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49265651 NK |
1 | /* |
2 | * linux/arch/arm/mach-omap2/board-ldp.c | |
3 | * | |
4 | * Copyright (C) 2008 Texas Instruments Inc. | |
5 | * Nishant Kamat <nskamat@ti.com> | |
6 | * | |
7 | * Modified from mach-omap2/board-3430sdp.c | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License version 2 as | |
11 | * published by the Free Software Foundation. | |
12 | */ | |
2f8163ba | 13 | #include <linux/gpio.h> |
49265651 NK |
14 | #include <linux/kernel.h> |
15 | #include <linux/init.h> | |
16 | #include <linux/platform_device.h> | |
17 | #include <linux/delay.h> | |
18 | #include <linux/input.h> | |
6135434a | 19 | #include <linux/input/matrix_keypad.h> |
4a899d5e | 20 | #include <linux/gpio_keys.h> |
49265651 NK |
21 | #include <linux/workqueue.h> |
22 | #include <linux/err.h> | |
23 | #include <linux/clk.h> | |
24 | #include <linux/spi/spi.h> | |
5b3689f4 | 25 | #include <linux/regulator/fixed.h> |
4a899d5e | 26 | #include <linux/regulator/machine.h> |
b07682b6 | 27 | #include <linux/i2c/twl.h> |
99730225 | 28 | #include <linux/io.h> |
1c0e147e | 29 | #include <linux/smsc911x.h> |
3a63833e | 30 | #include <linux/mmc/host.h> |
2203747c | 31 | #include <linux/platform_data/spi-omap2-mcspi.h> |
49265651 | 32 | |
49265651 NK |
33 | #include <asm/mach-types.h> |
34 | #include <asm/mach/arch.h> | |
35 | #include <asm/mach/map.h> | |
36 | ||
4e65331c | 37 | #include "common.h" |
8599e7c5 | 38 | #include "board-zoom.h" |
6d02643d | 39 | #include "gpmc.h" |
ac839b3c | 40 | #include "gpmc-smsc911x.h" |
49265651 | 41 | |
14dd72d8 TV |
42 | #include <video/omapdss.h> |
43 | #include <video/omap-panel-generic-dpi.h> | |
44 | ||
04aeae77 | 45 | #include "board-flash.h" |
ca5742bd | 46 | #include "mux.h" |
d02a900b | 47 | #include "hsmmc.h" |
4814ced5 | 48 | #include "control.h" |
96974a24 | 49 | #include "common-board-devices.h" |
90c62bf0 | 50 | |
1c0e147e SG |
51 | #define LDP_SMSC911X_CS 1 |
52 | #define LDP_SMSC911X_GPIO 152 | |
ec7558a6 TL |
53 | #define DEBUG_BASE 0x08000000 |
54 | #define LDP_ETHR_START DEBUG_BASE | |
b1c056d2 | 55 | |
bead4375 | 56 | static uint32_t board_keymap[] = { |
4a899d5e TL |
57 | KEY(0, 0, KEY_1), |
58 | KEY(1, 0, KEY_2), | |
59 | KEY(2, 0, KEY_3), | |
60 | KEY(0, 1, KEY_4), | |
61 | KEY(1, 1, KEY_5), | |
62 | KEY(2, 1, KEY_6), | |
63 | KEY(3, 1, KEY_F5), | |
64 | KEY(0, 2, KEY_7), | |
65 | KEY(1, 2, KEY_8), | |
66 | KEY(2, 2, KEY_9), | |
67 | KEY(3, 2, KEY_F6), | |
68 | KEY(0, 3, KEY_F7), | |
69 | KEY(1, 3, KEY_0), | |
70 | KEY(2, 3, KEY_F8), | |
71 | PERSISTENT_KEY(4, 5), | |
72 | KEY(4, 4, KEY_VOLUMEUP), | |
73 | KEY(5, 5, KEY_VOLUMEDOWN), | |
74 | 0 | |
75 | }; | |
76 | ||
4f543332 TL |
77 | static struct matrix_keymap_data board_map_data = { |
78 | .keymap = board_keymap, | |
79 | .keymap_size = ARRAY_SIZE(board_keymap), | |
80 | }; | |
81 | ||
4a899d5e | 82 | static struct twl4030_keypad_data ldp_kp_twl4030_data = { |
4f543332 | 83 | .keymap_data = &board_map_data, |
4a899d5e TL |
84 | .rows = 6, |
85 | .cols = 6, | |
4a899d5e TL |
