ARM: restart: pxa: use new restart hook
[linux-2.6.git] / arch / arm / mach-pxa / palm27x.c
1 /*
2  * Common code for Palm LD, T5, TX, Z72
3  *
4  * Copyright (C) 2010-2011 Marek Vasut <marek.vasut@gmail.com>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  *
10  */
11
12 #include <linux/platform_device.h>
13 #include <linux/delay.h>
14 #include <linux/irq.h>
15 #include <linux/gpio_keys.h>
16 #include <linux/input.h>
17 #include <linux/pda_power.h>
18 #include <linux/pwm_backlight.h>
19 #include <linux/gpio.h>
20 #include <linux/wm97xx.h>
21 #include <linux/power_supply.h>
22 #include <linux/usb/gpio_vbus.h>
23 #include <linux/regulator/max1586.h>
24 #include <linux/i2c/pxa-i2c.h>
25
26 #include <asm/mach-types.h>
27 #include <asm/mach/arch.h>
28 #include <asm/mach/map.h>
29
30 #include <mach/pxa27x.h>
31 #include <mach/audio.h>
32 #include <mach/mmc.h>
33 #include <mach/pxafb.h>
34 #include <mach/irda.h>
35 #include <mach/udc.h>
36 #include <mach/palmasoc.h>
37 #include <mach/palm27x.h>
38
39 #include "generic.h"
40 #include "devices.h"
41
42 /******************************************************************************
43  * SD/MMC card controller
44  ******************************************************************************/
45 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
46 static struct pxamci_platform_data palm27x_mci_platform_data = {
47         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
48         .detect_delay_ms        = 200,
49 };
50
51 void __init palm27x_mmc_init(int detect, int ro, int power,
52                                         int power_inverted)
53 {
54         palm27x_mci_platform_data.gpio_card_detect      = detect;
55         palm27x_mci_platform_data.gpio_card_ro          = ro;
56         palm27x_mci_platform_data.gpio_power            = power;
57         palm27x_mci_platform_data.gpio_power_invert     = power_inverted;
58
59         pxa_set_mci_info(&palm27x_mci_platform_data);
60 }
61 #endif
62
63 /******************************************************************************
64  * Power management - standby
65  ******************************************************************************/
66 #if defined(CONFIG_SUSPEND)
67 void __init palm27x_pm_init(unsigned long str_base)
68 {
69         static const unsigned long resume[] = {
70                 0xe3a00101,     /* mov  r0,     #0x40000000 */
71                 0xe380060f,     /* orr  r0, r0, #0x00f00000 */
72                 0xe590f008,     /* ldr  pc, [r0, #0x08] */
73         };
74
75         /*
76          * Copy the bootloader.
77          * NOTE: PalmZ72 uses a different wakeup method!
78          */
79         memcpy(phys_to_virt(str_base), resume, sizeof(resume));
80 }
81 #endif
82
83 /******************************************************************************
84  * Framebuffer
85  ******************************************************************************/
86 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
87 struct pxafb_mode_info palm_320x480_lcd_mode = {
88         .pixclock       = 57692,
89         .xres           = 320,
90         .yres           = 480,
91         .bpp            = 16,
92
93         .left_margin    = 32,
94         .right_margin   = 1,
95         .upper_margin   = 7,
96         .lower_margin   = 1,
97
98         .hsync_len      = 4,
99         .vsync_len      = 1,
100 };
101
102 struct pxafb_mode_info palm_320x320_lcd_mode = {
103         .pixclock       = 115384,
104         .xres           = 320,
105         .yres           = 320,
106         .bpp            = 16,
107
108         .left_margin    = 27,
109         .right_margin   = 7,
110         .upper_margin   = 7,
111         .lower_margin   = 8,
112
113         .hsync_len      = 6,
114         .vsync_len      = 1,
115 };
116
117 struct pxafb_mode_info palm_320x320_new_lcd_mode = {
118         .pixclock       = 86538,
119         .xres           = 320,
120         .yres           = 320,
121         .bpp            = 16,
122
123         .left_margin    = 20,
