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TOMOYO Linux Cross Reference
Linux/arch/arm/mach-pxa/hx4700.c

Version: ~ [ linux-5.4-rc3 ] ~ [ linux-5.3.6 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.79 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.149 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.196 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.196 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.75 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-3.9.11 ] ~ [ linux-3.8.13 ] ~ [ linux-3.7.10 ] ~ [ linux-3.6.11 ] ~ [ linux-3.5.7 ] ~ [ linux-3.4.113 ] ~ [ linux-3.3.8 ] ~ [ linux-3.2.102 ] ~ [ linux-3.1.10 ] ~ [ linux-3.0.101 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
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  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 };
565 
566 static struct platform_device backlight = {
567         .name = "pwm-backlight",
568         .id   = -1,
569         .dev  = {
570                 .parent        = &pxa27x_device_pwm1.dev,
571                 .platform_data = &backlight_data,
572         },
573 };
574 
575 static struct pwm_lookup hx4700_pwm_lookup[] = {
576         PWM_LOOKUP("pxa27x-pwm.1", 0, "pwm-backlight", NULL),
577 };
578 
579 /*
580  * USB "Transceiver"
581  */
582 
583 static struct gpio_vbus_mach_info gpio_vbus_info = {
584         .gpio_pullup        = GPIO76_HX4700_USBC_PUEN,
585         .gpio_vbus          = GPIOD14_nUSBC_DETECT,
586         .gpio_vbus_inverted = 1,
587 };
588 
589 static struct platform_device gpio_vbus = {
590         .name          = "gpio-vbus",
591         .id            = -1,
592         .dev = {
593                 .platform_data = &gpio_vbus_info,
594         },
595 };
596 
597 /*
598  * Touchscreen - TSC2046 connected to SSP2
599  */
600 
601 static const struct ads7846_platform_data tsc2046_info = {
602         .model            = 7846,
603         .vref_delay_usecs = 100,
604         .pressure_max     = 1024,
605         .debounce_max     = 10,
606         .debounce_tol     = 3,
607         .debounce_rep     = 1,
608         .gpio_pendown     = GPIO58_HX4700_TSC2046_nPENIRQ,
609 };
610 
611 static struct pxa2xx_spi_chip tsc2046_chip = {
612         .tx_threshold = 1,
613         .rx_threshold = 2,
614         .timeout      = 64,
615         .gpio_cs      = GPIO88_HX4700_TSC2046_CS,
616 };
617 
618 static struct spi_board_info tsc2046_board_info[] __initdata = {
619         {
620                 .modalias        = "ads7846",
621                 .bus_num         = 2,
622                 .max_speed_hz    = 2600000, /* 100 kHz sample rate */
623                 .irq             = PXA_GPIO_TO_IRQ(GPIO58_HX4700_TSC2046_nPENIRQ),
624                 .platform_data   = &tsc2046_info,
625                 .controller_data = &tsc2046_chip,
626         },
627 };
628 
629 static struct pxa2xx_spi_master pxa_ssp2_master_info = {
630         .num_chipselect = 1,
631         .clock_enable   = CKEN_SSP2,
632         .enable_dma     = 1,
633 };
634 
635 /*
636  * External power
637  */
638 
639 static int power_supply_init(struct device *dev)
640 {
641         return gpio_request(GPIOD9_nAC_IN, "AC charger detect");
642 }
643 
644 static int hx4700_is_ac_online(void)
645 {
646         return !gpio_get_value(GPIOD9_nAC_IN);
647 }
648 
649 static void power_supply_exit(struct device *dev)
650 {
651         gpio_free(GPIOD9_nAC_IN);
652 }
653 
654 static char *hx4700_supplicants[] = {
655         "ds2760-battery.0", "backup-battery"
656 };
657 
658 static struct pda_power_pdata power_supply_info = {
659         .init            = power_supply_init,
660         .is_ac_online    = hx4700_is_ac_online,
661         .exit            = power_supply_exit,
662         .supplied_to     = hx4700_supplicants,
663         .num_supplicants = ARRAY_SIZE(hx4700_supplicants),
664 };
665 
666 static struct resource power_supply_resources[] = {
667         [0] = DEFINE_RES_NAMED(PXA_GPIO_TO_IRQ(GPIOD9_nAC_IN), 1, "ac",
668                 IORESOURCE_IRQ |
669                 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE),
