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[mirror_ubuntu-hirsute-kernel.git] / arch / arm / mach-omap2 / pdata-quirks.c
CommitLineData
6a08e1e6
TL
1/*
2 * Legacy platform_data quirks
3 *
4 * Copyright (C) 2013 Texas Instruments
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10#include <linux/clk.h>
71900314 11#include <linux/davinci_emac.h>
5f0a2c69 12#include <linux/gpio.h>
6a08e1e6
TL
13#include <linux/init.h>
14#include <linux/kernel.h>
8651bd8c 15#include <linux/of_platform.h>
d565b5f4 16#include <linux/ti_wilink_st.h>
5f0a2c69 17#include <linux/wl12xx.h>
6a08e1e6 18
30a69ef7 19#include <linux/platform_data/pinctrl-single.h>
910f1678 20#include <linux/platform_data/iommu-omap.h>
30a69ef7 21
6a08e1e6
TL
22#include "common.h"
23#include "common-board-devices.h"
24#include "dss-common.h"
faf4bd47 25#include "control.h"
910f1678 26#include "omap_device.h"
deff82e6
SR
27#include "omap-secure.h"
28#include "soc.h"
6a08e1e6
TL
29
30struct pdata_init {
31 const char *compatible;
32 void (*fn)(void);
33};
34
fa590c92 35struct of_dev_auxdata omap_auxdata_lookup[];
dad12d11 36static struct twl4030_gpio_platform_data twl_gpio_auxdata;
fa590c92 37
5f0a2c69
TL
38#if IS_ENABLED(CONFIG_WL12XX)
39
40static struct wl12xx_platform_data wl12xx __initdata;
41
42static void __init __used legacy_init_wl12xx(unsigned ref_clock,
43 unsigned tcxo_clock,
44 int gpio)
45{
46 int res;
47
48 wl12xx.board_ref_clock = ref_clock;
49 wl12xx.board_tcxo_clock = tcxo_clock;
50 wl12xx.irq = gpio_to_irq(gpio);
51
52 res = wl12xx_set_platform_data(&wl12xx);
53 if (res) {
54 pr_err("error setting wl12xx data: %d\n", res);
55 return;
56 }
57}
58#else
59static inline void legacy_init_wl12xx(unsigned ref_clock,
60 unsigned tcxo_clock,
61 int gpio)
62{
63}
64#endif
65
fa590c92
TL
66#ifdef CONFIG_MACH_NOKIA_N8X0
67static void __init omap2420_n8x0_legacy_init(void)
68{
69 omap_auxdata_lookup[0].platform_data = n8x0_legacy_init();
70}
71#else
72#define omap2420_n8x0_legacy_init NULL
73#endif
74
faf4bd47
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75#ifdef CONFIG_ARCH_OMAP3
76static void __init hsmmc2_internal_input_clk(void)
77{
78 u32 reg;
79
80 reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
81 reg |= OMAP2_MMCSDIO2ADPCLKISEL;
82 omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
83}
15c9887e 84
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SA
85static struct iommu_platform_data omap3_iommu_pdata = {
86 .reset_name = "mmu",
87 .assert_reset = omap_device_assert_hardreset,
88 .deassert_reset = omap_device_deassert_hardreset,
89};
90
0f0cfc69
TL
91static int omap3_sbc_t3730_twl_callback(struct device *dev,
92 unsigned gpio,
93 unsigned ngpio)
94{
95 int res;
96
97 res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
d234e423 98 "wlan pwr");
0f0cfc69
TL
99 if (res)
100 return res;
101
102 gpio_export(gpio, 0);
103
104 return 0;
105}
106
b62d91e5
DL
107static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name)
108{
109 int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name);
110
111 if (err) {
112 pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
113 hub_name, err);
114 return;
115 }
116
117 gpio_export(gpio, 0);
118
119 udelay(10);
120 gpio_set_value(gpio, 1);
121 msleep(1);
122}
123
0f0cfc69
TL
124static void __init omap3_sbc_t3730_twl_init(void)
125{
126 twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback;
127}
128
129static void __init omap3_sbc_t3730_legacy_init(void)
130{
b62d91e5 131 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
0f0cfc69 132 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 136);
0f0cfc69
TL
133}
134
40ecc02e
DL
