ARM: pxa: Update copyright notices for Palm devices
[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
25 #include <asm/mach-types.h>
26 #include <asm/mach/arch.h>
27 #include <asm/mach/map.h>
28
29 #include <mach/pxa27x.h>
30 #include <mach/audio.h>
31 #include <mach/mmc.h>
32 #include <mach/pxafb.h>
33 #include <mach/irda.h>
34 #include <mach/udc.h>
35 #include <mach/palmasoc.h>
36 #include <mach/palm27x.h>
37
38 #include <plat/i2c.h>
39
40 #include "generic.h"
41 #include "devices.h"
42
43 /******************************************************************************
44  * SD/MMC card controller
45  ******************************************************************************/
46 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
47 static struct pxamci_platform_data palm27x_mci_platform_data = {
48         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
49         .detect_delay_ms        = 200,
50 };
51
52 void __init palm27x_mmc_init(int detect, int ro, int power,
53                                         int power_inverted)
54 {
55         palm27x_mci_platform_data.gpio_card_detect      = detect;
56         palm27x_mci_platform_data.gpio_card_ro          = ro;
57         palm27x_mci_platform_data.gpio_power            = power;
58         palm27x_mci_platform_data.gpio_power_invert     = power_inverted;
59
60         pxa_set_mci_info(&palm27x_mci_platform_data);
61 }
62 #endif
63
64 /******************************************************************************
65  * Power management - standby
66  ******************************************************************************/
67 #if defined(CONFIG_SUSPEND)
68 void __init palm27x_pm_init(unsigned long str_base)
69 {
70         static const unsigned long resume[] = {
71                 0xe3a00101,     /* mov  r0,     #0x40000000 */
72                 0xe380060f,     /* orr  r0, r0, #0x00f00000 */
73                 0xe590f008,     /* ldr  pc, [r0, #0x08] */
74         };
75
76         /*
77          * Copy the bootloader.
78          * NOTE: PalmZ72 uses a different wakeup method!
79          */
80         memcpy(phys_to_virt(str_base), resume, sizeof(resume));
81 }
82 #endif
83
84 /******************************************************************************
85  * Framebuffer
86  ******************************************************************************/
87 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
88 struct pxafb_mode_info palm_320x480_lcd_mode = {
89         .pixclock       = 57692,
90         .xres           = 320,
91         .yres           = 480,
92         .bpp            = 16,
93
94         .left_margin    = 32,
95         .right_margin   = 1,
96         .upper_margin   = 7,
97         .lower_margin   = 1,
98
99         .hsync_len      = 4,
100         .vsync_len      = 1,
101 };
102
103 struct pxafb_mode_info palm_320x320_lcd_mode = {
104         .pixclock       = 115384,
105         .xres           = 320,
106         .yres           = 320,
107         .bpp            = 16,
108
109         .left_margin    = 27,
110         .right_margin   = 7,
111         .upper_margin   = 7,
112         .lower_margin   = 8,
113
114         .hsync_len      = 6,
115         .vsync_len      = 1,
116 };
117
118 struct pxafb_mode_info palm_320x320_new_lcd_mode = {
119         .pixclock       = 86538,
120         .xres           = 320,
121         .yres           = 320,
122         .bpp            = 16,
123
124         .left_margin    = 20,
125         .right_margin   = 8,
126         .upper_margin   = 8,
127         .lower_margin   = 5,
128
129         .hsync_len      = 4,
130         .vsync_len      = 1,
131 };
132
133 static struct pxafb_mach_info palm27x_lcd_screen = {
134         .num_modes      = 1,
135         .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
136 };
137
138 static int palm27x_lcd_power;
139 static void palm27x_lcd_ctl(int on, struct fb_var_screeninfo *info)
140 {
141         gpio_set_value(palm27x_lcd_power, on);
142 }
143
144 void __init palm27x_lcd_init(int power, struct pxafb_mode_info *mode)
145 {
146         palm27x_lcd_screen.modes = mode;
147
148         if (gpio_is_valid(power)) {
149                 if (!gpio_request(power, "LCD power")) {
150                         pr_err("Palm27x: failed to claim lcd power gpio!\n");
151                         return;
152                 }
153                 if (!gpio_direction_output(power, 1)) {
154                         pr_err("Palm27x: lcd power configuration failed!\n");
155                         return;
156                 }
157                 palm27x_lcd_power = power;
158                 palm27x_lcd_screen.pxafb_lcd_power = palm27x_lcd_ctl;
159         }
160
161         set_pxa_fb_info(&palm27x_lcd_screen);
162 }
163 #endif
164
165 /******************************************************************************
166  * USB Gadget
167  ******************************************************************************/
168 #if     defined(CONFIG_USB_GADGET_PXA27X) || \
169         defined(CONFIG_USB_GADGET_PXA27X_MODULE)
170 static struct gpio_vbus_mach_info palm27x_udc_info = {
171         .gpio_vbus_inverted     = 1,
172 };
173
