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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_backlight.h>
32#include <linux/regulator/driver.h>
33#include <linux/regulator/gpio-regulator.h>
34#include <linux/regulator/machine.h>
35#include <linux/regulator/max1586.h>
36#include <linux/spi/ads7846.h>
37#include <linux/spi/spi.h>
38#include <linux/spi/pxa2xx_spi.h>
39#include <linux/usb/gpio_vbus.h>
40#include <linux/i2c/pxa-i2c.h>
41
42#include <mach/hardware.h>
43#include <asm/mach-types.h>
44#include <asm/mach/arch.h>
45
46#include <mach/pxa27x.h>
47#include <mach/hx4700.h>
48#include <mach/irda.h>
49
50#include <sound/ak4641.h>
51#include <video/platform_lcd.h>
52#include <video/w100fb.h>
53
54#include "devices.h"
55#include "generic.h"
56
57/* Physical address space information */
58
59#define ATI_W3220_PHYS PXA_CS2_PHYS /* ATI Imageon 3220 Graphics */
60#define ASIC3_PHYS PXA_CS3_PHYS
61#define ASIC3_SD_PHYS (PXA_CS3_PHYS + 0x02000000)
62
63static unsigned long hx4700_pin_config[] __initdata = {
64
65 /* SDRAM and Static Memory I/O Signals */
66 GPIO20_nSDCS_2,
67 GPIO21_nSDCS_3,
68 GPIO15_nCS_1,
69 GPIO78_nCS_2, /* W3220 */
70 GPIO79_nCS_3, /* ASIC3 */
71 GPIO80_nCS_4,
72 GPIO33_nCS_5, /* EGPIO, WLAN */
73
74 /* PC CARD */
75 GPIO48_nPOE,
76 GPIO49_nPWE,
77 GPIO50_nPIOR,
78 GPIO51_nPIOW,
79 GPIO54_nPCE_2,
80 GPIO55_nPREG,
81 GPIO56_nPWAIT,
82 GPIO57_nIOIS16,
83 GPIO85_nPCE_1,
84 GPIO104_PSKTSEL,
85
86 /* I2C */
87 GPIO117_I2C_SCL,
88 GPIO118_I2C_SDA,
89
90 /* FFUART (RS-232) */
91 GPIO34_FFUART_RXD,
92 GPIO35_FFUART_CTS,
93 GPIO36_FFUART_DCD,
94 GPIO37_FFUART_DSR,
95 GPIO38_FFUART_RI,
96 GPIO39_FFUART_TXD,
97 GPIO40_FFUART_DTR,
98 GPIO41_FFUART_RTS,
99
100 /* BTUART */
101 GPIO42_BTUART_RXD,
102 GPIO43_BTUART_TXD_LPM_LOW,
103 GPIO44_BTUART_CTS,
104 GPIO45_BTUART_RTS_LPM_LOW,
105
106 /* STUART (IRDA) */
107 GPIO46_STUART_RXD,
108 GPIO47_STUART_TXD,
109
110 /* PWM 1 (Backlight) */
111 GPIO17_PWM1_OUT,
112
113 /* I2S */
114 GPIO28_I2S_BITCLK_OUT,
115 GPIO29_I2S_SDATA_IN,
116 GPIO30_I2S_SDATA_OUT,
117 GPIO31_I2S_SYNC,
118 GPIO113_I2S_SYSCLK,
119
120 /* SSP 1 (NavPoint) */
121 GPIO23_SSP1_SCLK_IN,
122 GPIO24_SSP1_SFRM,
123 GPIO25_SSP1_TXD,
124 GPIO26_SSP1_RXD,
125
126 /* SSP 2 (TSC2046) */
127 GPIO19_SSP2_SCLK,
128 GPIO86_SSP2_RXD,
129 GPIO87_SSP2_TXD,
130 GPIO88_GPIO | MFP_LPM_DRIVE_HIGH, /* TSC2046_CS */
131
132 /* BQ24022 Regulator */
133 GPIO72_GPIO | MFP_LPM_KEEP_OUTPUT, /* BQ24022_nCHARGE_EN */
134 GPIO96_GPIO | MFP_LPM_KEEP_OUTPUT, /* BQ24022_ISET2 */
135
136 /* HX4700 specific input GPIOs */
137 GPIO12_GPIO | WAKEUP_ON_EDGE_RISE, /* ASIC3_IRQ */
138 GPIO13_GPIO, /* W3220_IRQ */
139 GPIO14_GPIO, /* nWLAN_IRQ */
140
141 /* HX4700 specific output GPIOs */
142 GPIO61_GPIO | MFP_LPM_DRIVE_HIGH, /* W3220_nRESET */
143 GPIO71_GPIO | MFP_LPM_DRIVE_HIGH, /* ASIC3_nRESET */
144 GPIO81_GPIO | MFP_LPM_DRIVE_HIGH, /* CPU_GP_nRESET */
145 GPIO116_GPIO | MFP_LPM_DRIVE_HIGH, /* CPU_HW_nRESET */