86 | .rep = 1, |
87 | }; | |
88 | ||
89 | static struct gpio_keys_button ldp_gpio_keys_buttons[] = { | |
90 | [0] = { | |
91 | .code = KEY_ENTER, | |
92 | .gpio = 101, | |
93 | .desc = "enter sw", | |
94 | .active_low = 1, | |
95 | .debounce_interval = 30, | |
96 | }, | |
97 | [1] = { | |
98 | .code = KEY_F1, | |
99 | .gpio = 102, | |
100 | .desc = "func 1", | |
101 | .active_low = 1, | |
102 | .debounce_interval = 30, | |
103 | }, | |
104 | [2] = { | |
105 | .code = KEY_F2, | |
106 | .gpio = 103, | |
107 | .desc = "func 2", | |
108 | .active_low = 1, | |
109 | .debounce_interval = 30, | |
110 | }, | |
111 | [3] = { | |
112 | .code = KEY_F3, | |
113 | .gpio = 104, | |
114 | .desc = "func 3", | |
115 | .active_low = 1, | |
116 | .debounce_interval = 30, | |
117 | }, | |
118 | [4] = { | |
119 | .code = KEY_F4, | |
120 | .gpio = 105, | |
121 | .desc = "func 4", | |
122 | .active_low = 1, | |
123 | .debounce_interval = 30, | |
124 | }, | |
125 | [5] = { | |
126 | .code = KEY_LEFT, | |
127 | .gpio = 106, | |
128 | .desc = "left sw", | |
129 | .active_low = 1, | |
130 | .debounce_interval = 30, | |
131 | }, | |
132 | [6] = { | |
133 | .code = KEY_RIGHT, | |
134 | .gpio = 107, | |
135 | .desc = "right sw", | |
136 | .active_low = 1, | |
137 | .debounce_interval = 30, | |
138 | }, | |
139 | [7] = { | |
140 | .code = KEY_UP, | |
141 | .gpio = 108, | |
142 | .desc = "up sw", | |
143 | .active_low = 1, | |
144 | .debounce_interval = 30, | |
145 | }, | |
146 | [8] = { | |
147 | .code = KEY_DOWN, | |
148 | .gpio = 109, | |
149 | .desc = "down sw", | |
150 | .active_low = 1, | |
151 | .debounce_interval = 30, | |
152 | }, | |
153 | }; | |
154 | ||
155 | static struct gpio_keys_platform_data ldp_gpio_keys = { | |
156 | .buttons = ldp_gpio_keys_buttons, | |
157 | .nbuttons = ARRAY_SIZE(ldp_gpio_keys_buttons), | |
158 | .rep = 1, | |
159 | }; | |
160 | ||
161 | static struct platform_device ldp_gpio_keys_device = { | |
162 | .name = "gpio-keys", | |
163 | .id = -1, | |
164 | .dev = { | |
165 | .platform_data = &ldp_gpio_keys, | |
166 | }, | |
167 | }; | |
168 | ||
21b42731 MR |
169 | static struct omap_smsc911x_platform_data smsc911x_cfg = { |
170 | .cs = LDP_SMSC911X_CS, | |
171 | .gpio_irq = LDP_SMSC911X_GPIO, | |
172 | .gpio_reset = -EINVAL, | |
173 | .flags = SMSC911X_USE_32BIT, | |
174 | }; | |
175 | ||
1c0e147e | 176 | static inline void __init ldp_init_smsc911x(void) |
b1c056d2 | 177 | { |
21b42731 | 178 | gpmc_smsc911x_init(&smsc911x_cfg); |
b1c056d2 SM |
179 | } |
180 | ||
14dd72d8 TV |
181 | /* LCD */ |
182 | ||
183 | static int ldp_backlight_gpio; | |
184 | static int ldp_lcd_enable_gpio; | |
185 | ||
186 | #define LCD_PANEL_RESET_GPIO 55 | |
187 | #define LCD_PANEL_QVGA_GPIO 56 | |
188 | ||
189 | static int ldp_panel_enable_lcd(struct omap_dss_device *dssdev) | |
190 | { | |
191 | if (gpio_is_valid(ldp_lcd_enable_gpio)) | |
192 | gpio_direction_output(ldp_lcd_enable_gpio, 1); | |
193 | if (gpio_is_valid(ldp_backlight_gpio)) | |
194 | gpio_direction_output(ldp_backlight_gpio, 1); | |
195 | ||
196 | return 0; | |
197 | } | |
