Commit | Line | Data |
---|---|---|
e6c3f4b8 | 1 | /* |
bb2ae8f0 TČ |
2 | * Hardware definitions for Palm Treo smartphones |
3 | * | |
4 | * currently supported: | |
5 | * Palm Treo 680 (GSM) | |
d0a92fd3 | 6 | * Palm Centro 685 (GSM) |
e6c3f4b8 TSC |
7 | * |
8 | * Author: Tomas Cech <sleep_walker@suse.cz> | |
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 | * (find more info at www.hackndev.com) | |
15 | * | |
16 | */ | |
17 | ||
18 | #include <linux/platform_device.h> | |
19 | #include <linux/delay.h> | |
20 | #include <linux/irq.h> | |
21 | #include <linux/gpio_keys.h> | |
22 | #include <linux/input.h> | |
8d717a52 | 23 | #include <linux/memblock.h> |
e6c3f4b8 TSC |
24 | #include <linux/pda_power.h> |
25 | #include <linux/pwm_backlight.h> | |
26 | #include <linux/gpio.h> | |
e6c3f4b8 | 27 | #include <linux/power_supply.h> |
e6c3f4b8 TSC |
28 | #include <linux/w1-gpio.h> |
29 | ||
30 | #include <asm/mach-types.h> | |
31 | #include <asm/mach/arch.h> | |
32 | #include <asm/mach/map.h> | |
33 | ||
34 | #include <mach/pxa27x.h> | |
35 | #include <mach/pxa27x-udc.h> | |
36 | #include <mach/audio.h> | |
bb2ae8f0 | 37 | #include <mach/palmtreo.h> |
293b2da1 AB |
38 | #include <linux/platform_data/mmc-pxamci.h> |
39 | #include <linux/platform_data/video-pxafb.h> | |
40 | #include <linux/platform_data/irda-pxaficp.h> | |
41 | #include <linux/platform_data/keypad-pxa27x.h> | |
e6c3f4b8 | 42 | #include <mach/udc.h> |
293b2da1 | 43 | #include <linux/platform_data/usb-ohci-pxa27x.h> |
e6c3f4b8 | 44 | #include <mach/pxa2xx-regs.h> |
293b2da1 AB |
45 | #include <linux/platform_data/asoc-palm27x.h> |
46 | #include <linux/platform_data/camera-pxa.h> | |
31620e21 | 47 | #include <mach/palm27x.h> |
e6c3f4b8 TSC |
48 | |
49 | #include <sound/pxa2xx-lib.h> | |
50 | ||
51 | #include "generic.h" | |
52 | #include "devices.h" | |
53 | ||
54 | /****************************************************************************** | |
55 | * Pin configuration | |
56 | ******************************************************************************/ | |
bb2ae8f0 | 57 | static unsigned long treo_pin_config[] __initdata = { |
e6c3f4b8 TSC |
58 | /* MMC */ |
59 | GPIO32_MMC_CLK, | |
60 | GPIO92_MMC_DAT_0, | |
61 | GPIO109_MMC_DAT_1, | |
62 | GPIO110_MMC_DAT_2, | |
63 | GPIO111_MMC_DAT_3, | |
64 | GPIO112_MMC_CMD, | |
e6c3f4b8 TSC |
65 | GPIO113_GPIO, /* SD detect */ |
66 | ||
67 | /* AC97 */ | |
68 | GPIO28_AC97_BITCLK, | |
69 | GPIO29_AC97_SDATA_IN_0, | |
70 | GPIO30_AC97_SDATA_OUT, | |
71 | GPIO31_AC97_SYNC, | |
72 | GPIO89_AC97_SYSCLK, | |
73 | GPIO95_AC97_nRESET, | |
74 | ||
75 | /* IrDA */ | |
76 | GPIO46_FICP_RXD, | |
77 | GPIO47_FICP_TXD, | |
78 | ||
79 | /* PWM */ | |
80 | GPIO16_PWM0_OUT, | |
81 | ||
82 | /* USB */ | |
83 | GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH, /* usb detect */ | |
84 | ||
85 | /* MATRIX KEYPAD */ | |
e6c3f4b8 TSC |
86 | GPIO101_KP_MKIN_1, |
