ARM: pxa: rename gpio_to_irq and irq_to_gpio
[linux-3.10.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 <video/platform_lcd.h>
49 #include <video/w100fb.h>
50
51 #include "devices.h"
52 #include "generic.h"
53
54 /* Physical address space information */
55
56 #define ATI_W3220_PHYS  PXA_CS2_PHYS /* ATI Imageon 3220 Graphics */
57 #define ASIC3_PHYS      PXA_CS3_PHYS
58 #define ASIC3_SD_PHYS   (PXA_CS3_PHYS + 0x02000000)
59
60 static unsigned long hx4700_pin_config[] __initdata = {
61
62         /* SDRAM and Static Memory I/O Signals */
63         GPIO20_nSDCS_2,
64         GPIO21_nSDCS_3,
65         GPIO15_nCS_1,
66         GPIO78_nCS_2,   /* W3220 */
67         GPIO79_nCS_3,   /* ASIC3 */
68         GPIO80_nCS_4,
69         GPIO33_nCS_5,   /* EGPIO, WLAN */
70
71         /* PC CARD */
72         GPIO48_nPOE,
73         GPIO49_nPWE,
74         GPIO50_nPIOR,
75         GPIO51_nPIOW,
76         GPIO54_nPCE_2,
77         GPIO55_nPREG,
78         GPIO56_nPWAIT,
79         GPIO57_nIOIS16,
80         GPIO85_nPCE_1,
81         GPIO104_PSKTSEL,
82
83         /* I2C */
84         GPIO117_I2C_SCL,
85         GPIO118_I2C_SDA,
86
87         /* FFUART (RS-232) */
88         GPIO34_FFUART_RXD,
89         GPIO35_FFUART_CTS,
90         GPIO36_FFUART_DCD,
91         GPIO37_FFUART_DSR,
92         GPIO38_FFUART_RI,
93         GPIO39_FFUART_TXD,
94         GPIO40_FFUART_DTR,
95         GPIO41_FFUART_RTS,
96
97         /* BTUART */
98         GPIO42_BTUART_RXD,
99         GPIO43_BTUART_TXD,
100         GPIO44_BTUART_CTS,
101         GPIO45_BTUART_RTS,
102
103         /* PWM 1 (Backlight) */
104         GPIO17_PWM1_OUT,
105
106         /* I2S */
107         GPIO28_I2S_BITCLK_OUT,
108         GPIO29_I2S_SDATA_IN,
109         GPIO30_I2S_SDATA_OUT,
110         GPIO31_I2S_SYNC,
111         GPIO113_I2S_SYSCLK,
112
113         /* SSP 1 (NavPoint) */
114         GPIO23_SSP1_SCLK,
115         GPIO24_SSP1_SFRM,
116         GPIO25_SSP1_TXD,
117         GPIO26_SSP1_RXD,
118
119         /* SSP 2 (TSC2046) */
120         GPIO19_SSP2_SCLK,
121         GPIO86_SSP2_RXD,
122         GPIO87_SSP2_TXD,
123         GPIO88_GPIO,
124
125         /* HX4700 specific input GPIOs */
126         GPIO12_GPIO,    /* ASIC3_IRQ */
127         GPIO13_GPIO,    /* W3220_IRQ */
128         GPIO14_GPIO,    /* nWLAN_IRQ */
129
130         GPIO10_GPIO,    /* GSM_IRQ */
131         GPIO13_GPIO,    /* CPLD_IRQ */
132         GPIO107_GPIO,   /* DS1WM_IRQ */
133         GPIO108_GPIO,   /* GSM_READY */
134         GPIO58_GPIO,    /* TSC2046_nPENIRQ */
135         GPIO66_GPIO,    /* nSDIO_IRQ */
136 };
137
138 /*
139  * IRDA
140  */
141
142 static struct pxaficp_platform_data ficp_info = {
143         .gpio_pwdown            = GPIO105_HX4700_nIR_ON,
144         .transceiver_cap        = IR_SIRMODE | IR_OFF,
145 };
146
147 /*
148  * GPIO Keys
149  */
150
151 #define INIT_KEY(_code, _gpio, _active_low, _desc)      \
152         {                                               \
153                 .code       = KEY_##_code,              \
154                 .gpio       = _gpio,                    \
155                 .active_low = _active_low,              \
156                 .desc       = _desc,                    \
157                 .type       = EV_KEY,                   \
158                 .wakeup     = 1,                        \
