Merge branch 'board-specific' of git://github.com/hzhuang1/linux into next/boards
[linux-2.6.git] / arch / arm / mach-pxa / hx4700.c
1 /*
2  * Support for HP iPAQ hx4700 PDAs.
3  *
4  * Copyright (c) 2008-2009 Philipp Zabel
5  *
6  * Based on code:
7  *    Copyright (c) 2004 Hewlett-Packard Company.
8  *    Copyright (c) 2005 SDG Systems, LLC
9  *    Copyright (c) 2006 Anton Vorontsov <cbou@mail.ru>
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  */
16
17 #include <linux/kernel.h>
18 #include <linux/init.h>
19 #include <linux/platform_device.h>
20 #include <linux/delay.h>
21 #include <linux/fb.h>
22 #include <linux/gpio.h>
23 #include <linux/gpio_keys.h>
24 #include <linux/input.h>
25 #include <linux/lcd.h>
26 #include <linux/mfd/htc-egpio.h>
27 #include <linux/mfd/asic3.h>
28 #include <linux/mtd/physmap.h>
29 #include <linux/pda_power.h>
30 #include <linux/pwm_backlight.h>
31 #include <linux/regulator/bq24022.h>
32 #include <linux/regulator/machine.h>
33 #include <linux/regulator/max1586.h>
34 #include <linux/spi/ads7846.h>
35 #include <linux/spi/spi.h>
36 #include <linux/spi/pxa2xx_spi.h>
37 #include <linux/usb/gpio_vbus.h>
38 #include <linux/i2c/pxa-i2c.h>
39
40 #include <mach/hardware.h>
41 #include <asm/mach-types.h>
42 #include <asm/mach/arch.h>
43
44 #include <mach/pxa27x.h>
45 #include <mach/hx4700.h>
46 #include <mach/irda.h>
47
48 #include <sound/ak4641.h>
49 #include <video/platform_lcd.h>
50 #include <video/w100fb.h>
51
52 #include "devices.h"
53 #include "generic.h"
54
55 /* Physical address space information */
56
57 #define ATI_W3220_PHYS  PXA_CS2_PHYS /* ATI Imageon 3220 Graphics */
58 #define ASIC3_PHYS      PXA_CS3_PHYS
59 #define ASIC3_SD_PHYS   (PXA_CS3_PHYS + 0x02000000)
60
61 static unsigned long hx4700_pin_config[] __initdata = {
62
63         /* SDRAM and Static Memory I/O Signals */
64         GPIO20_nSDCS_2,
65         GPIO21_nSDCS_3,
66         GPIO15_nCS_1,
67         GPIO78_nCS_2,   /* W3220 */
68         GPIO79_nCS_3,   /* ASIC3 */
69         GPIO80_nCS_4,
70         GPIO33_nCS_5,   /* EGPIO, WLAN */
71
72         /* PC CARD */
73         GPIO48_nPOE,
74         GPIO49_nPWE,
75         GPIO50_nPIOR,
76         GPIO51_nPIOW,
77         GPIO54_nPCE_2,
78         GPIO55_nPREG,
79         GPIO56_nPWAIT,
80         GPIO57_nIOIS16,
81         GPIO85_nPCE_1,
82         GPIO104_PSKTSEL,
83
84         /* I2C */
85         GPIO117_I2C_SCL,
86         GPIO118_I2C_SDA,
87
88         /* FFUART (RS-232) */
89         GPIO34_FFUART_RXD,
90         GPIO35_FFUART_CTS,
91         GPIO36_FFUART_DCD,
92         GPIO37_FFUART_DSR,
93         GPIO38_FFUART_RI,
94         GPIO39_FFUART_TXD,
95         GPIO40_FFUART_DTR,
96         GPIO41_FFUART_RTS,
97
98         /* BTUART */
99         GPIO42_BTUART_RXD,
100         GPIO43_BTUART_TXD_LPM_LOW,
101         GPIO44_BTUART_CTS,
102         GPIO45_BTUART_RTS_LPM_LOW,
103
104         /* PWM 1 (Backlight) */
105         GPIO17_PWM1_OUT,
106
107         /* I2S */
108         GPIO28_I2S_BITCLK_OUT,
109         GPIO29_I2S_SDATA_IN,
110         GPIO30_I2S_SDATA_OUT,
111         GPIO31_I2S_SYNC,
112         GPIO113_I2S_SYSCLK,
113
114         /* SSP 1 (NavPoint) */
115         GPIO23_SSP1_SCLK,
116         GPIO24_SSP1_SFRM,
117         GPIO25_SSP1_TXD,
118         GPIO26_SSP1_RXD,
119
120         /* SSP 2 (TSC2046) */
121         GPIO19_SSP2_SCLK,
122         GPIO86_SSP2_RXD,
123         GPIO87_SSP2_TXD,
124         GPIO88_GPIO,
125
126         /* HX4700 specific input GPIOs */
127         GPIO12_GPIO,    /* ASIC3_IRQ */
128         GPIO13_GPIO,    /* W3220_IRQ */