146 GPIO102_GPIO | MFP_LPM_DRIVE_LOW, /* SYNAPTICS_POWER_ON */
147
148 GPIO10_GPIO, /* GSM_IRQ */
149 GPIO13_GPIO, /* CPLD_IRQ */
150 GPIO107_GPIO, /* DS1WM_IRQ */
151 GPIO108_GPIO, /* GSM_READY */
152 GPIO58_GPIO, /* TSC2046_nPENIRQ */
153 GPIO66_GPIO, /* nSDIO_IRQ */
154};
155
156/*
157 * IRDA
158 */
159
160static struct pxaficp_platform_data ficp_info = {
161 .gpio_pwdown = GPIO105_HX4700_nIR_ON,
162 .transceiver_cap = IR_SIRMODE | IR_OFF,
163};
164
165/*
166 * GPIO Keys
167 */
168
169#define INIT_KEY(_code, _gpio, _active_low, _desc) \
170 { \
171 .code = KEY_##_code, \
172 .gpio = _gpio, \
173 .active_low = _active_low, \
174 .desc = _desc, \
175 .type = EV_KEY, \
176 .wakeup = 1, \
177 }
178
179static struct gpio_keys_button gpio_keys_buttons[] = {
180 INIT_KEY(POWER, GPIO0_HX4700_nKEY_POWER, 1, "Power button"),
181 INIT_KEY(MAIL, GPIO94_HX4700_KEY_MAIL, 0, "Mail button"),
182 INIT_KEY(ADDRESSBOOK, GPIO99_HX4700_KEY_CONTACTS,0, "Contacts button"),
183 INIT_KEY(RECORD, GPIOD6_nKEY_RECORD, 1, "Record button"),
184 INIT_KEY(CALENDAR, GPIOD1_nKEY_CALENDAR, 1, "Calendar button"),
185 INIT_KEY(HOMEPAGE, GPIOD3_nKEY_HOME, 1, "Home button"),
186};
187
188static struct gpio_keys_platform_data gpio_keys_data = {
189 .buttons = gpio_keys_buttons,
190 .nbuttons = ARRAY_SIZE(gpio_keys_buttons),
191};
192
193static struct platform_device gpio_keys = {
194 .name = "gpio-keys",
195 .dev = {
196 .platform_data = &gpio_keys_data,
197 },
198 .id = -1,
199};
200
201/*
202 * Synaptics NavPoint connected to SSP1
203 */
204
205static struct navpoint_platform_data navpoint_platform_data = {
206 .port = 1,
207 .gpio = GPIO102_HX4700_SYNAPTICS_POWER_ON,
208};
209
210static struct platform_device navpoint = {
211 .name = "navpoint",
212 .id = -1,
213 .dev = {
214 .platform_data = &navpoint_platform_data,
215 },
216};
217
218/*
219 * ASIC3
220 */
221
222static u16 asic3_gpio_config[] = {
223 /* ASIC3 GPIO banks A and B along with some of C and D
224 implement the buffering for the CF slot. */
225 ASIC3_CONFIG_GPIO(0, 1, 1, 0),
226 ASIC3_CONFIG_GPIO(1, 1, 1, 0),
227 ASIC3_CONFIG_GPIO(2, 1, 1, 0),
228 ASIC3_CONFIG_GPIO(3, 1, 1, 0),
229 ASIC3_CONFIG_GPIO(4, 1, 1, 0),
230 ASIC3_CONFIG_GPIO(5, 1, 1, 0),
231 ASIC3_CONFIG_GPIO(6, 1, 1, 0),
232 ASIC3_CONFIG_GPIO(7, 1, 1, 0),
233 ASIC3_CONFIG_GPIO(8, 1, 1, 0),
234 ASIC3_CONFIG_GPIO(9, 1, 1, 0),
235 ASIC3_CONFIG_GPIO(10, 1, 1, 0),
236 ASIC3_CONFIG_GPIO(11, 1, 1, 0),
237 ASIC3_CONFIG_GPIO(12, 1, 1, 0),
238 ASIC3_CONFIG_GPIO(13, 1, 1, 0),
239 ASIC3_CONFIG_GPIO(14, 1, 1, 0),
240 ASIC3_CONFIG_GPIO(15, 1, 1, 0),
241
242 ASIC3_CONFIG_GPIO(16, 1, 1, 0),
243 ASIC3_CONFIG_GPIO(17, 1, 1, 0),
244 ASIC3_CONFIG_GPIO(18, 1, 1, 0),
245 ASIC3_CONFIG_GPIO(19, 1, 1, 0),
246 ASIC3_CONFIG_GPIO(20, 1, 1, 0),
247 ASIC3_CONFIG_GPIO(21, 1, 1, 0),
248 ASIC3_CONFIG_GPIO(22, 1, 1, 0),
249 ASIC3_CONFIG_GPIO(23, 1, 1, 0),
250 ASIC3_CONFIG_GPIO(24, 1, 1, 0),
251 ASIC3_CONFIG_GPIO(25, 1, 1, 0),
252 ASIC3_CONFIG_GPIO(26, 1, 1, 0),