124         .right_margin   = 8,
125         .upper_margin   = 8,
126         .lower_margin   = 5,
127
128         .hsync_len      = 4,
129         .vsync_len      = 1,
130 };
131
132 static struct pxafb_mach_info palm27x_lcd_screen = {
133         .num_modes      = 1,
134         .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
135 };
136
137 static int palm27x_lcd_power;
138 static void palm27x_lcd_ctl(int on, struct fb_var_screeninfo *info)
139 {
140         gpio_set_value(palm27x_lcd_power, on);
141 }
142
143 void __init palm27x_lcd_init(int power, struct pxafb_mode_info *mode)
144 {
145         palm27x_lcd_screen.modes = mode;
146
147         if (gpio_is_valid(power)) {
148                 if (!gpio_request(power, "LCD power")) {
149                         pr_err("Palm27x: failed to claim lcd power gpio!\n");
150                         return;
151                 }
152                 if (!gpio_direction_output(power, 1)) {
153                         pr_err("Palm27x: lcd power configuration failed!\n");
154                         return;
155                 }
156                 palm27x_lcd_power = power;
157                 palm27x_lcd_screen.pxafb_lcd_power = palm27x_lcd_ctl;
158         }
159
160         pxa_set_fb_info(NULL, &palm27x_lcd_screen);
161 }
162 #endif
163
164 /******************************************************************************
165  * USB Gadget
166  ******************************************************************************/
167 #if     defined(CONFIG_USB_PXA27X) || \
168         defined(CONFIG_USB_PXA27X_MODULE)
169 static struct gpio_vbus_mach_info palm27x_udc_info = {
170         .gpio_vbus_inverted     = 1,
171 };
172
173 static struct platform_device palm27x_gpio_vbus = {
174         .name   = "gpio-vbus",
175         .id     = -1,
176         .dev    = {
177                 .platform_data  = &palm27x_udc_info,
178         },
179 };
180
181 void __init palm27x_udc_init(int vbus, int pullup, int vbus_inverted)
182 {
183         palm27x_udc_info.gpio_vbus      = vbus;
184         palm27x_udc_info.gpio_pullup    = pullup;
185
186         palm27x_udc_info.gpio_vbus_inverted = vbus_inverted;
187
188         if (!gpio_request(pullup, "USB Pullup")) {
189                 gpio_direction_output(pullup,
190                         palm27x_udc_info.gpio_vbus_inverted);
191                 gpio_free(pullup);
192         } else
193                 return;
194
195         platform_device_register(&palm27x_gpio_vbus);
196 }
197 #endif
198
199 /******************************************************************************
200  * IrDA
201  ******************************************************************************/
202 #if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE)
203 static struct pxaficp_platform_data palm27x_ficp_platform_data = {
204         .transceiver_cap        = IR_SIRMODE | IR_OFF,
205 };
206
207 void __init palm27x_irda_init(int pwdn)
208 {
209         palm27x_ficp_platform_data.gpio_pwdown = pwdn;
210         pxa_set_ficp_info(&palm27x_ficp_platform_data);
211 }
212 #endif
213
214 /******************************************************************************
215  * WM97xx audio, battery
216  ******************************************************************************/
217 #if     defined(CONFIG_TOUCHSCREEN_WM97XX) || \
218         defined(CONFIG_TOUCHSCREEN_WM97XX_MODULE)
219 static struct wm97xx_batt_pdata palm27x_batt_pdata = {
220         .batt_aux       = WM97XX_AUX_ID3,
221         .temp_aux       = WM97XX_AUX_ID2,
222         .charge_gpio    = -1,
223         .batt_mult      = 1000,
224         .batt_div       = 414,
225         .temp_mult      = 1,
226         .temp_div       = 1,
227         .batt_tech      = POWER_SUPPLY_TECHNOLOGY_LIPO,
228         .batt_name      = "main-batt",
229 };
230
231 static struct wm97xx_pdata palm27x_wm97xx_pdata = {
232         .batt_pdata     = &palm27x_batt_pdata,
233 };
234
235 static pxa2xx_audio_ops_t palm27x_ac97_pdata = {
