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 <mach/pxa27x.h>
35 #include <mach/pxa27x-udc.h>
36 #include <mach/audio.h>
37 #include <mach/palmtreo.h>
38 #include <mach/mmc.h>
39 #include <mach/pxafb.h>
40 #include <mach/irda.h>
41 #include <plat/pxa27x_keypad.h>
42 #include <mach/udc.h>
43 #include <mach/ohci.h>
44 #include <mach/pxa2xx-regs.h>
45 #include <mach/palmasoc.h>
46 #include <mach/camera.h>
47 #include <mach/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 	/* LCD */
102 	GPIOxx_LCD_TFT_16BPP,
103 
104 	/* Quick Capture Interface */
105 	GPIO84_CIF_FV,
106 	GPIO85_CIF_LV,
107 	GPIO53_CIF_MCLK,
108 	GPIO54_CIF_PCLK,
109 	GPIO81_CIF_DD_0,
110 	GPIO55_CIF_DD_1,
111 	GPIO51_CIF_DD_2,
112 	GPIO50_CIF_DD_3,
113 	GPIO52_CIF_DD_4,
114 	GPIO48_CIF_DD_5,
115 	GPIO17_CIF_DD_6,
116 	GPIO12_CIF_DD_7,
117 
118 	/* I2C */
119 	GPIO117_I2C_SCL,
120 	GPIO118_I2C_SDA,
121 
122 	/* GSM */
123 	GPIO14_GPIO | WAKEUP_ON_EDGE_BOTH,	/* GSM host wake up */
124 	GPIO34_FFUART_RXD,
125 	GPIO35_FFUART_CTS,
126 	GPIO39_FFUART_TXD,
127 	GPIO41_FFUART_RTS,
128 
129 	/* MISC. */
130 	GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH,	/* external power detect */
131 	GPIO15_GPIO | WAKEUP_ON_EDGE_BOTH,	/* silent switch */
132 	GPIO116_GPIO,				/* headphone detect */
133 	GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH,	/* bluetooth host wake up */
134 };
135 
136 #ifdef CONFIG_MACH_TREO680
137 static unsigned long treo680_pin_config[] __initdata = {
138 	GPIO33_GPIO,    /* SD read only */
139 
140 	/* MATRIX KEYPAD - different wake up source */
141 	GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
142 	GPIO99_KP_MKIN_5,
143 };
144 #endif /* CONFIG_MACH_TREO680 */
145 
146 #ifdef CONFIG_MACH_CENTRO
147 static unsigned long centro685_pin_config[] __initdata = {
148 	/* Bluetooth attached to BT UART*/
149 	MFP_CFG_OUT(GPIO80, AF0, DRIVE_LOW),    /* power: LOW = off */
150 	GPIO42_BTUART_RXD,
151 	GPIO43_BTUART_TXD,
152 	GPIO44_BTUART_CTS,
153 	GPIO45_BTUART_RTS,
154 
155 	/* MATRIX KEYPAD - different wake up source */
156 	GPIO100_KP_MKIN_0,
157 	GPIO99_KP_MKIN_5 | WAKEUP_ON_LEVEL_HIGH,
158 };
159 #endif /* CONFIG_MACH_CENTRO */
160 
161 /******************************************************************************
162  * GPIO keyboard
163  ******************************************************************************/
164 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
165 static unsigned int treo680_matrix_keys[] = {
166 	KEY(0, 0, KEY_F8),		/* Red/Off/Power */
167 	KEY(0, 1, KEY_LEFT),
168 	KEY(0, 2, KEY_LEFTCTRL),	/* Alternate */
169 	KEY(0, 3, KEY_L),
170 	KEY(0, 4, KEY_A),
171 	KEY(0, 5, KEY_Q),
172 	KEY(0, 6, KEY_P),
173 
174 	KEY(1, 0, KEY_RIGHTCTRL),	/* Menu */
175 	KEY(1, 1, KEY_RIGHT),
176 	KEY(1, 2, KEY_LEFTSHIFT),	/* Left shift */
177 	KEY(1, 3, KEY_Z),
178 	KEY(1, 4, KEY_S),