159         }
160
161 static struct gpio_keys_button gpio_keys_buttons[] = {
162         INIT_KEY(POWER,       GPIO0_HX4700_nKEY_POWER,   1, "Power button"),
163         INIT_KEY(MAIL,        GPIO94_HX4700_KEY_MAIL,    0, "Mail button"),
164         INIT_KEY(ADDRESSBOOK, GPIO99_HX4700_KEY_CONTACTS,0, "Contacts button"),
165         INIT_KEY(RECORD,      GPIOD6_nKEY_RECORD,        1, "Record button"),
166         INIT_KEY(CALENDAR,    GPIOD1_nKEY_CALENDAR,      1, "Calendar button"),
167         INIT_KEY(HOMEPAGE,    GPIOD3_nKEY_HOME,          1, "Home button"),
168 };
169
170 static struct gpio_keys_platform_data gpio_keys_data = {
171         .buttons = gpio_keys_buttons,
172         .nbuttons = ARRAY_SIZE(gpio_keys_buttons),
173 };
174
175 static struct platform_device gpio_keys = {
176         .name = "gpio-keys",
177         .dev  = {
178                 .platform_data = &gpio_keys_data,
179         },
180         .id   = -1,
181 };
182
183 /*
184  * ASIC3
185  */
186
187 static u16 asic3_gpio_config[] = {
188         /* ASIC3 GPIO banks A and B along with some of C and D
189            implement the buffering for the CF slot. */
190         ASIC3_CONFIG_GPIO(0, 1, 1, 0),
191         ASIC3_CONFIG_GPIO(1, 1, 1, 0),
192         ASIC3_CONFIG_GPIO(2, 1, 1, 0),
193         ASIC3_CONFIG_GPIO(3, 1, 1, 0),
194         ASIC3_CONFIG_GPIO(4, 1, 1, 0),
195         ASIC3_CONFIG_GPIO(5, 1, 1, 0),
196         ASIC3_CONFIG_GPIO(6, 1, 1, 0),
197         ASIC3_CONFIG_GPIO(7, 1, 1, 0),
198         ASIC3_CONFIG_GPIO(8, 1, 1, 0),
199         ASIC3_CONFIG_GPIO(9, 1, 1, 0),
200         ASIC3_CONFIG_GPIO(10, 1, 1, 0),
201         ASIC3_CONFIG_GPIO(11, 1, 1, 0),
202         ASIC3_CONFIG_GPIO(12, 1, 1, 0),
203         ASIC3_CONFIG_GPIO(13, 1, 1, 0),
204         ASIC3_CONFIG_GPIO(14, 1, 1, 0),
205         ASIC3_CONFIG_GPIO(15, 1, 1, 0),
206
207         ASIC3_CONFIG_GPIO(16, 1, 1, 0),
208         ASIC3_CONFIG_GPIO(17, 1, 1, 0),
209         ASIC3_CONFIG_GPIO(18, 1, 1, 0),
210         ASIC3_CONFIG_GPIO(19, 1, 1, 0),
211         ASIC3_CONFIG_GPIO(20, 1, 1, 0),
212         ASIC3_CONFIG_GPIO(21, 1, 1, 0),
213         ASIC3_CONFIG_GPIO(22, 1, 1, 0),
214         ASIC3_CONFIG_GPIO(23, 1, 1, 0),
215         ASIC3_CONFIG_GPIO(24, 1, 1, 0),
216         ASIC3_CONFIG_GPIO(25, 1, 1, 0),
217         ASIC3_CONFIG_GPIO(26, 1, 1, 0),
218         ASIC3_CONFIG_GPIO(27, 1, 1, 0),
219         ASIC3_CONFIG_GPIO(28, 1, 1, 0),
220         ASIC3_CONFIG_GPIO(29, 1, 1, 0),
221         ASIC3_CONFIG_GPIO(30, 1, 1, 0),
222         ASIC3_CONFIG_GPIO(31, 1, 1, 0),
223
224         /* GPIOC - CF, LEDs, SD */
225         ASIC3_GPIOC0_LED0,              /* red */
226         ASIC3_GPIOC1_LED1,              /* green */
227         ASIC3_GPIOC2_LED2,              /* blue */
228         ASIC3_GPIOC4_CF_nCD,
229         ASIC3_GPIOC5_nCIOW,
230         ASIC3_GPIOC6_nCIOR,
231         ASIC3_GPIOC7_nPCE_1,
232         ASIC3_GPIOC8_nPCE_2,
233         ASIC3_GPIOC9_nPOE,
234         ASIC3_GPIOC10_nPWE,
235         ASIC3_GPIOC11_PSKTSEL,
236         ASIC3_GPIOC12_nPREG,
237         ASIC3_GPIOC13_nPWAIT,
238         ASIC3_GPIOC14_nPIOIS16,
239         ASIC3_GPIOC15_nPIOR,
240
241         /* GPIOD: input GPIOs, CF */
242         ASIC3_GPIOD11_nCIOIS16,
243         ASIC3_GPIOD12_nCWAIT,