129         GPIO14_GPIO,    /* nWLAN_IRQ */
130
131         GPIO10_GPIO,    /* GSM_IRQ */
132         GPIO13_GPIO,    /* CPLD_IRQ */
133         GPIO107_GPIO,   /* DS1WM_IRQ */
134         GPIO108_GPIO,   /* GSM_READY */
135         GPIO58_GPIO,    /* TSC2046_nPENIRQ */
136         GPIO66_GPIO,    /* nSDIO_IRQ */
137 };
138
139 /*
140  * IRDA
141  */
142
143 static struct pxaficp_platform_data ficp_info = {
144         .gpio_pwdown            = GPIO105_HX4700_nIR_ON,
145         .transceiver_cap        = IR_SIRMODE | IR_OFF,
146 };
147
148 /*
149  * GPIO Keys
150  */
151
152 #define INIT_KEY(_code, _gpio, _active_low, _desc)      \
153         {                                               \
154                 .code       = KEY_##_code,              \
155                 .gpio       = _gpio,                    \
156                 .active_low = _active_low,              \
157                 .desc       = _desc,                    \
158                 .type       = EV_KEY,                   \
159                 .wakeup     = 1,                        \
160         }
161
162 static struct gpio_keys_button gpio_keys_buttons[] = {
163         INIT_KEY(POWER,       GPIO0_HX4700_nKEY_POWER,   1, "Power button"),
164         INIT_KEY(MAIL,        GPIO94_HX4700_KEY_MAIL,    0, "Mail button"),
165         INIT_KEY(ADDRESSBOOK, GPIO99_HX4700_KEY_CONTACTS,0, "Contacts button"),
166         INIT_KEY(RECORD,      GPIOD6_nKEY_RECORD,        1, "Record button"),
167         INIT_KEY(CALENDAR,    GPIOD1_nKEY_CALENDAR,      1, "Calendar button"),
168         INIT_KEY(HOMEPAGE,    GPIOD3_nKEY_HOME,          1, "Home button"),
169 };
170
171 static struct gpio_keys_platform_data gpio_keys_data = {
172         .buttons = gpio_keys_buttons,
173         .nbuttons = ARRAY_SIZE(gpio_keys_buttons),
174 };
175
176 static struct platform_device gpio_keys = {
177         .name = "gpio-keys",
178         .dev  = {
179                 .platform_data = &gpio_keys_data,
180         },
181         .id   = -1,
182 };
183
184 /*
185  * ASIC3
186  */
187
188 static u16 asic3_gpio_config[] = {
189         /* ASIC3 GPIO banks A and B along with some of C and D
190            implement the buffering for the CF slot. */
191         ASIC3_CONFIG_GPIO(0, 1, 1, 0),
192         ASIC3_CONFIG_GPIO(1, 1, 1, 0),
193         ASIC3_CONFIG_GPIO(2, 1, 1, 0),
194         ASIC3_CONFIG_GPIO(3, 1, 1, 0),
195         ASIC3_CONFIG_GPIO(4, 1, 1, 0),
196         ASIC3_CONFIG_GPIO(5, 1, 1, 0),
197         ASIC3_CONFIG_GPIO(6, 1, 1, 0),
198         ASIC3_CONFIG_GPIO(7, 1, 1, 0),
199         ASIC3_CONFIG_GPIO(8, 1, 1, 0),
200         ASIC3_CONFIG_GPIO(9, 1, 1, 0),
201         ASIC3_CONFIG_GPIO(10, 1, 1, 0),
202         ASIC3_CONFIG_GPIO(11, 1, 1, 0),
203         ASIC3_CONFIG_GPIO(12, 1, 1, 0),
204         ASIC3_CONFIG_GPIO(13, 1, 1, 0),
205         ASIC3_CONFIG_GPIO(14, 1, 1, 0),
206         ASIC3_CONFIG_GPIO(15, 1, 1, 0),
207
208         ASIC3_CONFIG_GPIO(16, 1, 1, 0),
209         ASIC3_CONFIG_GPIO(17, 1, 1, 0),
210         ASIC3_CONFIG_GPIO(18, 1, 1, 0),
211         ASIC3_CONFIG_GPIO(19, 1, 1, 0),
212         ASIC3_CONFIG_GPIO(20, 1, 1, 0),
213         ASIC3_CONFIG_GPIO(21, 1, 1, 0),
214         ASIC3_CONFIG_GPIO(22, 1, 1, 0),
215         ASIC3_CONFIG_GPIO(23, 1, 1, 0),
216         ASIC3_CONFIG_GPIO(24, 1, 1, 0),
217         ASIC3_CONFIG_GPIO(25, 1, 1, 0),
218         ASIC3_CONFIG_GPIO(26, 1, 1, 0),
219         ASIC3_CONFIG_GPIO(27, 1, 1, 0),
220         ASIC3_CONFIG_GPIO(28, 1, 1, 0),
221         ASIC3_CONFIG_GPIO(29, 1, 1, 0),
222         ASIC3_CONFIG_GPIO(30, 1, 1, 0),
223         ASIC3_CONFIG_GPIO(31, 1, 1, 0),