179 	KEY(1, 5, KEY_W),
180 
181 	KEY(2, 0, KEY_F1),		/* Phone */
182 	KEY(2, 1, KEY_UP),
183 	KEY(2, 2, KEY_0),
184 	KEY(2, 3, KEY_X),
185 	KEY(2, 4, KEY_D),
186 	KEY(2, 5, KEY_E),
187 
188 	KEY(3, 0, KEY_F10),		/* Calendar */
189 	KEY(3, 1, KEY_DOWN),
190 	KEY(3, 2, KEY_SPACE),
191 	KEY(3, 3, KEY_C),
192 	KEY(3, 4, KEY_F),
193 	KEY(3, 5, KEY_R),
194 
195 	KEY(4, 0, KEY_F12),		/* Mail */
196 	KEY(4, 1, KEY_KPENTER),
197 	KEY(4, 2, KEY_RIGHTALT),	/* Alt */
198 	KEY(4, 3, KEY_V),
199 	KEY(4, 4, KEY_G),
200 	KEY(4, 5, KEY_T),
201 
202 	KEY(5, 0, KEY_F9),		/* Home */
203 	KEY(5, 1, KEY_PAGEUP),		/* Side up */
204 	KEY(5, 2, KEY_DOT),
205 	KEY(5, 3, KEY_B),
206 	KEY(5, 4, KEY_H),
207 	KEY(5, 5, KEY_Y),
208 
209 	KEY(6, 0, KEY_TAB),		/* Side Activate */
210 	KEY(6, 1, KEY_PAGEDOWN),	/* Side down */
211 	KEY(6, 2, KEY_ENTER),
212 	KEY(6, 3, KEY_N),
213 	KEY(6, 4, KEY_J),
214 	KEY(6, 5, KEY_U),
215 
216 	KEY(7, 0, KEY_F6),		/* Green/Call */
217 	KEY(7, 1, KEY_O),
218 	KEY(7, 2, KEY_BACKSPACE),
219 	KEY(7, 3, KEY_M),
220 	KEY(7, 4, KEY_K),
221 	KEY(7, 5, KEY_I),
222 };
223 
224 static unsigned int centro_matrix_keys[] = {
225 	KEY(0, 0, KEY_F9),		/* Home */
226 	KEY(0, 1, KEY_LEFT),
227 	KEY(0, 2, KEY_LEFTCTRL),	/* Alternate */
228 	KEY(0, 3, KEY_L),
229 	KEY(0, 4, KEY_A),
230 	KEY(0, 5, KEY_Q),
231 	KEY(0, 6, KEY_P),
232 
233 	KEY(1, 0, KEY_RIGHTCTRL),	/* Menu */
234 	KEY(1, 1, KEY_RIGHT),
235 	KEY(1, 2, KEY_LEFTSHIFT),	/* Left shift */
236 	KEY(1, 3, KEY_Z),
237 	KEY(1, 4, KEY_S),
238 	KEY(1, 5, KEY_W),
239 
240 	KEY(2, 0, KEY_F1),		/* Phone */
241 	KEY(2, 1, KEY_UP),
242 	KEY(2, 2, KEY_0),
243 	KEY(2, 3, KEY_X),
244 	KEY(2, 4, KEY_D),
245 	KEY(2, 5, KEY_E),
246 
247 	KEY(3, 0, KEY_F10),		/* Calendar */
248 	KEY(3, 1, KEY_DOWN),
249 	KEY(3, 2, KEY_SPACE),
250 	KEY(3, 3, KEY_C),
251 	KEY(3, 4, KEY_F),
252 	KEY(3, 5, KEY_R),
253 
254 	KEY(4, 0, KEY_F12),		/* Mail */
255 	KEY(4, 1, KEY_KPENTER),
256 	KEY(4, 2, KEY_RIGHTALT),	/* Alt */
257 	KEY(4, 3, KEY_V),
258 	KEY(4, 4, KEY_G),
259 	KEY(4, 5, KEY_T),
260 
261 	KEY(5, 0, KEY_F8),		/* Red/Off/Power */
262 	KEY(5, 1, KEY_PAGEUP),		/* Side up */
263 	KEY(5, 2, KEY_DOT),
264 	KEY(5, 3, KEY_B),
265 	KEY(5, 4, KEY_H),
266 	KEY(5, 5, KEY_Y),
267 
268 	KEY(6, 0, KEY_TAB),		/* Side Activate */
269 	KEY(6, 1, KEY_PAGEDOWN),	/* Side down */
270 	KEY(6, 2, KEY_ENTER),
271 	KEY(6, 3, KEY_N),
272 	KEY(6, 4, KEY_J),
273 	KEY(6, 5, KEY_U),
274 
275 	KEY(7, 0, KEY_F6),		/* Green/Call */
276 	KEY(7, 1, KEY_O),
277 	KEY(7, 2, KEY_BACKSPACE),
278 	KEY(7, 3, KEY_M),
279 	KEY(7, 4, KEY_K),
280 	KEY(7, 5, KEY_I),
281 };
282 
283 static struct pxa27x_keypad_platform_data treo680_keypad_pdata = {
284 	.matrix_key_rows	= 8,
285 	.matrix_key_cols	= 7,
286 	.matrix_key_map		= treo680_matrix_keys,
287 	.matrix_key_map_size	= ARRAY_SIZE(treo680_matrix_keys),
288 	.direct_key_map		= { KEY_CONNECT },
