[ARM] pxa/palm: add detect_delay to mmc for PalmTX,T5,LD
[safe/jmp/linux-2.6] / arch / arm / mach-pxa / palmtx.c
1 /*
2  * Hardware definitions for PalmTX
3  *
4  * Author:     Marek Vasut <marek.vasut@gmail.com>
5  *
6  * Based on work of:
7  *              Alex Osborne <ato@meshy.org>
8  *              Cristiano P. <cristianop@users.sourceforge.net>
9  *              Jan Herman <2hp@seznam.cz>
10  *              Michal Hrusecky
11  *
12  * This program is free software; you can redistribute it and/or modify
13  * it under the terms of the GNU General Public License version 2 as
14  * published by the Free Software Foundation.
15  *
16  * (find more info at www.hackndev.com)
17  *
18  */
19
20 #include <linux/platform_device.h>
21 #include <linux/delay.h>
22 #include <linux/irq.h>
23 #include <linux/gpio_keys.h>
24 #include <linux/input.h>
25 #include <linux/pda_power.h>
26 #include <linux/pwm_backlight.h>
27 #include <linux/gpio.h>
28 #include <linux/wm97xx_batt.h>
29 #include <linux/power_supply.h>
30 #include <linux/usb/gpio_vbus.h>
31
32 #include <asm/mach-types.h>
33 #include <asm/mach/arch.h>
34 #include <asm/mach/map.h>
35
36 #include <mach/pxa27x.h>
37 #include <mach/audio.h>
38 #include <mach/palmtx.h>
39 #include <mach/mmc.h>
40 #include <mach/pxafb.h>
41 #include <mach/irda.h>
42 #include <mach/pxa27x_keypad.h>
43 #include <mach/udc.h>
44 #include <mach/palmasoc.h>
45
46 #include "generic.h"
47 #include "devices.h"
48
49 /******************************************************************************
50  * Pin configuration
51  ******************************************************************************/
52 static unsigned long palmtx_pin_config[] __initdata = {
53         /* MMC */
54         GPIO32_MMC_CLK,
55         GPIO92_MMC_DAT_0,
56         GPIO109_MMC_DAT_1,
57         GPIO110_MMC_DAT_2,
58         GPIO111_MMC_DAT_3,
59         GPIO112_MMC_CMD,
60         GPIO14_GPIO,    /* SD detect */
61         GPIO114_GPIO,   /* SD power */
62         GPIO115_GPIO,   /* SD r/o switch */
63
64         /* AC97 */
65         GPIO28_AC97_BITCLK,
66         GPIO29_AC97_SDATA_IN_0,
67         GPIO30_AC97_SDATA_OUT,
68         GPIO31_AC97_SYNC,
69         GPIO89_AC97_SYSCLK,
70         GPIO95_AC97_nRESET,
71
72         /* IrDA */
73         GPIO40_GPIO,    /* ir disable */
74         GPIO46_FICP_RXD,
75         GPIO47_FICP_TXD,
76
77         /* PWM */
78         GPIO16_PWM0_OUT,
79
80         /* USB */
81         GPIO13_GPIO,    /* usb detect */
82         GPIO93_GPIO,    /* usb power */
83
84         /* PCMCIA */
85         GPIO48_nPOE,
86         GPIO49_nPWE,
87         GPIO50_nPIOR,
88         GPIO51_nPIOW,
89         GPIO85_nPCE_1,
90         GPIO54_nPCE_2,
91         GPIO79_PSKTSEL,
92         GPIO55_nPREG,
93         GPIO56_nPWAIT,
94         GPIO57_nIOIS16,
95         GPIO94_GPIO,    /* wifi power 1 */
96         GPIO108_GPIO,   /* wifi power 2 */
97         GPIO116_GPIO,   /* wifi ready */
98
99         /* MATRIX KEYPAD */
100         GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
101         GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
102         GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
103         GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
104         GPIO103_KP_MKOUT_0,
105         GPIO104_KP_MKOUT_1,
106         GPIO105_KP_MKOUT_2,
107
108         /* LCD */
109         GPIO58_LCD_LDD_0,
110         GPIO59_LCD_LDD_1,
111         GPIO60_LCD_LDD_2,
112         GPIO61_LCD_LDD_3,
113         GPIO62_LCD_LDD_4,
114         GPIO63_LCD_LDD_5,
115         GPIO64_LCD_LDD_6,
116         GPIO65_LCD_LDD_7,
117         GPIO66_LCD_LDD_8,
118         GPIO67_LCD_LDD_9,
119         GPIO68_LCD_LDD_10,
120         GPIO69_LCD_LDD_11,
121         GPIO70_LCD_LDD_12,
122         GPIO71_LCD_LDD_13,
123         GPIO72_LCD_LDD_14,
124         GPIO73_LCD_LDD_15,
125         GPIO74_LCD_FCLK,
126         GPIO75_LCD_LCLK,
127         GPIO76_LCD_PCLK,
128         GPIO77_LCD_BIAS,
129
130         /* FFUART */
131         GPIO34_FFUART_RXD,
132         GPIO39_FFUART_TXD,
133
134         /* MISC. */
135         GPIO10_GPIO,    /* hotsync button */
136         GPIO12_GPIO,    /* power detect */
137         GPIO107_GPIO,   /* earphone detect */
138 };
139
