Merge branches 'pm-cpuidle' and 'pm-cpufreq'
[platform/adaptation/renesas_rcar/renesas_kernel.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/input/navpoint.h>
26 #include <linux/lcd.h>
27 #include <linux/mfd/htc-egpio.h>
28 #include <linux/mfd/asic3.h>
29 #include <linux/mtd/physmap.h>
30 #include <linux/pda_power.h>
31 #include <linux/pwm.h>
32 #include <linux/pwm_backlight.h>
33 #include <linux/regulator/driver.h>
34 #include <linux/regulator/gpio-regulator.h>
35 #include <linux/regulator/machine.h>
36 #include <linux/regulator/max1586.h>
37 #include <linux/spi/ads7846.h>
38 #include <linux/spi/spi.h>
39 #include <linux/spi/pxa2xx_spi.h>
40 #include <linux/usb/gpio_vbus.h>
41 #include <linux/i2c/pxa-i2c.h>
42
43 #include <mach/hardware.h>
44 #include <asm/mach-types.h>
45 #include <asm/mach/arch.h>
46
47 #include <mach/pxa27x.h>
48 #include <mach/hx4700.h>
49 #include <linux/platform_data/irda-pxaficp.h>
50
51 #include <sound/ak4641.h>
52 #include <video/platform_lcd.h>
53 #include <video/w100fb.h>
54
55 #include "devices.h"
56 #include "generic.h"
57
58 /* Physical address space information */
59
60 #define ATI_W3220_PHYS  PXA_CS2_PHYS /* ATI Imageon 3220 Graphics */
61 #define ASIC3_PHYS      PXA_CS3_PHYS
62 #define ASIC3_SD_PHYS   (PXA_CS3_PHYS + 0x02000000)
63
64 static unsigned long hx4700_pin_config[] __initdata = {
65
66         /* SDRAM and Static Memory I/O Signals */
67         GPIO20_nSDCS_2,
68         GPIO21_nSDCS_3,
69         GPIO15_nCS_1,
70         GPIO78_nCS_2,   /* W3220 */
71         GPIO79_nCS_3,   /* ASIC3 */
72         GPIO80_nCS_4,
73         GPIO33_nCS_5,   /* EGPIO, WLAN */
74
75         /* PC CARD */
76         GPIO48_nPOE,
77         GPIO49_nPWE,
78         GPIO50_nPIOR,
79         GPIO51_nPIOW,
80         GPIO54_nPCE_2,
81         GPIO55_nPREG,
82         GPIO56_nPWAIT,
83         GPIO57_nIOIS16,
84         GPIO85_nPCE_1,
85         GPIO104_PSKTSEL,
86
87         /* I2C */
88         GPIO117_I2C_SCL,
89         GPIO118_I2C_SDA,
90
91         /* FFUART (RS-232) */
92         GPIO34_FFUART_RXD,
93         GPIO35_FFUART_CTS,
94         GPIO36_FFUART_DCD,
95         GPIO37_FFUART_DSR,
96         GPIO38_FFUART_RI,
97         GPIO39_FFUART_TXD,
98         GPIO40_FFUART_DTR,
99         GPIO41_FFUART_RTS,
100
101         /* BTUART */
102         GPIO42_BTUART_RXD,
103         GPIO43_BTUART_TXD_LPM_LOW,
104         GPIO44_BTUART_CTS,
105         GPIO45_BTUART_RTS_LPM_LOW,
106
107         /* STUART (IRDA) */
108         GPIO46_STUART_RXD,
109         GPIO47_STUART_TXD,
110
111         /* PWM 1 (Backlight) */
112         GPIO17_PWM1_OUT,
113
114         /* I2S */
115         GPIO28_I2S_BITCLK_OUT,
116         GPIO29_I2S_SDATA_IN,
117         GPIO30_I2S_SDATA_OUT,
118         GPIO31_I2S_SYNC,
119         GPIO113_I2S_SYSCLK,
120
121         /* SSP 1 (NavPoint) */
122         GPIO23_SSP1_SCLK_IN,
123         GPIO24_SSP1_SFRM,
124         GPIO25_SSP1_TXD,
125         GPIO26_SSP1_RXD,
126
127         /* SSP 2 (TSC2046) */
128         GPIO19_SSP2_SCLK,
129         GPIO86_SSP2_RXD,
130         GPIO87_SSP2_TXD,
131         GPIO88_GPIO | MFP_LPM_DRIVE_HIGH,       /* TSC2046_CS */
132
133         /* BQ24022 Regulator */
134         GPIO72_GPIO | MFP_LPM_KEEP_OUTPUT,      /* BQ24022_nCHARGE_EN */
135         GPIO96_GPIO | MFP_LPM_KEEP_OUTPUT,      /* BQ24022_ISET2 */
136
137         /* HX4700 specific input GPIOs */
138         GPIO12_GPIO | WAKEUP_ON_EDGE_RISE,      /* ASIC3_IRQ */
139         GPIO13_GPIO,    /* W3220_IRQ */
140         GPIO14_GPIO,    /* nWLAN_IRQ */
141
142         /* HX4700 specific output GPIOs */
143         GPIO61_GPIO | MFP_LPM_DRIVE_HIGH,       /* W3220_nRESET */
144         GPIO71_GPIO | MFP_LPM_DRIVE_HIGH,       /* ASIC3_nRESET */
