 HS |
2832 | gc->chip_types[0].regs.ack = GPIO_PORTS_EOI; |
2833 | gc->chip_types[0].chip.irq_ack = irq_gc_ack_set_bit; | |
d468289a JC |
2834 | gc->chip_types[0].chip.irq_mask = irq_gc_mask_set_bit; |
2835 | gc->chip_types[0].chip.irq_unmask = irq_gc_mask_clr_bit; | |
2836 | gc->chip_types[0].chip.irq_enable = rockchip_irq_enable; | |
2837 | gc->chip_types[0].chip.irq_disable = rockchip_irq_disable; | |
d3e51161 | 2838 | gc->chip_types[0].chip.irq_set_wake = irq_gc_set_wake; |
68bda47c DA |
2839 | gc->chip_types[0].chip.irq_suspend = rockchip_irq_suspend; |
2840 | gc->chip_types[0].chip.irq_resume = rockchip_irq_resume; | |
d3e51161 | 2841 | gc->chip_types[0].chip.irq_set_type = rockchip_irq_set_type; |
876d716b | 2842 | gc->wake_enabled = IRQ_MSK(bank->nr_pins); |
d3e51161 | 2843 | |
03051bc2 TG |
2844 | irq_set_chained_handler_and_data(bank->irq, |
2845 | rockchip_irq_demux, bank); | |
07a06ae9 LH |
2846 | |
2847 | /* map the gpio irqs here, when the clock is still running */ | |
2848 | for (j = 0 ; j < 32 ; j++) | |
2849 | irq_create_mapping(bank->domain, j); | |
2850 | ||
2851 | clk_disable(bank->clk); | |
d3e51161 HS |
2852 | } |
2853 | ||
2854 | return 0; | |
2855 | } | |
2856 | ||
2857 | static int rockchip_gpiolib_register(struct platform_device *pdev, | |
2858 | struct rockchip_pinctrl *info) | |
2859 | { | |
2860 | struct rockchip_pin_ctrl *ctrl = info->ctrl; | |
2861 | struct rockchip_pin_bank *bank = ctrl->pin_banks; | |
2862 | struct gpio_chip *gc; | |
2863 | int ret; | |
2864 | int i; | |
2865 | ||
2866 | for (i = 0; i < ctrl->nr_banks; ++i, ++bank) { | |
2867 | if (!bank->valid) { | |
2868 | dev_warn(&pdev->dev, "bank %s is not valid\n", | |
2869 | bank->name); | |
2870 | continue; | |
2871 | } | |
2872 | ||
2873 | bank->gpio_chip = rockchip_gpiolib_chip; | |
2874 | ||
2875 | gc = &bank->gpio_chip; | |
2876 | gc->base = bank->pin_base; | |
2877 | gc->ngpio = bank->nr_pins; | |
58383c78 | 2878 | gc->parent = &pdev->dev; |
d3e51161 HS |
2879 | gc->of_node = bank->of_node; |
2880 | gc->label = bank->name; | |
2881 | ||
03bf81f1 | 2882 | ret = gpiochip_add_data(gc, bank); |
d3e51161 HS |
2883 | if (ret) { |
2884 | dev_err(&pdev->dev, "failed to register gpio_chip %s, error code: %d\n", | |
2885 | gc->label, ret); | |
2886 | goto fail; | |
2887 | } | |
2888 | } | |
2889 | ||
2890 | rockchip_interrupts_register(pdev, info); | |
2891 | ||
2892 | return 0; | |
2893 | ||
2894 | fail: | |
2895 | for (--i, --bank; i >= 0; --i, --bank) { | |
2896 | if (!bank->valid) | |
2897 | continue; | |
b4e7c55d | 2898 | gpiochip_remove(&bank->gpio_chip); |
d3e51161 HS |
2899 | } |
2900 | return ret; | |
2901 | } | |
2902 | ||
2903 | static int rockchip_gpiolib_unregister(struct platform_device *pdev, | |
2904 | struct rockchip_pinctrl *info) | |
2905 | { | |
2906 | struct rockchip_pin_ctrl *ctrl = info->ctrl; | |
2907 | struct rockchip_pin_bank *bank = ctrl->pin_banks; | |
d3e51161 HS |
2908 | int i; |
2909 | ||
b4e7c55d | 2910 | for (i = 0; i < ctrl->nr_banks; ++i, ++bank) { |
d3e51161 HS |
2911 | if (!bank->valid) |
2912 | continue; | |
b4e7c55d | 2913 | gpiochip_remove(&bank->gpio_chip); |
d3e51161 HS |
2914 | } |
2915 | ||
b4e7c55d | 2916 | return 0; |
d3e51161 HS |
2917 | } |
2918 | ||
2919 | static int rockchip_get_bank_data(struct rockchip_pin_bank *bank, | |
622f3237 | 2920 | struct rockchip_pinctrl *info) |
d3e51161 HS |
2921 | { |
2922 | struct resource res; | |
751a99ab | 2923 | void __iomem *base; |
d3e51161 HS |
2924 | |
2925 | if (of_address_to_resource(bank->of_node, 0, &res)) { | |
622f3237 | 2926 | dev_err(info->dev, "cannot find IO resource for bank\n"); |
d3e51161 HS |
2927 | return -ENOENT; |