244         ASIC3_GPIOD15_nPIOW,
245 };
246
247 static struct resource asic3_resources[] = {
248         /* GPIO part */
249         [0] = {
250                 .start  = ASIC3_PHYS,
251                 .end    = ASIC3_PHYS + ASIC3_MAP_SIZE_16BIT - 1,
252                 .flags  = IORESOURCE_MEM,
253         },
254         [1] = {
255                 .start  = PXA_GPIO_TO_IRQ(GPIO12_HX4700_ASIC3_IRQ),
256                 .end    = PXA_GPIO_TO_IRQ(GPIO12_HX4700_ASIC3_IRQ),
257                 .flags  = IORESOURCE_IRQ,
258         },
259         /* SD part */
260         [2] = {
261                 .start  = ASIC3_SD_PHYS,
262                 .end    = ASIC3_SD_PHYS + ASIC3_MAP_SIZE_16BIT - 1,
263                 .flags  = IORESOURCE_MEM,
264         },
265         [3] = {
266                 .start  = PXA_GPIO_TO_IRQ(GPIO66_HX4700_ASIC3_nSDIO_IRQ),
267                 .end    = PXA_GPIO_TO_IRQ(GPIO66_HX4700_ASIC3_nSDIO_IRQ),
268                 .flags  = IORESOURCE_IRQ,
269         },
270 };
271
272 static struct asic3_platform_data asic3_platform_data = {
273         .gpio_config     = asic3_gpio_config,
274         .gpio_config_num = ARRAY_SIZE(asic3_gpio_config),
275         .irq_base        = IRQ_BOARD_START,
276         .gpio_base       = HX4700_ASIC3_GPIO_BASE,
277 };
278
279 static struct platform_device asic3 = {
280         .name          = "asic3",
281         .id            = -1,
282         .resource      = asic3_resources,
283         .num_resources = ARRAY_SIZE(asic3_resources),
284         .dev = {
285                 .platform_data = &asic3_platform_data,
286         },
287 };
288
289 /*
290  * EGPIO
291  */
292
293 static struct resource egpio_resources[] = {
294         [0] = {
295                 .start = PXA_CS5_PHYS,
296                 .end   = PXA_CS5_PHYS + 0x4 - 1,
297                 .flags = IORESOURCE_MEM,
298         },
299 };
300
301 static struct htc_egpio_chip egpio_chips[] = {
302         [0] = {
303                 .reg_start = 0,
304                 .gpio_base = HX4700_EGPIO_BASE,
305                 .num_gpios = 8,
306                 .direction = HTC_EGPIO_OUTPUT,
307         },
308 };
309
310 static struct htc_egpio_platform_data egpio_info = {
311         .reg_width = 16,
312         .bus_width = 16,
313         .chip      = egpio_chips,
314         .num_chips = ARRAY_SIZE(egpio_chips),
315 };
316
317 static struct platform_device egpio = {
318         .name          = "htc-egpio",
319         .id            = -1,
320         .resource      = egpio_resources,
321         .num_resources = ARRAY_SIZE(egpio_resources),
322         .dev = {
323                 .platform_data = &egpio_info,
324         },
325 };
326
327 /*
328  * LCD - Sony display connected to ATI Imageon w3220
329  */
330
331 static void sony_lcd_init(void)
332 {
333         gpio_set_value(GPIO84_HX4700_LCD_SQN, 1);
334         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
335         gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
336         gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 0);
337         gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
338         mdelay(10);
339         gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
340         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
341         mdelay(20);
342