145         GPIO81_GPIO | MFP_LPM_DRIVE_HIGH,       /* CPU_GP_nRESET */
146         GPIO116_GPIO | MFP_LPM_DRIVE_HIGH,      /* CPU_HW_nRESET */
147         GPIO102_GPIO | MFP_LPM_DRIVE_LOW,       /* SYNAPTICS_POWER_ON */
148
149         GPIO10_GPIO,    /* GSM_IRQ */
150         GPIO13_GPIO,    /* CPLD_IRQ */
151         GPIO107_GPIO,   /* DS1WM_IRQ */
152         GPIO108_GPIO,   /* GSM_READY */
153         GPIO58_GPIO,    /* TSC2046_nPENIRQ */
154         GPIO66_GPIO,    /* nSDIO_IRQ */
155 };
156
157 /*
158  * IRDA
159  */
160
161 static struct pxaficp_platform_data ficp_info = {
162         .gpio_pwdown            = GPIO105_HX4700_nIR_ON,
163         .transceiver_cap        = IR_SIRMODE | IR_OFF,
164 };
165
166 /*
167  * GPIO Keys
168  */
169
170 #define INIT_KEY(_code, _gpio, _active_low, _desc)      \
171         {                                               \
172                 .code       = KEY_##_code,              \
173                 .gpio       = _gpio,                    \
174                 .active_low = _active_low,              \
175                 .desc       = _desc,                    \
176                 .type       = EV_KEY,                   \
177                 .wakeup     = 1,                        \
178         }
179
180 static struct gpio_keys_button gpio_keys_buttons[] = {
181         INIT_KEY(POWER,       GPIO0_HX4700_nKEY_POWER,   1, "Power button"),
182         INIT_KEY(MAIL,        GPIO94_HX4700_KEY_MAIL,    0, "Mail button"),
183         INIT_KEY(ADDRESSBOOK, GPIO99_HX4700_KEY_CONTACTS,0, "Contacts button"),
184         INIT_KEY(RECORD,      GPIOD6_nKEY_RECORD,        1, "Record button"),
185         INIT_KEY(CALENDAR,    GPIOD1_nKEY_CALENDAR,      1, "Calendar button"),
186         INIT_KEY(HOMEPAGE,    GPIOD3_nKEY_HOME,          1, "Home button"),
187 };
188
189 static struct gpio_keys_platform_data gpio_keys_data = {
190         .buttons = gpio_keys_buttons,
191         .nbuttons = ARRAY_SIZE(gpio_keys_buttons),
192 };
193
194 static struct platform_device gpio_keys = {
195         .name = "gpio-keys",
196         .dev  = {
197                 .platform_data = &gpio_keys_data,
198         },
199         .id   = -1,
200 };
201
202 /*
203  * Synaptics NavPoint connected to SSP1
204  */
205
206 static struct navpoint_platform_data navpoint_platform_data = {
207         .port   = 1,
208         .gpio   = GPIO102_HX4700_SYNAPTICS_POWER_ON,
209 };
210
211 static struct platform_device navpoint = {
212         .name   = "navpoint",
213         .id     = -1,
214         .dev = {
215                 .platform_data = &navpoint_platform_data,
216         },
217 };
218
219 /*
220  * ASIC3
221  */
222
223 static u16 asic3_gpio_config[] = {
224         /* ASIC3 GPIO banks A and B along with some of C and D
225            implement the buffering for the CF slot. */
226         ASIC3_CONFIG_GPIO(0, 1, 1, 0),
227         ASIC3_CONFIG_GPIO(1, 1, 1, 0),
228         ASIC3_CONFIG_GPIO(2, 1, 1, 0),
229         ASIC3_CONFIG_GPIO(3, 1, 1, 0),
230         ASIC3_CONFIG_GPIO(4, 1, 1, 0),
231         ASIC3_CONFIG_GPIO(5, 1, 1, 0),
232         ASIC3_CONFIG_GPIO(6, 1, 1, 0),
233         ASIC3_CONFIG_GPIO(7, 1, 1, 0),
234         ASIC3_CONFIG_GPIO(8, 1, 1, 0),
235         ASIC3_CONFIG_GPIO(9, 1, 1, 0),
236         ASIC3_CONFIG_GPIO(10, 1, 1, 0),
237         ASIC3_CONFIG_GPIO(11, 1, 1, 0),
238         ASIC3_CONFIG_GPIO(12, 1, 1, 0),
239         ASIC3_CONFIG_GPIO(13, 1, 1, 0),
240         ASIC3_CONFIG_GPIO(14, 1, 1, 0),
241         ASIC3_CONFIG_GPIO(15, 1, 1, 0),
242
243         ASIC3_CONFIG_GPIO(16, 1, 1, 0),
244         ASIC3_CONFIG_GPIO(17, 1, 1, 0),
245         ASIC3_CONFIG_GPIO(18, 1, 1, 0),
