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9cbc3493 J |
1 | /* |
2 | * linux/arch/arm/mach-omap2/board-omap3evm.c | |
3 | * | |
4 | * Copyright (C) 2008 Guangzhou EMA-Tech | |
5 | * | |
6 | * Modified from mach-omap2/board-omap3evm.c | |
7 | * | |
8 | * Initial code: Syed Mohammed Khasim | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License version 2 as | |
12 | * published by the Free Software Foundation. | |
13 | */ | |
14 | ||
15 | #include <linux/kernel.h> | |
16 | #include <linux/init.h> | |
17 | #include <linux/platform_device.h> | |
18 | #include <linux/delay.h> | |
19 | #include <linux/err.h> | |
20 | #include <linux/clk.h> | |
21 | #include <linux/io.h> | |
22 | #include <linux/leds.h> | |
23 | #include <linux/gpio.h> | |
24 | #include <linux/input.h> | |
25 | #include <linux/gpio_keys.h> | |
26 | ||
27 | #include <linux/regulator/machine.h> | |
28 | #include <linux/i2c/twl.h> | |
3a63833e | 29 | #include <linux/mmc/host.h> |
9cbc3493 J |
30 | |
31 | #include <mach/hardware.h> | |
32 | #include <asm/mach-types.h> | |
33 | #include <asm/mach/arch.h> | |
34 | #include <asm/mach/map.h> | |
35 | #include <asm/mach/flash.h> | |
36 | ||
37 | #include <plat/board.h> | |
38 | #include <plat/common.h> | |
39 | #include <plat/gpmc.h> | |
40 | #include <plat/nand.h> | |
41 | #include <plat/usb.h> | |
9cbc3493 | 42 | #include <plat/display.h> |
89747c91 | 43 | #include <plat/panel-generic-dpi.h> |
9cbc3493 J |
44 | |
45 | #include <plat/mcspi.h> | |
46 | #include <linux/input/matrix_keypad.h> | |
47 | #include <linux/spi/spi.h> | |
48 | #include <linux/spi/ads7846.h> | |
49 | #include <linux/interrupt.h> | |
50 | #include <linux/smsc911x.h> | |
51 | #include <linux/i2c/at24.h> | |
52 | ||
53 | #include "sdram-micron-mt46h32m32lf-6.h" | |
54 | #include "mux.h" | |
55 | #include "hsmmc.h" | |
04aeae77 | 56 | #include "timer-gp.h" |
9cbc3493 J |
57 | |
58 | #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE) | |
59 | #define OMAP3STALKER_ETHR_START 0x2c000000 | |
60 | #define OMAP3STALKER_ETHR_SIZE 1024 | |
61 | #define OMAP3STALKER_ETHR_GPIO_IRQ 19 | |
62 | #define OMAP3STALKER_SMC911X_CS 5 | |
63 | ||
64 | static struct resource omap3stalker_smsc911x_resources[] = { | |
65 | [0] = { | |
66 | .start = OMAP3STALKER_ETHR_START, | |
67 | .end = | |
68 | (OMAP3STALKER_ETHR_START + OMAP3STALKER_ETHR_SIZE - 1), | |
69 | .flags = IORESOURCE_MEM, | |
70 | }, | |
71 | [1] = { | |
72 | .start = OMAP_GPIO_IRQ(OMAP3STALKER_ETHR_GPIO_IRQ), | |
73 | .end = OMAP_GPIO_IRQ(OMAP3STALKER_ETHR_GPIO_IRQ), | |
74 | .flags = (IORESOURCE_IRQ | IRQF_TRIGGER_LOW), | |
75 | }, | |
76 | }; | |
77 | ||
78 | static struct smsc911x_platform_config smsc911x_config = { | |
79 | .phy_interface = PHY_INTERFACE_MODE_MII, | |
80 | .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, | |
81 | .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN, | |
82 | .flags = (SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS), | |
83 | }; | |
84 | ||
85 | static struct platform_device omap3stalker_smsc911x_device = { | |
86 | .name = "smsc911x", | |
87 | .id = -1, | |
88 | .num_resources = ARRAY_SIZE(omap3stalker_smsc911x_resources), | |
89 | .resource = &omap3stalker_smsc911x_resources[0], | |
90 | .dev = { | |
91 | .platform_data = &smsc911x_config, | |