174 static struct platform_device palm27x_gpio_vbus = {
175         .name   = "gpio-vbus",
176         .id     = -1,
177         .dev    = {
178                 .platform_data  = &palm27x_udc_info,
179         },
180 };
181
182 void __init palm27x_udc_init(int vbus, int pullup, int vbus_inverted)
183 {
184         palm27x_udc_info.gpio_vbus      = vbus;
185         palm27x_udc_info.gpio_pullup    = pullup;
186
187         palm27x_udc_info.gpio_vbus_inverted = vbus_inverted;
188
189         if (!gpio_request(pullup, "USB Pullup")) {
190                 gpio_direction_output(pullup,
191                         palm27x_udc_info.gpio_vbus_inverted);
192                 gpio_free(pullup);
193         } else
194                 return;
195
196         platform_device_register(&palm27x_gpio_vbus);
197 }
198 #endif
199
200 /******************************************************************************
201  * IrDA
202  ******************************************************************************/
203 #if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE)
204 static struct pxaficp_platform_data palm27x_ficp_platform_data = {
205         .transceiver_cap        = IR_SIRMODE | IR_OFF,
206 };
207
208 void __init palm27x_irda_init(int pwdn)
209 {
210         palm27x_ficp_platform_data.gpio_pwdown = pwdn;
211         pxa_set_ficp_info(&palm27x_ficp_platform_data);
212 }
213 #endif
214
215 /******************************************************************************
216  * WM97xx audio, battery
217  ******************************************************************************/
218 #if     defined(CONFIG_TOUCHSCREEN_WM97XX) || \
219         defined(CONFIG_TOUCHSCREEN_WM97XX_MODULE)
220 static struct wm97xx_batt_pdata palm27x_batt_pdata = {
221         .batt_aux       = WM97XX_AUX_ID3,
222         .temp_aux       = WM97XX_AUX_ID2,
223         .charge_gpio    = -1,
224         .batt_mult      = 1000,
225         .batt_div       = 414,
226         .temp_mult      = 1,
227         .temp_div       = 1,
228         .batt_tech      = POWER_SUPPLY_TECHNOLOGY_LIPO,
229         .batt_name      = "main-batt",
230 };
231
232 static struct wm97xx_pdata palm27x_wm97xx_pdata = {
233         .batt_pdata     = &palm27x_batt_pdata,
234 };
235
236 static pxa2xx_audio_ops_t palm27x_ac97_pdata = {
237         .codec_pdata    = { &palm27x_wm97xx_pdata, },
238 };
239
240 static struct palm27x_asoc_info palm27x_asoc_pdata = {
241         .jack_gpio      = -1,
242 };
243
244 static struct platform_device palm27x_asoc = {
245         .name = "palm27x-asoc",
246         .id   = -1,
247         .dev  = {
248                 .platform_data = &palm27x_asoc_pdata,
249         },
250 };
251
252 void __init palm27x_ac97_init(int minv, int maxv, int jack, int reset)
253 {
254         palm27x_ac97_pdata.reset_gpio   = reset;
255         palm27x_asoc_pdata.jack_gpio    = jack;
256
257         if (minv < 0 || maxv < 0) {
258                 palm27x_ac97_pdata.codec_pdata[0] = NULL;
259                 pxa_set_ac97_info(&palm27x_ac97_pdata);
260         } else {
261                 palm27x_batt_pdata.min_voltage  = minv,
262                 palm27x_batt_pdata.max_voltage  = maxv,
263
264                 pxa_set_ac97_info(&palm27x_ac97_pdata);
265                 platform_device_register(&palm27x_asoc);
266         }
267 }
268 #endif
269
270 /******************************************************************************
271  * Backlight
272  ******************************************************************************/
273 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
274 static int palm_bl_power;
275 static int palm_lcd_power;
276
277 static int palm27x_backlight_init(struct device *dev)
278 {
279         int ret;
280
281         ret = gpio_request(palm_bl_power, "BL POWER");
282         if (ret)
283                 goto err;
284         ret = gpio_direction_output(palm_bl_power, 0);
285         if (ret)
286                 goto err2;
287
288         if (gpio_is_valid(palm_lcd_power)) {
289                 ret = gpio_request(palm_lcd_power, "LCD POWER");
290                 if (ret)
291                         goto err2;
292                 ret = gpio_direction_output(palm_lcd_power, 0);
293                 if (ret)
294                         goto err3;
295         }
296
297         return 0;
298 err3:
299         gpio_free(palm_lcd_power);
300 err2:
301         gpio_free(palm_bl_power);
302 err:
303         return ret;
304 }
305
306 static int palm27x_backlight_notify(struct device *dev, int brightness)
307 {
308         gpio_set_value(palm_bl_power, brightness);
309         if (gpio_is_valid(palm_lcd_power))
310                 gpio_set_value(palm_lcd_power, brightness);
311         return brightness;
312 }
313
314 static void palm27x_backlight_exit(struct device *dev)
315 {
316         gpio_free(palm_bl_power);
317         if (gpio_is_valid(palm_lcd_power))
318                 gpio_free(palm_lcd_power);
319 }
320
321 static struct platform_pwm_backlight_data palm27x_backlight_data = {
322         .pwm_id         = 0,
323         .max_brightness = 0xfe,
324         .dft_brightness = 0x7e,
325         .pwm_period_ns  = 3500 * 1024,