670         [1] = DEFINE_RES_NAMED(PXA_GPIO_TO_IRQ(GPIOD14_nUSBC_DETECT), 1, "usb",
671                 IORESOURCE_IRQ |
672                 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE),
673 };
674 
675 static struct platform_device power_supply = {
676         .name = "pda-power",
677         .id   = -1,
678         .dev  = {
679                 .platform_data = &power_supply_info,
680         },
681         .resource      = power_supply_resources,
682         .num_resources = ARRAY_SIZE(power_supply_resources),
683 };
684 
685 /*
686  * Battery charger
687  */
688 
689 static struct regulator_consumer_supply bq24022_consumers[] = {
690         REGULATOR_SUPPLY("vbus_draw", NULL),
691         REGULATOR_SUPPLY("ac_draw", NULL),
692 };
693 
694 static struct regulator_init_data bq24022_init_data = {
695         .constraints = {
696                 .max_uA         = 500000,
697                 .valid_ops_mask = REGULATOR_CHANGE_CURRENT|REGULATOR_CHANGE_STATUS,
698         },
699         .num_consumer_supplies  = ARRAY_SIZE(bq24022_consumers),
700         .consumer_supplies      = bq24022_consumers,
701 };
702 
703 static struct gpio bq24022_gpios[] = {
704         { GPIO96_HX4700_BQ24022_ISET2, GPIOF_OUT_INIT_LOW, "bq24022_iset2" },
705 };
706 
707 static struct gpio_regulator_state bq24022_states[] = {
708         { .value = 100000, .gpios = (0 << 0) },
709         { .value = 500000, .gpios = (1 << 0) },
710 };
711 
712 static struct gpio_regulator_config bq24022_info = {
713         .supply_name = "bq24022",
714 
715         .enable_gpio = GPIO72_HX4700_BQ24022_nCHARGE_EN,
716         .enable_high = 0,
717         .enabled_at_boot = 0,
718 
719         .gpios = bq24022_gpios,
720         .nr_gpios = ARRAY_SIZE(bq24022_gpios),
721 
722         .states = bq24022_states,
723         .nr_states = ARRAY_SIZE(bq24022_states),
724 
725         .type = REGULATOR_CURRENT,
726         .init_data = &bq24022_init_data,
727 };
728 
729 static struct platform_device bq24022 = {
730         .name = "gpio-regulator",
731         .id   = -1,
732         .dev  = {
733                 .platform_data = &bq24022_info,
734         },
735 };
736 
737 /*
738  * StrataFlash
739  */
740 
741 static void hx4700_set_vpp(struct platform_device *pdev, int vpp)
742 {
743         gpio_set_value(GPIO91_HX4700_FLASH_VPEN, vpp);
744 }
745 
746 static struct resource strataflash_resource[] = {
747         [0] = DEFINE_RES_MEM(PXA_CS0_PHYS, SZ_64M),
748         [1] = DEFINE_RES_MEM(PXA_CS0_PHYS + SZ_64M, SZ_64M),
749 };
750 
751 static struct physmap_flash_data strataflash_data = {
752         .width = 4,
753         .set_vpp = hx4700_set_vpp,
754 };
755 
756 static struct platform_device strataflash = {
757         .name          = "physmap-flash",
758         .id            = -1,
759         .resource      = strataflash_resource,
760         .num_resources = ARRAY_SIZE(strataflash_resource),
761         .dev = {
762                 .platform_data = &strataflash_data,
763         },
764 };
765 
766 /*
767  * Maxim MAX1587A on PI2C
768  */
769 
770 static struct regulator_consumer_supply max1587a_consumer =
771         REGULATOR_SUPPLY("vcc_core", NULL);
772 
773 static struct regulator_init_data max1587a_v3_info = {
774         .constraints = {
775                 .name = "vcc_core range",
776                 .min_uV =  900000,
777                 .max_uV = 1705000,
778                 .always_on = 1,
779                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
780         },
781         .num_consumer_supplies = 1,
782         .consumer_supplies     = &max1587a_consumer,
783 };
784 
785 static struct max1586_subdev_data max1587a_subdev = {
786         .name = "vcc_core",
787         .id   = MAX1586_V3,
788         .platform_data = &max1587a_v3_info,
789 };
790 
791 static struct max1586_platform_data max1587a_info = {
792         .num_subdevs = 1,
793         .subdevs     = &max1587a_subdev,
794         .v3_gain     = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
795 };
796 
797 static struct i2c_board_info __initdata pi2c_board_info[] = {