253 ASIC3_CONFIG_GPIO(27, 1, 1, 0),
254 ASIC3_CONFIG_GPIO(28, 1, 1, 0),
255 ASIC3_CONFIG_GPIO(29, 1, 1, 0),
256 ASIC3_CONFIG_GPIO(30, 1, 1, 0),
257 ASIC3_CONFIG_GPIO(31, 1, 1, 0),
258
259 /* GPIOC - CF, LEDs, SD */
260 ASIC3_GPIOC0_LED0, /* red */
261 ASIC3_GPIOC1_LED1, /* green */
262 ASIC3_GPIOC2_LED2, /* blue */
263 ASIC3_GPIOC5_nCIOW,
264 ASIC3_GPIOC6_nCIOR,
265 ASIC3_GPIOC7_nPCE_1,
266 ASIC3_GPIOC8_nPCE_2,
267 ASIC3_GPIOC9_nPOE,
268 ASIC3_GPIOC10_nPWE,
269 ASIC3_GPIOC11_PSKTSEL,
270 ASIC3_GPIOC12_nPREG,
271 ASIC3_GPIOC13_nPWAIT,
272 ASIC3_GPIOC14_nPIOIS16,
273 ASIC3_GPIOC15_nPIOR,
274
275 /* GPIOD: input GPIOs, CF */
276 ASIC3_GPIOD4_CF_nCD,
277 ASIC3_GPIOD11_nCIOIS16,
278 ASIC3_GPIOD12_nCWAIT,
279 ASIC3_GPIOD15_nPIOW,
280};
281
282static struct asic3_led asic3_leds[ASIC3_NUM_LEDS] = {
283 [0] = {
284 .name = "hx4700:amber",
285 .default_trigger = "ds2760-battery.0-charging-blink-full-solid",
286 },
287 [1] = {
288 .name = "hx4700:green",
289 .default_trigger = "unused",
290 },
291 [2] = {
292 .name = "hx4700:blue",
293 .default_trigger = "hx4700-radio",
294 },
295};
296
297static struct resource asic3_resources[] = {
298 /* GPIO part */
299 [0] = {
300 .start = ASIC3_PHYS,
301 .end = ASIC3_PHYS + ASIC3_MAP_SIZE_16BIT - 1,
302 .flags = IORESOURCE_MEM,
303 },
304 [1] = {
305 .start = PXA_GPIO_TO_IRQ(GPIO12_HX4700_ASIC3_IRQ),
306 .end = PXA_GPIO_TO_IRQ(GPIO12_HX4700_ASIC3_IRQ),
307 .flags = IORESOURCE_IRQ,
308 },
309 /* SD part */
310 [2] = {
311 .start = ASIC3_SD_PHYS,
312 .end = ASIC3_SD_PHYS + ASIC3_MAP_SIZE_16BIT - 1,
313 .flags = IORESOURCE_MEM,
314 },
315 [3] = {
316 .start = PXA_GPIO_TO_IRQ(GPIO66_HX4700_ASIC3_nSDIO_IRQ),
317 .end = PXA_GPIO_TO_IRQ(GPIO66_HX4700_ASIC3_nSDIO_IRQ),
318 .flags = IORESOURCE_IRQ,
319 },
320};
321
322static struct asic3_platform_data asic3_platform_data = {
323 .gpio_config = asic3_gpio_config,
324 .gpio_config_num = ARRAY_SIZE(asic3_gpio_config),
325 .irq_base = IRQ_BOARD_START,
326 .gpio_base = HX4700_ASIC3_GPIO_BASE,
327 .clock_rate = 4000000,
328 .leds = asic3_leds,
329};
330
331static struct platform_device asic3 = {
332 .name = "asic3",
333 .id = -1,
334 .resource = asic3_resources,
335 .num_resources = ARRAY_SIZE(asic3_resources),
336 .dev = {
337 .platform_data = &asic3_platform_data,
338 },
339};
340
341/*
342 * EGPIO
343 */
344
345static struct resource egpio_resources[] = {
346 [0] = {
347 .start = PXA_CS5_PHYS,
348 .end = PXA_CS5_PHYS + 0x4 - 1,
349 .flags = IORESOURCE_MEM,
350 },
351};
352
353static struct htc_egpio_chip egpio_chips[] = {
354 [0] = {
355 .reg_start = 0,
356 .gpio_base = HX4700_EGPIO_BASE,
357 .num_gpios = 8,
358 .direction = HTC_EGPIO_OUTPUT,
359 },
360};
361
362static struct htc_egpio_platform_data egpio_info = {
363 .reg_width = 16,
364 .bus_width = 16,
365 .chip = egpio_chips,
366 .num_chips = ARRAY_SIZE(egpio_chips),
367};
368
369static struct platform_device egpio = {
370 .name = "htc-egpio",
371 .id = -1,