92 | }, | |
93 | }; | |
94 | ||
95 | static inline void __init omap3stalker_init_eth(void) | |
96 | { | |
97 | int eth_cs; | |
98 | struct clk *l3ck; | |
99 | unsigned int rate; | |
100 | ||
101 | eth_cs = OMAP3STALKER_SMC911X_CS; | |
102 | ||
103 | l3ck = clk_get(NULL, "l3_ck"); | |
104 | if (IS_ERR(l3ck)) | |
105 | rate = 100000000; | |
106 | else | |
107 | rate = clk_get_rate(l3ck); | |
108 | ||
109 | omap_mux_init_gpio(19, OMAP_PIN_INPUT_PULLUP); | |
110 | if (gpio_request(OMAP3STALKER_ETHR_GPIO_IRQ, "SMC911x irq") < 0) { | |
111 | printk(KERN_ERR | |
112 | "Failed to request GPIO%d for smc911x IRQ\n", | |
113 | OMAP3STALKER_ETHR_GPIO_IRQ); | |
114 | return; | |
115 | } | |
116 | ||
117 | gpio_direction_input(OMAP3STALKER_ETHR_GPIO_IRQ); | |
118 | ||
119 | platform_device_register(&omap3stalker_smsc911x_device); | |
120 | } | |
121 | ||
122 | #else | |
123 | static inline void __init omap3stalker_init_eth(void) | |
124 | { | |
125 | return; | |
126 | } | |
127 | #endif | |
128 | ||
129 | /* | |
130 | * OMAP3 DSS control signals | |
131 | */ | |
132 | ||
133 | #define DSS_ENABLE_GPIO 199 | |
134 | #define LCD_PANEL_BKLIGHT_GPIO 210 | |
135 | #define ENABLE_VPLL2_DEV_GRP 0xE0 | |
136 | ||
137 | static int lcd_enabled; | |
138 | static int dvi_enabled; | |
139 | ||
140 | static void __init omap3_stalker_display_init(void) | |
141 | { | |
142 | return; | |
143 | } | |
144 | ||
145 | static int omap3_stalker_enable_lcd(struct omap_dss_device *dssdev) | |
146 | { | |
147 | if (dvi_enabled) { | |
148 | printk(KERN_ERR "cannot enable LCD, DVI is enabled\n"); | |
149 | return -EINVAL; | |
150 | } | |
151 | gpio_set_value(DSS_ENABLE_GPIO, 1); | |
152 | gpio_set_value(LCD_PANEL_BKLIGHT_GPIO, 1); | |
153 | lcd_enabled = 1; | |
154 | return 0; | |
155 | } | |
156 | ||
157 | static void omap3_stalker_disable_lcd(struct omap_dss_device *dssdev) | |
158 | { | |
159 | gpio_set_value(DSS_ENABLE_GPIO, 0); | |
160 | gpio_set_value(LCD_PANEL_BKLIGHT_GPIO, 0); | |
161 | lcd_enabled = 0; | |
162 | } | |
163 | ||
89747c91 BW |
164 | static struct panel_generic_dpi_data lcd_panel = { |
165 | .name = "generic", | |
166 | .platform_enable = omap3_stalker_enable_lcd, | |
167 | .platform_disable = omap3_stalker_disable_lcd, | |
168 | }; | |
169 | ||
9cbc3493 J |
170 | static struct omap_dss_device omap3_stalker_lcd_device = { |
171 | .name = "lcd", | |
89747c91 BW |
172 | .driver_name = "generic_dpi_panel", |
173 | .data = &lcd_panel, | |
9cbc3493 J |
174 | .phy.dpi.data_lines = 24, |
175 | .type = OMAP_DISPLAY_TYPE_DPI, | |
9cbc3493 J |
176 | }; |
177 | ||
178 | static int omap3_stalker_enable_tv(struct omap_dss_device *dssdev) | |
179 | { | |
180 | return 0; | |
181 | } | |
182 | ||
183 | static void omap3_stalker_disable_tv(struct omap_dss_device *dssdev) | |
184 | { | |
185 | } | |
186 | ||
187 | static struct omap_dss_device omap3_stalker_tv_device = { | |
188 | .name = "tv", | |
189 | .driver_name = "venc", | |
190 | .type = OMAP_DISPLAY_TYPE_VENC, | |
191 | #if defined(CONFIG_OMAP2_VENC_OUT_TYPE_SVIDEO) | |
192 | .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO, | |
193 | #elif defined(CONFIG_OMAP2_VENC_OUT_TYPE_COMPOSITE) | |
194 | .u.venc.type = OMAP_DSS_VENC_TYPE_COMPOSITE, | |
195 | #endif | |
196 | .platform_enable = omap3_stalker_enable_tv, | |