289 	.direct_key_num		= 1,
290 
291 	.debounce_interval	= 30,
292 };
293 
palmtreo_kpc_init(void)294 static void __init palmtreo_kpc_init(void)
295 {
296 	static struct pxa27x_keypad_platform_data *data = &treo680_keypad_pdata;
297 
298 	if (machine_is_centro()) {
299 		data->matrix_key_map = centro_matrix_keys;
300 		data->matrix_key_map_size = ARRAY_SIZE(centro_matrix_keys);
301 	}
302 
303 	pxa_set_keypad_info(&treo680_keypad_pdata);
304 }
305 #else
palmtreo_kpc_init(void)306 static inline void palmtreo_kpc_init(void) {}
307 #endif
308 
309 /******************************************************************************
310  * USB host
311  ******************************************************************************/
312 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
313 static struct pxaohci_platform_data treo680_ohci_info = {
314 	.port_mode    = PMM_PERPORT_MODE,
315 	.flags        = ENABLE_PORT1 | ENABLE_PORT3,
316 	.power_budget = 0,
317 };
318 
palmtreo_uhc_init(void)319 static void __init palmtreo_uhc_init(void)
320 {
321 	if (machine_is_treo680())
322 		pxa_set_ohci_info(&treo680_ohci_info);
323 }
324 #else
palmtreo_uhc_init(void)325 static inline void palmtreo_uhc_init(void) {}
326 #endif
327 
328 /******************************************************************************
329  * Vibra and LEDs
330  ******************************************************************************/
331 #ifdef CONFIG_MACH_TREO680
332 static struct gpio_led treo680_gpio_leds[] = {
333 	{
334 		.name			= "treo680:vibra:vibra",
335 		.default_trigger	= "none",
336 		.gpio			= GPIO_NR_TREO680_VIBRATE_EN,
337 	},
338 	{
339 		.name			= "treo680:green:led",
340 		.default_trigger	= "mmc0",
341 		.gpio			= GPIO_NR_TREO_GREEN_LED,
342 	},
343 	{
344 		.name			= "treo680:white:keybbl",
345 		.default_trigger	= "none",
346 		.gpio			= GPIO_NR_TREO680_KEYB_BL,
347 	},
348 };
349 
350 static struct gpio_led_platform_data treo680_gpio_led_info = {
351 	.leds		= treo680_gpio_leds,
352 	.num_leds	= ARRAY_SIZE(treo680_gpio_leds),
353 };
354 
355 static struct gpio_led centro_gpio_leds[] = {
356 	{
357 		.name			= "centro:vibra:vibra",
358 		.default_trigger	= "none",
359 		.gpio			= GPIO_NR_CENTRO_VIBRATE_EN,
360 	},
361 	{
362 		.name			= "centro:green:led",
363 		.default_trigger	= "mmc0",
364 		.gpio			= GPIO_NR_TREO_GREEN_LED,
365 	},
366 	{
367 		.name			= "centro:white:keybbl",
368 		.default_trigger	= "none",
369 		.active_low		= 1,
370 		.gpio			= GPIO_NR_CENTRO_KEYB_BL,
371 	},
372 };
373 
374 static struct gpio_led_platform_data centro_gpio_led_info = {
375 	.leds		= centro_gpio_leds,
376 	.num_leds	= ARRAY_SIZE(centro_gpio_leds),
377 };
378 
379 static struct platform_device palmtreo_leds = {
380 	.name   = "leds-gpio",
381 	.id     = -1,
382 	.dev    = {
383 		.platform_data  = &treo680_gpio_led_info,
384 	}
385 };
386 