372 .resource = egpio_resources,
373 .num_resources = ARRAY_SIZE(egpio_resources),
374 .dev = {
375 .platform_data = &egpio_info,
376 },
377};
378
379/*
380 * LCD - Sony display connected to ATI Imageon w3220
381 */
382
383static void sony_lcd_init(void)
384{
385 gpio_set_value(GPIO84_HX4700_LCD_SQN, 1);
386 gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
387 gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
388 gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 0);
389 gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
390 mdelay(10);
391 gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
392 gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
393 mdelay(20);
394
395 gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 1);
396 mdelay(5);
397 gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 1);
398
399 /* FIXME: init w3220 registers here */
400
401 mdelay(5);
402 gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 1);
403 mdelay(10);
404 gpio_set_value(GPIO62_HX4700_LCD_nRESET, 1);
405 mdelay(10);
406 gpio_set_value(GPIO59_HX4700_LCD_PC1, 1);
407 mdelay(10);
408 gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 1);
409}
410
411static void sony_lcd_off(void)
412{
413 gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
414 gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
415 mdelay(10);
416 gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 0);
417 mdelay(10);
418 gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
419 mdelay(10);
420 gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
421}
422
423#ifdef CONFIG_PM
424static void w3220_lcd_suspend(struct w100fb_par *wfb)
425{
426 sony_lcd_off();
427}
428
429static void w3220_lcd_resume(struct w100fb_par *wfb)
430{
431 sony_lcd_init();
432}
433#else
434#define w3220_lcd_resume NULL
435#define w3220_lcd_suspend NULL
436#endif
437
438static struct w100_tg_info w3220_tg_info = {
439 .suspend = w3220_lcd_suspend,
440 .resume = w3220_lcd_resume,
441};
442
443/* W3220_VGA QVGA */
444static struct w100_gen_regs w3220_regs = {
445 .lcd_format = 0x00000003,
446 .lcdd_cntl1 = 0x00000000,
447 .lcdd_cntl2 = 0x0003ffff,
448 .genlcd_cntl1 = 0x00abf003, /* 0x00fff003 */
449 .genlcd_cntl2 = 0x00000003,
450 .genlcd_cntl3 = 0x000102aa,
451};
452
453static struct w100_mode w3220_modes[] = {
454{
455 .xres = 480,
456 .yres = 640,
457 .left_margin = 15,
458 .right_margin = 16,
459 .upper_margin = 8,
460 .lower_margin = 7,
461 .crtc_ss = 0x00000000,
462 .crtc_ls = 0xa1ff01f9, /* 0x21ff01f9 */
463 .crtc_gs = 0xc0000000, /* 0x40000000 */
464 .crtc_vpos_gs = 0x0000028f,
465 .crtc_ps1_active = 0x00000000, /* 0x41060010 */
466 .crtc_rev = 0,
467 .crtc_dclk = 0x80000000,
468 .crtc_gclk = 0x040a0104,
469 .crtc_goe = 0,
470 .pll_freq = 95,
471 .pixclk_divider = 4,
472 .pixclk_divider_rotated = 4,
473 .pixclk_src = CLK_SRC_PLL,
474 .sysclk_divider = 0,
475 .sysclk_src = CLK_SRC_PLL,
476},
477{
478 .xres = 240,
479 .yres = 320,
480 .left_margin = 9,