343         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 1);
344         mdelay(5);
345         gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 1);
346
347         /* FIXME: init w3220 registers here */
348
349         mdelay(5);
350         gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 1);
351         mdelay(10);
352         gpio_set_value(GPIO62_HX4700_LCD_nRESET, 1);
353         mdelay(10);
354         gpio_set_value(GPIO59_HX4700_LCD_PC1, 1);
355         mdelay(10);
356         gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 1);
357 }
358
359 static void sony_lcd_off(void)
360 {
361         gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
362         gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
363         mdelay(10);
364         gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 0);
365         mdelay(10);
366         gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
367         mdelay(10);
368         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
369 }
370
371 #ifdef CONFIG_PM
372 static void w3220_lcd_suspend(struct w100fb_par *wfb)
373 {
374         sony_lcd_off();
375 }
376
377 static void w3220_lcd_resume(struct w100fb_par *wfb)
378 {
379         sony_lcd_init();
380 }
381 #else
382 #define w3220_lcd_resume        NULL
383 #define w3220_lcd_suspend       NULL
384 #endif
385
386 static struct w100_tg_info w3220_tg_info = {
387         .suspend        = w3220_lcd_suspend,
388         .resume         = w3220_lcd_resume,
389 };
390
391 /*                               W3220_VGA              QVGA */
392 static struct w100_gen_regs w3220_regs = {
393         .lcd_format =        0x00000003,
394         .lcdd_cntl1 =        0x00000000,
395         .lcdd_cntl2 =        0x0003ffff,
396         .genlcd_cntl1 =      0x00abf003,        /* 0x00fff003 */
397         .genlcd_cntl2 =      0x00000003,
398         .genlcd_cntl3 =      0x000102aa,
399 };
400
401 static struct w100_mode w3220_modes[] = {
402 {
403         .xres           = 480,
404         .yres           = 640,
405         .left_margin    = 15,
406         .right_margin   = 16,
407         .upper_margin   = 8,
408         .lower_margin   = 7,
409         .crtc_ss        = 0x00000000,
410         .crtc_ls        = 0xa1ff01f9,   /* 0x21ff01f9 */
411         .crtc_gs        = 0xc0000000,   /* 0x40000000 */
412         .crtc_vpos_gs   = 0x0000028f,
413         .crtc_ps1_active = 0x00000000,  /* 0x41060010 */
414         .crtc_rev       = 0,
415         .crtc_dclk      = 0x80000000,
416         .crtc_gclk      = 0x040a0104,
417         .crtc_goe       = 0,
418         .pll_freq       = 95,
419         .pixclk_divider = 4,
420         .pixclk_divider_rotated = 4,
421         .pixclk_src     = CLK_SRC_PLL,
422         .sysclk_divider = 0,
423         .sysclk_src     = CLK_SRC_PLL,
424 },
425 {
426         .xres           = 240,
427         .yres           = 320,
428         .left_margin    = 9,
429         .right_margin   = 8,
430         .upper_margin   = 5,
431         .lower_margin   = 4,
432         .crtc_ss        = 0x80150014,
433         .crtc_ls        = 0xa0fb00f7,
434         .crtc_gs        = 0xc0080007,
435         .crtc_vpos_gs   = 0x00080007,
436         .crtc_rev       = 0x0000000a,
437         .crtc_dclk      = 0x81700030,