198 | ||
199 | static void ldp_panel_disable_lcd(struct omap_dss_device *dssdev) | |
200 | { | |
201 | if (gpio_is_valid(ldp_lcd_enable_gpio)) | |
202 | gpio_direction_output(ldp_lcd_enable_gpio, 0); | |
203 | if (gpio_is_valid(ldp_backlight_gpio)) | |
204 | gpio_direction_output(ldp_backlight_gpio, 0); | |
205 | } | |
206 | ||
207 | static struct panel_generic_dpi_data ldp_panel_data = { | |
208 | .name = "nec_nl2432dr22-11b", | |
209 | .platform_enable = ldp_panel_enable_lcd, | |
210 | .platform_disable = ldp_panel_disable_lcd, | |
49adf465 ID |
211 | }; |
212 | ||
14dd72d8 TV |
213 | static struct omap_dss_device ldp_lcd_device = { |
214 | .name = "lcd", | |
215 | .driver_name = "generic_dpi_panel", | |
216 | .type = OMAP_DISPLAY_TYPE_DPI, | |
217 | .phy.dpi.data_lines = 18, | |
218 | .data = &ldp_panel_data, | |
219 | }; | |
220 | ||
221 | static struct omap_dss_device *ldp_dss_devices[] = { | |
222 | &ldp_lcd_device, | |
49adf465 ID |
223 | }; |
224 | ||
14dd72d8 TV |
225 | static struct omap_dss_board_info ldp_dss_data = { |
226 | .num_devices = ARRAY_SIZE(ldp_dss_devices), | |
227 | .devices = ldp_dss_devices, | |
228 | .default_device = &ldp_lcd_device, | |
49265651 NK |
229 | }; |
230 | ||
14dd72d8 TV |
231 | static void __init ldp_display_init(void) |
232 | { | |
233 | int r; | |
234 | ||
235 | static struct gpio gpios[] __initdata = { | |
236 | {LCD_PANEL_RESET_GPIO, GPIOF_OUT_INIT_HIGH, "LCD RESET"}, | |
237 | {LCD_PANEL_QVGA_GPIO, GPIOF_OUT_INIT_HIGH, "LCD QVGA"}, | |
238 | }; | |
239 | ||
240 | r = gpio_request_array(gpios, ARRAY_SIZE(gpios)); | |
241 | if (r) { | |
242 | pr_err("Cannot request LCD GPIOs, error %d\n", r); | |
243 | return; | |
244 | } | |
245 | ||
246 | omap_display_init(&ldp_dss_data); | |
247 | } | |
248 | ||
14dd72d8 TV |
249 | static int ldp_twl_gpio_setup(struct device *dev, unsigned gpio, unsigned ngpio) |
250 | { | |
251 | int r; | |
252 | ||
253 | struct gpio gpios[] = { | |
254 | {gpio + 7 , GPIOF_OUT_INIT_LOW, "LCD ENABLE"}, | |
255 | {gpio + 15, GPIOF_OUT_INIT_LOW, "LCD BACKLIGHT"}, | |
256 | }; | |
257 | ||
258 | r = gpio_request_array(gpios, ARRAY_SIZE(gpios)); | |
259 | if (r) { | |
260 | pr_err("Cannot request LCD GPIOs, error %d\n", r); | |
261 | ldp_backlight_gpio = -EINVAL; | |
262 | ldp_lcd_enable_gpio = -EINVAL; | |
263 | return r; | |
264 | } | |
265 | ||
266 | ldp_backlight_gpio = gpio + 15; | |
267 | ldp_lcd_enable_gpio = gpio + 7; | |
268 | ||
269 | return 0; | |
270 | } | |
271 | ||
90c62bf0 | 272 | static struct twl4030_gpio_platform_data ldp_gpio_data = { |
14dd72d8 | 273 | .setup = ldp_twl_gpio_setup, |
90c62bf0 TL |
274 | }; |
275 | ||
786b01a8 OD |
276 | static struct regulator_consumer_supply ldp_vmmc1_supply[] = { |
277 | REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"), | |
4a899d5e TL |
278 | }; |
279 | ||
280 | /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */ | |
281 | static struct regulator_init_data ldp_vmmc1 = { | |
282 | .constraints = { | |
283 | .min_uV = 1850000, | |
284 | .max_uV = 3150000, | |