135static void __init omap3_sbc_t3530_legacy_init(void)
136{
b62d91e5 137 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
40ecc02e
DL
138}
139
d565b5f4
EBS
140struct ti_st_plat_data wilink_pdata = {
141 .nshutdown_gpio = 137,
142 .dev_name = "/dev/ttyO1",
143 .flow_cntrl = 1,
144 .baud_rate = 300000,
145};
146
147static struct platform_device wl18xx_device = {
148 .name = "kim",
149 .id = -1,
150 .dev = {
151 .platform_data = &wilink_pdata,
152 }
153};
154
155static struct platform_device btwilink_device = {
156 .name = "btwilink",
157 .id = -1,
158};
159
160static void __init omap3_igep0020_rev_f_legacy_init(void)
161{
162 legacy_init_wl12xx(0, 0, 177);
163 platform_device_register(&wl18xx_device);
164 platform_device_register(&btwilink_device);
165}
166
167static void __init omap3_igep0030_rev_g_legacy_init(void)
15c9887e 168{
d565b5f4
EBS
169 legacy_init_wl12xx(0, 0, 136);
170 platform_device_register(&wl18xx_device);
171 platform_device_register(&btwilink_device);
15c9887e 172}
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TL
173
174static void __init omap3_evm_legacy_init(void)
175{
176 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 149);
177}
178
179static void __init omap3_zoom_legacy_init(void)
180{
181 legacy_init_wl12xx(WL12XX_REFCLOCK_26, 0, 162);
182}
71900314
TL
183
184static void am35xx_enable_emac_int(void)
185{
186 u32 v;
187
188 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
189 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR |
190 AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR);
191 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
192 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
193}
194
195static void am35xx_disable_emac_int(void)
196{
197 u32 v;
198
199 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
200 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR);
201 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
202 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
203}
204
205static struct emac_platform_data am35xx_emac_pdata = {
206 .interrupt_enable = am35xx_enable_emac_int,
207 .interrupt_disable = am35xx_disable_emac_int,
208};
209
fb45105a 210static void __init am35xx_emac_reset(void)
71900314
TL
211{
212 u32 v;
213
214 v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
215 v &= ~AM35XX_CPGMACSS_SW_RST;
216 omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
217 omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */
218}
deff82e6 219
fb45105a
DL
220static struct gpio cm_t3517_wlan_gpios[] __initdata = {
221 { 56, GPIOF_OUT_INIT_HIGH, "wlan pwr" },
222 { 4, GPIOF_OUT_INIT_HIGH, "xcvr noe" },
223};
224
225static void __init omap3_sbc_t3517_wifi_init(void)
226{
227 int err = gpio_request_array(cm_t3517_wlan_gpios,
228 ARRAY_SIZE(cm_t3517_wlan_gpios));
229 if (err) {
230 pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err);
231 return;
232 }
233
234 gpio_export(cm_t3517_wlan_gpios[0].gpio, 0);
235 gpio_export(cm_t3517_wlan_gpios[1].gpio, 0);
236
237 msleep(100);
238 gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0);
239}
240
241static void __init omap3_sbc_t3517_legacy_init(void)
242{
b62d91e5
DL
243 omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
244 omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
fb45105a
DL
245 am35xx_emac_reset();
246 hsmmc2_internal_input_clk();
247 omap3_sbc_t3517_wifi_init();
248 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 145);
fb45105a
DL
249}
250
251static void __init am3517_evm_legacy_init(void)
252{
253 am35xx_emac_reset();
254}
f83ccb93 255
14c0a5b4
SR
256static struct platform_device omap3_rom_rng_device = {
257 .name = "omap3-rom-rng",
258 .id = -1,
259 .dev = {