438         .crtc_gclk      = 0x8015010f,
439         .crtc_goe       = 0x00000000,
440         .pll_freq       = 95,
441         .pixclk_divider = 4,
442         .pixclk_divider_rotated = 4,
443         .pixclk_src     = CLK_SRC_PLL,
444         .sysclk_divider = 0,
445         .sysclk_src     = CLK_SRC_PLL,
446 },
447 };
448
449 struct w100_mem_info w3220_mem_info = {
450         .ext_cntl        = 0x09640011,
451         .sdram_mode_reg  = 0x00600021,
452         .ext_timing_cntl = 0x1a001545,  /* 0x15001545 */
453         .io_cntl         = 0x7ddd7333,
454         .size            = 0x1fffff,
455 };
456
457 struct w100_bm_mem_info w3220_bm_mem_info = {
458         .ext_mem_bw = 0x50413e01,
459         .offset = 0,
460         .ext_timing_ctl = 0x00043f7f,
461         .ext_cntl = 0x00000010,
462         .mode_reg = 0x00250000,
463         .io_cntl = 0x0fff0000,
464         .config = 0x08301480,
465 };
466
467 static struct w100_gpio_regs w3220_gpio_info = {
468         .init_data1 = 0xdfe00100,       /* GPIO_DATA */
469         .gpio_dir1  = 0xffff0000,       /* GPIO_CNTL1 */
470         .gpio_oe1   = 0x00000000,       /* GPIO_CNTL2 */
471         .init_data2 = 0x00000000,       /* GPIO_DATA2 */
472         .gpio_dir2  = 0x00000000,       /* GPIO_CNTL3 */
473         .gpio_oe2   = 0x00000000,       /* GPIO_CNTL4 */
474 };
475
476 static struct w100fb_mach_info w3220_info = {
477         .tg        = &w3220_tg_info,
478         .mem       = &w3220_mem_info,
479         .bm_mem    = &w3220_bm_mem_info,
480         .gpio      = &w3220_gpio_info,
481         .regs      = &w3220_regs,
482         .modelist  = w3220_modes,
483         .num_modes = 2,
484         .xtal_freq = 16000000,
485 };
486
487 static struct resource w3220_resources[] = {
488         [0] = {
489                 .start  = ATI_W3220_PHYS,
490                 .end    = ATI_W3220_PHYS + 0x00ffffff,
491                 .flags  = IORESOURCE_MEM,
492         },
493 };
494
495 static struct platform_device w3220 = {
496         .name   = "w100fb",
497         .id     = -1,
498         .dev    = {
499                 .platform_data = &w3220_info,
500         },
501         .num_resources = ARRAY_SIZE(w3220_resources),
502         .resource      = w3220_resources,
503 };
504
505 static void hx4700_lcd_set_power(struct plat_lcd_data *pd, unsigned int power)
506 {
507         if (power)
508                 sony_lcd_init();
509         else
510                 sony_lcd_off();
511 }
512
513 static struct plat_lcd_data hx4700_lcd_data = {
514         .set_power = hx4700_lcd_set_power,
515 };
516
517 static struct platform_device hx4700_lcd = {
518         .name = "platform-lcd",
519         .id   = -1,
520         .dev  = {
521                 .platform_data = &hx4700_lcd_data,
522                 .parent        = &w3220.dev,
523         },
524 };
525
526 /*
527  * Backlight
528  */
529
530 static struct platform_pwm_backlight_data backlight_data = {
531         .pwm_id         = 1,
532         .max_brightness = 200,
533         .dft_brightness = 100,
534         .pwm_period_ns  = 30923,
535 };
536
537 static struct platform_device backlight = {
538         .name = "pwm-backlight",
539         .id   = -1,
540         .dev  = {
541                 .parent        = &pxa27x_device_pwm1.dev,