285 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
286 | | REGULATOR_MODE_STANDBY, | |
287 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | |
288 | | REGULATOR_CHANGE_MODE | |
289 | | REGULATOR_CHANGE_STATUS, | |
290 | }, | |
786b01a8 OD |
291 | .num_consumer_supplies = ARRAY_SIZE(ldp_vmmc1_supply), |
292 | .consumer_supplies = ldp_vmmc1_supply, | |
4a899d5e TL |
293 | }; |
294 | ||
f463effe TL |
295 | /* ads7846 on SPI */ |
296 | static struct regulator_consumer_supply ldp_vaux1_supplies[] = { | |
297 | REGULATOR_SUPPLY("vcc", "spi1.0"), | |
298 | }; | |
299 | ||
300 | /* VAUX1 */ | |
301 | static struct regulator_init_data ldp_vaux1 = { | |
302 | .constraints = { | |
303 | .min_uV = 3000000, | |
304 | .max_uV = 3000000, | |
305 | .apply_uV = true, | |
306 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
307 | | REGULATOR_MODE_STANDBY, | |
308 | .valid_ops_mask = REGULATOR_CHANGE_MODE | |
309 | | REGULATOR_CHANGE_STATUS, | |
310 | }, | |
311 | .num_consumer_supplies = ARRAY_SIZE(ldp_vaux1_supplies), | |
312 | .consumer_supplies = ldp_vaux1_supplies, | |
313 | }; | |
314 | ||
14dd72d8 TV |
315 | static struct regulator_consumer_supply ldp_vpll2_supplies[] = { |
316 | REGULATOR_SUPPLY("vdds_dsi", "omapdss"), | |
317 | REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi1"), | |
318 | }; | |
319 | ||
320 | static struct regulator_init_data ldp_vpll2 = { | |
321 | .constraints = { | |
322 | .name = "VDVI", | |
323 | .min_uV = 1800000, | |
324 | .max_uV = 1800000, | |
325 | .apply_uV = true, | |
326 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
327 | | REGULATOR_MODE_STANDBY, | |
328 | .valid_ops_mask = REGULATOR_CHANGE_MODE | |
329 | | REGULATOR_CHANGE_STATUS, | |
330 | }, | |
331 | .num_consumer_supplies = ARRAY_SIZE(ldp_vpll2_supplies), | |
332 | .consumer_supplies = ldp_vpll2_supplies, | |
333 | }; | |
334 | ||
90c62bf0 | 335 | static struct twl4030_platform_data ldp_twldata = { |
90c62bf0 | 336 | /* platform_data for children goes here */ |
4a899d5e | 337 | .vmmc1 = &ldp_vmmc1, |
f463effe | 338 | .vaux1 = &ldp_vaux1, |
14dd72d8 | 339 | .vpll2 = &ldp_vpll2, |
90c62bf0 | 340 | .gpio = &ldp_gpio_data, |
4a899d5e | 341 | .keypad = &ldp_kp_twl4030_data, |
90c62bf0 TL |
342 | }; |
343 | ||
49265651 NK |
344 | static int __init omap_i2c_init(void) |
345 | { | |
827ed9ae PU |
346 | omap3_pmic_get_config(&ldp_twldata, |
347 | TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC, 0); | |
fbd8071c | 348 | omap3_pmic_init("twl4030", &ldp_twldata); |
49265651 NK |
349 | omap_register_i2c_bus(2, 400, NULL, 0); |
350 | omap_register_i2c_bus(3, 400, NULL, 0); | |
351 | return 0; | |
352 | } | |
353 | ||
68ff0423 | 354 | static struct omap2_hsmmc_info mmc[] __initdata = { |
90c62bf0 TL |
355 | { |
356 | .mmc = 1, | |
3a63833e | 357 | .caps = MMC_CAP_4_BIT_DATA, |
90c62bf0 TL |
358 | .gpio_cd = -EINVAL, |
359 | .gpio_wp = -EINVAL, | |
360 | }, | |
361 | {} /* Terminator */ | |
362 | }; | |
363 | ||
49adf465 | 364 | static struct platform_device *ldp_devices[] __initdata = { |
4a899d5e | 365 | &ldp_gpio_keys_device, |