224
225         /* GPIOC - CF, LEDs, SD */
226         ASIC3_GPIOC0_LED0,              /* red */
227         ASIC3_GPIOC1_LED1,              /* green */
228         ASIC3_GPIOC2_LED2,              /* blue */
229         ASIC3_GPIOC4_CF_nCD,
230         ASIC3_GPIOC5_nCIOW,
231         ASIC3_GPIOC6_nCIOR,
232         ASIC3_GPIOC7_nPCE_1,
233         ASIC3_GPIOC8_nPCE_2,
234         ASIC3_GPIOC9_nPOE,
235         ASIC3_GPIOC10_nPWE,
236         ASIC3_GPIOC11_PSKTSEL,
237         ASIC3_GPIOC12_nPREG,
238         ASIC3_GPIOC13_nPWAIT,
239         ASIC3_GPIOC14_nPIOIS16,
240         ASIC3_GPIOC15_nPIOR,
241
242         /* GPIOD: input GPIOs, CF */
243         ASIC3_GPIOD11_nCIOIS16,
244         ASIC3_GPIOD12_nCWAIT,
245         ASIC3_GPIOD15_nPIOW,
246 };
247
248 static struct asic3_led asic3_leds[ASIC3_NUM_LEDS] = {
249         [0] = {
250                 .name = "hx4700:amber",
251                 .default_trigger = "ds2760-battery.0-charging-blink-full-solid",
252         },
253         [1] = {
254                 .name = "hx4700:green",
255                 .default_trigger = "unused",
256         },
257         [2] = {
258                 .name = "hx4700:blue",
259                 .default_trigger = "hx4700-radio",
260         },
261 };
262
263 static struct resource asic3_resources[] = {
264         /* GPIO part */
265         [0] = {
266                 .start  = ASIC3_PHYS,
267                 .end    = ASIC3_PHYS + ASIC3_MAP_SIZE_16BIT - 1,
268                 .flags  = IORESOURCE_MEM,
269         },
270         [1] = {
271                 .start  = PXA_GPIO_TO_IRQ(GPIO12_HX4700_ASIC3_IRQ),
272                 .end    = PXA_GPIO_TO_IRQ(GPIO12_HX4700_ASIC3_IRQ),
273                 .flags  = IORESOURCE_IRQ,
274         },
275         /* SD part */
276         [2] = {
277                 .start  = ASIC3_SD_PHYS,
278                 .end    = ASIC3_SD_PHYS + ASIC3_MAP_SIZE_16BIT - 1,
279                 .flags  = IORESOURCE_MEM,
280         },
281         [3] = {
282                 .start  = PXA_GPIO_TO_IRQ(GPIO66_HX4700_ASIC3_nSDIO_IRQ),
283                 .end    = PXA_GPIO_TO_IRQ(GPIO66_HX4700_ASIC3_nSDIO_IRQ),
284                 .flags  = IORESOURCE_IRQ,
285         },
286 };
287
288 static struct asic3_platform_data asic3_platform_data = {
289         .gpio_config     = asic3_gpio_config,
290         .gpio_config_num = ARRAY_SIZE(asic3_gpio_config),
291         .irq_base        = IRQ_BOARD_START,
292         .gpio_base       = HX4700_ASIC3_GPIO_BASE,
293         .leds            = asic3_leds,
294 };
295
296 static struct platform_device asic3 = {
297         .name          = "asic3",
298         .id            = -1,
299         .resource      = asic3_resources,
300         .num_resources = ARRAY_SIZE(asic3_resources),
301         .dev = {
302                 .platform_data = &asic3_platform_data,
303         },
304 };
305
306 /*
307  * EGPIO
308  */
309
310 static struct resource egpio_resources[] = {
311         [0] = {
312                 .start = PXA_CS5_PHYS,
313                 .end   = PXA_CS5_PHYS + 0x4 - 1,
314                 .flags = IORESOURCE_MEM,
315         },
316 };
317
318 static struct htc_egpio_chip egpio_chips[] = {
319         [0] = {
320                 .reg_start = 0,
321                 .gpio_base = HX4700_EGPIO_BASE,
322                 .num_gpios = 8,
323                 .direction = HTC_EGPIO_OUTPUT,
324         },
325 };
326
327 static struct htc_egpio_platform_data egpio_info = {
328         .reg_width = 16,
329         .bus_width = 16,
330         .chip      = egpio_chips,