326         .init           = palm27x_backlight_init,
327         .notify         = palm27x_backlight_notify,
328         .exit           = palm27x_backlight_exit,
329 };
330
331 static struct platform_device palm27x_backlight = {
332         .name   = "pwm-backlight",
333         .dev    = {
334                 .parent         = &pxa27x_device_pwm0.dev,
335                 .platform_data  = &palm27x_backlight_data,
336         },
337 };
338
339 void __init palm27x_pwm_init(int bl, int lcd)
340 {
341         palm_bl_power   = bl;
342         palm_lcd_power  = lcd;
343         platform_device_register(&palm27x_backlight);
344 }
345 #endif
346
347 /******************************************************************************
348  * Power supply
349  ******************************************************************************/
350 #if defined(CONFIG_PDA_POWER) || defined(CONFIG_PDA_POWER_MODULE)
351 static int palm_ac_state;
352 static int palm_usb_state;
353
354 static int palm27x_power_supply_init(struct device *dev)
355 {
356         int ret;
357
358         ret = gpio_request(palm_ac_state, "AC state");
359         if (ret)
360                 goto err1;
361         ret = gpio_direction_input(palm_ac_state);
362         if (ret)
363                 goto err2;
364
365         if (gpio_is_valid(palm_usb_state)) {
366                 ret = gpio_request(palm_usb_state, "USB state");
367                 if (ret)
368                         goto err2;
369                 ret = gpio_direction_input(palm_usb_state);
370                 if (ret)
371                         goto err3;
372         }
373
374         return 0;
375 err3:
376         gpio_free(palm_usb_state);
377 err2:
378         gpio_free(palm_ac_state);
379 err1:
380         return ret;
381 }
382
383 static void palm27x_power_supply_exit(struct device *dev)
384 {
385         gpio_free(palm_usb_state);
386         gpio_free(palm_ac_state);
387 }
388
389 static int palm27x_is_ac_online(void)
390 {
391         return gpio_get_value(palm_ac_state);
392 }
393
394 static int palm27x_is_usb_online(void)
395 {
396         return !gpio_get_value(palm_usb_state);
397 }
398 static char *palm27x_supplicants[] = {
399         "main-battery",
400 };
401
402 static struct pda_power_pdata palm27x_ps_info = {
403         .init                   = palm27x_power_supply_init,
404         .exit                   = palm27x_power_supply_exit,
405         .is_ac_online           = palm27x_is_ac_online,
406         .is_usb_online          = palm27x_is_usb_online,
407         .supplied_to            = palm27x_supplicants,
408         .num_supplicants        = ARRAY_SIZE(palm27x_supplicants),
409 };
410
411 static struct platform_device palm27x_power_supply = {
412         .name = "pda-power",
413         .id   = -1,
414         .dev  = {
415                 .platform_data = &palm27x_ps_info,
416         },
417 };
418
419 void __init palm27x_power_init(int ac, int usb)
420 {
421         palm_ac_state   = ac;
422         palm_usb_state  = usb;
423         platform_device_register(&palm27x_power_supply);
424 }
425 #endif
426
427 /******************************************************************************
428  * Core power regulator
429  ******************************************************************************/
430 #if defined(CONFIG_REGULATOR_MAX1586) || \
431     defined(CONFIG_REGULATOR_MAX1586_MODULE)
432 static struct regulator_consumer_supply palm27x_max1587a_consumers[] = {
433         {
434                 .supply = "vcc_core",
435         }
436 };
437
438 static struct regulator_init_data palm27x_max1587a_v3_info = {
439         .constraints = {
440                 .name           = "vcc_core range",
441                 .min_uV         = 900000,
442                 .max_uV         = 1705000,
443                 .always_on      = 1,
444                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
445         },
446         .consumer_supplies      = palm27x_max1587a_consumers,
447         .num_consumer_supplies  = ARRAY_SIZE(palm27x_max1587a_consumers),
448 };
449
450 static struct max1586_subdev_data palm27x_max1587a_subdevs[] = {
451         {
452                 .name           = "vcc_core",
453                 .id             = MAX1586_V3,
454                 .platform_data  = &palm27x_max1587a_v3_info,
455         }
456 };
457
458 static struct max1586_platform_data palm27x_max1587a_info = {
459         .subdevs     = palm27x_max1587a_subdevs,
460         .num_subdevs = ARRAY_SIZE(palm27x_max1587a_subdevs),
461         .v3_gain     = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
462 };
463
464 static struct i2c_board_info __initdata palm27x_pi2c_board_info[] = {
465         {
466                 I2C_BOARD_INFO("max1586", 0x14),
467                 .platform_data  = &palm27x_max1587a_info,
468         },
469 };
470
471 static struct i2c_pxa_platform_data palm27x_i2c_power_info = {
472         .use_pio        = 1,
473 };
474
475 void __init palm27x_pmic_init(void)
476 {
477         i2c_register_board_info(1, ARRAY_AND_SIZE(palm27x_pi2c_board_info));
478         pxa27x_set_i2c_power_info(&palm27x_i2c_power_info);
479 }
480 #endif