palmtreo_leds_init(void)387 static void __init palmtreo_leds_init(void)
388 {
389 	if (machine_is_centro())
390 		palmtreo_leds.dev.platform_data = &centro_gpio_led_info;
391 
392 	platform_device_register(&palmtreo_leds);
393 }
394 #else
palmtreo_leds_init(void)395 static inline void palmtreo_leds_init(void) {}
396 #endif
397 
398 /******************************************************************************
399  * Machine init
400  ******************************************************************************/
treo_reserve(void)401 static void __init treo_reserve(void)
402 {
403 	memblock_reserve(0xa0000000, 0x1000);
404 	memblock_reserve(0xa2000000, 0x1000);
405 }
406 
palmphone_common_init(void)407 static void __init palmphone_common_init(void)
408 {
409 	pxa2xx_mfp_config(ARRAY_AND_SIZE(treo_pin_config));
410 	pxa_set_ffuart_info(NULL);
411 	pxa_set_btuart_info(NULL);
412 	pxa_set_stuart_info(NULL);
413 	palm27x_pm_init(TREO_STR_BASE);
414 	palm27x_lcd_init(GPIO_NR_TREO_BL_POWER, &palm_320x320_new_lcd_mode);
415 	palm27x_udc_init(GPIO_NR_TREO_USB_DETECT, GPIO_NR_TREO_USB_PULLUP, 1);
416 	palm27x_irda_init(GPIO_NR_TREO_IR_EN);
417 	palm27x_ac97_init(-1, -1, -1, 95);
418 	palm27x_pwm_init(GPIO_NR_TREO_BL_POWER, -1);
419 	palm27x_power_init(GPIO_NR_TREO_POWER_DETECT, -1);
420 	palm27x_pmic_init();
421 	palmtreo_kpc_init();
422 	palmtreo_uhc_init();
423 	palmtreo_leds_init();
424 }
425 
426 #ifdef CONFIG_MACH_TREO680
treo680_init(void)427 static void __init treo680_init(void)
428 {
429 	pxa2xx_mfp_config(ARRAY_AND_SIZE(treo680_pin_config));
430 	palmphone_common_init();
431 	palm27x_mmc_init(GPIO_NR_TREO_SD_DETECT_N, GPIO_NR_TREO680_SD_READONLY,
432 			GPIO_NR_TREO680_SD_POWER, 0);
433 }
434 #endif
435 
436 #ifdef CONFIG_MACH_CENTRO
centro_init(void)437 static void __init centro_init(void)
438 {
439 	pxa2xx_mfp_config(ARRAY_AND_SIZE(centro685_pin_config));
440 	palmphone_common_init();
441 	palm27x_mmc_init(GPIO_NR_TREO_SD_DETECT_N, -1,
442 			GPIO_NR_CENTRO_SD_POWER, 1);
443 }
444 #endif
445 
446 #ifdef CONFIG_MACH_TREO680
447 MACHINE_START(TREO680, "Palm Treo 680")
448 	.atag_offset    = 0x100,
449 	.map_io         = pxa27x_map_io,
450 	.reserve	= treo_reserve,
451 	.nr_irqs	= PXA_NR_IRQS,
452 	.init_irq       = pxa27x_init_irq,
453 	.handle_irq       = pxa27x_handle_irq,
454 	.timer          = &pxa_timer,
455 	.init_machine   = treo680_init,
456 	.restart	= pxa_restart,
457 MACHINE_END
458 #endif
459 
460 #ifdef CONFIG_MACH_CENTRO
461 MACHINE_START(CENTRO, "Palm Centro 685")
462 	.atag_offset    = 0x100,
463 	.map_io         = pxa27x_map_io,
464 	.reserve	= treo_reserve,
465 	.nr_irqs	= PXA_NR_IRQS,
466 	.init_irq       = pxa27x_init_irq,
467 	.handle_irq       = pxa27x_handle_irq,
468 	.timer          = &pxa_timer,
469 	.init_machine	= centro_init,
470 	.restart	= pxa_restart,
471 MACHINE_END
472 #endif
473