331         .num_chips = ARRAY_SIZE(egpio_chips),
332 };
333
334 static struct platform_device egpio = {
335         .name          = "htc-egpio",
336         .id            = -1,
337         .resource      = egpio_resources,
338         .num_resources = ARRAY_SIZE(egpio_resources),
339         .dev = {
340                 .platform_data = &egpio_info,
341         },
342 };
343
344 /*
345  * LCD - Sony display connected to ATI Imageon w3220
346  */
347
348 static void sony_lcd_init(void)
349 {
350         gpio_set_value(GPIO84_HX4700_LCD_SQN, 1);
351         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
352         gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
353         gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 0);
354         gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
355         mdelay(10);
356         gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
357         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
358         mdelay(20);
359
360         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 1);
361         mdelay(5);
362         gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 1);
363
364         /* FIXME: init w3220 registers here */
365
366         mdelay(5);
367         gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 1);
368         mdelay(10);
369         gpio_set_value(GPIO62_HX4700_LCD_nRESET, 1);
370         mdelay(10);
371         gpio_set_value(GPIO59_HX4700_LCD_PC1, 1);
372         mdelay(10);
373         gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 1);
374 }
375
376 static void sony_lcd_off(void)
377 {
378         gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
379         gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
380         mdelay(10);
381         gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 0);
382         mdelay(10);
383         gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
384         mdelay(10);
385         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
386 }
387
388 #ifdef CONFIG_PM
389 static void w3220_lcd_suspend(struct w100fb_par *wfb)
390 {
391         sony_lcd_off();
392 }
393
394 static void w3220_lcd_resume(struct w100fb_par *wfb)
395 {
396         sony_lcd_init();
397 }
398 #else
399 #define w3220_lcd_resume        NULL
400 #define w3220_lcd_suspend       NULL
401 #endif
402
403 static struct w100_tg_info w3220_tg_info = {
404         .suspend        = w3220_lcd_suspend,
405         .resume         = w3220_lcd_resume,
406 };
407
408 /*                               W3220_VGA              QVGA */
409 static struct w100_gen_regs w3220_regs = {
410         .lcd_format =        0x00000003,
411         .lcdd_cntl1 =        0x00000000,
412         .lcdd_cntl2 =        0x0003ffff,
413         .genlcd_cntl1 =      0x00abf003,        /* 0x00fff003 */
414         .genlcd_cntl2 =      0x00000003,
415         .genlcd_cntl3 =      0x000102aa,
416 };
417
418 static struct w100_mode w3220_modes[] = {
419 {
420         .xres           = 480,
421         .yres           = 640,
422         .left_margin    = 15,
423         .right_margin   = 16,
424         .upper_margin   = 8,
425         .lower_margin   = 7,
426         .crtc_ss        = 0x00000000,
427         .crtc_ls        = 0xa1ff01f9,   /* 0x21ff01f9 */
428         .crtc_gs        = 0xc0000000,   /* 0x40000000 */
429         .crtc_vpos_gs   = 0x0000028f,
430         .crtc_ps1_active = 0x00000000,  /* 0x41060010 */
431         .crtc_rev       = 0,
432         .crtc_dclk      = 0x80000000,
433         .crtc_gclk      = 0x040a0104,