481 .right_margin = 8,
482 .upper_margin = 5,
483 .lower_margin = 4,
484 .crtc_ss = 0x80150014,
485 .crtc_ls = 0xa0fb00f7,
486 .crtc_gs = 0xc0080007,
487 .crtc_vpos_gs = 0x00080007,
488 .crtc_rev = 0x0000000a,
489 .crtc_dclk = 0x81700030,
490 .crtc_gclk = 0x8015010f,
491 .crtc_goe = 0x00000000,
492 .pll_freq = 95,
493 .pixclk_divider = 4,
494 .pixclk_divider_rotated = 4,
495 .pixclk_src = CLK_SRC_PLL,
496 .sysclk_divider = 0,
497 .sysclk_src = CLK_SRC_PLL,
498},
499};
500
501struct w100_mem_info w3220_mem_info = {
502 .ext_cntl = 0x09640011,
503 .sdram_mode_reg = 0x00600021,
504 .ext_timing_cntl = 0x1a001545, /* 0x15001545 */
505 .io_cntl = 0x7ddd7333,
506 .size = 0x1fffff,
507};
508
509struct w100_bm_mem_info w3220_bm_mem_info = {
510 .ext_mem_bw = 0x50413e01,
511 .offset = 0,
512 .ext_timing_ctl = 0x00043f7f,
513 .ext_cntl = 0x00000010,
514 .mode_reg = 0x00250000,
515 .io_cntl = 0x0fff0000,
516 .config = 0x08301480,
517};
518
519static struct w100_gpio_regs w3220_gpio_info = {
520 .init_data1 = 0xdfe00100, /* GPIO_DATA */
521 .gpio_dir1 = 0xffff0000, /* GPIO_CNTL1 */
522 .gpio_oe1 = 0x00000000, /* GPIO_CNTL2 */
523 .init_data2 = 0x00000000, /* GPIO_DATA2 */
524 .gpio_dir2 = 0x00000000, /* GPIO_CNTL3 */
525 .gpio_oe2 = 0x00000000, /* GPIO_CNTL4 */
526};
527
528static struct w100fb_mach_info w3220_info = {
529 .tg = &w3220_tg_info,
530 .mem = &w3220_mem_info,
531 .bm_mem = &w3220_bm_mem_info,
532 .gpio = &w3220_gpio_info,
533 .regs = &w3220_regs,
534 .modelist = w3220_modes,
535 .num_modes = 2,
536 .xtal_freq = 16000000,
537};
538
539static struct resource w3220_resources[] = {
540 [0] = {
541 .start = ATI_W3220_PHYS,
542 .end = ATI_W3220_PHYS + 0x00ffffff,
543 .flags = IORESOURCE_MEM,
544 },
545};
546
547static struct platform_device w3220 = {
548 .name = "w100fb",
549 .id = -1,
550 .dev = {
551 .platform_data = &w3220_info,
552 },
553 .num_resources = ARRAY_SIZE(w3220_resources),
554 .resource = w3220_resources,
555};
556
557static void hx4700_lcd_set_power(struct plat_lcd_data *pd, unsigned int power)
558{
559 if (power)
560 sony_lcd_init();
561 else
562 sony_lcd_off();
563}
564
565static struct plat_lcd_data hx4700_lcd_data = {
566 .set_power = hx4700_lcd_set_power,
567};
568
569static struct platform_device hx4700_lcd = {
570 .name = "platform-lcd",
571 .id = -1,
572 .dev = {
573 .platform_data = &hx4700_lcd_data,
574 .parent = &w3220.dev,
575 },
576};
577
578/*
579 * Backlight
580 */
581
582static struct platform_pwm_backlight_data backlight_data = {
583 .pwm_id = 1,
584 .max_brightness = 200,
585 .dft_brightness = 100,
586 .pwm_period_ns = 30923,
587};
588
589static struct platform_device backlight = {
590 .name = "pwm-backlight",
591 .id = -1,
592 .dev = {
593 .parent = &pxa27x_device_pwm1.dev,
594 .platform_data = &backlight_data,
595 },
596};
597
598/*
599 * USB "Transceiver"
600 */
601
602static struct gpio_vbus_mach_info gpio_vbus_info = {
603 .gpio_pullup = GPIO76_HX4700_USBC_PUEN,
