88dcaac358a234cc83f95abbcc350d51d771e60c
[linux-2.6.git] / arch / arm / mach-pxa / palmt5.c
1 /*
2  * Hardware definitions for Palm Tungsten|T5
3  *
4  * Author:      Marek Vasut <marek.vasut@gmail.com>
5  *
6  * Based on work of:
7  *              Ales Snuparek <snuparek@atlas.cz>
8  *              Justin Kendrick <twilightsentry@gmail.com>
9  *              RichardT5 <richard_t5@users.sourceforge.net>
10  *
11  * This program is free software; you can redistribute it and/or modify
12  * it under the terms of the GNU General Public License version 2 as
13  * published by the Free Software Foundation.
14  *
15  * (find more info at www.hackndev.com)
16  *
17  */
18
19 #include <linux/platform_device.h>
20 #include <linux/delay.h>
21 #include <linux/irq.h>
22 #include <linux/gpio_keys.h>
23 #include <linux/input.h>
24 #include <linux/pda_power.h>
25 #include <linux/pwm_backlight.h>
26 #include <linux/gpio.h>
27 #include <linux/wm97xx_batt.h>
28 #include <linux/power_supply.h>
29 #include <linux/usb/gpio_vbus.h>
30
31 #include <asm/mach-types.h>
32 #include <asm/mach/arch.h>
33 #include <asm/mach/map.h>
34
35 #include <mach/pxa27x.h>
36 #include <mach/audio.h>
37 #include <mach/palmt5.h>
38 #include <mach/mmc.h>
39 #include <mach/pxafb.h>
40 #include <mach/irda.h>
41 #include <mach/pxa27x_keypad.h>
42 #include <mach/udc.h>
43 #include <mach/palmasoc.h>
44
45 #include "generic.h"
46 #include "devices.h"
47
48 /******************************************************************************
49  * Pin configuration
50  ******************************************************************************/
51 static unsigned long palmt5_pin_config[] __initdata = {
52         /* MMC */
53         GPIO32_MMC_CLK,
54         GPIO92_MMC_DAT_0,
55         GPIO109_MMC_DAT_1,
56         GPIO110_MMC_DAT_2,
57         GPIO111_MMC_DAT_3,
58         GPIO112_MMC_CMD,
59         GPIO14_GPIO,    /* SD detect */
60         GPIO114_GPIO,   /* SD power */
61         GPIO115_GPIO,   /* SD r/o switch */
62
63         /* AC97 */
64         GPIO28_AC97_BITCLK,
65         GPIO29_AC97_SDATA_IN_0,
66         GPIO30_AC97_SDATA_OUT,
67         GPIO31_AC97_SYNC,
68         GPIO89_AC97_SYSCLK,
69         GPIO95_AC97_nRESET,
70
71         /* IrDA */
72         GPIO40_GPIO,    /* ir disable */
73         GPIO46_FICP_RXD,
74         GPIO47_FICP_TXD,
75
76         /* USB */
77         GPIO15_GPIO,    /* usb detect */
78         GPIO93_GPIO,    /* usb power */
79
80         /* MATRIX KEYPAD */
81         GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
82         GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
83         GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
84         GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
85         GPIO103_KP_MKOUT_0,
86         GPIO104_KP_MKOUT_1,
87         GPIO105_KP_MKOUT_2,
88
89         /* LCD */
90         GPIO58_LCD_LDD_0,
91         GPIO59_LCD_LDD_1,
92         GPIO60_LCD_LDD_2,
93         GPIO61_LCD_LDD_3,
94         GPIO62_LCD_LDD_4,
95         GPIO63_LCD_LDD_5,
96         GPIO64_LCD_LDD_6,
97         GPIO65_LCD_LDD_7,
98         GPIO66_LCD_LDD_8,
99         GPIO67_LCD_LDD_9,
100         GPIO68_LCD_LDD_10,
101         GPIO69_LCD_LDD_11,
102         GPIO70_LCD_LDD_12,
103         GPIO71_LCD_LDD_13,
104         GPIO72_LCD_LDD_14,
105         GPIO73_LCD_LDD_15,
106         GPIO74_LCD_FCLK,
107         GPIO75_LCD_LCLK,
108         GPIO76_LCD_PCLK,
109         GPIO77_LCD_BIAS,
110
111         /* PWM */
112         GPIO16_PWM0_OUT,
113
114         /* FFUART */
115         GPIO34_FFUART_RXD,
116         GPIO39_FFUART_TXD,
117
118         /* MISC */
119         GPIO10_GPIO,    /* hotsync button */
120         GPIO90_GPIO,    /* power detect */
121         GPIO107_GPIO,   /* earphone detect */
122 };
123
124 /******************************************************************************
125  * SD/MMC card controller
126  ******************************************************************************/
127 static struct pxamci_platform_data palmt5_mci_platform_data = {