434         .crtc_goe       = 0,
435         .pll_freq       = 95,
436         .pixclk_divider = 4,
437         .pixclk_divider_rotated = 4,
438         .pixclk_src     = CLK_SRC_PLL,
439         .sysclk_divider = 0,
440         .sysclk_src     = CLK_SRC_PLL,
441 },
442 {
443         .xres           = 240,
444         .yres           = 320,
445         .left_margin    = 9,
446         .right_margin   = 8,
447         .upper_margin   = 5,
448         .lower_margin   = 4,
449         .crtc_ss        = 0x80150014,
450         .crtc_ls        = 0xa0fb00f7,
451         .crtc_gs        = 0xc0080007,
452         .crtc_vpos_gs   = 0x00080007,
453         .crtc_rev       = 0x0000000a,
454         .crtc_dclk      = 0x81700030,
455         .crtc_gclk      = 0x8015010f,
456         .crtc_goe       = 0x00000000,
457         .pll_freq       = 95,
458         .pixclk_divider = 4,
459         .pixclk_divider_rotated = 4,
460         .pixclk_src     = CLK_SRC_PLL,
461         .sysclk_divider = 0,
462         .sysclk_src     = CLK_SRC_PLL,
463 },
464 };
465
466 struct w100_mem_info w3220_mem_info = {
467         .ext_cntl        = 0x09640011,
468         .sdram_mode_reg  = 0x00600021,
469         .ext_timing_cntl = 0x1a001545,  /* 0x15001545 */
470         .io_cntl         = 0x7ddd7333,
471         .size            = 0x1fffff,
472 };
473
474 struct w100_bm_mem_info w3220_bm_mem_info = {
475         .ext_mem_bw = 0x50413e01,
476         .offset = 0,
477         .ext_timing_ctl = 0x00043f7f,
478         .ext_cntl = 0x00000010,
479         .mode_reg = 0x00250000,
480         .io_cntl = 0x0fff0000,
481         .config = 0x08301480,
482 };
483
484 static struct w100_gpio_regs w3220_gpio_info = {
485         .init_data1 = 0xdfe00100,       /* GPIO_DATA */
486         .gpio_dir1  = 0xffff0000,       /* GPIO_CNTL1 */
487         .gpio_oe1   = 0x00000000,       /* GPIO_CNTL2 */
488         .init_data2 = 0x00000000,       /* GPIO_DATA2 */
489         .gpio_dir2  = 0x00000000,       /* GPIO_CNTL3 */
490         .gpio_oe2   = 0x00000000,       /* GPIO_CNTL4 */
491 };
492
493 static struct w100fb_mach_info w3220_info = {
494         .tg        = &w3220_tg_info,
495         .mem       = &w3220_mem_info,
496         .bm_mem    = &w3220_bm_mem_info,
497         .gpio      = &w3220_gpio_info,
498         .regs      = &w3220_regs,
499         .modelist  = w3220_modes,
500         .num_modes = 2,
501         .xtal_freq = 16000000,
502 };
503
504 static struct resource w3220_resources[] = {
505         [0] = {
506                 .start  = ATI_W3220_PHYS,
507                 .end    = ATI_W3220_PHYS + 0x00ffffff,
508                 .flags  = IORESOURCE_MEM,
509         },
510 };
511
512 static struct platform_device w3220 = {
513         .name   = "w100fb",
514         .id     = -1,
515         .dev    = {
516                 .platform_data = &w3220_info,
517         },
518         .num_resources = ARRAY_SIZE(w3220_resources),
519         .resource      = w3220_resources,
520 };
521
522 static void hx4700_lcd_set_power(struct plat_lcd_data *pd, unsigned int power)
523 {
524         if (power)
525                 sony_lcd_init();
526         else
527                 sony_lcd_off();
528 }
529
530 static struct plat_lcd_data hx4700_lcd_data = {
531         .set_power = hx4700_lcd_set_power,
532 };
533
534 static struct platform_device hx4700_lcd = {
535         .name = "platform-lcd",
536         .id   = -1,
537         .dev  = {
538                 .platform_data = &hx4700_lcd_data,
539                 .parent        = &w3220.dev,
540         },
541 };
542
543 /*
544  * Backlight
545  */