604 .gpio_vbus = GPIOD14_nUSBC_DETECT,
605 .gpio_vbus_inverted = 1,
606};
607
608static struct platform_device gpio_vbus = {
609 .name = "gpio-vbus",
610 .id = -1,
611 .dev = {
612 .platform_data = &gpio_vbus_info,
613 },
614};
615
616/*
617 * Touchscreen - TSC2046 connected to SSP2
618 */
619
620static const struct ads7846_platform_data tsc2046_info = {
621 .model = 7846,
622 .vref_delay_usecs = 100,
623 .pressure_max = 1024,
624 .debounce_max = 10,
625 .debounce_tol = 3,
626 .debounce_rep = 1,
627 .gpio_pendown = GPIO58_HX4700_TSC2046_nPENIRQ,
628};
629
630static struct pxa2xx_spi_chip tsc2046_chip = {
631 .tx_threshold = 1,
632 .rx_threshold = 2,
633 .timeout = 64,
634 .gpio_cs = GPIO88_HX4700_TSC2046_CS,
635};
636
637static struct spi_board_info tsc2046_board_info[] __initdata = {
638 {
639 .modalias = "ads7846",
640 .bus_num = 2,
641 .max_speed_hz = 2600000, /* 100 kHz sample rate */
642 .irq = PXA_GPIO_TO_IRQ(GPIO58_HX4700_TSC2046_nPENIRQ),
643 .platform_data = &tsc2046_info,
644 .controller_data = &tsc2046_chip,
645 },
646};
647
648static struct pxa2xx_spi_master pxa_ssp2_master_info = {
649 .num_chipselect = 1,
650 .clock_enable = CKEN_SSP2,
651 .enable_dma = 1,
652};
653
654/*
655 * External power
656 */
657
658static int power_supply_init(struct device *dev)
659{
660 return gpio_request(GPIOD9_nAC_IN, "AC charger detect");
661}
662
663static int hx4700_is_ac_online(void)
664{
665 return !gpio_get_value(GPIOD9_nAC_IN);
666}
667
668static void power_supply_exit(struct device *dev)
669{
670 gpio_free(GPIOD9_nAC_IN);
671}
672
673static char *hx4700_supplicants[] = {
674 "ds2760-battery.0", "backup-battery"
675};
676
677static struct pda_power_pdata power_supply_info = {
678 .init = power_supply_init,
679 .is_ac_online = hx4700_is_ac_online,
680 .exit = power_supply_exit,
681 .supplied_to = hx4700_supplicants,
682 .num_supplicants = ARRAY_SIZE(hx4700_supplicants),
683};
684
685static struct resource power_supply_resources[] = {
686 [0] = {
687 .name = "ac",
688 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
689 IORESOURCE_IRQ_LOWEDGE,
690 .start = PXA_GPIO_TO_IRQ(GPIOD9_nAC_IN),
691 .end = PXA_GPIO_TO_IRQ(GPIOD9_nAC_IN),
692 },
693 [1] = {
694 .name = "usb",
695 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
696 IORESOURCE_IRQ_LOWEDGE,
697 .start = PXA_GPIO_TO_IRQ(GPIOD14_nUSBC_DETECT),
698 .end = PXA_GPIO_TO_IRQ(GPIOD14_nUSBC_DETECT),
699 },
700};
701
702static struct platform_device power_supply = {
703 .name = "pda-power",
704 .id = -1,
705 .dev = {
706 .platform_data = &power_supply_info,
707 },
708 .resource = power_supply_resources,
709 .num_resources = ARRAY_SIZE(power_supply_resources),
710};
711
712/*
713 * Battery charger
714 */
715
716static struct regulator_consumer_supply bq24022_consumers[] = {
717 REGULATOR_SUPPLY("vbus_draw", NULL),
718 REGULATOR_SUPPLY("ac_draw", NULL),
719};
720
721static struct regulator_init_data bq24022_init_data = {
722 .constraints = {