140 /******************************************************************************
141  * SD/MMC card controller
142  ******************************************************************************/
143 static struct pxamci_platform_data palmtx_mci_platform_data = {
144         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
145         .gpio_card_detect       = GPIO_NR_PALMTX_SD_DETECT_N,
146         .gpio_card_ro           = GPIO_NR_PALMTX_SD_READONLY,
147         .gpio_power             = GPIO_NR_PALMTX_SD_POWER,
148         .detect_delay           = 20,
149 };
150
151 /******************************************************************************
152  * GPIO keyboard
153  ******************************************************************************/
154 static unsigned int palmtx_matrix_keys[] = {
155         KEY(0, 0, KEY_POWER),
156         KEY(0, 1, KEY_F1),
157         KEY(0, 2, KEY_ENTER),
158
159         KEY(1, 0, KEY_F2),
160         KEY(1, 1, KEY_F3),
161         KEY(1, 2, KEY_F4),
162
163         KEY(2, 0, KEY_UP),
164         KEY(2, 2, KEY_DOWN),
165
166         KEY(3, 0, KEY_RIGHT),
167         KEY(3, 2, KEY_LEFT),
168 };
169
170 static struct pxa27x_keypad_platform_data palmtx_keypad_platform_data = {
171         .matrix_key_rows        = 4,
172         .matrix_key_cols        = 3,
173         .matrix_key_map         = palmtx_matrix_keys,
174         .matrix_key_map_size    = ARRAY_SIZE(palmtx_matrix_keys),
175
176         .debounce_interval      = 30,
177 };
178
179 /******************************************************************************
180  * GPIO keys
181  ******************************************************************************/
182 static struct gpio_keys_button palmtx_pxa_buttons[] = {
183         {KEY_F8, GPIO_NR_PALMTX_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
184 };
185
186 static struct gpio_keys_platform_data palmtx_pxa_keys_data = {
187         .buttons        = palmtx_pxa_buttons,
188         .nbuttons       = ARRAY_SIZE(palmtx_pxa_buttons),
189 };
190
191 static struct platform_device palmtx_pxa_keys = {
192         .name   = "gpio-keys",
193         .id     = -1,
194         .dev    = {
195                 .platform_data = &palmtx_pxa_keys_data,
196         },
197 };
198
199 /******************************************************************************
200  * Backlight
201  ******************************************************************************/
202 static int palmtx_backlight_init(struct device *dev)
203 {
204         int ret;
205
206         ret = gpio_request(GPIO_NR_PALMTX_BL_POWER, "BL POWER");
207         if (ret)
208                 goto err;
209         ret = gpio_direction_output(GPIO_NR_PALMTX_BL_POWER, 0);
210         if (ret)
211                 goto err2;
212         ret = gpio_request(GPIO_NR_PALMTX_LCD_POWER, "LCD POWER");
213         if (ret)
214                 goto err2;
215         ret = gpio_direction_output(GPIO_NR_PALMTX_LCD_POWER, 0);
216         if (ret)
217                 goto err3;
218
219         return 0;
220 err3:
221         gpio_free(GPIO_NR_PALMTX_LCD_POWER);
222 err2:
223         gpio_free(GPIO_NR_PALMTX_BL_POWER);
224 err:
225         return ret;
226 }
227
228 static int palmtx_backlight_notify(int brightness)
229 {
230         gpio_set_value(GPIO_NR_PALMTX_BL_POWER, brightness);
231         gpio_set_value(GPIO_NR_PALMTX_LCD_POWER, brightness);
232         return brightness;
233 }
234
235 static void palmtx_backlight_exit(struct device *dev)
236 {
237         gpio_free(GPIO_NR_PALMTX_BL_POWER);
238         gpio_free(GPIO_NR_PALMTX_LCD_POWER);
239 }
240
241 static struct platform_pwm_backlight_data palmtx_backlight_data = {
242         .pwm_id         = 0,
243         .max_brightness = PALMTX_MAX_INTENSITY,
244         .dft_brightness = PALMTX_MAX_INTENSITY,
245         .pwm_period_ns  = PALMTX_PERIOD_NS,
246         .init           = palmtx_backlight_init,
247         .notify         = palmtx_backlight_notify,
248         .exit           = palmtx_backlight_exit,
249 };
250
251 static struct platform_device palmtx_backlight = {
252         .name   = "pwm-backlight",
253         .dev    = {
254                 .parent         = &pxa27x_device_pwm0.dev,
255                 .platform_data  = &palmtx_backlight_data,