2928 | } | |
2929 | ||
622f3237 | 2930 | bank->reg_base = devm_ioremap_resource(info->dev, &res); |
d3e51161 HS |
2931 | if (IS_ERR(bank->reg_base)) |
2932 | return PTR_ERR(bank->reg_base); | |
2933 | ||
6ca5274d HS |
2934 | /* |
2935 | * special case, where parts of the pull setting-registers are | |
2936 | * part of the PMU register space | |
2937 | */ | |
2938 | if (of_device_is_compatible(bank->of_node, | |
2939 | "rockchip,rk3188-gpio-bank0")) { | |
a658efaa | 2940 | struct device_node *node; |
bfc7a42a | 2941 | |
a658efaa HS |
2942 | node = of_parse_phandle(bank->of_node->parent, |
2943 | "rockchip,pmu", 0); | |
2944 | if (!node) { | |
2945 | if (of_address_to_resource(bank->of_node, 1, &res)) { | |
2946 | dev_err(info->dev, "cannot find IO resource for bank\n"); | |
2947 | return -ENOENT; | |
2948 | } | |
2949 | ||
2950 | base = devm_ioremap_resource(info->dev, &res); | |
2951 | if (IS_ERR(base)) | |
2952 | return PTR_ERR(base); | |
2953 | rockchip_regmap_config.max_register = | |
2954 | resource_size(&res) - 4; | |
2955 | rockchip_regmap_config.name = | |
2956 | "rockchip,rk3188-gpio-bank0-pull"; | |
2957 | bank->regmap_pull = devm_regmap_init_mmio(info->dev, | |
2958 | base, | |
2959 | &rockchip_regmap_config); | |
6ca5274d | 2960 | } |
6ca5274d | 2961 | } |
65fca613 | 2962 | |
d3e51161 HS |
2963 | bank->irq = irq_of_parse_and_map(bank->of_node, 0); |
2964 | ||
2965 | bank->clk = of_clk_get(bank->of_node, 0); | |
2966 | if (IS_ERR(bank->clk)) | |
2967 | return PTR_ERR(bank->clk); | |
2968 | ||
07a06ae9 | 2969 | return clk_prepare(bank->clk); |
d3e51161 HS |
2970 | } |
2971 | ||
2972 | static const struct of_device_id rockchip_pinctrl_dt_match[]; | |
2973 | ||
2974 | /* retrieve the soc specific data */ | |
2975 | static struct rockchip_pin_ctrl *rockchip_pinctrl_get_soc_data( | |
2976 | struct rockchip_pinctrl *d, | |
2977 | struct platform_device *pdev) | |
2978 | { | |
2979 | const struct of_device_id *match; | |
2980 | struct device_node *node = pdev->dev.of_node; | |
2981 | struct device_node *np; | |
2982 | struct rockchip_pin_ctrl *ctrl; | |
2983 | struct rockchip_pin_bank *bank; | |
b6c23275 | 2984 | int grf_offs, pmu_offs, drv_grf_offs, drv_pmu_offs, i, j; |
d3e51161 HS |
2985 | |
2986 | match = of_match_node(rockchip_pinctrl_dt_match, node); | |
2987 | ctrl = (struct rockchip_pin_ctrl *)match->data; | |
2988 | ||
2989 | for_each_child_of_node(node, np) { | |
2990 | if (!of_find_property(np, "gpio-controller", NULL)) | |
2991 | continue; | |
2992 | ||
2993 | bank = ctrl->pin_banks; | |
2994 | for (i = 0; i < ctrl->nr_banks; ++i, ++bank) { | |
2995 | if (!strcmp(bank->name, np->name)) { | |
2996 | bank->of_node = np; | |
2997 | ||
622f3237 | 2998 | if (!rockchip_get_bank_data(bank, d)) |
d3e51161 HS |
2999 | bank->valid = true; |
3000 | ||
3001 | break; | |
3002 | } | |
3003 | } | |
3004 | } | |
3005 | ||
95ec8ae4 HS |
3006 | grf_offs = ctrl->grf_mux_offset; |
3007 | pmu_offs = ctrl->pmu_mux_offset; | |
b6c23275 DW |
3008 | drv_pmu_offs = ctrl->pmu_drv_offset; |
3009 | drv_grf_offs = ctrl->grf_drv_offset; | |
d3e51161 HS |
3010 | bank = ctrl->pin_banks; |
3011 | for (i = 0; i < ctrl->nr_banks; ++i, ++bank) { | |
6bc0d121 HS |
3012 | int bank_pins = 0; |
3013 | ||
70b7aa7a | 3014 | raw_spin_lock_init(&bank->slock); |
d3e51161 HS |
3015 | bank->drvdata = d; |
3016 | bank->pin_base = ctrl->nr_pins; | |
3017 | ctrl->nr_pins += bank->nr_pins; | |
6bc0d121 | 3018 | |
b6c23275 | 3019 | /* calculate iomux and drv offsets */ |
6bc0d121 HS |
3020 | for (j = 0; j < 4; j++) { |
3021 | struct rockchip_iomux *iom = &bank->iomux[j]; | |
b6c23275 | 3022 | struct rockchip_drv *drv = &bank->drv[j]; |