246         ASIC3_CONFIG_GPIO(19, 1, 1, 0),
247         ASIC3_CONFIG_GPIO(20, 1, 1, 0),
248         ASIC3_CONFIG_GPIO(21, 1, 1, 0),
249         ASIC3_CONFIG_GPIO(22, 1, 1, 0),
250         ASIC3_CONFIG_GPIO(23, 1, 1, 0),
251         ASIC3_CONFIG_GPIO(24, 1, 1, 0),
252         ASIC3_CONFIG_GPIO(25, 1, 1, 0),
253         ASIC3_CONFIG_GPIO(26, 1, 1, 0),
254         ASIC3_CONFIG_GPIO(27, 1, 1, 0),
255         ASIC3_CONFIG_GPIO(28, 1, 1, 0),
256         ASIC3_CONFIG_GPIO(29, 1, 1, 0),
257         ASIC3_CONFIG_GPIO(30, 1, 1, 0),
258         ASIC3_CONFIG_GPIO(31, 1, 1, 0),
259
260         /* GPIOC - CF, LEDs, SD */
261         ASIC3_GPIOC0_LED0,              /* red */
262         ASIC3_GPIOC1_LED1,              /* green */
263         ASIC3_GPIOC2_LED2,              /* blue */
264         ASIC3_GPIOC5_nCIOW,
265         ASIC3_GPIOC6_nCIOR,
266         ASIC3_GPIOC7_nPCE_1,
267         ASIC3_GPIOC8_nPCE_2,
268         ASIC3_GPIOC9_nPOE,
269         ASIC3_GPIOC10_nPWE,
270         ASIC3_GPIOC11_PSKTSEL,
271         ASIC3_GPIOC12_nPREG,
272         ASIC3_GPIOC13_nPWAIT,
273         ASIC3_GPIOC14_nPIOIS16,
274         ASIC3_GPIOC15_nPIOR,
275
276         /* GPIOD: input GPIOs, CF */
277         ASIC3_GPIOD4_CF_nCD,
278         ASIC3_GPIOD11_nCIOIS16,
279         ASIC3_GPIOD12_nCWAIT,
280         ASIC3_GPIOD15_nPIOW,
281 };
282
283 static struct asic3_led asic3_leds[ASIC3_NUM_LEDS] = {
284         [0] = {
285                 .name = "hx4700:amber",
286                 .default_trigger = "ds2760-battery.0-charging-blink-full-solid",
287         },
288         [1] = {
289                 .name = "hx4700:green",
290                 .default_trigger = "unused",
291         },
292         [2] = {
293                 .name = "hx4700:blue",
294                 .default_trigger = "hx4700-radio",
295         },
296 };
297
298 static struct resource asic3_resources[] = {
299         /* GPIO part */
300         [0] = DEFINE_RES_MEM(ASIC3_PHYS, ASIC3_MAP_SIZE_16BIT),
301         [1] = DEFINE_RES_IRQ(PXA_GPIO_TO_IRQ(GPIO12_HX4700_ASIC3_IRQ)),
302         /* SD part */
303         [2] = DEFINE_RES_MEM(ASIC3_SD_PHYS, ASIC3_MAP_SIZE_16BIT),
304         [3] = DEFINE_RES_IRQ(PXA_GPIO_TO_IRQ(GPIO66_HX4700_ASIC3_nSDIO_IRQ)),
305 };
306
307 static struct asic3_platform_data asic3_platform_data = {
308         .gpio_config     = asic3_gpio_config,
309         .gpio_config_num = ARRAY_SIZE(asic3_gpio_config),
310         .irq_base        = IRQ_BOARD_START,
311         .gpio_base       = HX4700_ASIC3_GPIO_BASE,
312         .clock_rate      = 4000000,
313         .leds            = asic3_leds,
314 };
315
316 static struct platform_device asic3 = {
317         .name          = "asic3",
318         .id            = -1,
319         .resource      = asic3_resources,
320         .num_resources = ARRAY_SIZE(asic3_resources),
321         .dev = {
322                 .platform_data = &asic3_platform_data,
323         },
324 };
325
326 /*
327  * EGPIO
328  */
329
330 static struct resource egpio_resources[] = {
331         [0] = DEFINE_RES_MEM(PXA_CS5_PHYS, 0x4),
332 };
333
334 static struct htc_egpio_chip egpio_chips[] = {
335         [0] = {
336                 .reg_start = 0,
337                 .gpio_base = HX4700_EGPIO_BASE,
338                 .num_gpios = 8,
339                 .direction = HTC_EGPIO_OUTPUT,
340         },
341 };
342
343 static struct htc_egpio_platform_data egpio_info = {
344         .reg_width = 16,
345         .bus_width = 16,
346         .chip      = egpio_chips,
347         .num_chips = ARRAY_SIZE(egpio_chips),
348 };
349
350 static struct platform_device egpio = {
351         .name          = "htc-egpio",
352         .id            = -1,
353         .resource      = egpio_resources,