197 | .platform_disable = omap3_stalker_disable_tv, | |
198 | }; | |
199 | ||
200 | static int omap3_stalker_enable_dvi(struct omap_dss_device *dssdev) | |
201 | { | |
202 | if (lcd_enabled) { | |
203 | printk(KERN_ERR "cannot enable DVI, LCD is enabled\n"); | |
204 | return -EINVAL; | |
205 | } | |
206 | gpio_set_value(DSS_ENABLE_GPIO, 1); | |
207 | dvi_enabled = 1; | |
208 | return 0; | |
209 | } | |
210 | ||
211 | static void omap3_stalker_disable_dvi(struct omap_dss_device *dssdev) | |
212 | { | |
213 | gpio_set_value(DSS_ENABLE_GPIO, 0); | |
214 | dvi_enabled = 0; | |
215 | } | |
216 | ||
89747c91 BW |
217 | static struct panel_generic_dpi_data dvi_panel = { |
218 | .name = "generic", | |
219 | .platform_enable = omap3_stalker_enable_dvi, | |
220 | .platform_disable = omap3_stalker_disable_dvi, | |
221 | }; | |
222 | ||
9cbc3493 J |
223 | static struct omap_dss_device omap3_stalker_dvi_device = { |
224 | .name = "dvi", | |
9cbc3493 | 225 | .type = OMAP_DISPLAY_TYPE_DPI, |
89747c91 BW |
226 | .driver_name = "generic_dpi_panel", |
227 | .data = &dvi_panel, | |
9cbc3493 | 228 | .phy.dpi.data_lines = 24, |
9cbc3493 J |
229 | }; |
230 | ||
231 | static struct omap_dss_device *omap3_stalker_dss_devices[] = { | |
232 | &omap3_stalker_lcd_device, | |
233 | &omap3_stalker_tv_device, | |
234 | &omap3_stalker_dvi_device, | |
235 | }; | |
236 | ||
237 | static struct omap_dss_board_info omap3_stalker_dss_data = { | |
238 | .num_devices = ARRAY_SIZE(omap3_stalker_dss_devices), | |
239 | .devices = omap3_stalker_dss_devices, | |
240 | .default_device = &omap3_stalker_dvi_device, | |
241 | }; | |
242 | ||
9cbc3493 J |
243 | static struct regulator_consumer_supply omap3stalker_vmmc1_supply = { |
244 | .supply = "vmmc", | |
245 | }; | |
246 | ||
247 | static struct regulator_consumer_supply omap3stalker_vsim_supply = { | |
248 | .supply = "vmmc_aux", | |
249 | }; | |
250 | ||
251 | /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */ | |
252 | static struct regulator_init_data omap3stalker_vmmc1 = { | |
253 | .constraints = { | |
254 | .min_uV = 1850000, | |
255 | .max_uV = 3150000, | |
256 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
257 | | REGULATOR_MODE_STANDBY, | |
258 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | |
259 | | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, | |
260 | }, | |
261 | .num_consumer_supplies = 1, | |
262 | .consumer_supplies = &omap3stalker_vmmc1_supply, | |
263 | }; | |
264 | ||
265 | /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */ | |
266 | static struct regulator_init_data omap3stalker_vsim = { | |
267 | .constraints = { | |
268 | .min_uV = 1800000, | |
269 | .max_uV = 3000000, | |
270 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
271 | | REGULATOR_MODE_STANDBY, | |
272 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | |
273 | | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, | |
274 | }, | |
275 | .num_consumer_supplies = 1, | |
276 | .consumer_supplies = &omap3stalker_vsim_supply, | |
277 | }; | |
278 | ||
279 | static struct omap2_hsmmc_info mmc[] = { | |
280 | { | |
281 | .mmc = 1, | |
3a63833e | 282 | .caps = MMC_CAP_4_BIT_DATA, |
9cbc3493 J |
283 | .gpio_cd = -EINVAL, |
284 | .gpio_wp = 23, | |
285 | }, | |