798         {
799                 I2C_BOARD_INFO("max1586", 0x14),
800                 .platform_data = &max1587a_info,
801         },
802 };
803 
804 /*
805  * Asahi Kasei AK4641 on I2C
806  */
807 
808 static struct ak4641_platform_data ak4641_info = {
809         .gpio_power = GPIO27_HX4700_CODEC_ON,
810         .gpio_npdn  = GPIO109_HX4700_CODEC_nPDN,
811 };
812 
813 static struct i2c_board_info i2c_board_info[] __initdata = {
814         {
815                 I2C_BOARD_INFO("ak4641", 0x12),
816                 .platform_data = &ak4641_info,
817         },
818 };
819 
820 static struct platform_device audio = {
821         .name   = "hx4700-audio",
822         .id     = -1,
823 };
824 
825 
826 /*
827  * Platform devices
828  */
829 
830 static struct platform_device *devices[] __initdata = {
831         &asic3,
832         &gpio_keys,
833         &navpoint,
834         &backlight,
835         &w3220,
836         &hx4700_lcd,
837         &egpio,
838         &bq24022,
839         &gpio_vbus,
840         &power_supply,
841         &strataflash,
842         &audio,
843 };
844 
845 static struct gpio global_gpios[] = {
846         { GPIO12_HX4700_ASIC3_IRQ, GPIOF_IN, "ASIC3_IRQ" },
847         { GPIO13_HX4700_W3220_IRQ, GPIOF_IN, "W3220_IRQ" },
848         { GPIO14_HX4700_nWLAN_IRQ, GPIOF_IN, "WLAN_IRQ" },
849         { GPIO59_HX4700_LCD_PC1,          GPIOF_OUT_INIT_HIGH, "LCD_PC1" },
850         { GPIO62_HX4700_LCD_nRESET,       GPIOF_OUT_INIT_HIGH, "LCD_RESET" },
851         { GPIO70_HX4700_LCD_SLIN1,        GPIOF_OUT_INIT_HIGH, "LCD_SLIN1" },
852         { GPIO84_HX4700_LCD_SQN,          GPIOF_OUT_INIT_HIGH, "LCD_SQN" },
853         { GPIO110_HX4700_LCD_LVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_LVDD" },
854         { GPIO111_HX4700_LCD_AVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_AVDD" },
855         { GPIO32_HX4700_RS232_ON,         GPIOF_OUT_INIT_HIGH, "RS232_ON" },
856         { GPIO61_HX4700_W3220_nRESET,     GPIOF_OUT_INIT_HIGH, "W3220_nRESET" },
857         { GPIO71_HX4700_ASIC3_nRESET,     GPIOF_OUT_INIT_HIGH, "ASIC3_nRESET" },
858         { GPIO81_HX4700_CPU_GP_nRESET,    GPIOF_OUT_INIT_HIGH, "CPU_GP_nRESET" },
859         { GPIO82_HX4700_EUART_RESET,      GPIOF_OUT_INIT_HIGH, "EUART_RESET" },
860         { GPIO116_HX4700_CPU_HW_nRESET,   GPIOF_OUT_INIT_HIGH, "CPU_HW_nRESET" },
861 };
862 
863 static void __init hx4700_init(void)
864 {
865         int ret;
866 
867         PCFR = PCFR_GPR_EN | PCFR_OPDE;
868 
869         pxa2xx_mfp_config(ARRAY_AND_SIZE(hx4700_pin_config));
870         gpio_set_wake(GPIO12_HX4700_ASIC3_IRQ, 1);
871         ret = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
872         if (ret)
873                 pr_err ("hx4700: Failed to request GPIOs.\n");
874 
875         pxa_set_ffuart_info(NULL);
876         pxa_set_btuart_info(NULL);
877         pxa_set_stuart_info(NULL);
878 
879         platform_add_devices(devices, ARRAY_SIZE(devices));
880         pwm_add_table(hx4700_pwm_lookup, ARRAY_SIZE(hx4700_pwm_lookup));
881 
882         pxa_set_ficp_info(&ficp_info);
883         pxa27x_set_i2c_power_info(NULL);
884         pxa_set_i2c_info(NULL);
885         i2c_register_board_info(0, ARRAY_AND_SIZE(i2c_board_info));
886         i2c_register_board_info(1, ARRAY_AND_SIZE(pi2c_board_info));
887         pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
888         spi_register_board_info(ARRAY_AND_SIZE(tsc2046_board_info));
889 
890         gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 0);
891         mdelay(10);
892         gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 1);
893         mdelay(10);
894 }
895 
896 MACHINE_START(H4700, "HP iPAQ HX4700")
897         .atag_offset  = 0x100,
898         .map_io       = pxa27x_map_io,
899         .nr_irqs      = HX4700_NR_IRQS,
900         .init_irq     = pxa27x_init_irq,
901         .handle_irq     = pxa27x_handle_irq,
902         .init_machine = hx4700_init,
903         .init_time      = pxa_timer_init,
904         .restart        = pxa_restart,
905 MACHINE_END
906 

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