128         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
129         .gpio_card_detect       = GPIO_NR_PALMT5_SD_DETECT_N,
130         .gpio_card_ro           = GPIO_NR_PALMT5_SD_READONLY,
131         .gpio_power             = GPIO_NR_PALMT5_SD_POWER,
132         .detect_delay           = 20,
133 };
134
135 /******************************************************************************
136  * GPIO keyboard
137  ******************************************************************************/
138 static unsigned int palmt5_matrix_keys[] = {
139         KEY(0, 0, KEY_POWER),
140         KEY(0, 1, KEY_F1),
141         KEY(0, 2, KEY_ENTER),
142
143         KEY(1, 0, KEY_F2),
144         KEY(1, 1, KEY_F3),
145         KEY(1, 2, KEY_F4),
146
147         KEY(2, 0, KEY_UP),
148         KEY(2, 2, KEY_DOWN),
149
150         KEY(3, 0, KEY_RIGHT),
151         KEY(3, 2, KEY_LEFT),
152 };
153
154 static struct pxa27x_keypad_platform_data palmt5_keypad_platform_data = {
155         .matrix_key_rows        = 4,
156         .matrix_key_cols        = 3,
157         .matrix_key_map         = palmt5_matrix_keys,
158         .matrix_key_map_size    = ARRAY_SIZE(palmt5_matrix_keys),
159
160         .debounce_interval      = 30,
161 };
162
163 /******************************************************************************
164  * GPIO keys
165  ******************************************************************************/
166 static struct gpio_keys_button palmt5_pxa_buttons[] = {
167         {KEY_F8, GPIO_NR_PALMT5_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
168 };
169
170 static struct gpio_keys_platform_data palmt5_pxa_keys_data = {
171         .buttons        = palmt5_pxa_buttons,
172         .nbuttons       = ARRAY_SIZE(palmt5_pxa_buttons),
173 };
174
175 static struct platform_device palmt5_pxa_keys = {
176         .name   = "gpio-keys",
177         .id     = -1,
178         .dev    = {
179                 .platform_data = &palmt5_pxa_keys_data,
180         },
181 };
182
183 /******************************************************************************
184  * Backlight
185  ******************************************************************************/
186 static int palmt5_backlight_init(struct device *dev)
187 {
188         int ret;
189
190         ret = gpio_request(GPIO_NR_PALMT5_BL_POWER, "BL POWER");
191         if (ret)
192                 goto err;
193         ret = gpio_direction_output(GPIO_NR_PALMT5_BL_POWER, 0);
194         if (ret)
195                 goto err2;
196         ret = gpio_request(GPIO_NR_PALMT5_LCD_POWER, "LCD POWER");
197         if (ret)
198                 goto err2;
199         ret = gpio_direction_output(GPIO_NR_PALMT5_LCD_POWER, 0);
200         if (ret)
201                 goto err3;
202
203         return 0;
204 err3:
205         gpio_free(GPIO_NR_PALMT5_LCD_POWER);
206 err2:
207         gpio_free(GPIO_NR_PALMT5_BL_POWER);
208 err:
209         return ret;
210 }
211
212 static int palmt5_backlight_notify(int brightness)
213 {
214         gpio_set_value(GPIO_NR_PALMT5_BL_POWER, brightness);
215         gpio_set_value(GPIO_NR_PALMT5_LCD_POWER, brightness);
216         return brightness;
217 }
218
219 static void palmt5_backlight_exit(struct device *dev)
220 {
221         gpio_free(GPIO_NR_PALMT5_BL_POWER);
222         gpio_free(GPIO_NR_PALMT5_LCD_POWER);
223 }
224
225 static struct platform_pwm_backlight_data palmt5_backlight_data = {
226         .pwm_id         = 0,
227         .max_brightness = PALMT5_MAX_INTENSITY,
228         .dft_brightness = PALMT5_MAX_INTENSITY,
229         .pwm_period_ns  = PALMT5_PERIOD_NS,
230         .init           = palmt5_backlight_init,
231         .notify         = palmt5_backlight_notify,
232         .exit           = palmt5_backlight_exit,
233 };
234
235 static struct platform_device palmt5_backlight = {
236         .name   = "pwm-backlight",
237         .dev    = {
238                 .parent         = &pxa27x_device_pwm0.dev,
239                 .platform_data  = &palmt5_backlight_data,