354         .num_resources = ARRAY_SIZE(egpio_resources),
355         .dev = {
356                 .platform_data = &egpio_info,
357         },
358 };
359
360 /*
361  * LCD - Sony display connected to ATI Imageon w3220
362  */
363
364 static void sony_lcd_init(void)
365 {
366         gpio_set_value(GPIO84_HX4700_LCD_SQN, 1);
367         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
368         gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
369         gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 0);
370         gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
371         mdelay(10);
372         gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
373         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
374         mdelay(20);
375
376         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 1);
377         mdelay(5);
378         gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 1);
379
380         /* FIXME: init w3220 registers here */
381
382         mdelay(5);
383         gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 1);
384         mdelay(10);
385         gpio_set_value(GPIO62_HX4700_LCD_nRESET, 1);
386         mdelay(10);
387         gpio_set_value(GPIO59_HX4700_LCD_PC1, 1);
388         mdelay(10);
389         gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 1);
390 }
391
392 static void sony_lcd_off(void)
393 {
394         gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
395         gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
396         mdelay(10);
397         gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 0);
398         mdelay(10);
399         gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
400         mdelay(10);
401         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
402 }
403
404 #ifdef CONFIG_PM
405 static void w3220_lcd_suspend(struct w100fb_par *wfb)
406 {
407         sony_lcd_off();
408 }
409
410 static void w3220_lcd_resume(struct w100fb_par *wfb)
411 {
412         sony_lcd_init();
413 }
414 #else
415 #define w3220_lcd_resume        NULL
416 #define w3220_lcd_suspend       NULL
417 #endif
418
419 static struct w100_tg_info w3220_tg_info = {
420         .suspend        = w3220_lcd_suspend,
421         .resume         = w3220_lcd_resume,
422 };
423
424 /*                               W3220_VGA              QVGA */
425 static struct w100_gen_regs w3220_regs = {
426         .lcd_format =        0x00000003,
427         .lcdd_cntl1 =        0x00000000,
428         .lcdd_cntl2 =        0x0003ffff,
429         .genlcd_cntl1 =      0x00abf003,        /* 0x00fff003 */
430         .genlcd_cntl2 =      0x00000003,
431         .genlcd_cntl3 =      0x000102aa,
432 };
433
434 static struct w100_mode w3220_modes[] = {
435 {
436         .xres           = 480,
437         .yres           = 640,
438         .left_margin    = 15,
439         .right_margin   = 16,
440         .upper_margin   = 8,
441         .lower_margin   = 7,
442         .crtc_ss        = 0x00000000,
443         .crtc_ls        = 0xa1ff01f9,   /* 0x21ff01f9 */
444         .crtc_gs        = 0xc0000000,   /* 0x40000000 */
445         .crtc_vpos_gs   = 0x0000028f,
446         .crtc_ps1_active = 0x00000000,  /* 0x41060010 */
447         .crtc_rev       = 0,
448         .crtc_dclk      = 0x80000000,
449         .crtc_gclk      = 0x040a0104,
450         .crtc_goe       = 0,
451         .pll_freq       = 95,
452         .pixclk_divider = 4,
453         .pixclk_divider_rotated = 4,
454         .pixclk_src     = CLK_SRC_PLL,
455         .sysclk_divider = 0,
456         .sysclk_src     = CLK_SRC_PLL,
457 },
458 {
459         .xres           = 240,