236         .codec_pdata    = { &palm27x_wm97xx_pdata, },
237 };
238
239 static struct palm27x_asoc_info palm27x_asoc_pdata = {
240         .jack_gpio      = -1,
241 };
242
243 static struct platform_device palm27x_asoc = {
244         .name = "palm27x-asoc",
245         .id   = -1,
246         .dev  = {
247                 .platform_data = &palm27x_asoc_pdata,
248         },
249 };
250
251 void __init palm27x_ac97_init(int minv, int maxv, int jack, int reset)
252 {
253         palm27x_ac97_pdata.reset_gpio   = reset;
254         palm27x_asoc_pdata.jack_gpio    = jack;
255
256         if (minv < 0 || maxv < 0) {
257                 palm27x_ac97_pdata.codec_pdata[0] = NULL;
258                 pxa_set_ac97_info(&palm27x_ac97_pdata);
259         } else {
260                 palm27x_batt_pdata.min_voltage  = minv,
261                 palm27x_batt_pdata.max_voltage  = maxv,
262
263                 pxa_set_ac97_info(&palm27x_ac97_pdata);
264                 platform_device_register(&palm27x_asoc);
265         }
266 }
267 #endif
268
269 /******************************************************************************
270  * Backlight
271  ******************************************************************************/
272 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
273 static int palm_bl_power;
274 static int palm_lcd_power;
275
276 static int palm27x_backlight_init(struct device *dev)
277 {
278         int ret;
279
280         ret = gpio_request(palm_bl_power, "BL POWER");
281         if (ret)
282                 goto err;
283         ret = gpio_direction_output(palm_bl_power, 0);
284         if (ret)
285                 goto err2;
286
287         if (gpio_is_valid(palm_lcd_power)) {
288                 ret = gpio_request(palm_lcd_power, "LCD POWER");
289                 if (ret)
290                         goto err2;
291                 ret = gpio_direction_output(palm_lcd_power, 0);
292                 if (ret)
293                         goto err3;
294         }
295
296         return 0;
297 err3:
298         gpio_free(palm_lcd_power);
299 err2:
300         gpio_free(palm_bl_power);
301 err:
302         return ret;
303 }
304
305 static int palm27x_backlight_notify(struct device *dev, int brightness)
306 {
307         gpio_set_value(palm_bl_power, brightness);
308         if (gpio_is_valid(palm_lcd_power))
309                 gpio_set_value(palm_lcd_power, brightness);
310         return brightness;
311 }
312
313 static void palm27x_backlight_exit(struct device *dev)
314 {
315         gpio_free(palm_bl_power);
316         if (gpio_is_valid(palm_lcd_power))
317                 gpio_free(palm_lcd_power);
318 }
319
320 static struct platform_pwm_backlight_data palm27x_backlight_data = {
321         .pwm_id         = 0,
322         .max_brightness = 0xfe,
323         .dft_brightness = 0x7e,
324         .pwm_period_ns  = 3500 * 1024,
325         .init           = palm27x_backlight_init,
326         .notify         = palm27x_backlight_notify,
327         .exit           = palm27x_backlight_exit,
328 };
329
330 static struct platform_device palm27x_backlight = {
331         .name   = "pwm-backlight",
332         .dev    = {
333                 .parent         = &pxa27x_device_pwm0.dev,
334                 .platform_data  = &palm27x_backlight_data,
335         },
336 };
337
338 void __init palm27x_pwm_init(int bl, int lcd)
339 {
340         palm_bl_power   = bl;
341         palm_lcd_power  = lcd;
342         platform_device_register(&palm27x_backlight);
343 }
344 #endif
345
346 /******************************************************************************
347  * Power supply
348  ******************************************************************************/
349 #if defined(CONFIG_PDA_POWER) || defined(CONFIG_PDA_POWER_MODULE)
350 static int palm_ac_state;
351 static int palm_usb_state;
352
353 static int palm27x_power_supply_init(struct device *dev)
354 {
355         int ret;
356
357         ret = gpio_request(palm_ac_state, "AC state");
358         if (ret)