03716e1d | 3023 | int inc; |
6bc0d121 HS |
3024 | |
3025 | if (bank_pins >= bank->nr_pins) | |
3026 | break; | |
3027 | ||
b6c23275 | 3028 | /* preset iomux offset value, set new start value */ |
6bc0d121 | 3029 | if (iom->offset >= 0) { |
95ec8ae4 HS |
3030 | if (iom->type & IOMUX_SOURCE_PMU) |
3031 | pmu_offs = iom->offset; | |
3032 | else | |
3033 | grf_offs = iom->offset; | |
b6c23275 | 3034 | } else { /* set current iomux offset */ |
95ec8ae4 HS |
3035 | iom->offset = (iom->type & IOMUX_SOURCE_PMU) ? |
3036 | pmu_offs : grf_offs; | |
6bc0d121 HS |
3037 | } |
3038 | ||
b6c23275 DW |
3039 | /* preset drv offset value, set new start value */ |
3040 | if (drv->offset >= 0) { | |
3041 | if (iom->type & IOMUX_SOURCE_PMU) | |
3042 | drv_pmu_offs = drv->offset; | |
3043 | else | |
3044 | drv_grf_offs = drv->offset; | |
3045 | } else { /* set current drv offset */ | |
3046 | drv->offset = (iom->type & IOMUX_SOURCE_PMU) ? | |
3047 | drv_pmu_offs : drv_grf_offs; | |
3048 | } | |
3049 | ||
3050 | dev_dbg(d->dev, "bank %d, iomux %d has iom_offset 0x%x drv_offset 0x%x\n", | |
3051 | i, j, iom->offset, drv->offset); | |
6bc0d121 HS |
3052 | |
3053 | /* | |
3054 | * Increase offset according to iomux width. | |
03716e1d | 3055 | * 4bit iomux'es are spread over two registers. |
6bc0d121 | 3056 | */ |
8b6c6f93 | 3057 | inc = (iom->type & (IOMUX_WIDTH_4BIT | |
3058 | IOMUX_WIDTH_3BIT)) ? 8 : 4; | |
95ec8ae4 HS |
3059 | if (iom->type & IOMUX_SOURCE_PMU) |
3060 | pmu_offs += inc; | |
3061 | else | |
3062 | grf_offs += inc; | |
6bc0d121 | 3063 | |
b6c23275 DW |
3064 | /* |
3065 | * Increase offset according to drv width. | |
3066 | * 3bit drive-strenth'es are spread over two registers. | |
3067 | */ | |
3068 | if ((drv->drv_type == DRV_TYPE_IO_1V8_3V0_AUTO) || | |
3069 | (drv->drv_type == DRV_TYPE_IO_3V3_ONLY)) | |
3070 | inc = 8; | |
3071 | else | |
3072 | inc = 4; | |
3073 | ||
3074 | if (iom->type & IOMUX_SOURCE_PMU) | |
3075 | drv_pmu_offs += inc; | |
3076 | else | |
3077 | drv_grf_offs += inc; | |
3078 | ||
6bc0d121 HS |
3079 | bank_pins += 8; |
3080 | } | |
bd35b9bf | 3081 | |
c04c3fa6 DW |
3082 | /* calculate the per-bank recalced_mask */ |
3083 | for (j = 0; j < ctrl->niomux_recalced; j++) { | |
3084 | int pin = 0; | |
3085 | ||
3086 | if (ctrl->iomux_recalced[j].num == bank->bank_num) { | |
3087 | pin = ctrl->iomux_recalced[j].pin; | |
3088 | bank->recalced_mask |= BIT(pin); | |
3089 | } | |
3090 | } | |
3091 | ||
bd35b9bf DW |
3092 | /* calculate the per-bank route_mask */ |
3093 | for (j = 0; j < ctrl->niomux_routes; j++) { | |
3094 | int pin = 0; | |
3095 | ||
3096 | if (ctrl->iomux_routes[j].bank_num == bank->bank_num) { | |
3097 | pin = ctrl->iomux_routes[j].pin; | |
3098 | bank->route_mask |= BIT(pin); | |
3099 | } | |
3100 | } | |
d3e51161 HS |
3101 | } |
3102 | ||
3103 | return ctrl; | |
3104 | } | |
3105 | ||
8dca9331 CZ |
3106 | #define RK3288_GRF_GPIO6C_IOMUX 0x64 |
3107 | #define GPIO6C6_SEL_WRITE_ENABLE BIT(28) | |
3108 | ||
3109 | static u32 rk3288_grf_gpio6c_iomux; | |
3110 | ||
9198f509 CZ |
3111 | static int __maybe_unused rockchip_pinctrl_suspend(struct device *dev) |
3112 | { | |
3113 | struct rockchip_pinctrl *info = dev_get_drvdata(dev); | |
8dca9331 CZ |
3114 | int ret = pinctrl_force_sleep(info->pctl_dev); |
3115 | ||
3116 | if (ret) | |
3117 | return ret; | |
3118 | ||
3119 | /* | |
3120 | * RK3288 GPIO6_C6 mux would be modified by Maskrom when resume, so save | |
3121 | * the setting here, and restore it at resume. | |
3122 | */ | |
3123 | if (info->ctrl->type == RK3288) { | |
3124 | ret = regmap_read(info->regmap_base, RK3288_GRF_GPIO6C_IOMUX, | |
3125 | &rk3288_grf_gpio6c_iomux); | |
3126 | if (ret) { | |