546
547 static struct platform_pwm_backlight_data backlight_data = {
548         .pwm_id         = 1,
549         .max_brightness = 200,
550         .dft_brightness = 100,
551         .pwm_period_ns  = 30923,
552 };
553
554 static struct platform_device backlight = {
555         .name = "pwm-backlight",
556         .id   = -1,
557         .dev  = {
558                 .parent        = &pxa27x_device_pwm1.dev,
559                 .platform_data = &backlight_data,
560         },
561 };
562
563 /*
564  * USB "Transceiver"
565  */
566
567 static struct gpio_vbus_mach_info gpio_vbus_info = {
568         .gpio_pullup        = GPIO76_HX4700_USBC_PUEN,
569         .gpio_vbus          = GPIOD14_nUSBC_DETECT,
570         .gpio_vbus_inverted = 1,
571 };
572
573 static struct platform_device gpio_vbus = {
574         .name          = "gpio-vbus",
575         .id            = -1,
576         .dev = {
577                 .platform_data = &gpio_vbus_info,
578         },
579 };
580
581 /*
582  * Touchscreen - TSC2046 connected to SSP2
583  */
584
585 static const struct ads7846_platform_data tsc2046_info = {
586         .model            = 7846,
587         .vref_delay_usecs = 100,
588         .pressure_max     = 1024,
589         .debounce_max     = 10,
590         .debounce_tol     = 3,
591         .debounce_rep     = 1,
592         .gpio_pendown     = GPIO58_HX4700_TSC2046_nPENIRQ,
593 };
594
595 static struct pxa2xx_spi_chip tsc2046_chip = {
596         .tx_threshold = 1,
597         .rx_threshold = 2,
598         .timeout      = 64,
599         .gpio_cs      = GPIO88_HX4700_TSC2046_CS,
600 };
601
602 static struct spi_board_info tsc2046_board_info[] __initdata = {
603         {
604                 .modalias        = "ads7846",
605                 .bus_num         = 2,
606                 .max_speed_hz    = 2600000, /* 100 kHz sample rate */
607                 .irq             = PXA_GPIO_TO_IRQ(GPIO58_HX4700_TSC2046_nPENIRQ),
608                 .platform_data   = &tsc2046_info,
609                 .controller_data = &tsc2046_chip,
610         },
611 };
612
613 static struct pxa2xx_spi_master pxa_ssp2_master_info = {
614         .num_chipselect = 1,
615         .clock_enable   = CKEN_SSP2,
616         .enable_dma     = 1,
617 };
618
619 /*
620  * External power
621  */
622
623 static int power_supply_init(struct device *dev)
624 {
625         return gpio_request(GPIOD9_nAC_IN, "AC charger detect");
626 }
627
628 static int hx4700_is_ac_online(void)
629 {
630         return !gpio_get_value(GPIOD9_nAC_IN);
631 }
632
633 static void power_supply_exit(struct device *dev)
634 {
635         gpio_free(GPIOD9_nAC_IN);
636 }
637
638 static char *hx4700_supplicants[] = {
639         "ds2760-battery.0", "backup-battery"
640 };
641
642 static struct pda_power_pdata power_supply_info = {
643         .init            = power_supply_init,
644         .is_ac_online    = hx4700_is_ac_online,
645         .exit            = power_supply_exit,
646         .supplied_to     = hx4700_supplicants,
647         .num_supplicants = ARRAY_SIZE(hx4700_supplicants),
648 };
649
650 static struct resource power_supply_resources[] = {
651         [0] = {
652                 .name  = "ac",
653                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
654                          IORESOURCE_IRQ_LOWEDGE,
655                 .start = PXA_GPIO_TO_IRQ(GPIOD9_nAC_IN),
656                 .end   = PXA_GPIO_TO_IRQ(GPIOD9_nAC_IN),
657         },
658         [1] = {
659                 .name  = "usb",
660                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