286 | {} /* Terminator */ | |
287 | }; | |
288 | ||
289 | static struct gpio_keys_button gpio_buttons[] = { | |
290 | { | |
291 | .code = BTN_EXTRA, | |
292 | .gpio = 18, | |
293 | .desc = "user", | |
294 | .wakeup = 1, | |
295 | }, | |
296 | }; | |
297 | ||
298 | static struct gpio_keys_platform_data gpio_key_info = { | |
299 | .buttons = gpio_buttons, | |
300 | .nbuttons = ARRAY_SIZE(gpio_buttons), | |
301 | }; | |
302 | ||
303 | static struct platform_device keys_gpio = { | |
304 | .name = "gpio-keys", | |
305 | .id = -1, | |
306 | .dev = { | |
307 | .platform_data = &gpio_key_info, | |
308 | }, | |
309 | }; | |
310 | ||
311 | static struct gpio_led gpio_leds[] = { | |
312 | { | |
313 | .name = "stalker:D8:usr0", | |
314 | .default_trigger = "default-on", | |
315 | .gpio = 126, | |
316 | }, | |
317 | { | |
318 | .name = "stalker:D9:usr1", | |
319 | .default_trigger = "default-on", | |
320 | .gpio = 127, | |
321 | }, | |
322 | { | |
323 | .name = "stalker:D3:mmc0", | |
324 | .gpio = -EINVAL, /* gets replaced */ | |
325 | .active_low = true, | |
326 | .default_trigger = "mmc0", | |
327 | }, | |
328 | { | |
329 | .name = "stalker:D4:heartbeat", | |
330 | .gpio = -EINVAL, /* gets replaced */ | |
331 | .active_low = true, | |
332 | .default_trigger = "heartbeat", | |
333 | }, | |
334 | }; | |
335 | ||
336 | static struct gpio_led_platform_data gpio_led_info = { | |
337 | .leds = gpio_leds, | |
338 | .num_leds = ARRAY_SIZE(gpio_leds), | |
339 | }; | |
340 | ||
341 | static struct platform_device leds_gpio = { | |
342 | .name = "leds-gpio", | |
343 | .id = -1, | |
344 | .dev = { | |
345 | .platform_data = &gpio_led_info, | |
346 | }, | |
347 | }; | |
348 | ||
349 | static int | |
350 | omap3stalker_twl_gpio_setup(struct device *dev, | |
351 | unsigned gpio, unsigned ngpio) | |
352 | { | |
353 | /* gpio + 0 is "mmc0_cd" (input/IRQ) */ | |
354 | omap_mux_init_gpio(23, OMAP_PIN_INPUT); | |
355 | mmc[0].gpio_cd = gpio + 0; | |
356 | omap2_hsmmc_init(mmc); | |
357 | ||
358 | /* link regulators to MMC adapters */ | |
359 | omap3stalker_vmmc1_supply.dev = mmc[0].dev; | |
360 | omap3stalker_vsim_supply.dev = mmc[0].dev; | |
361 | ||
362 | /* | |
363 | * Most GPIOs are for USB OTG. Some are mostly sent to | |
364 | * the P2 connector; notably LEDA for the LCD backlight. | |
365 | */ | |
366 | ||
367 | /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */ | |
368 | gpio_request(gpio + TWL4030_GPIO_MAX, "EN_LCD_BKL"); | |
369 | gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0); | |
370 | ||
371 | /* gpio + 7 == DVI Enable */ | |
372 | gpio_request(gpio + 7, "EN_DVI"); | |
373 | gpio_direction_output(gpio + 7, 0); | |
374 | ||
375 | /* TWL4030_GPIO_MAX + 1 == ledB (out, mmc0) */ | |
376 | gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1; | |
377 | /* GPIO + 13 == ledsync (out, heartbeat) */ | |
378 | gpio_leds[3].gpio = gpio + 13; | |
379 | ||
380 | platform_device_register(&leds_gpio); | |
381 | return 0; | |
382 | } | |
383 | ||
384 | static struct twl4030_gpio_platform_data omap3stalker_gpio_data = { | |
385 | .gpio_base = OMAP_MAX_GPIO_LINES, | |
386 | .irq_base = TWL4030_GPIO_IRQ_BASE, | |
387 | .irq_end = TWL4030_GPIO_IRQ_END, | |
388 | .use_leds = true, | |
389 | .setup = omap3stalker_twl_gpio_setup, | |
390 | }; | |
391 | ||