240         },
241 };
242
243 /******************************************************************************
244  * IrDA
245  ******************************************************************************/
246 static int palmt5_irda_startup(struct device *dev)
247 {
248         int err;
249         err = gpio_request(GPIO_NR_PALMT5_IR_DISABLE, "IR DISABLE");
250         if (err)
251                 goto err;
252         err = gpio_direction_output(GPIO_NR_PALMT5_IR_DISABLE, 1);
253         if (err)
254                 gpio_free(GPIO_NR_PALMT5_IR_DISABLE);
255 err:
256         return err;
257 }
258
259 static void palmt5_irda_shutdown(struct device *dev)
260 {
261         gpio_free(GPIO_NR_PALMT5_IR_DISABLE);
262 }
263
264 static void palmt5_irda_transceiver_mode(struct device *dev, int mode)
265 {
266         gpio_set_value(GPIO_NR_PALMT5_IR_DISABLE, mode & IR_OFF);
267         pxa2xx_transceiver_mode(dev, mode);
268 }
269
270 static struct pxaficp_platform_data palmt5_ficp_platform_data = {
271         .startup                = palmt5_irda_startup,
272         .shutdown               = palmt5_irda_shutdown,
273         .transceiver_cap        = IR_SIRMODE | IR_FIRMODE | IR_OFF,
274         .transceiver_mode       = palmt5_irda_transceiver_mode,
275 };
276
277 /******************************************************************************
278  * UDC
279  ******************************************************************************/
280 static struct gpio_vbus_mach_info palmt5_udc_info = {
281         .gpio_vbus              = GPIO_NR_PALMT5_USB_DETECT_N,
282         .gpio_vbus_inverted     = 1,
283         .gpio_pullup            = GPIO_NR_PALMT5_USB_PULLUP,
284 };
285
286 static struct platform_device palmt5_gpio_vbus = {
287         .name   = "gpio-vbus",
288         .id     = -1,
289         .dev    = {
290                 .platform_data  = &palmt5_udc_info,
291         },
292 };
293
294 /******************************************************************************
295  * Power supply
296  ******************************************************************************/
297 static int power_supply_init(struct device *dev)
298 {
299         int ret;
300
301         ret = gpio_request(GPIO_NR_PALMT5_POWER_DETECT, "CABLE_STATE_AC");
302         if (ret)
303                 goto err1;
304         ret = gpio_direction_input(GPIO_NR_PALMT5_POWER_DETECT);
305         if (ret)
306                 goto err2;
307
308         return 0;
309 err2:
310         gpio_free(GPIO_NR_PALMT5_POWER_DETECT);
311 err1:
312         return ret;
313 }
314
315 static int palmt5_is_ac_online(void)
316 {
317         return gpio_get_value(GPIO_NR_PALMT5_POWER_DETECT);
318 }
319
320 static void power_supply_exit(struct device *dev)
321 {
322         gpio_free(GPIO_NR_PALMT5_POWER_DETECT);
323 }
324
325 static char *palmt5_supplicants[] = {
326         "main-battery",
327 };
328
329 static struct pda_power_pdata power_supply_info = {
330         .init            = power_supply_init,
331         .is_ac_online    = palmt5_is_ac_online,
332         .exit            = power_supply_exit,
333         .supplied_to     = palmt5_supplicants,
334         .num_supplicants = ARRAY_SIZE(palmt5_supplicants),
335 };
336
337 static struct platform_device power_supply = {
338         .name = "pda-power",
339         .id   = -1,
340         .dev  = {
341                 .platform_data = &power_supply_info,
342         },
343 };
344
345 /******************************************************************************
346  * WM97xx battery
347  ******************************************************************************/
348 static struct wm97xx_batt_info wm97xx_batt_pdata = {
349         .batt_aux       = WM97XX_AUX_ID3,
350         .temp_aux       = WM97XX_AUX_ID2,
351         .charge_gpio    = -1,
352         .max_voltage    = PALMT5_BAT_MAX_VOLTAGE,
353         .min_voltage    = PALMT5_BAT_MIN_VOLTAGE,
354         .batt_mult      = 1000,
355         .batt_div       = 414,
356         .temp_mult      = 1,