260 .platform_data = rx51_secure_rng_call,
261 },
262};
263
deff82e6
SR
264static void __init nokia_n900_legacy_init(void)
265{
266 hsmmc2_internal_input_clk();
267
268 if (omap_type() == OMAP2_DEVICE_TYPE_SEC) {
269 if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) {
270 pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
271 /* set IBE to 1 */
272 rx51_secure_update_aux_cr(BIT(6), 0);
273 } else {
3d0cb73e
JP
274 pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
275 pr_warn("Thumb binaries may crash randomly without this workaround\n");
deff82e6 276 }
14c0a5b4
SR
277
278 pr_info("RX-51: Registring OMAP3 HWRNG device\n");
279 platform_device_register(&omap3_rom_rng_device);
280
deff82e6
SR
281 }
282}
63dd5bc0
SR
283
284static void __init omap3_tao3530_legacy_init(void)
285{
286 hsmmc2_internal_input_clk();
deff82e6 287}
faf4bd47
AK
288#endif /* CONFIG_ARCH_OMAP3 */
289
3e7a3185
TL
290#ifdef CONFIG_ARCH_OMAP4
291static void __init omap4_sdp_legacy_init(void)
292{
5f0a2c69
TL
293 legacy_init_wl12xx(WL12XX_REFCLOCK_26,
294 WL12XX_TCXOCLOCK_26, 53);
3e7a3185
TL
295}
296
297static void __init omap4_panda_legacy_init(void)
298{
5f0a2c69 299 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 53);
3e7a3185 300}
95eb894e
JE
301
302static void __init var_som_om44_legacy_init(void)
303{
304 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 41);
305}
3e7a3185
TL
306#endif
307
67eb1e6e 308#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
910f1678
SA
309static struct iommu_platform_data omap4_iommu_pdata = {
310 .reset_name = "mmu_cache",
311 .assert_reset = omap_device_assert_hardreset,
312 .deassert_reset = omap_device_deassert_hardreset,
313};
3e7a3185
TL
314#endif
315
90f4f01b
IK
316#ifdef CONFIG_SOC_AM33XX
317static void __init am335x_evmsk_legacy_init(void)
318{
319 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 31);
320}
321#endif
322
3e7a3185
TL
323#ifdef CONFIG_SOC_OMAP5
324static void __init omap5_uevm_legacy_init(void)
325{
3e7a3185
TL
326}
327#endif
328
30a69ef7
TL
329static struct pcs_pdata pcs_pdata;
330
331void omap_pcs_legacy_init(int irq, void (*rearm)(void))
332{
333 pcs_pdata.irq = irq;
334 pcs_pdata.rearm = rearm;
335}
336
dad12d11
TL
337/*
338 * GPIOs for TWL are initialized by the I2C bus and need custom
339 * handing until DSS has device tree bindings.
340 */
341void omap_auxdata_legacy_init(struct device *dev)
342{
343 if (dev->platform_data)
344 return;
345
346 if (strcmp("twl4030-gpio", dev_name(dev)))
347 return;
348
349 dev->platform_data = &twl_gpio_auxdata;
350}
351
036582f7
TL
352/*
353 * Few boards still need auxdata populated before we populate
354 * the dev entries in of_platform_populate().
355 */
356static struct pdata_init auxdata_quirks[] __initdata = {
fa590c92
TL
357#ifdef CONFIG_SOC_OMAP2420
358 { "nokia,n800", omap2420_n8x0_legacy_init, },
359 { "nokia,n810", omap2420_n8x0_legacy_init, },
360 { "nokia,n810-wimax", omap2420_n8x0_legacy_init, },
0f0cfc69
TL
361#endif
362#ifdef CONFIG_ARCH_OMAP3
363 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
fa590c92 364#endif
036582f7
TL
365 { /* sentinel */ },
366};
367
8651bd8c 368struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
036582f7
TL
369#ifdef CONFIG_MACH_NOKIA_N8X0
370 OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
e92ce89c
FB
371 OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data),
372 OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data),
036582f7 373#endif
30a69ef7
TL
374#ifdef CONFIG_ARCH_OMAP3
375 OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002030, "48002030.pinmux", &pcs_pdata),
4b416368 376 OF_DEV_AUXDATA("ti,omap3-padconf", 0x480025a0, "480025a0.pinmux", &pcs_pdata),