392 | static struct twl4030_usb_data omap3stalker_usb_data = { | |
393 | .usb_mode = T2_USB_MODE_ULPI, | |
394 | }; | |
395 | ||
bead4375 | 396 | static uint32_t board_keymap[] = { |
9cbc3493 J |
397 | KEY(0, 0, KEY_LEFT), |
398 | KEY(0, 1, KEY_DOWN), | |
399 | KEY(0, 2, KEY_ENTER), | |
400 | KEY(0, 3, KEY_M), | |
401 | ||
402 | KEY(1, 0, KEY_RIGHT), | |
403 | KEY(1, 1, KEY_UP), | |
404 | KEY(1, 2, KEY_I), | |
405 | KEY(1, 3, KEY_N), | |
406 | ||
407 | KEY(2, 0, KEY_A), | |
408 | KEY(2, 1, KEY_E), | |
409 | KEY(2, 2, KEY_J), | |
410 | KEY(2, 3, KEY_O), | |
411 | ||
412 | KEY(3, 0, KEY_B), | |
413 | KEY(3, 1, KEY_F), | |
414 | KEY(3, 2, KEY_K), | |
415 | KEY(3, 3, KEY_P) | |
416 | }; | |
417 | ||
418 | static struct matrix_keymap_data board_map_data = { | |
419 | .keymap = board_keymap, | |
420 | .keymap_size = ARRAY_SIZE(board_keymap), | |
421 | }; | |
422 | ||
423 | static struct twl4030_keypad_data omap3stalker_kp_data = { | |
424 | .keymap_data = &board_map_data, | |
425 | .rows = 4, | |
426 | .cols = 4, | |
427 | .rep = 1, | |
428 | }; | |
429 | ||
430 | static struct twl4030_madc_platform_data omap3stalker_madc_data = { | |
431 | .irq_line = 1, | |
432 | }; | |
433 | ||
434 | static struct twl4030_codec_audio_data omap3stalker_audio_data = { | |
435 | .audio_mclk = 26000000, | |
436 | }; | |
437 | ||
438 | static struct twl4030_codec_data omap3stalker_codec_data = { | |
439 | .audio_mclk = 26000000, | |
440 | .audio = &omap3stalker_audio_data, | |
441 | }; | |
442 | ||
1dde9732 SG |
443 | static struct regulator_consumer_supply omap3_stalker_vdda_dac_supply = |
444 | REGULATOR_SUPPLY("vdda_dac", "omapdss"); | |
9cbc3493 J |
445 | |
446 | /* VDAC for DSS driving S-Video */ | |
447 | static struct regulator_init_data omap3_stalker_vdac = { | |
448 | .constraints = { | |
449 | .min_uV = 1800000, | |
450 | .max_uV = 1800000, | |
451 | .apply_uV = true, | |
452 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
453 | | REGULATOR_MODE_STANDBY, | |
454 | .valid_ops_mask = REGULATOR_CHANGE_MODE | |
455 | | REGULATOR_CHANGE_STATUS, | |
456 | }, | |
457 | .num_consumer_supplies = 1, | |
458 | .consumer_supplies = &omap3_stalker_vdda_dac_supply, | |
459 | }; | |
460 | ||
461 | /* VPLL2 for digital video outputs */ | |
1dde9732 SG |
462 | static struct regulator_consumer_supply omap3_stalker_vpll2_supply = |
463 | REGULATOR_SUPPLY("vdds_dsi", "omapdss"); | |
9cbc3493 J |
464 | |
465 | static struct regulator_init_data omap3_stalker_vpll2 = { | |
466 | .constraints = { | |
467 | .name = "VDVI", | |
468 | .min_uV = 1800000, | |
469 | .max_uV = 1800000, | |
470 | .apply_uV = true, | |
471 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
472 | | REGULATOR_MODE_STANDBY, | |
473 | .valid_ops_mask = REGULATOR_CHANGE_MODE | |
474 | | REGULATOR_CHANGE_STATUS, | |
475 | }, | |
476 | .num_consumer_supplies = 1, | |
477 | .consumer_supplies = &omap3_stalker_vpll2_supply, | |
478 | }; | |
479 | ||
480 | static struct twl4030_platform_data omap3stalker_twldata = { | |
481 | .irq_base = TWL4030_IRQ_BASE, | |
482 | .irq_end = TWL4030_IRQ_END, | |
483 | ||
484 | /* platform_data for children goes here */ | |
485 | .keypad = &omap3stalker_kp_data, | |
486 | .madc = &omap3stalker_madc_data, | |
487 | .usb = &omap3stalker_usb_data, | |