87 | GPIO102_KP_MKIN_2, | |
88 | GPIO97_KP_MKIN_3, | |
89 | GPIO98_KP_MKIN_4, | |
e6c3f4b8 TSC |
90 | GPIO91_KP_MKIN_6, |
91 | GPIO13_KP_MKIN_7, | |
92 | GPIO103_KP_MKOUT_0 | MFP_LPM_DRIVE_HIGH, | |
93 | GPIO104_KP_MKOUT_1, | |
94 | GPIO105_KP_MKOUT_2, | |
95 | GPIO106_KP_MKOUT_3, | |
96 | GPIO107_KP_MKOUT_4, | |
97 | GPIO108_KP_MKOUT_5, | |
98 | GPIO96_KP_MKOUT_6, | |
99 | GPIO93_KP_DKIN_0 | WAKEUP_ON_LEVEL_HIGH, /* Hotsync button */ | |
100 | ||
e6c3f4b8 TSC |
101 | /* Quick Capture Interface */ |
102 | GPIO84_CIF_FV, | |
103 | GPIO85_CIF_LV, | |
104 | GPIO53_CIF_MCLK, | |
105 | GPIO54_CIF_PCLK, | |
106 | GPIO81_CIF_DD_0, | |
107 | GPIO55_CIF_DD_1, | |
108 | GPIO51_CIF_DD_2, | |
109 | GPIO50_CIF_DD_3, | |
110 | GPIO52_CIF_DD_4, | |
111 | GPIO48_CIF_DD_5, | |
112 | GPIO17_CIF_DD_6, | |
113 | GPIO12_CIF_DD_7, | |
114 | ||
115 | /* I2C */ | |
116 | GPIO117_I2C_SCL, | |
117 | GPIO118_I2C_SDA, | |
118 | ||
119 | /* GSM */ | |
120 | GPIO14_GPIO | WAKEUP_ON_EDGE_BOTH, /* GSM host wake up */ | |
121 | GPIO34_FFUART_RXD, | |
122 | GPIO35_FFUART_CTS, | |
123 | GPIO39_FFUART_TXD, | |
124 | GPIO41_FFUART_RTS, | |
125 | ||
126 | /* MISC. */ | |
127 | GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH, /* external power detect */ | |
128 | GPIO15_GPIO | WAKEUP_ON_EDGE_BOTH, /* silent switch */ | |
129 | GPIO116_GPIO, /* headphone detect */ | |
130 | GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH, /* bluetooth host wake up */ | |
131 | }; | |
132 | ||
bb2ae8f0 TČ |
133 | #ifdef CONFIG_MACH_TREO680 |
134 | static unsigned long treo680_pin_config[] __initdata = { | |
135 | GPIO33_GPIO, /* SD read only */ | |
136 | ||
137 | /* MATRIX KEYPAD - different wake up source */ | |
138 | GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH, | |
139 | GPIO99_KP_MKIN_5, | |
2c33727a MD |
140 | |
141 | /* LCD... L_BIAS alt fn not configured on Treo680; is GPIO instead */ | |
142 | GPIOxx_LCD_16BPP, | |
143 | GPIO74_LCD_FCLK, | |
144 | GPIO75_LCD_LCLK, | |
145 | GPIO76_LCD_PCLK, | |
bb2ae8f0 TČ |
146 | }; |
147 | #endif /* CONFIG_MACH_TREO680 */ | |
148 | ||
d0a92fd3 TČ |
149 | #ifdef CONFIG_MACH_CENTRO |
150 | static unsigned long centro685_pin_config[] __initdata = { | |
151 | /* Bluetooth attached to BT UART*/ | |
152 | MFP_CFG_OUT(GPIO80, AF0, DRIVE_LOW), /* power: LOW = off */ | |
153 | GPIO42_BTUART_RXD, | |
154 | GPIO43_BTUART_TXD, | |
155 | GPIO44_BTUART_CTS, | |
156 | GPIO45_BTUART_RTS, | |
157 | ||
158 | /* MATRIX KEYPAD - different wake up source */ | |
159 | GPIO100_KP_MKIN_0, | |
160 | GPIO99_KP_MKIN_5 | WAKEUP_ON_LEVEL_HIGH, | |
2c33727a MD |
161 | |
162 | /* LCD */ | |
163 | GPIOxx_LCD_TFT_16BPP, | |
d0a92fd3 TČ |
164 | }; |
165 | #endif /* CONFIG_MACH_CENTRO */ | |
166 | ||
e6c3f4b8 TSC |
167 | /****************************************************************************** |
168 | * GPIO keyboard | |
169 | ******************************************************************************/ | |