357         .temp_div       = 1,
358         .batt_tech      = POWER_SUPPLY_TECHNOLOGY_LIPO,
359         .batt_name      = "main-batt",
360 };
361
362 /******************************************************************************
363  * aSoC audio
364  ******************************************************************************/
365 static struct palm27x_asoc_info palmt5_asoc_pdata = {
366         .jack_gpio      = GPIO_NR_PALMT5_EARPHONE_DETECT,
367 };
368
369 static pxa2xx_audio_ops_t palmt5_ac97_pdata = {
370         .reset_gpio     = 95,
371 };
372
373 static struct platform_device palmt5_asoc = {
374         .name = "palm27x-asoc",
375         .id   = -1,
376         .dev  = {
377                 .platform_data = &palmt5_asoc_pdata,
378         },
379 };
380
381 /******************************************************************************
382  * Framebuffer
383  ******************************************************************************/
384 static struct pxafb_mode_info palmt5_lcd_modes[] = {
385 {
386         .pixclock       = 57692,
387         .xres           = 320,
388         .yres           = 480,
389         .bpp            = 16,
390
391         .left_margin    = 32,
392         .right_margin   = 1,
393         .upper_margin   = 7,
394         .lower_margin   = 1,
395
396         .hsync_len      = 4,
397         .vsync_len      = 1,
398 },
399 };
400
401 static struct pxafb_mach_info palmt5_lcd_screen = {
402         .modes          = palmt5_lcd_modes,
403         .num_modes      = ARRAY_SIZE(palmt5_lcd_modes),
404         .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
405 };
406
407 /******************************************************************************
408  * Power management - standby
409  ******************************************************************************/
410 static void __init palmt5_pm_init(void)
411 {
412         static u32 resume[] = {
413                 0xe3a00101,     /* mov  r0,     #0x40000000 */
414                 0xe380060f,     /* orr  r0, r0, #0x00f00000 */
415                 0xe590f008,     /* ldr  pc, [r0, #0x08] */
416         };
417
418         /* copy the bootloader */
419         memcpy(phys_to_virt(PALMT5_STR_BASE), resume, sizeof(resume));
420 }
421
422 /******************************************************************************
423  * Machine init
424  ******************************************************************************/
425 static struct platform_device *devices[] __initdata = {
426 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
427         &palmt5_pxa_keys,
428 #endif
429         &palmt5_backlight,
430         &power_supply,
431         &palmt5_asoc,
432         &palmt5_gpio_vbus,
433 };
434
435 /* setup udc GPIOs initial state */
436 static void __init palmt5_udc_init(void)
437 {
438         if (!gpio_request(GPIO_NR_PALMT5_USB_PULLUP, "UDC Vbus")) {
439                 gpio_direction_output(GPIO_NR_PALMT5_USB_PULLUP, 1);
440                 gpio_free(GPIO_NR_PALMT5_USB_PULLUP);
441         }
442 }
443
444 static void __init palmt5_init(void)
445 {
446         pxa2xx_mfp_config(ARRAY_AND_SIZE(palmt5_pin_config));
447
448         palmt5_pm_init();
449         set_pxa_fb_info(&palmt5_lcd_screen);
450         pxa_set_mci_info(&palmt5_mci_platform_data);
451         palmt5_udc_init();
452         pxa_set_ac97_info(&palmt5_ac97_pdata);
453         pxa_set_ficp_info(&palmt5_ficp_platform_data);
454         pxa_set_keypad_info(&palmt5_keypad_platform_data);
455         wm97xx_bat_set_pdata(&wm97xx_batt_pdata);
456
457         platform_add_devices(devices, ARRAY_SIZE(devices));
458 }
459
460 MACHINE_START(PALMT5, "Palm Tungsten|T5")
461         .phys_io        = PALMT5_PHYS_IO_START,
462         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
463         .boot_params    = 0xa0000100,
464         .map_io         = pxa_map_io,
465         .init_irq       = pxa27x_init_irq,
466         .timer          = &pxa_timer,
467         .init_machine   = palmt5_init
468 MACHINE_END