542                 .platform_data = &backlight_data,
543         },
544 };
545
546 /*
547  * USB "Transceiver"
548  */
549
550 static struct gpio_vbus_mach_info gpio_vbus_info = {
551         .gpio_pullup        = GPIO76_HX4700_USBC_PUEN,
552         .gpio_vbus          = GPIOD14_nUSBC_DETECT,
553         .gpio_vbus_inverted = 1,
554 };
555
556 static struct platform_device gpio_vbus = {
557         .name          = "gpio-vbus",
558         .id            = -1,
559         .dev = {
560                 .platform_data = &gpio_vbus_info,
561         },
562 };
563
564 /*
565  * Touchscreen - TSC2046 connected to SSP2
566  */
567
568 static const struct ads7846_platform_data tsc2046_info = {
569         .model            = 7846,
570         .vref_delay_usecs = 100,
571         .pressure_max     = 1024,
572         .debounce_max     = 10,
573         .debounce_tol     = 3,
574         .debounce_rep     = 1,
575         .gpio_pendown     = GPIO58_HX4700_TSC2046_nPENIRQ,
576 };
577
578 static struct pxa2xx_spi_chip tsc2046_chip = {
579         .tx_threshold = 1,
580         .rx_threshold = 2,
581         .timeout      = 64,
582         .gpio_cs      = GPIO88_HX4700_TSC2046_CS,
583 };
584
585 static struct spi_board_info tsc2046_board_info[] __initdata = {
586         {
587                 .modalias        = "ads7846",
588                 .bus_num         = 2,
589                 .max_speed_hz    = 2600000, /* 100 kHz sample rate */
590                 .irq             = PXA_GPIO_TO_IRQ(GPIO58_HX4700_TSC2046_nPENIRQ),
591                 .platform_data   = &tsc2046_info,
592                 .controller_data = &tsc2046_chip,
593         },
594 };
595
596 static struct pxa2xx_spi_master pxa_ssp2_master_info = {
597         .num_chipselect = 1,
598         .clock_enable   = CKEN_SSP2,
599         .enable_dma     = 1,
600 };
601
602 /*
603  * External power
604  */
605
606 static int power_supply_init(struct device *dev)
607 {
608         return gpio_request(GPIOD9_nAC_IN, "AC charger detect");
609 }
610
611 static int hx4700_is_ac_online(void)
612 {
613         return !gpio_get_value(GPIOD9_nAC_IN);
614 }
615
616 static void power_supply_exit(struct device *dev)
617 {
618         gpio_free(GPIOD9_nAC_IN);
619 }
620
621 static char *hx4700_supplicants[] = {
622         "ds2760-battery.0", "backup-battery"
623 };
624
625 static struct pda_power_pdata power_supply_info = {
626         .init            = power_supply_init,
627         .is_ac_online    = hx4700_is_ac_online,
628         .exit            = power_supply_exit,
629         .supplied_to     = hx4700_supplicants,
630         .num_supplicants = ARRAY_SIZE(hx4700_supplicants),
631 };
632
633 static struct resource power_supply_resources[] = {
634         [0] = {
635                 .name  = "ac",
636                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
637                          IORESOURCE_IRQ_LOWEDGE,
638                 .start = PXA_GPIO_TO_IRQ(GPIOD9_nAC_IN),
639                 .end   = PXA_GPIO_TO_IRQ(GPIOD9_nAC_IN),
640         },
641         [1] = {
642                 .name  = "usb",
643                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
644                          IORESOURCE_IRQ_LOWEDGE,
645                 .start = PXA_GPIO_TO_IRQ(GPIOD14_nUSBC_DETECT),