747f3449 | 170 | #if IS_ENABLED(CONFIG_KEYBOARD_PXA27x) |
0a085a94 | 171 | static const unsigned int treo680_matrix_keys[] = { |
e6c3f4b8 TSC |
172 | KEY(0, 0, KEY_F8), /* Red/Off/Power */ |
173 | KEY(0, 1, KEY_LEFT), | |
174 | KEY(0, 2, KEY_LEFTCTRL), /* Alternate */ | |
175 | KEY(0, 3, KEY_L), | |
176 | KEY(0, 4, KEY_A), | |
177 | KEY(0, 5, KEY_Q), | |
178 | KEY(0, 6, KEY_P), | |
179 | ||
180 | KEY(1, 0, KEY_RIGHTCTRL), /* Menu */ | |
181 | KEY(1, 1, KEY_RIGHT), | |
182 | KEY(1, 2, KEY_LEFTSHIFT), /* Left shift */ | |
183 | KEY(1, 3, KEY_Z), | |
184 | KEY(1, 4, KEY_S), | |
185 | KEY(1, 5, KEY_W), | |
186 | ||
187 | KEY(2, 0, KEY_F1), /* Phone */ | |
188 | KEY(2, 1, KEY_UP), | |
189 | KEY(2, 2, KEY_0), | |
190 | KEY(2, 3, KEY_X), | |
191 | KEY(2, 4, KEY_D), | |
192 | KEY(2, 5, KEY_E), | |
193 | ||
194 | KEY(3, 0, KEY_F10), /* Calendar */ | |
195 | KEY(3, 1, KEY_DOWN), | |
196 | KEY(3, 2, KEY_SPACE), | |
197 | KEY(3, 3, KEY_C), | |
198 | KEY(3, 4, KEY_F), | |
199 | KEY(3, 5, KEY_R), | |
200 | ||
201 | KEY(4, 0, KEY_F12), /* Mail */ | |
202 | KEY(4, 1, KEY_KPENTER), | |
203 | KEY(4, 2, KEY_RIGHTALT), /* Alt */ | |
204 | KEY(4, 3, KEY_V), | |
205 | KEY(4, 4, KEY_G), | |
206 | KEY(4, 5, KEY_T), | |
207 | ||
208 | KEY(5, 0, KEY_F9), /* Home */ | |
209 | KEY(5, 1, KEY_PAGEUP), /* Side up */ | |
210 | KEY(5, 2, KEY_DOT), | |
211 | KEY(5, 3, KEY_B), | |
212 | KEY(5, 4, KEY_H), | |
213 | KEY(5, 5, KEY_Y), | |
214 | ||
215 | KEY(6, 0, KEY_TAB), /* Side Activate */ | |
216 | KEY(6, 1, KEY_PAGEDOWN), /* Side down */ | |
217 | KEY(6, 2, KEY_ENTER), | |
218 | KEY(6, 3, KEY_N), | |
219 | KEY(6, 4, KEY_J), | |
220 | KEY(6, 5, KEY_U), | |
221 | ||
222 | KEY(7, 0, KEY_F6), /* Green/Call */ | |
223 | KEY(7, 1, KEY_O), | |
224 | KEY(7, 2, KEY_BACKSPACE), | |
225 | KEY(7, 3, KEY_M), | |
226 | KEY(7, 4, KEY_K), | |
227 | KEY(7, 5, KEY_I), | |
228 | }; | |
229 | ||
0a085a94 | 230 | static const unsigned int centro_matrix_keys[] = { |
d0a92fd3 TČ |
231 | KEY(0, 0, KEY_F9), /* Home */ |
232 | KEY(0, 1, KEY_LEFT), | |
233 | KEY(0, 2, KEY_LEFTCTRL), /* Alternate */ | |
234 | KEY(0, 3, KEY_L), | |
235 | KEY(0, 4, KEY_A), | |
236 | KEY(0, 5, KEY_Q), | |
237 | KEY(0, 6, KEY_P), | |
238 | ||
239 | KEY(1, 0, KEY_RIGHTCTRL), /* Menu */ | |
240 | KEY(1, 1, KEY_RIGHT), | |
241 | KEY(1, 2, KEY_LEFTSHIFT), /* Left shift */ | |
242 | KEY(1, 3, KEY_Z), | |
243 | KEY(1, 4, KEY_S), | |
244 | KEY(1, 5, KEY_W), | |
245 | ||
246 | KEY(2, 0, KEY_F1), /* Phone */ | |
247 | KEY(2, 1, KEY_UP), | |
248 | KEY(2, 2, KEY_0), | |
249 | KEY(2, 3, KEY_X), | |
250 | KEY(2, 4, KEY_D), | |
251 | KEY(2, 5, KEY_E), | |
252 | ||
253 | KEY(3, 0, KEY_F10), /* Calendar */ | |
254 | KEY(3, 1, KEY_DOWN), | |
255 | KEY(3, 2, KEY_SPACE), | |
256 | KEY(3, 3, KEY_C), | |
257 | KEY(3, 4, KEY_F), | |
258 | KEY(3, 5, KEY_R), | |
259 | ||
260 | KEY(4, 0, KEY_F12), /* Mail */ | |