256         },
257 };
258
259 /******************************************************************************
260  * IrDA
261  ******************************************************************************/
262 static int palmtx_irda_startup(struct device *dev)
263 {
264         int err;
265         err = gpio_request(GPIO_NR_PALMTX_IR_DISABLE, "IR DISABLE");
266         if (err)
267                 goto err;
268         err = gpio_direction_output(GPIO_NR_PALMTX_IR_DISABLE, 1);
269         if (err)
270                 gpio_free(GPIO_NR_PALMTX_IR_DISABLE);
271 err:
272         return err;
273 }
274
275 static void palmtx_irda_shutdown(struct device *dev)
276 {
277         gpio_free(GPIO_NR_PALMTX_IR_DISABLE);
278 }
279
280 static void palmtx_irda_transceiver_mode(struct device *dev, int mode)
281 {
282         gpio_set_value(GPIO_NR_PALMTX_IR_DISABLE, mode & IR_OFF);
283         pxa2xx_transceiver_mode(dev, mode);
284 }
285
286 static struct pxaficp_platform_data palmtx_ficp_platform_data = {
287         .startup                = palmtx_irda_startup,
288         .shutdown               = palmtx_irda_shutdown,
289         .transceiver_cap        = IR_SIRMODE | IR_FIRMODE | IR_OFF,
290         .transceiver_mode       = palmtx_irda_transceiver_mode,
291 };
292
293 /******************************************************************************
294  * UDC
295  ******************************************************************************/
296 static struct gpio_vbus_mach_info palmtx_udc_info = {
297         .gpio_vbus              = GPIO_NR_PALMTX_USB_DETECT_N,
298         .gpio_vbus_inverted     = 1,
299         .gpio_pullup            = GPIO_NR_PALMTX_USB_PULLUP,
300 };
301
302 static struct platform_device palmtx_gpio_vbus = {
303         .name   = "gpio-vbus",
304         .id     = -1,
305         .dev    = {
306                 .platform_data  = &palmtx_udc_info,
307         },
308 };
309
310 /******************************************************************************
311  * Power supply
312  ******************************************************************************/
313 static int power_supply_init(struct device *dev)
314 {
315         int ret;
316
317         ret = gpio_request(GPIO_NR_PALMTX_POWER_DETECT, "CABLE_STATE_AC");
318         if (ret)
319                 goto err1;
320         ret = gpio_direction_input(GPIO_NR_PALMTX_POWER_DETECT);
321         if (ret)
322                 goto err2;
323
324         return 0;
325
326 err2:
327         gpio_free(GPIO_NR_PALMTX_POWER_DETECT);
328 err1:
329         return ret;
330 }
331
332 static int palmtx_is_ac_online(void)
333 {
334         return gpio_get_value(GPIO_NR_PALMTX_POWER_DETECT);
335 }
336
337 static void power_supply_exit(struct device *dev)
338 {
339         gpio_free(GPIO_NR_PALMTX_POWER_DETECT);
340 }
341
342 static char *palmtx_supplicants[] = {
343         "main-battery",
344 };
345
346 static struct pda_power_pdata power_supply_info = {
347         .init            = power_supply_init,
348         .is_ac_online    = palmtx_is_ac_online,
349         .exit            = power_supply_exit,
350         .supplied_to     = palmtx_supplicants,
351         .num_supplicants = ARRAY_SIZE(palmtx_supplicants),
352 };
353
354 static struct platform_device power_supply = {
355         .name = "pda-power",
356         .id   = -1,
357         .dev  = {
358                 .platform_data = &power_supply_info,
359         },
360 };
361
362 /******************************************************************************
363  * WM97xx battery
364  ******************************************************************************/
365 static struct wm97xx_batt_info wm97xx_batt_pdata = {
366         .batt_aux       = WM97XX_AUX_ID3,
367         .temp_aux       = WM97XX_AUX_ID2,
368         .charge_gpio    = -1,
369         .max_voltage    = PALMTX_BAT_MAX_VOLTAGE,
370         .min_voltage    = PALMTX_BAT_MIN_VOLTAGE,
371         .batt_mult      = 1000,
372         .batt_div       = 414,
373         .temp_mult      = 1,
374         .temp_div       = 1,
375         .batt_tech      = POWER_SUPPLY_TECHNOLOGY_LIPO,
376         .batt_name      = "main-batt",
377 };
378
379 /******************************************************************************