49adf465 ID |
366 | }; |
367 | ||
ca5742bd TL |
368 | #ifdef CONFIG_OMAP_MUX |
369 | static struct omap_board_mux board_mux[] __initdata = { | |
370 | { .reg_offset = OMAP_MUX_TERMINATOR }, | |
371 | }; | |
ca5742bd TL |
372 | #endif |
373 | ||
2430f9df SG |
374 | static struct mtd_partition ldp_nand_partitions[] = { |
375 | /* All the partition sizes are listed in terms of NAND block size */ | |
376 | { | |
377 | .name = "X-Loader-NAND", | |
378 | .offset = 0, | |
379 | .size = 4 * (64 * 2048), /* 512KB, 0x80000 */ | |
380 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
381 | }, | |
382 | { | |
383 | .name = "U-Boot-NAND", | |
384 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */ | |
385 | .size = 10 * (64 * 2048), /* 1.25MB, 0x140000 */ | |
386 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
387 | }, | |
388 | { | |
389 | .name = "Boot Env-NAND", | |
390 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x1c0000 */ | |
391 | .size = 2 * (64 * 2048), /* 256KB, 0x40000 */ | |
392 | }, | |
393 | { | |
394 | .name = "Kernel-NAND", | |
395 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x0200000*/ | |
396 | .size = 240 * (64 * 2048), /* 30M, 0x1E00000 */ | |
397 | }, | |
398 | { | |
399 | .name = "File System - NAND", | |
400 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x2000000 */ | |
401 | .size = MTDPART_SIZ_FULL, /* 96MB, 0x6000000 */ | |
402 | }, | |
403 | ||
404 | }; | |
405 | ||
5b3689f4 RD |
406 | static struct regulator_consumer_supply dummy_supplies[] = { |
407 | REGULATOR_SUPPLY("vddvario", "smsc911x.0"), | |
408 | REGULATOR_SUPPLY("vdd33a", "smsc911x.0"), | |
409 | }; | |
410 | ||
49265651 NK |
411 | static void __init omap_ldp_init(void) |
412 | { | |
5b3689f4 | 413 | regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); |
ca5742bd | 414 | omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); |
c2cdaffe | 415 | ldp_init_smsc911x(); |
49265651 | 416 | omap_i2c_init(); |
b1c056d2 | 417 | platform_add_devices(ldp_devices, ARRAY_SIZE(ldp_devices)); |
96974a24 | 418 | omap_ads7846_init(1, 54, 310, NULL); |
49265651 | 419 | omap_serial_init(); |
a4ca9dbe | 420 | omap_sdrc_init(NULL, NULL); |
9e18630b | 421 | usb_musb_init(NULL); |
2e618261 AM |
422 | board_nand_init(ldp_nand_partitions, ARRAY_SIZE(ldp_nand_partitions), |
423 | ZOOM_NAND_CS, 0, nand_default_timings); | |
4a899d5e | 424 | |
3b972bf0 | 425 | omap_hsmmc_init(mmc); |
14dd72d8 | 426 | ldp_display_init(); |
49265651 NK |
427 | } |
428 | ||
49265651 | 429 | MACHINE_START(OMAP_LDP, "OMAP LDP board") |
5e52b435 | 430 | .atag_offset = 0x100, |
71ee7dad | 431 | .reserve = omap_reserve, |
3dc3bad6 | 432 | .map_io = omap3_map_io, |
8f5b5a41 | 433 | .init_early = omap3430_init_early, |
741e3a89 | 434 | .init_irq = omap3_init_irq, |
6b2f55d7 | 435 | .handle_irq = omap3_intc_handle_irq, |
49265651 | 436 | .init_machine = omap_ldp_init, |
bbd707ac | 437 | .init_late = omap3430_init_late, |
6bb27d73 | 438 | .init_time = omap3_sync32k_timer_init, |
187e3e06 | 439 | .restart = omap3xxx_restart, |
49265651 | 440 | MACHINE_END |