261 | KEY(4, 1, KEY_KPENTER), | |
262 | KEY(4, 2, KEY_RIGHTALT), /* Alt */ | |
263 | KEY(4, 3, KEY_V), | |
264 | KEY(4, 4, KEY_G), | |
265 | KEY(4, 5, KEY_T), | |
266 | ||
267 | KEY(5, 0, KEY_F8), /* Red/Off/Power */ | |
268 | KEY(5, 1, KEY_PAGEUP), /* Side up */ | |
269 | KEY(5, 2, KEY_DOT), | |
270 | KEY(5, 3, KEY_B), | |
271 | KEY(5, 4, KEY_H), | |
272 | KEY(5, 5, KEY_Y), | |
273 | ||
274 | KEY(6, 0, KEY_TAB), /* Side Activate */ | |
275 | KEY(6, 1, KEY_PAGEDOWN), /* Side down */ | |
276 | KEY(6, 2, KEY_ENTER), | |
277 | KEY(6, 3, KEY_N), | |
278 | KEY(6, 4, KEY_J), | |
279 | KEY(6, 5, KEY_U), | |
280 | ||
281 | KEY(7, 0, KEY_F6), /* Green/Call */ | |
282 | KEY(7, 1, KEY_O), | |
283 | KEY(7, 2, KEY_BACKSPACE), | |
284 | KEY(7, 3, KEY_M), | |
285 | KEY(7, 4, KEY_K), | |
286 | KEY(7, 5, KEY_I), | |
287 | }; | |
288 | ||
0a085a94 CX |
289 | static struct matrix_keymap_data treo680_matrix_keymap_data = { |
290 | .keymap = treo680_matrix_keys, | |
291 | .keymap_size = ARRAY_SIZE(treo680_matrix_keys), | |
292 | }; | |
293 | ||
294 | static struct matrix_keymap_data centro_matrix_keymap_data = { | |
295 | .keymap = centro_matrix_keys, | |
296 | .keymap_size = ARRAY_SIZE(centro_matrix_keys), | |
297 | }; | |
298 | ||
31620e21 | 299 | static struct pxa27x_keypad_platform_data treo680_keypad_pdata = { |
d0a92fd3 TČ |
300 | .matrix_key_rows = 8, |
301 | .matrix_key_cols = 7, | |
0a085a94 | 302 | .matrix_keymap_data = &treo680_matrix_keymap_data, |
d0a92fd3 TČ |
303 | .direct_key_map = { KEY_CONNECT }, |
304 | .direct_key_num = 1, | |
305 | ||
306 | .debounce_interval = 30, | |
307 | }; | |
d0a92fd3 | 308 | |
31620e21 | 309 | static void __init palmtreo_kpc_init(void) |
e6c3f4b8 | 310 | { |
31620e21 | 311 | static struct pxa27x_keypad_platform_data *data = &treo680_keypad_pdata; |
28d7a946 | 312 | |
0a085a94 CX |
313 | if (machine_is_centro()) |
314 | data->matrix_keymap_data = ¢ro_matrix_keymap_data; | |
e6c3f4b8 | 315 | |
31620e21 | 316 | pxa_set_keypad_info(&treo680_keypad_pdata); |
e6c3f4b8 | 317 | } |
31620e21 MV |
318 | #else |
319 | static inline void palmtreo_kpc_init(void) {} | |
320 | #endif | |
e6c3f4b8 TSC |
321 | |
322 | /****************************************************************************** | |
323 | * USB host | |
324 | ******************************************************************************/ | |
747f3449 | 325 | #if IS_ENABLED(CONFIG_USB_OHCI_HCD) |
e6c3f4b8 TSC |
326 | static struct pxaohci_platform_data treo680_ohci_info = { |
327 | .port_mode = PMM_PERPORT_MODE, | |
328 | .flags = ENABLE_PORT1 | ENABLE_PORT3, | |
329 | .power_budget = 0, | |
330 | }; | |
331 | ||
31620e21 | 332 | static void __init palmtreo_uhc_init(void) |
e6c3f4b8 | 333 | { |
31620e21 MV |
334 | if (machine_is_treo680()) |
335 | pxa_set_ohci_info(&treo680_ohci_info); | |
e6c3f4b8 | 336 | } |
31620e21 MV |
337 | #else |
338 | static inline void palmtreo_uhc_init(void) {} | |