646                 .end   = PXA_GPIO_TO_IRQ(GPIOD14_nUSBC_DETECT),
647         },
648 };
649
650 static struct platform_device power_supply = {
651         .name = "pda-power",
652         .id   = -1,
653         .dev  = {
654                 .platform_data = &power_supply_info,
655         },
656         .resource      = power_supply_resources,
657         .num_resources = ARRAY_SIZE(power_supply_resources),
658 };
659
660 /*
661  * Battery charger
662  */
663
664 static struct regulator_consumer_supply bq24022_consumers[] = {
665         {
666                 .dev = &gpio_vbus.dev,
667                 .supply = "vbus_draw",
668         },
669         {
670                 .dev = &power_supply.dev,
671                 .supply = "ac_draw",
672         },
673 };
674
675 static struct regulator_init_data bq24022_init_data = {
676         .constraints = {
677                 .max_uA         = 500000,
678                 .valid_ops_mask = REGULATOR_CHANGE_CURRENT|REGULATOR_CHANGE_STATUS,
679         },
680         .num_consumer_supplies  = ARRAY_SIZE(bq24022_consumers),
681         .consumer_supplies      = bq24022_consumers,
682 };
683
684 static struct bq24022_mach_info bq24022_info = {
685         .gpio_nce   = GPIO72_HX4700_BQ24022_nCHARGE_EN,
686         .gpio_iset2 = GPIO96_HX4700_BQ24022_ISET2,
687         .init_data  = &bq24022_init_data,
688 };
689
690 static struct platform_device bq24022 = {
691         .name = "bq24022",
692         .id   = -1,
693         .dev  = {
694                 .platform_data = &bq24022_info,
695         },
696 };
697
698 /*
699  * StrataFlash
700  */
701
702 static void hx4700_set_vpp(struct platform_device *pdev, int vpp)
703 {
704         gpio_set_value(GPIO91_HX4700_FLASH_VPEN, vpp);
705 }
706
707 static struct resource strataflash_resource = {
708         .start = PXA_CS0_PHYS,
709         .end   = PXA_CS0_PHYS + SZ_128M - 1,
710         .flags = IORESOURCE_MEM,
711 };
712
713 static struct physmap_flash_data strataflash_data = {
714         .width = 4,
715         .set_vpp = hx4700_set_vpp,
716 };
717
718 static struct platform_device strataflash = {
719         .name          = "physmap-flash",
720         .id            = -1,
721         .resource      = &strataflash_resource,
722         .num_resources = 1,
723         .dev = {
724                 .platform_data = &strataflash_data,
725         },
726 };
727
728 /*
729  * Maxim MAX1587A on PI2C
730  */
731
732 static struct regulator_consumer_supply max1587a_consumer = {
733         .supply = "vcc_core",
734 };
735
736 static struct regulator_init_data max1587a_v3_info = {
737         .constraints = {
738                 .name = "vcc_core range",
739                 .min_uV =  900000,
740                 .max_uV = 1705000,
741                 .always_on = 1,
742                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
743         },
744         .num_consumer_supplies = 1,
745         .consumer_supplies     = &max1587a_consumer,
746 };
747
748 static struct max1586_subdev_data max1587a_subdev = {
749         .name = "vcc_core",
750         .id   = MAX1586_V3,
751         .platform_data = &max1587a_v3_info,
752 };
753
754 static struct max1586_platform_data max1587a_info = {
755         .num_subdevs = 1,
756         .subdevs     = &max1587a_subdev,