723 .max_uA = 500000,
724 .valid_ops_mask = REGULATOR_CHANGE_CURRENT|REGULATOR_CHANGE_STATUS,
725 },
726 .num_consumer_supplies = ARRAY_SIZE(bq24022_consumers),
727 .consumer_supplies = bq24022_consumers,
728};
729
730static struct gpio bq24022_gpios[] = {
731 { GPIO96_HX4700_BQ24022_ISET2, GPIOF_OUT_INIT_LOW, "bq24022_iset2" },
732};
733
734static struct gpio_regulator_state bq24022_states[] = {
735 { .value = 100000, .gpios = (0 << 0) },
736 { .value = 500000, .gpios = (1 << 0) },
737};
738
739static struct gpio_regulator_config bq24022_info = {
740 .supply_name = "bq24022",
741
742 .enable_gpio = GPIO72_HX4700_BQ24022_nCHARGE_EN,
743 .enable_high = 0,
744 .enabled_at_boot = 0,
745
746 .gpios = bq24022_gpios,
747 .nr_gpios = ARRAY_SIZE(bq24022_gpios),
748
749 .states = bq24022_states,
750 .nr_states = ARRAY_SIZE(bq24022_states),
751
752 .type = REGULATOR_CURRENT,
753 .init_data = &bq24022_init_data,
754};
755
756static struct platform_device bq24022 = {
757 .name = "gpio-regulator",
758 .id = -1,
759 .dev = {
760 .platform_data = &bq24022_info,
761 },
762};
763
764/*
765 * StrataFlash
766 */
767
768static void hx4700_set_vpp(struct platform_device *pdev, int vpp)
769{
770 gpio_set_value(GPIO91_HX4700_FLASH_VPEN, vpp);
771}
772
773static struct resource strataflash_resource[] = {
774 [0] = DEFINE_RES_MEM(PXA_CS0_PHYS, SZ_64M),
775 [1] = DEFINE_RES_MEM(PXA_CS0_PHYS + SZ_64M, SZ_64M),
776};
777
778static struct physmap_flash_data strataflash_data = {
779 .width = 4,
780 .set_vpp = hx4700_set_vpp,
781};
782
783static struct platform_device strataflash = {
784 .name = "physmap-flash",
785 .id = -1,
786 .resource = strataflash_resource,
787 .num_resources = ARRAY_SIZE(strataflash_resource),
788 .dev = {
789 .platform_data = &strataflash_data,
790 },
791};
792
793/*
794 * Maxim MAX1587A on PI2C
795 */
796
797static struct regulator_consumer_supply max1587a_consumer =
798 REGULATOR_SUPPLY("vcc_core", NULL);
799
800static struct regulator_init_data max1587a_v3_info = {
801 .constraints = {
802 .name = "vcc_core range",
803 .min_uV = 900000,
804 .max_uV = 1705000,
805 .always_on = 1,
806 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
807 },
808 .num_consumer_supplies = 1,
809 .consumer_supplies = &max1587a_consumer,
810};
811
812static struct max1586_subdev_data max1587a_subdev = {
813 .name = "vcc_core",
814 .id = MAX1586_V3,
815 .platform_data = &max1587a_v3_info,
816};
817
818static struct max1586_platform_data max1587a_info = {
819 .num_subdevs = 1,
820 .subdevs = &max1587a_subdev,
821 .v3_gain = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
822};
823
824static struct i2c_board_info __initdata pi2c_board_info[] = {
825 {
826 I2C_BOARD_INFO("max1586", 0x14),
827 .platform_data = &max1587a_info,
828 },
829};
830
831/*
832 * Asahi Kasei AK4641 on I2C
833 */
834
835static struct ak4641_platform_data ak4641_info = {
836 .gpio_power = GPIO27_HX4700_CODEC_ON,
837 .gpio_npdn = GPIO109_HX4700_CODEC_nPDN,
838};