339 | #endif | |
e6c3f4b8 TSC |
340 | |
341 | /****************************************************************************** | |
342 | * Vibra and LEDs | |
343 | ******************************************************************************/ | |
bb2ae8f0 | 344 | static struct gpio_led treo680_gpio_leds[] = { |
e6c3f4b8 TSC |
345 | { |
346 | .name = "treo680:vibra:vibra", | |
347 | .default_trigger = "none", | |
348 | .gpio = GPIO_NR_TREO680_VIBRATE_EN, | |
349 | }, | |
350 | { | |
351 | .name = "treo680:green:led", | |
352 | .default_trigger = "mmc0", | |
bb2ae8f0 | 353 | .gpio = GPIO_NR_TREO_GREEN_LED, |
e6c3f4b8 TSC |
354 | }, |
355 | { | |
bb2ae8f0 | 356 | .name = "treo680:white:keybbl", |
e6c3f4b8 TSC |
357 | .default_trigger = "none", |
358 | .gpio = GPIO_NR_TREO680_KEYB_BL, | |
359 | }, | |
360 | }; | |
361 | ||
bb2ae8f0 TČ |
362 | static struct gpio_led_platform_data treo680_gpio_led_info = { |
363 | .leds = treo680_gpio_leds, | |
364 | .num_leds = ARRAY_SIZE(treo680_gpio_leds), | |
e6c3f4b8 TSC |
365 | }; |
366 | ||
d0a92fd3 TČ |
367 | static struct gpio_led centro_gpio_leds[] = { |
368 | { | |
369 | .name = "centro:vibra:vibra", | |
370 | .default_trigger = "none", | |
371 | .gpio = GPIO_NR_CENTRO_VIBRATE_EN, | |
372 | }, | |
373 | { | |
374 | .name = "centro:green:led", | |
375 | .default_trigger = "mmc0", | |
376 | .gpio = GPIO_NR_TREO_GREEN_LED, | |
377 | }, | |
378 | { | |
379 | .name = "centro:white:keybbl", | |
380 | .default_trigger = "none", | |
381 | .active_low = 1, | |
382 | .gpio = GPIO_NR_CENTRO_KEYB_BL, | |
383 | }, | |
384 | }; | |
385 | ||
386 | static struct gpio_led_platform_data centro_gpio_led_info = { | |
387 | .leds = centro_gpio_leds, | |
388 | .num_leds = ARRAY_SIZE(centro_gpio_leds), | |
389 | }; | |
390 | ||
31620e21 | 391 | static struct platform_device palmtreo_leds = { |
d0a92fd3 TČ |
392 | .name = "leds-gpio", |
393 | .id = -1, | |
d0a92fd3 | 394 | }; |
e6c3f4b8 | 395 | |
31620e21 | 396 | static void __init palmtreo_leds_init(void) |
28d7a946 | 397 | { |
31620e21 MV |
398 | if (machine_is_centro()) |
399 | palmtreo_leds.dev.platform_data = ¢ro_gpio_led_info; | |
6a639bb8 MD |
400 | else if (machine_is_treo680()) |
401 | palmtreo_leds.dev.platform_data = &treo680_gpio_led_info; | |
e6c3f4b8 | 402 | |
31620e21 | 403 | platform_device_register(&palmtreo_leds); |
e6c3f4b8 TSC |
404 | } |
405 | ||
8b8842bf MD |
406 | /****************************************************************************** |
407 | * diskonchip docg4 flash | |
408 | ******************************************************************************/ | |
409 | #if defined(CONFIG_MACH_TREO680) | |
410 | /* REVISIT: does the centro have this device also? */ | |
411 | #if IS_ENABLED(CONFIG_MTD_NAND_DOCG4) | |
412 | static struct resource docg4_resources[] = { | |
413 | { | |
414 | .start = 0x00000000, | |
415 | .end = 0x00001FFF, | |
416 | .flags = IORESOURCE_MEM, | |