460         .yres           = 320,
461         .left_margin    = 9,
462         .right_margin   = 8,
463         .upper_margin   = 5,
464         .lower_margin   = 4,
465         .crtc_ss        = 0x80150014,
466         .crtc_ls        = 0xa0fb00f7,
467         .crtc_gs        = 0xc0080007,
468         .crtc_vpos_gs   = 0x00080007,
469         .crtc_rev       = 0x0000000a,
470         .crtc_dclk      = 0x81700030,
471         .crtc_gclk      = 0x8015010f,
472         .crtc_goe       = 0x00000000,
473         .pll_freq       = 95,
474         .pixclk_divider = 4,
475         .pixclk_divider_rotated = 4,
476         .pixclk_src     = CLK_SRC_PLL,
477         .sysclk_divider = 0,
478         .sysclk_src     = CLK_SRC_PLL,
479 },
480 };
481
482 struct w100_mem_info w3220_mem_info = {
483         .ext_cntl        = 0x09640011,
484         .sdram_mode_reg  = 0x00600021,
485         .ext_timing_cntl = 0x1a001545,  /* 0x15001545 */
486         .io_cntl         = 0x7ddd7333,
487         .size            = 0x1fffff,
488 };
489
490 struct w100_bm_mem_info w3220_bm_mem_info = {
491         .ext_mem_bw = 0x50413e01,
492         .offset = 0,
493         .ext_timing_ctl = 0x00043f7f,
494         .ext_cntl = 0x00000010,
495         .mode_reg = 0x00250000,
496         .io_cntl = 0x0fff0000,
497         .config = 0x08301480,
498 };
499
500 static struct w100_gpio_regs w3220_gpio_info = {
501         .init_data1 = 0xdfe00100,       /* GPIO_DATA */
502         .gpio_dir1  = 0xffff0000,       /* GPIO_CNTL1 */
503         .gpio_oe1   = 0x00000000,       /* GPIO_CNTL2 */
504         .init_data2 = 0x00000000,       /* GPIO_DATA2 */
505         .gpio_dir2  = 0x00000000,       /* GPIO_CNTL3 */
506         .gpio_oe2   = 0x00000000,       /* GPIO_CNTL4 */
507 };
508
509 static struct w100fb_mach_info w3220_info = {
510         .tg        = &w3220_tg_info,
511         .mem       = &w3220_mem_info,
512         .bm_mem    = &w3220_bm_mem_info,
513         .gpio      = &w3220_gpio_info,
514         .regs      = &w3220_regs,
515         .modelist  = w3220_modes,
516         .num_modes = 2,
517         .xtal_freq = 16000000,
518 };
519
520 static struct resource w3220_resources[] = {
521         [0] = DEFINE_RES_MEM(ATI_W3220_PHYS, SZ_16M),
522 };
523
524 static struct platform_device w3220 = {
525         .name   = "w100fb",
526         .id     = -1,
527         .dev    = {
528                 .platform_data = &w3220_info,
529         },
530         .num_resources = ARRAY_SIZE(w3220_resources),
531         .resource      = w3220_resources,
532 };
533
534 static void hx4700_lcd_set_power(struct plat_lcd_data *pd, unsigned int power)
535 {
536         if (power)
537                 sony_lcd_init();
538         else
539                 sony_lcd_off();
540 }
541
542 static struct plat_lcd_data hx4700_lcd_data = {
543         .set_power = hx4700_lcd_set_power,
544 };
545
546 static struct platform_device hx4700_lcd = {
547         .name = "platform-lcd",
548         .id   = -1,
549         .dev  = {
550                 .platform_data = &hx4700_lcd_data,
551                 .parent        = &w3220.dev,
552         },
553 };
554
555 /*
556  * Backlight
557  */
558
559 static struct platform_pwm_backlight_data backlight_data = {
560         .pwm_id         = -1,   /* Superseded by pwm_lookup */
561         .max_brightness = 200,
562         .dft_brightness = 100,
563         .pwm_period_ns  = 30923,
564         .enable_gpio    = -1,
565 };
566
567 static struct platform_device backlight = {
568         .name = "pwm-backlight",
569         .id   = -1,
570         .dev  = {
571                 .parent        = &pxa27x_device_pwm1.dev,
572                 .platform_data = &backlight_data,