3127 | pinctrl_force_default(info->pctl_dev); | |
3128 | return ret; | |
3129 | } | |
3130 | } | |
9198f509 | 3131 | |
8dca9331 | 3132 | return 0; |
9198f509 CZ |
3133 | } |
3134 | ||
3135 | static int __maybe_unused rockchip_pinctrl_resume(struct device *dev) | |
3136 | { | |
3137 | struct rockchip_pinctrl *info = dev_get_drvdata(dev); | |
8dca9331 CZ |
3138 | int ret = regmap_write(info->regmap_base, RK3288_GRF_GPIO6C_IOMUX, |
3139 | rk3288_grf_gpio6c_iomux | | |
3140 | GPIO6C6_SEL_WRITE_ENABLE); | |
3141 | ||
3142 | if (ret) | |
3143 | return ret; | |
9198f509 CZ |
3144 | |
3145 | return pinctrl_force_default(info->pctl_dev); | |
3146 | } | |
3147 | ||
3148 | static SIMPLE_DEV_PM_OPS(rockchip_pinctrl_dev_pm_ops, rockchip_pinctrl_suspend, | |
3149 | rockchip_pinctrl_resume); | |
3150 | ||
d3e51161 HS |
3151 | static int rockchip_pinctrl_probe(struct platform_device *pdev) |
3152 | { | |
3153 | struct rockchip_pinctrl *info; | |
3154 | struct device *dev = &pdev->dev; | |
3155 | struct rockchip_pin_ctrl *ctrl; | |
14dee867 | 3156 | struct device_node *np = pdev->dev.of_node, *node; |
d3e51161 | 3157 | struct resource *res; |
751a99ab | 3158 | void __iomem *base; |
d3e51161 HS |
3159 | int ret; |
3160 | ||
3161 | if (!dev->of_node) { | |
3162 | dev_err(dev, "device tree node not found\n"); | |
3163 | return -ENODEV; | |
3164 | } | |
3165 | ||
3166 | info = devm_kzalloc(dev, sizeof(struct rockchip_pinctrl), GFP_KERNEL); | |
3167 | if (!info) | |
3168 | return -ENOMEM; | |
3169 | ||
622f3237 HS |
3170 | info->dev = dev; |
3171 | ||
d3e51161 HS |
3172 | ctrl = rockchip_pinctrl_get_soc_data(info, pdev); |
3173 | if (!ctrl) { | |
3174 | dev_err(dev, "driver data not available\n"); | |
3175 | return -EINVAL; | |
3176 | } | |
3177 | info->ctrl = ctrl; | |
d3e51161 | 3178 | |
1e747e59 HS |
3179 | node = of_parse_phandle(np, "rockchip,grf", 0); |
3180 | if (node) { | |
3181 | info->regmap_base = syscon_node_to_regmap(node); | |
3182 | if (IS_ERR(info->regmap_base)) | |
3183 | return PTR_ERR(info->regmap_base); | |
3184 | } else { | |
3185 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); | |
751a99ab HS |
3186 | base = devm_ioremap_resource(&pdev->dev, res); |
3187 | if (IS_ERR(base)) | |
3188 | return PTR_ERR(base); | |
3189 | ||
3190 | rockchip_regmap_config.max_register = resource_size(res) - 4; | |
1e747e59 HS |
3191 | rockchip_regmap_config.name = "rockchip,pinctrl"; |
3192 | info->regmap_base = devm_regmap_init_mmio(&pdev->dev, base, | |
3193 | &rockchip_regmap_config); | |
3194 | ||
3195 | /* to check for the old dt-bindings */ | |
3196 | info->reg_size = resource_size(res); | |
3197 | ||
3198 | /* Honor the old binding, with pull registers as 2nd resource */ | |
3199 | if (ctrl->type == RK3188 && info->reg_size < 0x200) { | |
3200 | res = platform_get_resource(pdev, IORESOURCE_MEM, 1); | |
3201 | base = devm_ioremap_resource(&pdev->dev, res); | |
3202 | if (IS_ERR(base)) | |
3203 | return PTR_ERR(base); | |
3204 | ||
3205 | rockchip_regmap_config.max_register = | |
3206 | resource_size(res) - 4; | |
3207 | rockchip_regmap_config.name = "rockchip,pinctrl-pull"; | |
3208 | info->regmap_pull = devm_regmap_init_mmio(&pdev->dev, | |
3209 | base, | |
3210 | &rockchip_regmap_config); | |
3211 | } | |
6ca5274d HS |
3212 | } |
3213 | ||
14dee867 HS |
3214 | /* try to find the optional reference to the pmu syscon */ |
3215 | node = of_parse_phandle(np, "rockchip,pmu", 0); | |
3216 | if (node) { | |
3217 | info->regmap_pmu = syscon_node_to_regmap(node); | |
3218 | if (IS_ERR(info->regmap_pmu)) | |
3219 | return PTR_ERR(info->regmap_pmu); | |
3220 | } | |
3221 | ||
d3e51161 HS |
3222 | ret = rockchip_gpiolib_register(pdev, info); |