488 | .gpio = &omap3stalker_gpio_data, | |
489 | .codec = &omap3stalker_codec_data, | |
490 | .vdac = &omap3_stalker_vdac, | |
491 | .vpll2 = &omap3_stalker_vpll2, | |
492 | }; | |
493 | ||
494 | static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo[] = { | |
495 | { | |
496 | I2C_BOARD_INFO("twl4030", 0x48), | |
497 | .flags = I2C_CLIENT_WAKE, | |
498 | .irq = INT_34XX_SYS_NIRQ, | |
499 | .platform_data = &omap3stalker_twldata, | |
500 | }, | |
501 | }; | |
502 | ||
503 | static struct at24_platform_data fram_info = { | |
504 | .byte_len = (64 * 1024) / 8, | |
505 | .page_size = 8192, | |
506 | .flags = AT24_FLAG_ADDR16 | AT24_FLAG_IRUGO, | |
507 | }; | |
508 | ||
509 | static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo3[] = { | |
510 | { | |
511 | I2C_BOARD_INFO("24c64", 0x50), | |
512 | .flags = I2C_CLIENT_WAKE, | |
513 | .platform_data = &fram_info, | |
514 | }, | |
515 | }; | |
516 | ||
517 | static int __init omap3_stalker_i2c_init(void) | |
518 | { | |
519 | /* | |
520 | * REVISIT: These entries can be set in omap3evm_twl_data | |
521 | * after a merge with MFD tree | |
522 | */ | |
523 | omap3stalker_twldata.vmmc1 = &omap3stalker_vmmc1; | |
524 | omap3stalker_twldata.vsim = &omap3stalker_vsim; | |
525 | ||
526 | omap_register_i2c_bus(1, 2600, omap3stalker_i2c_boardinfo, | |
527 | ARRAY_SIZE(omap3stalker_i2c_boardinfo)); | |
528 | omap_register_i2c_bus(2, 400, NULL, 0); | |
529 | omap_register_i2c_bus(3, 400, omap3stalker_i2c_boardinfo3, | |
530 | ARRAY_SIZE(omap3stalker_i2c_boardinfo3)); | |
531 | return 0; | |
532 | } | |
533 | ||
534 | #define OMAP3_STALKER_TS_GPIO 175 | |
535 | static void ads7846_dev_init(void) | |
536 | { | |
537 | if (gpio_request(OMAP3_STALKER_TS_GPIO, "ADS7846 pendown") < 0) | |
538 | printk(KERN_ERR "can't get ads7846 pen down GPIO\n"); | |
539 | ||
540 | gpio_direction_input(OMAP3_STALKER_TS_GPIO); | |
99716b66 | 541 | gpio_set_debounce(OMAP3_STALKER_TS_GPIO, 310); |
9cbc3493 J |
542 | } |
543 | ||
544 | static int ads7846_get_pendown_state(void) | |
545 | { | |
546 | return !gpio_get_value(OMAP3_STALKER_TS_GPIO); | |
547 | } | |
548 | ||
549 | static struct ads7846_platform_data ads7846_config = { | |
550 | .x_max = 0x0fff, | |
551 | .y_max = 0x0fff, | |
552 | .x_plate_ohms = 180, | |
553 | .pressure_max = 255, | |
554 | .debounce_max = 10, | |
555 | .debounce_tol = 3, | |
556 | .debounce_rep = 1, | |
557 | .get_pendown_state = ads7846_get_pendown_state, | |
558 | .keep_vref_on = 1, | |
559 | .settle_delay_usecs = 150, | |
560 | }; | |
561 | ||
562 | static struct omap2_mcspi_device_config ads7846_mcspi_config = { | |
563 | .turbo_mode = 0, | |
564 | .single_channel = 1, /* 0: slave, 1: master */ | |
565 | }; | |
566 | ||
38815733 | 567 | static struct spi_board_info omap3stalker_spi_board_info[] = { |
9cbc3493 J |
568 | [0] = { |
569 | .modalias = "ads7846", | |
570 | .bus_num = 1, | |
571 | .chip_select = 0, | |
572 | .max_speed_hz = 1500000, | |
573 | .controller_data = &ads7846_mcspi_config, | |
574 | .irq = OMAP_GPIO_IRQ(OMAP3_STALKER_TS_GPIO), | |
575 | .platform_data = &ads7846_config, | |
576 | }, | |
577 | }; | |
578 | ||
579 | static struct omap_board_config_kernel omap3_stalker_config[] __initdata = { | |
580 | }; | |
581 | ||
3dc3bad6 | 582 | static void __init omap3_stalker_init_early(void) |
