1 /*
2 * Hardware definitions for Palm Treo smartphones
3 *
4 * currently supported:
5 * Palm Treo 680 (GSM)
6 * Palm Centro 685 (GSM)
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>
23 #include <linux/memblock.h>
24 #include <linux/pda_power.h>
25 #include <linux/pwm_backlight.h>
26 #include <linux/gpio.h>
27 #include <linux/power_supply.h>
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 "pxa27x.h"
35 #include "pxa27x-udc.h"
36 #include <mach/audio.h>
37 #include "palmtreo.h"
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>
42 #include "udc.h"
43 #include <linux/platform_data/usb-ohci-pxa27x.h>
44 #include <mach/pxa2xx-regs.h>
45 #include <linux/platform_data/asoc-palm27x.h>
46 #include <linux/platform_data/media/camera-pxa.h>
47 #include "palm27x.h"
48
49 #include <sound/pxa2xx-lib.h>
50
51 #include "generic.h"
52 #include "devices.h"
53
54 /******************************************************************************
55 * Pin configuration
56 ******************************************************************************/
57 static unsigned long treo_pin_config[] __initdata = {
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,
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 */
86 GPIO101_KP_MKIN_1,
87 GPIO102_KP_MKIN_2,
88 GPIO97_KP_MKIN_3,
89 GPIO98_KP_MKIN_4,
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
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
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,
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,
146 };
147 #endif /* CONFIG_MACH_TREO680 */
148
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,
161
162 /* LCD */
163 GPIOxx_LCD_TFT_16BPP,
164 };
165 #endif /* CONFIG_MACH_CENTRO */
166
167 /******************************************************************************
168 * GPIO keyboard
169 ******************************************************************************/
170 #if IS_ENABLED(CONFIG_KEYBOARD_PXA27x)
171 static const unsigned int treo680_matrix_keys[] = {
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
230 static const unsigned int centro_matrix_keys[] = {
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
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
299 static struct pxa27x_keypad_platform_data treo680_keypad_pdata = {
300 .matrix_key_rows = 8,
301 .matrix_key_cols = 7,
302 .matrix_keymap_data = &treo680_matrix_keymap_data,
303 .direct_key_map = { KEY_CONNECT },
304 .direct_key_num = 1,
305
306 .debounce_interval = 30,
307 };
308
palmtreo_kpc_init(void)309 static void __init palmtreo_kpc_init(void)
310 {
311 static struct pxa27x_keypad_platform_data *data = &treo680_keypad_pdata;
312
313 if (machine_is_centro())
314 data->matrix_keymap_data = ¢ro_matrix_keymap_data;
315
316 pxa_set_keypad_info(&treo680_keypad_pdata);
317 }
318 #else
palmtreo_kpc_init(void)319 static inline void palmtreo_kpc_init(void) {}
320 #endif
321
322 /******************************************************************************
323 * USB host
324 ******************************************************************************/
325 #if IS_ENABLED(CONFIG_USB_OHCI_HCD)
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
palmtreo_uhc_init(void)332 static void __init palmtreo_uhc_init(void)
333 {
334 if (machine_is_treo680())
335 pxa_set_ohci_info(&treo680_ohci_info);
336 }
337 #else
palmtreo_uhc_init(void)338 static inline void palmtreo_uhc_init(void) {}
339 #endif
340
341 /******************************************************************************
342 * Vibra and LEDs
343 ******************************************************************************/
344 static struct gpio_led treo680_gpio_leds[] = {
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",
353 .gpio = GPIO_NR_TREO_GREEN_LED,
354 },
355 {
356 .name = "treo680:white:keybbl",
357 .default_trigger = "none",
358 .gpio = GPIO_NR_TREO680_KEYB_BL,
359 },
360 };
361
362 static struct gpio_led_platform_data treo680_gpio_led_info = {
363 .leds = treo680_gpio_leds,
364 .num_leds = ARRAY_SIZE(treo680_gpio_leds),
365 };
366
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
391 static struct platform_device palmtreo_leds = {
392 .name = "leds-gpio",
393 .id = -1,
394 };
395
palmtreo_leds_init(void)396 static void __init palmtreo_leds_init(void)
397 {
398 if (machine_is_centro())
399 palmtreo_leds.dev.platform_data = ¢ro_gpio_led_info;
400 else if (machine_is_treo680())
401 palmtreo_leds.dev.platform_data = &treo680_gpio_led_info;
402
403 platform_device_register(&palmtreo_leds);
404 }
405
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
treo680_docg4_flash_init(void)427 static void __init treo680_docg4_flash_init(void)
428 {
429 platform_device_register(&treo680_docg4_flash);
430 }
431 #else
treo680_docg4_flash_init(void)432 static inline void treo680_docg4_flash_init(void) {}
433 #endif
434 #endif
435
436 /******************************************************************************
437 * Machine init
438 ******************************************************************************/
treo_reserve(void)439 static void __init treo_reserve(void)
440 {
441 memblock_reserve(0xa0000000, 0x1000);
442 memblock_reserve(0xa2000000, 0x1000);
443 }
444
palmphone_common_init(void)445 static void __init palmphone_common_init(void)
446 {
447 pxa2xx_mfp_config(ARRAY_AND_SIZE(treo_pin_config));
448 pxa_set_ffuart_info(NULL);
449 pxa_set_btuart_info(NULL);
450 pxa_set_stuart_info(NULL);
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();
462 }
463
464 #ifdef CONFIG_MACH_TREO680
treo680_gpio_init(void)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
treo680_init(void)513 static void __init treo680_init(void)
514 {
515 pxa2xx_mfp_config(ARRAY_AND_SIZE(treo680_pin_config));
516 palmphone_common_init();
517 treo680_gpio_init();
518 palm27x_mmc_init(GPIO_NR_TREO_SD_DETECT_N, GPIO_NR_TREO680_SD_READONLY,
519 GPIO_NR_TREO680_SD_POWER, 0);
520 treo680_docg4_flash_init();
521 }
522 #endif
523
524 #ifdef CONFIG_MACH_CENTRO
centro_init(void)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);
531 }
532 #endif
533
534 #ifdef CONFIG_MACH_TREO680
535 MACHINE_START(TREO680, "Palm Treo 680")
536 .atag_offset = 0x100,
537 .map_io = pxa27x_map_io,
538 .reserve = treo_reserve,
539 .nr_irqs = PXA_NR_IRQS,
540 .init_irq = pxa27x_init_irq,
541 .handle_irq = pxa27x_handle_irq,
542 .init_time = pxa_timer_init,
543 .init_machine = treo680_init,
544 .restart = pxa_restart,
545 MACHINE_END
546 #endif
547
548 #ifdef CONFIG_MACH_CENTRO
549 MACHINE_START(CENTRO, "Palm Centro 685")
550 .atag_offset = 0x100,
551 .map_io = pxa27x_map_io,
552 .reserve = treo_reserve,
553 .nr_irqs = PXA_NR_IRQS,
554 .init_irq = pxa27x_init_irq,
555 .handle_irq = pxa27x_handle_irq,
556 .init_time = pxa_timer_init,
557 .init_machine = centro_init,
558 .restart = pxa_restart,
559 MACHINE_END
560 #endif
561