661                          IORESOURCE_IRQ_LOWEDGE,
662                 .start = PXA_GPIO_TO_IRQ(GPIOD14_nUSBC_DETECT),
663                 .end   = PXA_GPIO_TO_IRQ(GPIOD14_nUSBC_DETECT),
664         },
665 };
666
667 static struct platform_device power_supply = {
668         .name = "pda-power",
669         .id   = -1,
670         .dev  = {
671                 .platform_data = &power_supply_info,
672         },
673         .resource      = power_supply_resources,
674         .num_resources = ARRAY_SIZE(power_supply_resources),
675 };
676
677 /*
678  * Battery charger
679  */
680
681 static struct regulator_consumer_supply bq24022_consumers[] = {
682         {
683                 .dev = &gpio_vbus.dev,
684                 .supply = "vbus_draw",
685         },
686         {
687                 .dev = &power_supply.dev,
688                 .supply = "ac_draw",
689         },
690 };
691
692 static struct regulator_init_data bq24022_init_data = {
693         .constraints = {
694                 .max_uA         = 500000,
695                 .valid_ops_mask = REGULATOR_CHANGE_CURRENT|REGULATOR_CHANGE_STATUS,
696         },
697         .num_consumer_supplies  = ARRAY_SIZE(bq24022_consumers),
698         .consumer_supplies      = bq24022_consumers,
699 };
700
701 static struct bq24022_mach_info bq24022_info = {
702         .gpio_nce   = GPIO72_HX4700_BQ24022_nCHARGE_EN,
703         .gpio_iset2 = GPIO96_HX4700_BQ24022_ISET2,
704         .init_data  = &bq24022_init_data,
705 };
706
707 static struct platform_device bq24022 = {
708         .name = "bq24022",
709         .id   = -1,
710         .dev  = {
711                 .platform_data = &bq24022_info,
712         },
713 };
714
715 /*
716  * StrataFlash
717  */
718
719 static void hx4700_set_vpp(struct platform_device *pdev, int vpp)
720 {
721         gpio_set_value(GPIO91_HX4700_FLASH_VPEN, vpp);
722 }
723
724 static struct resource strataflash_resource[] = {
725         [0] = DEFINE_RES_MEM(PXA_CS0_PHYS, SZ_64M),
726         [1] = DEFINE_RES_MEM(PXA_CS0_PHYS + SZ_64M, SZ_64M),
727 };
728
729 static struct physmap_flash_data strataflash_data = {
730         .width = 4,
731         .set_vpp = hx4700_set_vpp,
732 };
733
734 static struct platform_device strataflash = {
735         .name          = "physmap-flash",
736         .id            = -1,
737         .resource      = strataflash_resource,
738         .num_resources = ARRAY_SIZE(strataflash_resource),
739         .dev = {
740                 .platform_data = &strataflash_data,
741         },
742 };
743
744 /*
745  * Maxim MAX1587A on PI2C
746  */
747
748 static struct regulator_consumer_supply max1587a_consumer = {
749         .supply = "vcc_core",
750 };
751
752 static struct regulator_init_data max1587a_v3_info = {
753         .constraints = {
754                 .name = "vcc_core range",
755                 .min_uV =  900000,
756                 .max_uV = 1705000,
757                 .always_on = 1,
758                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
759         },
760         .num_consumer_supplies = 1,
761         .consumer_supplies     = &max1587a_consumer,
762 };
763
764 static struct max1586_subdev_data max1587a_subdev = {
765         .name = "vcc_core",
766         .id   = MAX1586_V3,
767         .platform_data = &max1587a_v3_info,
768 };
769
770 static struct max1586_platform_data max1587a_info = {
771         .num_subdevs = 1,
772         .subdevs     = &max1587a_subdev,
773         .v3_gain     = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
774 };
775
776 static struct i2c_board_info __initdata pi2c_board_info[] = {