9cbc3493 | 583 | { |
4805734b PW |
584 | omap2_init_common_infrastructure(); |
585 | omap2_init_common_devices(mt46h32m32lf6_sdrc_params, NULL); | |
3dc3bad6 RKAL |
586 | } |
587 | ||
588 | static void __init omap3_stalker_init_irq(void) | |
589 | { | |
9cbc3493 J |
590 | omap_init_irq(); |
591 | #ifdef CONFIG_OMAP_32K_TIMER | |
592 | omap2_gp_clockevent_set_gptimer(12); | |
593 | #endif | |
9cbc3493 J |
594 | } |
595 | ||
596 | static struct platform_device *omap3_stalker_devices[] __initdata = { | |
9cbc3493 J |
597 | &keys_gpio, |
598 | }; | |
599 | ||
600 | static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { | |
601 | .port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN, | |
602 | .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY, | |
603 | .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, | |
604 | ||
605 | .phy_reset = true, | |
606 | .reset_gpio_port[0] = -EINVAL, | |
607 | .reset_gpio_port[1] = 21, | |
608 | .reset_gpio_port[2] = -EINVAL, | |
609 | }; | |
610 | ||
611 | #ifdef CONFIG_OMAP_MUX | |
612 | static struct omap_board_mux board_mux[] __initdata = { | |
613 | OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP | | |
614 | OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE), | |
615 | OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP | | |
616 | OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE), | |
617 | {.reg_offset = OMAP_MUX_TERMINATOR}, | |
618 | }; | |
9cbc3493 J |
619 | #endif |
620 | ||
621 | static struct omap_musb_board_data musb_board_data = { | |
622 | .interface_type = MUSB_INTERFACE_ULPI, | |
623 | .mode = MUSB_OTG, | |
624 | .power = 100, | |
625 | }; | |
626 | ||
627 | static void __init omap3_stalker_init(void) | |
628 | { | |
629 | omap3_mux_init(board_mux, OMAP_PACKAGE_CUS); | |
e41cccfe TL |
630 | omap_board_config = omap3_stalker_config; |
631 | omap_board_config_size = ARRAY_SIZE(omap3_stalker_config); | |
9cbc3493 J |
632 | |
633 | omap3_stalker_i2c_init(); | |
634 | ||
635 | platform_add_devices(omap3_stalker_devices, | |
636 | ARRAY_SIZE(omap3_stalker_devices)); | |
637 | ||
d5e13227 | 638 | omap_display_init(&omap3_stalker_dss_data); |
9cbc3493 J |
639 | spi_register_board_info(omap3stalker_spi_board_info, |
640 | ARRAY_SIZE(omap3stalker_spi_board_info)); | |
641 | ||
642 | omap_serial_init(); | |
643 | usb_musb_init(&musb_board_data); | |
644 | usb_ehci_init(&ehci_pdata); | |
645 | ads7846_dev_init(); | |
646 | ||
647 | omap_mux_init_gpio(21, OMAP_PIN_OUTPUT); | |
648 | omap_mux_init_gpio(18, OMAP_PIN_INPUT_PULLUP); | |
649 | ||
650 | omap3stalker_init_eth(); | |
651 | omap3_stalker_display_init(); | |
652 | /* Ensure SDRC pins are mux'd for self-refresh */ | |
653 | omap_mux_init_signal("sdr_cke0", OMAP_PIN_OUTPUT); | |
654 | omap_mux_init_signal("sdr_cke1", OMAP_PIN_OUTPUT); | |
655 | } | |
656 | ||
9cbc3493 J |
657 | MACHINE_START(SBC3530, "OMAP3 STALKER") |
658 | /* Maintainer: Jason Lam -lzg@ema-tech.com */ | |
9cbc3493 | 659 | .boot_params = 0x80000100, |
869fef41 | 660 | .map_io = omap3_map_io, |
3dc3bad6 | 661 | .init_early = omap3_stalker_init_early, |
9cbc3493 J |
662 | .init_irq = omap3_stalker_init_irq, |
663 | .init_machine = omap3_stalker_init, | |
664 | .timer = &omap_timer, | |
665 | MACHINE_END |