417 | }, | |
418 | }; | |
419 | ||
420 | static struct platform_device treo680_docg4_flash = { | |
421 | .name = "docg4", | |
422 | .id = -1, | |
423 | .resource = docg4_resources, | |
424 | .num_resources = ARRAY_SIZE(docg4_resources), | |
425 | }; | |
426 | ||
427 | static void __init treo680_docg4_flash_init(void) | |
428 | { | |
429 | platform_device_register(&treo680_docg4_flash); | |
430 | } | |
431 | #else | |
432 | static inline void treo680_docg4_flash_init(void) {} | |
433 | #endif | |
434 | #endif | |
435 | ||
e6c3f4b8 TSC |
436 | /****************************************************************************** |
437 | * Machine init | |
438 | ******************************************************************************/ | |
98c672cf RK |
439 | static void __init treo_reserve(void) |
440 | { | |
8d717a52 RK |
441 | memblock_reserve(0xa0000000, 0x1000); |
442 | memblock_reserve(0xa2000000, 0x1000); | |
98c672cf RK |
443 | } |
444 | ||
31620e21 | 445 | static void __init palmphone_common_init(void) |
bb2ae8f0 | 446 | { |
31620e21 | 447 | pxa2xx_mfp_config(ARRAY_AND_SIZE(treo_pin_config)); |
cc155c6f RK |
448 | pxa_set_ffuart_info(NULL); |
449 | pxa_set_btuart_info(NULL); | |
450 | pxa_set_stuart_info(NULL); | |
31620e21 MV |
451 | palm27x_pm_init(TREO_STR_BASE); |
452 | palm27x_lcd_init(GPIO_NR_TREO_BL_POWER, &palm_320x320_new_lcd_mode); | |
453 | palm27x_udc_init(GPIO_NR_TREO_USB_DETECT, GPIO_NR_TREO_USB_PULLUP, 1); | |
454 | palm27x_irda_init(GPIO_NR_TREO_IR_EN); | |
455 | palm27x_ac97_init(-1, -1, -1, 95); | |
456 | palm27x_pwm_init(GPIO_NR_TREO_BL_POWER, -1); | |
457 | palm27x_power_init(GPIO_NR_TREO_POWER_DETECT, -1); | |
458 | palm27x_pmic_init(); | |
459 | palmtreo_kpc_init(); | |
460 | palmtreo_uhc_init(); | |
461 | palmtreo_leds_init(); | |
bb2ae8f0 TČ |
462 | } |
463 | ||
0c82cc5d | 464 | #ifdef CONFIG_MACH_TREO680 |
2c33727a MD |
465 | void __init treo680_gpio_init(void) |
466 | { | |
467 | unsigned int gpio; | |
468 | ||
469 | /* drive all three lcd gpios high initially */ | |
470 | const unsigned long lcd_flags = GPIOF_INIT_HIGH | GPIOF_DIR_OUT; | |
471 | ||
472 | /* | |
473 | * LCD GPIO initialization... | |
474 | */ | |
475 | ||
476 | /* | |
477 | * This is likely the power to the lcd. Toggling it low/high appears to | |
478 | * turn the lcd off/on. Can be toggled after lcd is initialized without | |
479 | * any apparent adverse effects to the lcd operation. Note that this | |
480 | * gpio line is used by the lcd controller as the L_BIAS signal, but | |
481 | * treo680 configures it as gpio. | |
482 | */ | |
483 | gpio = GPIO_NR_TREO680_LCD_POWER; | |
484 | if (gpio_request_one(gpio, lcd_flags, "LCD power") < 0) | |
485 | goto fail; | |
486 | ||
487 | /* | |
488 | * These two are called "enables", for lack of a better understanding. | |
489 | * If either of these are toggled after the lcd is initialized, the | |