777         {
778                 I2C_BOARD_INFO("max1586", 0x14),
779                 .platform_data = &max1587a_info,
780         },
781 };
782
783 /*
784  * Asahi Kasei AK4641 on I2C
785  */
786
787 static struct ak4641_platform_data ak4641_info = {
788         .gpio_power = GPIO27_HX4700_CODEC_ON,
789         .gpio_npdn  = GPIO109_HX4700_CODEC_nPDN,
790 };
791
792 static struct i2c_board_info i2c_board_info[] __initdata = {
793         {
794                 I2C_BOARD_INFO("ak4641", 0x12),
795                 .platform_data = &ak4641_info,
796         },
797 };
798
799 static struct platform_device audio = {
800         .name   = "hx4700-audio",
801         .id     = -1,
802 };
803
804
805 /*
806  * Platform devices
807  */
808
809 static struct platform_device *devices[] __initdata = {
810         &asic3,
811         &gpio_keys,
812         &backlight,
813         &w3220,
814         &hx4700_lcd,
815         &egpio,
816         &bq24022,
817         &gpio_vbus,
818         &power_supply,
819         &strataflash,
820         &audio,
821 };
822
823 static struct gpio global_gpios[] = {
824         { GPIO12_HX4700_ASIC3_IRQ, GPIOF_IN, "ASIC3_IRQ" },
825         { GPIO13_HX4700_W3220_IRQ, GPIOF_IN, "W3220_IRQ" },
826         { GPIO14_HX4700_nWLAN_IRQ, GPIOF_IN, "WLAN_IRQ" },
827         { GPIO59_HX4700_LCD_PC1,          GPIOF_OUT_INIT_HIGH, "LCD_PC1" },
828         { GPIO62_HX4700_LCD_nRESET,       GPIOF_OUT_INIT_HIGH, "LCD_RESET" },
829         { GPIO70_HX4700_LCD_SLIN1,        GPIOF_OUT_INIT_HIGH, "LCD_SLIN1" },
830         { GPIO84_HX4700_LCD_SQN,          GPIOF_OUT_INIT_HIGH, "LCD_SQN" },
831         { GPIO110_HX4700_LCD_LVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_LVDD" },
832         { GPIO111_HX4700_LCD_AVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_AVDD" },
833         { GPIO32_HX4700_RS232_ON,         GPIOF_OUT_INIT_HIGH, "RS232_ON" },
834         { GPIO71_HX4700_ASIC3_nRESET,     GPIOF_OUT_INIT_HIGH, "ASIC3_nRESET" },
835         { GPIO82_HX4700_EUART_RESET,      GPIOF_OUT_INIT_HIGH, "EUART_RESET" },
836 };
837
838 static void __init hx4700_init(void)
839 {
840         int ret;
841
842         pxa2xx_mfp_config(ARRAY_AND_SIZE(hx4700_pin_config));
843         ret = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
844         if (ret)
845                 pr_err ("hx4700: Failed to request GPIOs.\n");
846
847         pxa_set_ffuart_info(NULL);
848         pxa_set_btuart_info(NULL);
849         pxa_set_stuart_info(NULL);
850
851         platform_add_devices(devices, ARRAY_SIZE(devices));
852
853         pxa_set_ficp_info(&ficp_info);
854         pxa27x_set_i2c_power_info(NULL);
855         pxa_set_i2c_info(NULL);
856         i2c_register_board_info(0, ARRAY_AND_SIZE(i2c_board_info));
857         i2c_register_board_info(1, ARRAY_AND_SIZE(pi2c_board_info));
858         pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
859         spi_register_board_info(ARRAY_AND_SIZE(tsc2046_board_info));
860
861         gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 0);
862         mdelay(10);
863         gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 1);
864         mdelay(10);
865 }
866
867 MACHINE_START(H4700, "HP iPAQ HX4700")
868         .atag_offset  = 0x100,
869         .map_io       = pxa27x_map_io,
870         .nr_irqs      = HX4700_NR_IRQS,
871         .init_irq     = pxa27x_init_irq,
872         .handle_irq     = pxa27x_handle_irq,
873         .init_machine = hx4700_init,
874         .timer        = &pxa_timer,
875         .restart        = pxa_restart,
876 MACHINE_END