3223 | if (ret) | |
3224 | return ret; | |
3225 | ||
3226 | ret = rockchip_pinctrl_register(pdev, info); | |
3227 | if (ret) { | |
3228 | rockchip_gpiolib_unregister(pdev, info); | |
3229 | return ret; | |
3230 | } | |
3231 | ||
3232 | platform_set_drvdata(pdev, info); | |
3233 | ||
3234 | return 0; | |
3235 | } | |
3236 | ||
b9c6dcab | 3237 | static struct rockchip_pin_bank rv1108_pin_banks[] = { |
688daf23 AY |
3238 | PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_SOURCE_PMU, |
3239 | IOMUX_SOURCE_PMU, | |
3240 | IOMUX_SOURCE_PMU, | |
3241 | IOMUX_SOURCE_PMU), | |
3242 | PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", 0, 0, 0, 0), | |
3243 | PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", 0, 0, 0, 0), | |
3244 | PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3", 0, 0, 0, 0), | |
3245 | }; | |
3246 | ||
b9c6dcab AY |
3247 | static struct rockchip_pin_ctrl rv1108_pin_ctrl = { |
3248 | .pin_banks = rv1108_pin_banks, | |
3249 | .nr_banks = ARRAY_SIZE(rv1108_pin_banks), | |
3250 | .label = "RV1108-GPIO", | |
3251 | .type = RV1108, | |
688daf23 AY |
3252 | .grf_mux_offset = 0x10, |
3253 | .pmu_mux_offset = 0x0, | |
12b8f018 DW |
3254 | .iomux_recalced = rv1108_mux_recalced_data, |
3255 | .niomux_recalced = ARRAY_SIZE(rv1108_mux_recalced_data), | |
b9c6dcab AY |
3256 | .pull_calc_reg = rv1108_calc_pull_reg_and_bit, |
3257 | .drv_calc_reg = rv1108_calc_drv_reg_and_bit, | |
5caff7ea | 3258 | .schmitt_calc_reg = rv1108_calc_schmitt_reg_and_bit, |
688daf23 AY |
3259 | }; |
3260 | ||
d3e51161 HS |
3261 | static struct rockchip_pin_bank rk2928_pin_banks[] = { |
3262 | PIN_BANK(0, 32, "gpio0"), | |
3263 | PIN_BANK(1, 32, "gpio1"), | |
3264 | PIN_BANK(2, 32, "gpio2"), | |
3265 | PIN_BANK(3, 32, "gpio3"), | |
3266 | }; | |
3267 | ||
3268 | static struct rockchip_pin_ctrl rk2928_pin_ctrl = { | |
3269 | .pin_banks = rk2928_pin_banks, | |
3270 | .nr_banks = ARRAY_SIZE(rk2928_pin_banks), | |
3271 | .label = "RK2928-GPIO", | |
a282926d | 3272 | .type = RK2928, |
95ec8ae4 | 3273 | .grf_mux_offset = 0xa8, |
a282926d | 3274 | .pull_calc_reg = rk2928_calc_pull_reg_and_bit, |
d3e51161 HS |
3275 | }; |
3276 | ||
c5ce7670 XZ |
3277 | static struct rockchip_pin_bank rk3036_pin_banks[] = { |
3278 | PIN_BANK(0, 32, "gpio0"), | |
3279 | PIN_BANK(1, 32, "gpio1"), | |
3280 | PIN_BANK(2, 32, "gpio2"), | |
3281 | }; | |
3282 | ||
3283 | static struct rockchip_pin_ctrl rk3036_pin_ctrl = { | |
3284 | .pin_banks = rk3036_pin_banks, | |
3285 | .nr_banks = ARRAY_SIZE(rk3036_pin_banks), | |
3286 | .label = "RK3036-GPIO", | |
3287 | .type = RK2928, | |
3288 | .grf_mux_offset = 0xa8, | |
3289 | .pull_calc_reg = rk2928_calc_pull_reg_and_bit, | |
3290 | }; | |
3291 | ||
d3e51161 HS |
3292 | static struct rockchip_pin_bank rk3066a_pin_banks[] = { |
3293 | PIN_BANK(0, 32, "gpio0"), | |
3294 | PIN_BANK(1, 32, "gpio1"), | |
3295 | PIN_BANK(2, 32, "gpio2"), | |
3296 | PIN_BANK(3, 32, "gpio3"), | |
3297 | PIN_BANK(4, 32, "gpio4"), | |
3298 | PIN_BANK(6, 16, "gpio6"), | |
3299 | }; | |
3300 | ||
3301 | static struct rockchip_pin_ctrl rk3066a_pin_ctrl = { | |
3302 | .pin_banks = rk3066a_pin_banks, | |
3303 | .nr_banks = ARRAY_SIZE(rk3066a_pin_banks), | |
3304 | .label = "RK3066a-GPIO", | |
a282926d | 3305 | .type = RK2928, |
95ec8ae4 | 3306 | .grf_mux_offset = 0xa8, |
a282926d | 3307 | .pull_calc_reg = rk2928_calc_pull_reg_and_bit, |
d3e51161 HS |
3308 | }; |
3309 | ||
3310 | static struct rockchip_pin_bank rk3066b_pin_banks[] = { | |
3311 | PIN_BANK(0, 32, "gpio0"), | |
3312 | PIN_BANK(1, 32, "gpio1"), | |
3313 | PIN_BANK(2, 32, "gpio2"), | |
3314 | PIN_BANK(3, 32, "gpio3"), | |
3315 | }; | |
3316 | ||