490 | * image becomes degraded. N.B. The IPL shipped with the treo | |
491 | * configures GPIO_NR_TREO680_LCD_EN_N as output and drives it high. If | |
492 | * the IPL is ever reprogrammed, this initialization may be need to be | |
493 | * revisited. | |
494 | */ | |
495 | gpio = GPIO_NR_TREO680_LCD_EN; | |
496 | if (gpio_request_one(gpio, lcd_flags, "LCD enable") < 0) | |
497 | goto fail; | |
498 | gpio = GPIO_NR_TREO680_LCD_EN_N; | |
499 | if (gpio_request_one(gpio, lcd_flags, "LCD enable_n") < 0) | |
500 | goto fail; | |
501 | ||
502 | /* driving this low turns LCD on */ | |
503 | gpio_set_value(GPIO_NR_TREO680_LCD_EN_N, 0); | |
504 | ||
505 | return; | |
506 | fail: | |
507 | pr_err("gpio %d initialization failed\n", gpio); | |
508 | gpio_free(GPIO_NR_TREO680_LCD_POWER); | |
509 | gpio_free(GPIO_NR_TREO680_LCD_EN); | |
510 | gpio_free(GPIO_NR_TREO680_LCD_EN_N); | |
511 | } | |
512 | ||
e6c3f4b8 TSC |
513 | static void __init treo680_init(void) |
514 | { | |
e6c3f4b8 | 515 | pxa2xx_mfp_config(ARRAY_AND_SIZE(treo680_pin_config)); |
31620e21 | 516 | palmphone_common_init(); |
2c33727a | 517 | treo680_gpio_init(); |
31620e21 MV |
518 | palm27x_mmc_init(GPIO_NR_TREO_SD_DETECT_N, GPIO_NR_TREO680_SD_READONLY, |
519 | GPIO_NR_TREO680_SD_POWER, 0); | |
8b8842bf | 520 | treo680_docg4_flash_init(); |
31620e21 | 521 | } |
0c82cc5d | 522 | #endif |
e6c3f4b8 | 523 | |
0c82cc5d | 524 | #ifdef CONFIG_MACH_CENTRO |
31620e21 MV |
525 | static void __init centro_init(void) |
526 | { | |
527 | pxa2xx_mfp_config(ARRAY_AND_SIZE(centro685_pin_config)); | |
528 | palmphone_common_init(); | |
529 | palm27x_mmc_init(GPIO_NR_TREO_SD_DETECT_N, -1, | |
530 | GPIO_NR_CENTRO_SD_POWER, 1); | |
e6c3f4b8 | 531 | } |
0c82cc5d | 532 | #endif |
e6c3f4b8 | 533 | |
0c82cc5d | 534 | #ifdef CONFIG_MACH_TREO680 |
e6c3f4b8 | 535 | MACHINE_START(TREO680, "Palm Treo 680") |
7375aba6 | 536 | .atag_offset = 0x100, |
851982c1 | 537 | .map_io = pxa27x_map_io, |
98c672cf | 538 | .reserve = treo_reserve, |
4e611091 | 539 | .nr_irqs = PXA_NR_IRQS, |
bb2ae8f0 | 540 | .init_irq = pxa27x_init_irq, |
8a97ae2f | 541 | .handle_irq = pxa27x_handle_irq, |
6bb27d73 | 542 | .init_time = pxa_timer_init, |
bb2ae8f0 | 543 | .init_machine = treo680_init, |
271a74fc | 544 | .restart = pxa_restart, |
e6c3f4b8 | 545 | MACHINE_END |
0c82cc5d | 546 | #endif |
d0a92fd3 | 547 | |
0c82cc5d | 548 | #ifdef CONFIG_MACH_CENTRO |
d0a92fd3 | 549 | MACHINE_START(CENTRO, "Palm Centro 685") |
7375aba6 | 550 | .atag_offset = 0x100, |
851982c1 | 551 | .map_io = pxa27x_map_io, |
98c672cf | 552 | .reserve = treo_reserve, |
4e611091 | 553 | .nr_irqs = PXA_NR_IRQS, |
d0a92fd3 | 554 | .init_irq = pxa27x_init_irq, |
8a97ae2f | 555 | .handle_irq = pxa27x_handle_irq, |
6bb27d73 | 556 | .init_time = pxa_timer_init, |
f165eb77 | 557 | .init_machine = centro_init, |
271a74fc | 558 | .restart = pxa_restart, |
d0a92fd3 | 559 | MACHINE_END |
0c82cc5d | 560 | #endif |