839
840static struct i2c_board_info i2c_board_info[] __initdata = {
841 {
842 I2C_BOARD_INFO("ak4641", 0x12),
843 .platform_data = &ak4641_info,
844 },
845};
846
847static struct platform_device audio = {
848 .name = "hx4700-audio",
849 .id = -1,
850};
851
852
853/*
854 * Platform devices
855 */
856
857static struct platform_device *devices[] __initdata = {
858 &asic3,
859 &gpio_keys,
860 &navpoint,
861 &backlight,
862 &w3220,
863 &hx4700_lcd,
864 &egpio,
865 &bq24022,
866 &gpio_vbus,
867 &power_supply,
868 &strataflash,
869 &audio,
870};
871
872static struct gpio global_gpios[] = {
873 { GPIO12_HX4700_ASIC3_IRQ, GPIOF_IN, "ASIC3_IRQ" },
874 { GPIO13_HX4700_W3220_IRQ, GPIOF_IN, "W3220_IRQ" },
875 { GPIO14_HX4700_nWLAN_IRQ, GPIOF_IN, "WLAN_IRQ" },
876 { GPIO59_HX4700_LCD_PC1, GPIOF_OUT_INIT_HIGH, "LCD_PC1" },
877 { GPIO62_HX4700_LCD_nRESET, GPIOF_OUT_INIT_HIGH, "LCD_RESET" },
878 { GPIO70_HX4700_LCD_SLIN1, GPIOF_OUT_INIT_HIGH, "LCD_SLIN1" },
879 { GPIO84_HX4700_LCD_SQN, GPIOF_OUT_INIT_HIGH, "LCD_SQN" },
880 { GPIO110_HX4700_LCD_LVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_LVDD" },
881 { GPIO111_HX4700_LCD_AVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_AVDD" },
882 { GPIO32_HX4700_RS232_ON, GPIOF_OUT_INIT_HIGH, "RS232_ON" },
883 { GPIO61_HX4700_W3220_nRESET, GPIOF_OUT_INIT_HIGH, "W3220_nRESET" },
884 { GPIO71_HX4700_ASIC3_nRESET, GPIOF_OUT_INIT_HIGH, "ASIC3_nRESET" },
885 { GPIO81_HX4700_CPU_GP_nRESET, GPIOF_OUT_INIT_HIGH, "CPU_GP_nRESET" },
886 { GPIO82_HX4700_EUART_RESET, GPIOF_OUT_INIT_HIGH, "EUART_RESET" },
887 { GPIO116_HX4700_CPU_HW_nRESET, GPIOF_OUT_INIT_HIGH, "CPU_HW_nRESET" },
888};
889
890static void __init hx4700_init(void)
891{
892 int ret;
893
894 PCFR = PCFR_GPR_EN | PCFR_OPDE;
895
896 pxa2xx_mfp_config(ARRAY_AND_SIZE(hx4700_pin_config));
897 gpio_set_wake(GPIO12_HX4700_ASIC3_IRQ, 1);
898 ret = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
899 if (ret)
900 pr_err ("hx4700: Failed to request GPIOs.\n");
901
902 pxa_set_ffuart_info(NULL);
903 pxa_set_btuart_info(NULL);
904 pxa_set_stuart_info(NULL);
905
906 platform_add_devices(devices, ARRAY_SIZE(devices));
907
908 pxa_set_ficp_info(&ficp_info);
909 pxa27x_set_i2c_power_info(NULL);
910 pxa_set_i2c_info(NULL);
911 i2c_register_board_info(0, ARRAY_AND_SIZE(i2c_board_info));
912 i2c_register_board_info(1, ARRAY_AND_SIZE(pi2c_board_info));
913 pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
914 spi_register_board_info(ARRAY_AND_SIZE(tsc2046_board_info));
915
916 gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 0);
917 mdelay(10);
918 gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 1);
919 mdelay(10);
920}
921
922MACHINE_START(H4700, "HP iPAQ HX4700")
923 .atag_offset = 0x100,
924 .map_io = pxa27x_map_io,
925 .nr_irqs = HX4700_NR_IRQS,
926 .init_irq = pxa27x_init_irq,
927 .handle_irq = pxa27x_handle_irq,
928 .init_machine = hx4700_init,
929 .timer = &pxa_timer,
930 .restart = pxa_restart,
931MACHINE_END