573         },
574 };
575
576 static struct pwm_lookup hx4700_pwm_lookup[] = {
577         PWM_LOOKUP("pxa27x-pwm.1", 0, "pwm-backlight", NULL),
578 };
579
580 /*
581  * USB "Transceiver"
582  */
583
584 static struct gpio_vbus_mach_info gpio_vbus_info = {
585         .gpio_pullup        = GPIO76_HX4700_USBC_PUEN,
586         .gpio_vbus          = GPIOD14_nUSBC_DETECT,
587         .gpio_vbus_inverted = 1,
588 };
589
590 static struct platform_device gpio_vbus = {
591         .name          = "gpio-vbus",
592         .id            = -1,
593         .dev = {
594                 .platform_data = &gpio_vbus_info,
595         },
596 };
597
598 /*
599  * Touchscreen - TSC2046 connected to SSP2
600  */
601
602 static const struct ads7846_platform_data tsc2046_info = {
603         .model            = 7846,
604         .vref_delay_usecs = 100,
605         .pressure_max     = 1024,
606         .debounce_max     = 10,
607         .debounce_tol     = 3,
608         .debounce_rep     = 1,
609         .gpio_pendown     = GPIO58_HX4700_TSC2046_nPENIRQ,
610 };
611
612 static struct pxa2xx_spi_chip tsc2046_chip = {
613         .tx_threshold = 1,
614         .rx_threshold = 2,
615         .timeout      = 64,
616         .gpio_cs      = GPIO88_HX4700_TSC2046_CS,
617 };
618
619 static struct spi_board_info tsc2046_board_info[] __initdata = {
620         {
621                 .modalias        = "ads7846",
622                 .bus_num         = 2,
623                 .max_speed_hz    = 2600000, /* 100 kHz sample rate */
624                 .irq             = PXA_GPIO_TO_IRQ(GPIO58_HX4700_TSC2046_nPENIRQ),
625                 .platform_data   = &tsc2046_info,
626                 .controller_data = &tsc2046_chip,
627         },
628 };
629
630 static struct pxa2xx_spi_master pxa_ssp2_master_info = {
631         .num_chipselect = 1,
632         .clock_enable   = CKEN_SSP2,
633         .enable_dma     = 1,
634 };
635
636 /*
637  * External power
638  */
639
640 static int power_supply_init(struct device *dev)
641 {
642         return gpio_request(GPIOD9_nAC_IN, "AC charger detect");
643 }
644
645 static int hx4700_is_ac_online(void)
646 {
647         return !gpio_get_value(GPIOD9_nAC_IN);
648 }
649
650 static void power_supply_exit(struct device *dev)
651 {
652         gpio_free(GPIOD9_nAC_IN);
653 }
654
655 static char *hx4700_supplicants[] = {
656         "ds2760-battery.0", "backup-battery"
657 };
658
659 static struct pda_power_pdata power_supply_info = {
660         .init            = power_supply_init,
661         .is_ac_online    = hx4700_is_ac_online,
662         .exit            = power_supply_exit,
663         .supplied_to     = hx4700_supplicants,
664         .num_supplicants = ARRAY_SIZE(hx4700_supplicants),
665 };
666
667 static struct resource power_supply_resources[] = {
668         [0] = DEFINE_RES_NAMED(PXA_GPIO_TO_IRQ(GPIOD9_nAC_IN), 1, "ac",
669                 IORESOURCE_IRQ |
670                 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE),
671         [1] = DEFINE_RES_NAMED(PXA_GPIO_TO_IRQ(GPIOD14_nUSBC_DETECT), 1, "usb",
672                 IORESOURCE_IRQ |
673                 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE),
674 };
675
676 static struct platform_device power_supply = {
677         .name = "pda-power",
678         .id   = -1,
679         .dev  = {
680                 .platform_data = &power_supply_info,
681         },
682         .resource      = power_supply_resources,
683         .num_resources = ARRAY_SIZE(power_supply_resources),
684 };
685
686 /*
687  * Battery charger
688  */
689
690 static struct regulator_consumer_supply bq24022_consumers[] = {
691         REGULATOR_SUPPLY("vbus_draw", NULL),