3317 | static struct rockchip_pin_ctrl rk3066b_pin_ctrl = { | |
3318 | .pin_banks = rk3066b_pin_banks, | |
3319 | .nr_banks = ARRAY_SIZE(rk3066b_pin_banks), | |
3320 | .label = "RK3066b-GPIO", | |
a282926d | 3321 | .type = RK3066B, |
95ec8ae4 | 3322 | .grf_mux_offset = 0x60, |
d3e51161 HS |
3323 | }; |
3324 | ||
d23c66df DW |
3325 | static struct rockchip_pin_bank rk3128_pin_banks[] = { |
3326 | PIN_BANK(0, 32, "gpio0"), | |
3327 | PIN_BANK(1, 32, "gpio1"), | |
3328 | PIN_BANK(2, 32, "gpio2"), | |
3329 | PIN_BANK(3, 32, "gpio3"), | |
3330 | }; | |
3331 | ||
3332 | static struct rockchip_pin_ctrl rk3128_pin_ctrl = { | |
3333 | .pin_banks = rk3128_pin_banks, | |
3334 | .nr_banks = ARRAY_SIZE(rk3128_pin_banks), | |
3335 | .label = "RK3128-GPIO", | |
3336 | .type = RK3128, | |
3337 | .grf_mux_offset = 0xa8, | |
3338 | .iomux_recalced = rk3128_mux_recalced_data, | |
3339 | .niomux_recalced = ARRAY_SIZE(rk3128_mux_recalced_data), | |
3340 | .iomux_routes = rk3128_mux_route_data, | |
3341 | .niomux_routes = ARRAY_SIZE(rk3128_mux_route_data), | |
3342 | .pull_calc_reg = rk3128_calc_pull_reg_and_bit, | |
3343 | }; | |
3344 | ||
d3e51161 | 3345 | static struct rockchip_pin_bank rk3188_pin_banks[] = { |
fc72c923 | 3346 | PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_GPIO_ONLY, 0, 0, 0), |
d3e51161 HS |
3347 | PIN_BANK(1, 32, "gpio1"), |
3348 | PIN_BANK(2, 32, "gpio2"), | |
3349 | PIN_BANK(3, 32, "gpio3"), | |
3350 | }; | |
3351 | ||
3352 | static struct rockchip_pin_ctrl rk3188_pin_ctrl = { | |
3353 | .pin_banks = rk3188_pin_banks, | |
3354 | .nr_banks = ARRAY_SIZE(rk3188_pin_banks), | |
3355 | .label = "RK3188-GPIO", | |
a282926d | 3356 | .type = RK3188, |
95ec8ae4 | 3357 | .grf_mux_offset = 0x60, |
6ca5274d | 3358 | .pull_calc_reg = rk3188_calc_pull_reg_and_bit, |
d3e51161 HS |
3359 | }; |
3360 | ||
fea0fe60 JC |
3361 | static struct rockchip_pin_bank rk3228_pin_banks[] = { |
3362 | PIN_BANK(0, 32, "gpio0"), | |
3363 | PIN_BANK(1, 32, "gpio1"), | |
3364 | PIN_BANK(2, 32, "gpio2"), | |
3365 | PIN_BANK(3, 32, "gpio3"), | |
3366 | }; | |
3367 | ||
3368 | static struct rockchip_pin_ctrl rk3228_pin_ctrl = { | |
3369 | .pin_banks = rk3228_pin_banks, | |
3370 | .nr_banks = ARRAY_SIZE(rk3228_pin_banks), | |
3371 | .label = "RK3228-GPIO", | |
3372 | .type = RK3288, | |
3373 | .grf_mux_offset = 0x0, | |
d4970ee0 DW |
3374 | .iomux_routes = rk3228_mux_route_data, |
3375 | .niomux_routes = ARRAY_SIZE(rk3228_mux_route_data), | |
fea0fe60 JC |
3376 | .pull_calc_reg = rk3228_calc_pull_reg_and_bit, |
3377 | .drv_calc_reg = rk3228_calc_drv_reg_and_bit, | |
3378 | }; | |
3379 | ||
304f077d HS |
3380 | static struct rockchip_pin_bank rk3288_pin_banks[] = { |
3381 | PIN_BANK_IOMUX_FLAGS(0, 24, "gpio0", IOMUX_SOURCE_PMU, | |
3382 | IOMUX_SOURCE_PMU, | |
3383 | IOMUX_SOURCE_PMU, | |
3384 | IOMUX_UNROUTED | |
3385 | ), | |
3386 | PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", IOMUX_UNROUTED, | |
3387 | IOMUX_UNROUTED, | |
3388 | IOMUX_UNROUTED, | |
3389 | 0 | |
3390 | ), | |
3391 | PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", 0, 0, 0, IOMUX_UNROUTED), | |
3392 | PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3", 0, 0, 0, IOMUX_WIDTH_4BIT), | |
3393 | PIN_BANK_IOMUX_FLAGS(4, 32, "gpio4", IOMUX_WIDTH_4BIT, | |
3394 | IOMUX_WIDTH_4BIT, | |
3395 | 0, | |
3396 | 0 | |
3397 | ), | |
3398 | PIN_BANK_IOMUX_FLAGS(5, 32, "gpio5", IOMUX_UNROUTED, | |
3399 | 0, | |
3400 | 0, | |
3401 | IOMUX_UNROUTED | |
3402 | ), | |
3403 | PIN_BANK_IOMUX_FLAGS(6, 32, "gpio6", 0, 0, 0, IOMUX_UNROUTED), | |
3404 | PIN_BANK_IOMUX_FLAGS(7, 32, "gpio7", 0, | |
3405 | 0, | |
3406 | IOMUX_WIDTH_4BIT, | |
3407 | IOMUX_UNROUTED | |