757         .v3_gain     = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
758 };
759
760 static struct i2c_board_info __initdata pi2c_board_info[] = {
761         {
762                 I2C_BOARD_INFO("max1586", 0x14),
763                 .platform_data = &max1587a_info,
764         },
765 };
766
767 /*
768  * PCMCIA
769  */
770
771 static struct platform_device pcmcia = {
772         .name = "hx4700-pcmcia",
773         .dev  = {
774                 .parent = &asic3.dev,
775         },
776 };
777
778 /*
779  * Platform devices
780  */
781
782 static struct platform_device *devices[] __initdata = {
783         &asic3,
784         &gpio_keys,
785         &backlight,
786         &w3220,
787         &hx4700_lcd,
788         &egpio,
789         &bq24022,
790         &gpio_vbus,
791         &power_supply,
792         &strataflash,
793         &pcmcia,
794 };
795
796 static struct gpio global_gpios[] = {
797         { GPIO12_HX4700_ASIC3_IRQ, GPIOF_IN, "ASIC3_IRQ" },
798         { GPIO13_HX4700_W3220_IRQ, GPIOF_IN, "W3220_IRQ" },
799         { GPIO14_HX4700_nWLAN_IRQ, GPIOF_IN, "WLAN_IRQ" },
800         { GPIO59_HX4700_LCD_PC1,          GPIOF_OUT_INIT_HIGH, "LCD_PC1" },
801         { GPIO62_HX4700_LCD_nRESET,       GPIOF_OUT_INIT_HIGH, "LCD_RESET" },
802         { GPIO70_HX4700_LCD_SLIN1,        GPIOF_OUT_INIT_HIGH, "LCD_SLIN1" },
803         { GPIO84_HX4700_LCD_SQN,          GPIOF_OUT_INIT_HIGH, "LCD_SQN" },
804         { GPIO110_HX4700_LCD_LVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_LVDD" },
805         { GPIO111_HX4700_LCD_AVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_AVDD" },
806         { GPIO32_HX4700_RS232_ON,         GPIOF_OUT_INIT_HIGH, "RS232_ON" },
807         { GPIO71_HX4700_ASIC3_nRESET,     GPIOF_OUT_INIT_HIGH, "ASIC3_nRESET" },
808         { GPIO82_HX4700_EUART_RESET,      GPIOF_OUT_INIT_HIGH, "EUART_RESET" },
809         { GPIO105_HX4700_nIR_ON,          GPIOF_OUT_INIT_HIGH, "nIR_EN" },
810 };
811
812 static void __init hx4700_init(void)
813 {
814         int ret;
815
816         pxa2xx_mfp_config(ARRAY_AND_SIZE(hx4700_pin_config));
817         ret = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
818         if (ret)
819                 pr_err ("hx4700: Failed to request GPIOs.\n");
820
821         pxa_set_ffuart_info(NULL);
822         pxa_set_btuart_info(NULL);
823         pxa_set_stuart_info(NULL);
824
825         platform_add_devices(devices, ARRAY_SIZE(devices));
826
827         pxa_set_ficp_info(&ficp_info);
828         pxa27x_set_i2c_power_info(NULL);
829         pxa_set_i2c_info(NULL);
830         i2c_register_board_info(1, ARRAY_AND_SIZE(pi2c_board_info));
831         pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
832         spi_register_board_info(ARRAY_AND_SIZE(tsc2046_board_info));
833
834         gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 0);
835         mdelay(10);
836         gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 1);
837         mdelay(10);
838 }
839
840 MACHINE_START(H4700, "HP iPAQ HX4700")
841         .atag_offset  = 0x100,
842         .map_io       = pxa27x_map_io,
843         .nr_irqs      = HX4700_NR_IRQS,
844         .init_irq     = pxa27x_init_irq,
845         .handle_irq     = pxa27x_handle_irq,
846         .init_machine = hx4700_init,
847         .timer        = &pxa_timer,
848 MACHINE_END