30a69ef7 377 OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002a00, "48002a00.pinmux", &pcs_pdata),
910f1678
SA
378 OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
379 &omap3_iommu_pdata),
71900314
TL
380 /* Only on am3517 */
381 OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
382 OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
383 &am35xx_emac_pdata),
30a69ef7
TL
384#endif
385#ifdef CONFIG_ARCH_OMAP4
386 OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a100040, "4a100040.pinmux", &pcs_pdata),
387 OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a31e040, "4a31e040.pinmux", &pcs_pdata),
67eb1e6e 388#endif
874fef7d
NM
389#ifdef CONFIG_SOC_OMAP5
390 OF_DEV_AUXDATA("ti,omap5-padconf", 0x4a002840, "4a002840.pinmux", &pcs_pdata),
391 OF_DEV_AUXDATA("ti,omap5-padconf", 0x4ae0c840, "4ae0c840.pinmux", &pcs_pdata),
392#endif
b0a3d0da
NM
393#ifdef CONFIG_SOC_DRA7XX
394 OF_DEV_AUXDATA("ti,dra7-padconf", 0x4a003400, "4a003400.pinmux", &pcs_pdata),
395#endif
dbbe9770
K
396#ifdef CONFIG_SOC_AM43XX
397 OF_DEV_AUXDATA("ti,am437-padconf", 0x44e10800, "44e10800.pinmux", &pcs_pdata),
398#endif
67eb1e6e 399#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
910f1678
SA
400 OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu",
401 &omap4_iommu_pdata),
402 OF_DEV_AUXDATA("ti,omap4-iommu", 0x55082000, "55082000.mmu",
403 &omap4_iommu_pdata),
30a69ef7 404#endif
8651bd8c
TL
405 { /* sentinel */ },
406};
407
036582f7
TL
408/*
409 * Few boards still need to initialize some legacy devices with
410 * platform data until the drivers support device tree.
411 */
6a08e1e6 412static struct pdata_init pdata_quirks[] __initdata = {
faf4bd47 413#ifdef CONFIG_ARCH_OMAP3
fb45105a 414 { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, },
40ecc02e 415 { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, },
0f0cfc69 416 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
deff82e6 417 { "nokia,omap3-n900", nokia_n900_legacy_init, },
faf4bd47
AK
418 { "nokia,omap3-n9", hsmmc2_internal_input_clk, },
419 { "nokia,omap3-n950", hsmmc2_internal_input_clk, },
d565b5f4
EBS
420 { "isee,omap3-igep0020-rev-f", omap3_igep0020_rev_f_legacy_init, },
421 { "isee,omap3-igep0030-rev-g", omap3_igep0030_rev_g_legacy_init, },
79b39f79
TL
422 { "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
423 { "ti,omap3-zoom3", omap3_zoom_legacy_init, },
71900314 424 { "ti,am3517-evm", am3517_evm_legacy_init, },
63dd5bc0 425 { "technexion,omap3-tao3530", omap3_tao3530_legacy_init, },
faf4bd47 426#endif
3e7a3185
TL
427#ifdef CONFIG_ARCH_OMAP4
428 { "ti,omap4-sdp", omap4_sdp_legacy_init, },
429 { "ti,omap4-panda", omap4_panda_legacy_init, },
95eb894e
JE
430 { "variscite,var-dvk-om44", var_som_om44_legacy_init, },
431 { "variscite,var-stk-om44", var_som_om44_legacy_init, },
3e7a3185 432#endif
90f4f01b
IK
433#ifdef CONFIG_SOC_AM33XX
434 { "ti,am335x-evmsk", am335x_evmsk_legacy_init, },
435#endif
3e7a3185
TL
436#ifdef CONFIG_SOC_OMAP5
437 { "ti,omap5-uevm", omap5_uevm_legacy_init, },
438#endif
6a08e1e6
TL
439 { /* sentinel */ },
440};
441
036582f7 442static void pdata_quirks_check(struct pdata_init *quirks)
6a08e1e6 443{
6a08e1e6
TL
444 while (quirks->compatible) {
445 if (of_machine_is_compatible(quirks->compatible)) {
446 if (quirks->fn)
447 quirks->fn();
448 break;
449 }
450 quirks++;
451 }
452}
036582f7 453
31957609 454void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
036582f7
TL
455{
456 omap_sdrc_init(NULL, NULL);
457 pdata_quirks_check(auxdata_quirks);
458 of_platform_populate(NULL, omap_dt_match_table,
459 omap_auxdata_lookup, NULL);
460 pdata_quirks_check(pdata_quirks);
461}