3408 | ), | |
3409 | PIN_BANK(8, 16, "gpio8"), | |
3410 | }; | |
3411 | ||
3412 | static struct rockchip_pin_ctrl rk3288_pin_ctrl = { | |
3413 | .pin_banks = rk3288_pin_banks, | |
3414 | .nr_banks = ARRAY_SIZE(rk3288_pin_banks), | |
3415 | .label = "RK3288-GPIO", | |
66d750e1 | 3416 | .type = RK3288, |
304f077d HS |
3417 | .grf_mux_offset = 0x0, |
3418 | .pmu_mux_offset = 0x84, | |
4e96fd30 HS |
3419 | .iomux_routes = rk3288_mux_route_data, |
3420 | .niomux_routes = ARRAY_SIZE(rk3288_mux_route_data), | |
304f077d | 3421 | .pull_calc_reg = rk3288_calc_pull_reg_and_bit, |
ef17f69f | 3422 | .drv_calc_reg = rk3288_calc_drv_reg_and_bit, |
304f077d HS |
3423 | }; |
3424 | ||
3818e4a7 | 3425 | static struct rockchip_pin_bank rk3328_pin_banks[] = { |
3426 | PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", 0, 0, 0, 0), | |
3427 | PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", 0, 0, 0, 0), | |
3428 | PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", 0, | |
c04c3fa6 DW |
3429 | IOMUX_WIDTH_3BIT, |
3430 | IOMUX_WIDTH_3BIT, | |
3818e4a7 | 3431 | 0), |
3432 | PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3", | |
3433 | IOMUX_WIDTH_3BIT, | |
c04c3fa6 | 3434 | IOMUX_WIDTH_3BIT, |
3818e4a7 | 3435 | 0, |
3436 | 0), | |
3437 | }; | |
3438 | ||
3439 | static struct rockchip_pin_ctrl rk3328_pin_ctrl = { | |
3440 | .pin_banks = rk3328_pin_banks, | |
3441 | .nr_banks = ARRAY_SIZE(rk3328_pin_banks), | |
3442 | .label = "RK3328-GPIO", | |
3443 | .type = RK3288, | |
3444 | .grf_mux_offset = 0x0, | |
c04c3fa6 DW |
3445 | .iomux_recalced = rk3328_mux_recalced_data, |
3446 | .niomux_recalced = ARRAY_SIZE(rk3328_mux_recalced_data), | |
cedc964a DW |
3447 | .iomux_routes = rk3328_mux_route_data, |
3448 | .niomux_routes = ARRAY_SIZE(rk3328_mux_route_data), | |
3818e4a7 | 3449 | .pull_calc_reg = rk3228_calc_pull_reg_and_bit, |
3450 | .drv_calc_reg = rk3228_calc_drv_reg_and_bit, | |
728d3f5a | 3451 | .schmitt_calc_reg = rk3328_calc_schmitt_reg_and_bit, |
3818e4a7 | 3452 | }; |
3453 | ||
daecdc66 HS |
3454 | static struct rockchip_pin_bank rk3368_pin_banks[] = { |
3455 | PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_SOURCE_PMU, | |
3456 | IOMUX_SOURCE_PMU, | |
3457 | IOMUX_SOURCE_PMU, | |
3458 | IOMUX_SOURCE_PMU | |
3459 | ), | |
3460 | PIN_BANK(1, 32, "gpio1"), | |
3461 | PIN_BANK(2, 32, "gpio2"), | |
3462 | PIN_BANK(3, 32, "gpio3"), | |
3463 | }; | |
3464 | ||
3465 | static struct rockchip_pin_ctrl rk3368_pin_ctrl = { | |
3466 | .pin_banks = rk3368_pin_banks, | |
3467 | .nr_banks = ARRAY_SIZE(rk3368_pin_banks), | |
3468 | .label = "RK3368-GPIO", | |
3469 | .type = RK3368, | |
3470 | .grf_mux_offset = 0x0, | |
3471 | .pmu_mux_offset = 0x0, | |
3472 | .pull_calc_reg = rk3368_calc_pull_reg_and_bit, | |
3473 | .drv_calc_reg = rk3368_calc_drv_reg_and_bit, | |
3474 | }; | |
3475 | ||
b6c23275 | 3476 | static struct rockchip_pin_bank rk3399_pin_banks[] = { |
3ba6767a DW |
3477 | PIN_BANK_IOMUX_FLAGS_DRV_FLAGS_OFFSET_PULL_FLAGS(0, 32, "gpio0", |
3478 | IOMUX_SOURCE_PMU, | |
3479 | IOMUX_SOURCE_PMU, | |
3480 | IOMUX_SOURCE_PMU, | |
3481 | IOMUX_SOURCE_PMU, | |
3482 | DRV_TYPE_IO_1V8_ONLY, | |
3483 | DRV_TYPE_IO_1V8_ONLY, | |
3484 | DRV_TYPE_IO_DEFAULT, | |
3485 | DRV_TYPE_IO_DEFAULT, | |
c437f65c DW |
3486 | 0x80, |
3487 | 0x88, | |
3ba6767a DW |
3488 | -1, |
3489 | -1, | |
3490 | PULL_TYPE_IO_1V8_ONLY, | |
3491 | PULL_TYPE_IO_1V8_ONLY, | |
3492 | PULL_TYPE_IO_DEFAULT, | |
3493 | PULL_TYPE_IO_DEFAULT | |
3494 | ), | |
b6c23275 DW |
3495 | PIN_BANK_IOMUX_DRV_FLAGS_OFFSET(1, 32, "gpio1", IOMUX_SOURCE_PMU, |
3496 | IOMUX_SOURCE_PMU, | |
3497 | IOMUX_SOURCE_PMU, | |
3498 | IOMUX_SOURCE_PMU, | |