692         REGULATOR_SUPPLY("ac_draw", NULL),
693 };
694
695 static struct regulator_init_data bq24022_init_data = {
696         .constraints = {
697                 .max_uA         = 500000,
698                 .valid_ops_mask = REGULATOR_CHANGE_CURRENT|REGULATOR_CHANGE_STATUS,
699         },
700         .num_consumer_supplies  = ARRAY_SIZE(bq24022_consumers),
701         .consumer_supplies      = bq24022_consumers,
702 };
703
704 static struct gpio bq24022_gpios[] = {
705         { GPIO96_HX4700_BQ24022_ISET2, GPIOF_OUT_INIT_LOW, "bq24022_iset2" },
706 };
707
708 static struct gpio_regulator_state bq24022_states[] = {
709         { .value = 100000, .gpios = (0 << 0) },
710         { .value = 500000, .gpios = (1 << 0) },
711 };
712
713 static struct gpio_regulator_config bq24022_info = {
714         .supply_name = "bq24022",
715
716         .enable_gpio = GPIO72_HX4700_BQ24022_nCHARGE_EN,
717         .enable_high = 0,
718         .enabled_at_boot = 0,
719
720         .gpios = bq24022_gpios,
721         .nr_gpios = ARRAY_SIZE(bq24022_gpios),
722
723         .states = bq24022_states,
724         .nr_states = ARRAY_SIZE(bq24022_states),
725
726         .type = REGULATOR_CURRENT,
727         .init_data = &bq24022_init_data,
728 };
729
730 static struct platform_device bq24022 = {
731         .name = "gpio-regulator",
732         .id   = -1,
733         .dev  = {
734                 .platform_data = &bq24022_info,
735         },
736 };
737
738 /*
739  * StrataFlash
740  */
741
742 static void hx4700_set_vpp(struct platform_device *pdev, int vpp)
743 {
744         gpio_set_value(GPIO91_HX4700_FLASH_VPEN, vpp);
745 }
746
747 static struct resource strataflash_resource[] = {
748         [0] = DEFINE_RES_MEM(PXA_CS0_PHYS, SZ_64M),
749         [1] = DEFINE_RES_MEM(PXA_CS0_PHYS + SZ_64M, SZ_64M),
750 };
751
752 static struct physmap_flash_data strataflash_data = {
753         .width = 4,
754         .set_vpp = hx4700_set_vpp,
755 };
756
757 static struct platform_device strataflash = {
758         .name          = "physmap-flash",
759         .id            = -1,
760         .resource      = strataflash_resource,
761         .num_resources = ARRAY_SIZE(strataflash_resource),
762         .dev = {
763                 .platform_data = &strataflash_data,
764         },
765 };
766
767 /*
768  * Maxim MAX1587A on PI2C
769  */
770
771 static struct regulator_consumer_supply max1587a_consumer =
772         REGULATOR_SUPPLY("vcc_core", NULL);
773
774 static struct regulator_init_data max1587a_v3_info = {
775         .constraints = {
776                 .name = "vcc_core range",
777                 .min_uV =  900000,
778                 .max_uV = 1705000,
779                 .always_on = 1,
780                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
781         },
782         .num_consumer_supplies = 1,
783         .consumer_supplies     = &max1587a_consumer,
784 };
785
786 static struct max1586_subdev_data max1587a_subdev = {
787         .name = "vcc_core",
788         .id   = MAX1586_V3,
789         .platform_data = &max1587a_v3_info,
790 };
791
792 static struct max1586_platform_data max1587a_info = {
793         .num_subdevs = 1,
794         .subdevs     = &max1587a_subdev,
795         .v3_gain     = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
796 };
797
798 static struct i2c_board_info __initdata pi2c_board_info[] = {
799         {
800                 I2C_BOARD_INFO("max1586", 0x14),
801                 .platform_data = &max1587a_info,
802         },
803 };
804
805 /*
806  * Asahi Kasei AK4641 on I2C
807  */
808
809 static struct ak4641_platform_data ak4641_info = {
810         .gpio_power = GPIO27_HX4700_CODEC_ON,
811         .gpio_npdn  = GPIO109_HX4700_CODEC_nPDN,