359                 goto err1;
360         ret = gpio_direction_input(palm_ac_state);
361         if (ret)
362                 goto err2;
363
364         if (gpio_is_valid(palm_usb_state)) {
365                 ret = gpio_request(palm_usb_state, "USB state");
366                 if (ret)
367                         goto err2;
368                 ret = gpio_direction_input(palm_usb_state);
369                 if (ret)
370                         goto err3;
371         }
372
373         return 0;
374 err3:
375         gpio_free(palm_usb_state);
376 err2:
377         gpio_free(palm_ac_state);
378 err1:
379         return ret;
380 }
381
382 static void palm27x_power_supply_exit(struct device *dev)
383 {
384         gpio_free(palm_usb_state);
385         gpio_free(palm_ac_state);
386 }
387
388 static int palm27x_is_ac_online(void)
389 {
390         return gpio_get_value(palm_ac_state);
391 }
392
393 static int palm27x_is_usb_online(void)
394 {
395         return !gpio_get_value(palm_usb_state);
396 }
397 static char *palm27x_supplicants[] = {
398         "main-battery",
399 };
400
401 static struct pda_power_pdata palm27x_ps_info = {
402         .init                   = palm27x_power_supply_init,
403         .exit                   = palm27x_power_supply_exit,
404         .is_ac_online           = palm27x_is_ac_online,
405         .is_usb_online          = palm27x_is_usb_online,
406         .supplied_to            = palm27x_supplicants,
407         .num_supplicants        = ARRAY_SIZE(palm27x_supplicants),
408 };
409
410 static struct platform_device palm27x_power_supply = {
411         .name = "pda-power",
412         .id   = -1,
413         .dev  = {
414                 .platform_data = &palm27x_ps_info,
415         },
416 };
417
418 void __init palm27x_power_init(int ac, int usb)
419 {
420         palm_ac_state   = ac;
421         palm_usb_state  = usb;
422         platform_device_register(&palm27x_power_supply);
423 }
424 #endif
425
426 /******************************************************************************
427  * Core power regulator
428  ******************************************************************************/
429 #if defined(CONFIG_REGULATOR_MAX1586) || \
430     defined(CONFIG_REGULATOR_MAX1586_MODULE)
431 static struct regulator_consumer_supply palm27x_max1587a_consumers[] = {
432         {
433                 .supply = "vcc_core",
434         }
435 };
436
437 static struct regulator_init_data palm27x_max1587a_v3_info = {
438         .constraints = {
439                 .name           = "vcc_core range",
440                 .min_uV         = 900000,
441                 .max_uV         = 1705000,
442                 .always_on      = 1,
443                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
444         },
445         .consumer_supplies      = palm27x_max1587a_consumers,
446         .num_consumer_supplies  = ARRAY_SIZE(palm27x_max1587a_consumers),
447 };
448
449 static struct max1586_subdev_data palm27x_max1587a_subdevs[] = {
450         {
451                 .name           = "vcc_core",
452                 .id             = MAX1586_V3,
453                 .platform_data  = &palm27x_max1587a_v3_info,
454         }
455 };
456
457 static struct max1586_platform_data palm27x_max1587a_info = {
458         .subdevs     = palm27x_max1587a_subdevs,
459         .num_subdevs = ARRAY_SIZE(palm27x_max1587a_subdevs),
460         .v3_gain     = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
461 };
462
463 static struct i2c_board_info __initdata palm27x_pi2c_board_info[] = {
464         {
465                 I2C_BOARD_INFO("max1586", 0x14),
466                 .platform_data  = &palm27x_max1587a_info,
467         },
468 };
469
470 static struct i2c_pxa_platform_data palm27x_i2c_power_info = {
471         .use_pio        = 1,
472 };
473
474 void __init palm27x_pmic_init(void)
475 {
476         i2c_register_board_info(1, ARRAY_AND_SIZE(palm27x_pi2c_board_info));
477         pxa27x_set_i2c_power_info(&palm27x_i2c_power_info);
478 }
479 #endif