3499 | DRV_TYPE_IO_1V8_OR_3V0, | |
3500 | DRV_TYPE_IO_1V8_OR_3V0, | |
3501 | DRV_TYPE_IO_1V8_OR_3V0, | |
3502 | DRV_TYPE_IO_1V8_OR_3V0, | |
c437f65c DW |
3503 | 0xa0, |
3504 | 0xa8, | |
3505 | 0xb0, | |
3506 | 0xb8 | |
b6c23275 | 3507 | ), |
3ba6767a DW |
3508 | PIN_BANK_DRV_FLAGS_PULL_FLAGS(2, 32, "gpio2", DRV_TYPE_IO_1V8_OR_3V0, |
3509 | DRV_TYPE_IO_1V8_OR_3V0, | |
3510 | DRV_TYPE_IO_1V8_ONLY, | |
3511 | DRV_TYPE_IO_1V8_ONLY, | |
3512 | PULL_TYPE_IO_DEFAULT, | |
3513 | PULL_TYPE_IO_DEFAULT, | |
3514 | PULL_TYPE_IO_1V8_ONLY, | |
3515 | PULL_TYPE_IO_1V8_ONLY | |
3516 | ), | |
b6c23275 DW |
3517 | PIN_BANK_DRV_FLAGS(3, 32, "gpio3", DRV_TYPE_IO_3V3_ONLY, |
3518 | DRV_TYPE_IO_3V3_ONLY, | |
3519 | DRV_TYPE_IO_3V3_ONLY, | |
3520 | DRV_TYPE_IO_1V8_OR_3V0 | |
3521 | ), | |
3522 | PIN_BANK_DRV_FLAGS(4, 32, "gpio4", DRV_TYPE_IO_1V8_OR_3V0, | |
3523 | DRV_TYPE_IO_1V8_3V0_AUTO, | |
3524 | DRV_TYPE_IO_1V8_OR_3V0, | |
3525 | DRV_TYPE_IO_1V8_OR_3V0 | |
3526 | ), | |
3527 | }; | |
3528 | ||
3529 | static struct rockchip_pin_ctrl rk3399_pin_ctrl = { | |
3530 | .pin_banks = rk3399_pin_banks, | |
3531 | .nr_banks = ARRAY_SIZE(rk3399_pin_banks), | |
3532 | .label = "RK3399-GPIO", | |
3533 | .type = RK3399, | |
3534 | .grf_mux_offset = 0xe000, | |
3535 | .pmu_mux_offset = 0x0, | |
3536 | .grf_drv_offset = 0xe100, | |
3537 | .pmu_drv_offset = 0x80, | |
accc1ce7 DW |
3538 | .iomux_routes = rk3399_mux_route_data, |
3539 | .niomux_routes = ARRAY_SIZE(rk3399_mux_route_data), | |
b6c23275 DW |
3540 | .pull_calc_reg = rk3399_calc_pull_reg_and_bit, |
3541 | .drv_calc_reg = rk3399_calc_drv_reg_and_bit, | |
3542 | }; | |
daecdc66 | 3543 | |
d3e51161 | 3544 | static const struct of_device_id rockchip_pinctrl_dt_match[] = { |
b9c6dcab | 3545 | { .compatible = "rockchip,rv1108-pinctrl", |
cdbbd26f | 3546 | .data = &rv1108_pin_ctrl }, |
d3e51161 | 3547 | { .compatible = "rockchip,rk2928-pinctrl", |
cdbbd26f | 3548 | .data = &rk2928_pin_ctrl }, |
c5ce7670 | 3549 | { .compatible = "rockchip,rk3036-pinctrl", |
cdbbd26f | 3550 | .data = &rk3036_pin_ctrl }, |
d3e51161 | 3551 | { .compatible = "rockchip,rk3066a-pinctrl", |
cdbbd26f | 3552 | .data = &rk3066a_pin_ctrl }, |
d3e51161 | 3553 | { .compatible = "rockchip,rk3066b-pinctrl", |
cdbbd26f | 3554 | .data = &rk3066b_pin_ctrl }, |
d23c66df DW |
3555 | { .compatible = "rockchip,rk3128-pinctrl", |
3556 | .data = (void *)&rk3128_pin_ctrl }, | |
d3e51161 | 3557 | { .compatible = "rockchip,rk3188-pinctrl", |
cdbbd26f | 3558 | .data = &rk3188_pin_ctrl }, |
fea0fe60 | 3559 | { .compatible = "rockchip,rk3228-pinctrl", |
cdbbd26f | 3560 | .data = &rk3228_pin_ctrl }, |
304f077d | 3561 | { .compatible = "rockchip,rk3288-pinctrl", |
cdbbd26f | 3562 | .data = &rk3288_pin_ctrl }, |
3818e4a7 | 3563 | { .compatible = "rockchip,rk3328-pinctrl", |
cdbbd26f | 3564 | .data = &rk3328_pin_ctrl }, |
daecdc66 | 3565 | { .compatible = "rockchip,rk3368-pinctrl", |
cdbbd26f | 3566 | .data = &rk3368_pin_ctrl }, |
b6c23275 | 3567 | { .compatible = "rockchip,rk3399-pinctrl", |
cdbbd26f | 3568 | .data = &rk3399_pin_ctrl }, |
d3e51161 HS |
3569 | {}, |
3570 | }; | |
d3e51161 HS |
3571 | |
3572 | static struct platform_driver rockchip_pinctrl_driver = { | |
3573 | .probe = rockchip_pinctrl_probe, | |
3574 | .driver = { | |
3575 | .name = "rockchip-pinctrl", | |
9198f509 | 3576 | .pm = &rockchip_pinctrl_dev_pm_ops, |
0be9e70d | 3577 | .of_match_table = rockchip_pinctrl_dt_match, |
d3e51161 HS |
3578 | }, |
3579 | }; | |
3580 | ||
3581 | static int __init rockchip_pinctrl_drv_register(void) | |
3582 | { | |
3583 | return platform_driver_register(&rockchip_pinctrl_driver); | |
3584 | } | |
3585 | postcore_initcall(rockchip_pinctrl_drv_register); |