812 };
813
814 static struct i2c_board_info i2c_board_info[] __initdata = {
815         {
816                 I2C_BOARD_INFO("ak4641", 0x12),
817                 .platform_data = &ak4641_info,
818         },
819 };
820
821 static struct platform_device audio = {
822         .name   = "hx4700-audio",
823         .id     = -1,
824 };
825
826
827 /*
828  * Platform devices
829  */
830
831 static struct platform_device *devices[] __initdata = {
832         &asic3,
833         &gpio_keys,
834         &navpoint,
835         &backlight,
836         &w3220,
837         &hx4700_lcd,
838         &egpio,
839         &bq24022,
840         &gpio_vbus,
841         &power_supply,
842         &strataflash,
843         &audio,
844 };
845
846 static struct gpio global_gpios[] = {
847         { GPIO12_HX4700_ASIC3_IRQ, GPIOF_IN, "ASIC3_IRQ" },
848         { GPIO13_HX4700_W3220_IRQ, GPIOF_IN, "W3220_IRQ" },
849         { GPIO14_HX4700_nWLAN_IRQ, GPIOF_IN, "WLAN_IRQ" },
850         { GPIO59_HX4700_LCD_PC1,          GPIOF_OUT_INIT_HIGH, "LCD_PC1" },
851         { GPIO62_HX4700_LCD_nRESET,       GPIOF_OUT_INIT_HIGH, "LCD_RESET" },
852         { GPIO70_HX4700_LCD_SLIN1,        GPIOF_OUT_INIT_HIGH, "LCD_SLIN1" },
853         { GPIO84_HX4700_LCD_SQN,          GPIOF_OUT_INIT_HIGH, "LCD_SQN" },
854         { GPIO110_HX4700_LCD_LVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_LVDD" },
855         { GPIO111_HX4700_LCD_AVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_AVDD" },
856         { GPIO32_HX4700_RS232_ON,         GPIOF_OUT_INIT_HIGH, "RS232_ON" },
857         { GPIO61_HX4700_W3220_nRESET,     GPIOF_OUT_INIT_HIGH, "W3220_nRESET" },
858         { GPIO71_HX4700_ASIC3_nRESET,     GPIOF_OUT_INIT_HIGH, "ASIC3_nRESET" },
859         { GPIO81_HX4700_CPU_GP_nRESET,    GPIOF_OUT_INIT_HIGH, "CPU_GP_nRESET" },
860         { GPIO82_HX4700_EUART_RESET,      GPIOF_OUT_INIT_HIGH, "EUART_RESET" },
861         { GPIO116_HX4700_CPU_HW_nRESET,   GPIOF_OUT_INIT_HIGH, "CPU_HW_nRESET" },
862 };
863
864 static void __init hx4700_init(void)
865 {
866         int ret;
867
868         PCFR = PCFR_GPR_EN | PCFR_OPDE;
869
870         pxa2xx_mfp_config(ARRAY_AND_SIZE(hx4700_pin_config));
871         gpio_set_wake(GPIO12_HX4700_ASIC3_IRQ, 1);
872         ret = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
873         if (ret)
874                 pr_err ("hx4700: Failed to request GPIOs.\n");
875
876         pxa_set_ffuart_info(NULL);
877         pxa_set_btuart_info(NULL);
878         pxa_set_stuart_info(NULL);
879
880         platform_add_devices(devices, ARRAY_SIZE(devices));
881         pwm_add_table(hx4700_pwm_lookup, ARRAY_SIZE(hx4700_pwm_lookup));
882
883         pxa_set_ficp_info(&ficp_info);
884         pxa27x_set_i2c_power_info(NULL);
885         pxa_set_i2c_info(NULL);
886         i2c_register_board_info(0, ARRAY_AND_SIZE(i2c_board_info));
887         i2c_register_board_info(1, ARRAY_AND_SIZE(pi2c_board_info));
888         pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
889         spi_register_board_info(ARRAY_AND_SIZE(tsc2046_board_info));
890
891         gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 0);
892         mdelay(10);
893         gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 1);
894         mdelay(10);
895 }
896
897 MACHINE_START(H4700, "HP iPAQ HX4700")
898         .atag_offset  = 0x100,
899         .map_io       = pxa27x_map_io,
900         .nr_irqs      = HX4700_NR_IRQS,
901         .init_irq     = pxa27x_init_irq,
902         .handle_irq     = pxa27x_handle_irq,
903         .init_machine = hx4700_init,
904         .init_time      = pxa_timer_init,
905         .restart        = pxa_restart,
906 MACHINE_END