380  * aSoC audio
381  ******************************************************************************/
382 static struct palm27x_asoc_info palmtx_asoc_pdata = {
383         .jack_gpio      = GPIO_NR_PALMTX_EARPHONE_DETECT,
384 };
385
386 static pxa2xx_audio_ops_t palmtx_ac97_pdata = {
387         .reset_gpio     = 95,
388 };
389
390 static struct platform_device palmtx_asoc = {
391         .name = "palm27x-asoc",
392         .id   = -1,
393         .dev  = {
394                 .platform_data = &palmtx_asoc_pdata,
395         },
396 };
397
398 /******************************************************************************
399  * Framebuffer
400  ******************************************************************************/
401 static struct pxafb_mode_info palmtx_lcd_modes[] = {
402 {
403         .pixclock       = 57692,
404         .xres           = 320,
405         .yres           = 480,
406         .bpp            = 16,
407
408         .left_margin    = 32,
409         .right_margin   = 1,
410         .upper_margin   = 7,
411         .lower_margin   = 1,
412
413         .hsync_len      = 4,
414         .vsync_len      = 1,
415 },
416 };
417
418 static struct pxafb_mach_info palmtx_lcd_screen = {
419         .modes          = palmtx_lcd_modes,
420         .num_modes      = ARRAY_SIZE(palmtx_lcd_modes),
421         .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
422 };
423
424 /******************************************************************************
425  * Power management - standby
426  ******************************************************************************/
427 static void __init palmtx_pm_init(void)
428 {
429         static u32 resume[] = {
430                 0xe3a00101,     /* mov  r0,     #0x40000000 */
431                 0xe380060f,     /* orr  r0, r0, #0x00f00000 */
432                 0xe590f008,     /* ldr  pc, [r0, #0x08] */
433         };
434
435         /* copy the bootloader */
436         memcpy(phys_to_virt(PALMTX_STR_BASE), resume, sizeof(resume));
437 }
438
439 /******************************************************************************
440  * Machine init
441  ******************************************************************************/
442 static struct platform_device *devices[] __initdata = {
443 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
444         &palmtx_pxa_keys,
445 #endif
446         &palmtx_backlight,
447         &power_supply,
448         &palmtx_asoc,
449         &palmtx_gpio_vbus,
450 };
451
452 static struct map_desc palmtx_io_desc[] __initdata = {
453 {
454         .virtual        = PALMTX_PCMCIA_VIRT,
455         .pfn            = __phys_to_pfn(PALMTX_PCMCIA_PHYS),
456         .length         = PALMTX_PCMCIA_SIZE,
457         .type           = MT_DEVICE
458 },
459 };
460
461 static void __init palmtx_map_io(void)
462 {
463         pxa_map_io();
464         iotable_init(palmtx_io_desc, ARRAY_SIZE(palmtx_io_desc));
465 }
466
467 /* setup udc GPIOs initial state */
468 static void __init palmtx_udc_init(void)
469 {
470         if (!gpio_request(GPIO_NR_PALMTX_USB_PULLUP, "UDC Vbus")) {
471                 gpio_direction_output(GPIO_NR_PALMTX_USB_PULLUP, 1);
472                 gpio_free(GPIO_NR_PALMTX_USB_PULLUP);
473         }
474 }
475
476
477 static void __init palmtx_init(void)
478 {
479         pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtx_pin_config));
480
481         palmtx_pm_init();
482         set_pxa_fb_info(&palmtx_lcd_screen);
483         pxa_set_mci_info(&palmtx_mci_platform_data);
484         palmtx_udc_init();
485         pxa_set_ac97_info(&palmtx_ac97_pdata);
486         pxa_set_ficp_info(&palmtx_ficp_platform_data);
487         pxa_set_keypad_info(&palmtx_keypad_platform_data);
488         wm97xx_bat_set_pdata(&wm97xx_batt_pdata);
489
490         platform_add_devices(devices, ARRAY_SIZE(devices));
491 }
492
493 MACHINE_START(PALMTX, "Palm T|X")
494         .phys_io        = PALMTX_PHYS_IO_START,
495         .io_pg_offst    = io_p2v(0x40000000),
496         .boot_params    = 0xa0000100,
497         .map_io         = palmtx_map_io,
498         .init_irq       = pxa27x_init_irq,
499         .timer          = &pxa_timer,
500         .init_machine   = palmtx_init
501 MACHINE_END