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/asic3.h>
28 #include <linux/mtd/physmap.h>
29 #include <linux/pda_power.h>
30 #include <linux/platform_data/gpio-htc-egpio.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/platform_data/i2c-pxa.h>
42
43 #include <mach/hardware.h>
44 #include <asm/mach-types.h>
45 #include <asm/mach/arch.h>
46
47 #include "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 #include "udc.h"
58
59 /* Physical address space information */
60
61 #define ATI_W3220_PHYS PXA_CS2_PHYS /* ATI Imageon 3220 Graphics */
62 #define ASIC3_PHYS PXA_CS3_PHYS
63 #define ASIC3_SD_PHYS (PXA_CS3_PHYS + 0x02000000)
64
65 static unsigned long hx4700_pin_config[] __initdata = {
66
67 /* SDRAM and Static Memory I/O Signals */
68 GPIO20_nSDCS_2,
69 GPIO21_nSDCS_3,
70 GPIO15_nCS_1,
71 GPIO78_nCS_2, /* W3220 */
72 GPIO79_nCS_3, /* ASIC3 */
73 GPIO80_nCS_4,
74 GPIO33_nCS_5, /* EGPIO, WLAN */
75
76 /* PC CARD */
77 GPIO48_nPOE,
78 GPIO49_nPWE,
79 GPIO50_nPIOR,
80 GPIO51_nPIOW,
81 GPIO54_nPCE_2,
82 GPIO55_nPREG,
83 GPIO56_nPWAIT,
84 GPIO57_nIOIS16,
85 GPIO85_nPCE_1,
86 GPIO104_PSKTSEL,
87
88 /* I2C */
89 GPIO117_I2C_SCL,
90 GPIO118_I2C_SDA,
91
92 /* FFUART (RS-232) */
93 GPIO34_FFUART_RXD,
94 GPIO35_FFUART_CTS,
95 GPIO36_FFUART_DCD,
96 GPIO37_FFUART_DSR,
97 GPIO38_FFUART_RI,
98 GPIO39_FFUART_TXD,
99 GPIO40_FFUART_DTR,
100 GPIO41_FFUART_RTS,
101
102 /* BTUART */
103 GPIO42_BTUART_RXD,
104 GPIO43_BTUART_TXD_LPM_LOW,
105 GPIO44_BTUART_CTS,
106 GPIO45_BTUART_RTS_LPM_LOW,
107
108 /* STUART (IRDA) */
109 GPIO46_STUART_RXD,
110 GPIO47_STUART_TXD,
111
112 /* PWM 1 (Backlight) */
113 GPIO17_PWM1_OUT,
114
115 /* I2S */
116 GPIO28_I2S_BITCLK_OUT,
117 GPIO29_I2S_SDATA_IN,
118 GPIO30_I2S_SDATA_OUT,
119 GPIO31_I2S_SYNC,
120 GPIO113_I2S_SYSCLK,
121
122 /* SSP 1 (NavPoint) */
123 GPIO23_SSP1_SCLK_IN,
124 GPIO24_SSP1_SFRM,
125 GPIO25_SSP1_TXD,
126 GPIO26_SSP1_RXD,
127
128 /* SSP 2 (TSC2046) */
129 GPIO19_SSP2_SCLK,
130 GPIO86_SSP2_RXD,
131 GPIO87_SSP2_TXD,
132 GPIO88_GPIO | MFP_LPM_DRIVE_HIGH, /* TSC2046_CS */
133
134 /* BQ24022 Regulator */
135 GPIO72_GPIO | MFP_LPM_KEEP_OUTPUT, /* BQ24022_nCHARGE_EN */
136 GPIO96_GPIO | MFP_LPM_KEEP_OUTPUT, /* BQ24022_ISET2 */
137
138 /* HX4700 specific input GPIOs */
139 GPIO12_GPIO | WAKEUP_ON_EDGE_RISE, /* ASIC3_IRQ */
140 GPIO13_GPIO, /* W3220_IRQ */
141 GPIO14_GPIO, /* nWLAN_IRQ */
142
143 /* HX4700 specific output GPIOs */
144 GPIO61_GPIO | MFP_LPM_DRIVE_HIGH, /* W3220_nRESET */
145 GPIO71_GPIO | MFP_LPM_DRIVE_HIGH, /* ASIC3_nRESET */
146 GPIO81_GPIO | MFP_LPM_DRIVE_HIGH, /* CPU_GP_nRESET */
147 GPIO116_GPIO | MFP_LPM_DRIVE_HIGH, /* CPU_HW_nRESET */
148 GPIO102_GPIO | MFP_LPM_DRIVE_LOW, /* SYNAPTICS_POWER_ON */
149
150 GPIO10_GPIO, /* GSM_IRQ */
151 GPIO13_GPIO, /* CPLD_IRQ */
152 GPIO107_GPIO, /* DS1WM_IRQ */
153 GPIO108_GPIO, /* GSM_READY */
154 GPIO58_GPIO, /* TSC2046_nPENIRQ */
155 GPIO66_GPIO, /* nSDIO_IRQ */
156 };
157
158 /*
159 * IRDA
160 */
161
162 static struct pxaficp_platform_data ficp_info = {
163 .gpio_pwdown = GPIO105_HX4700_nIR_ON,
164 .transceiver_cap = IR_SIRMODE | IR_OFF,
165 };
166
167 /*
168 * GPIO Keys
169 */
170
171 #define INIT_KEY(_code, _gpio, _active_low, _desc) \
172 { \
173 .code = KEY_##_code, \
174 .gpio = _gpio, \
175 .active_low = _active_low, \
176 .desc = _desc, \
177 .type = EV_KEY, \
178 .wakeup = 1, \
179 }
180
181 static struct gpio_keys_button gpio_keys_buttons[] = {
182 INIT_KEY(POWER, GPIO0_HX4700_nKEY_POWER, 1, "Power button"),
183 INIT_KEY(MAIL, GPIO94_HX4700_KEY_MAIL, 0, "Mail button"),
184 INIT_KEY(ADDRESSBOOK, GPIO99_HX4700_KEY_CONTACTS,0, "Contacts button"),
185 INIT_KEY(RECORD, GPIOD6_nKEY_RECORD, 1, "Record button"),
186 INIT_KEY(CALENDAR, GPIOD1_nKEY_CALENDAR, 1, "Calendar button"),
187 INIT_KEY(HOMEPAGE, GPIOD3_nKEY_HOME, 1, "Home button"),
188 };
189
190 static struct gpio_keys_platform_data gpio_keys_data = {
191 .buttons = gpio_keys_buttons,
192 .nbuttons = ARRAY_SIZE(gpio_keys_buttons),
193 };
194
195 static struct platform_device gpio_keys = {
196 .name = "gpio-keys",
197 .dev = {
198 .platform_data = &gpio_keys_data,
199 },
200 .id = -1,
201 };
202
203 /*
204 * Synaptics NavPoint connected to SSP1
205 */
206
207 static struct navpoint_platform_data navpoint_platform_data = {
208 .port = 1,
209 .gpio = GPIO102_HX4700_SYNAPTICS_POWER_ON,
210 };
211
212 static struct platform_device navpoint = {
213 .name = "navpoint",
214 .id = -1,
215 .dev = {
216 .platform_data = &navpoint_platform_data,
217 },
218 };
219
220 /*
221 * ASIC3
222 */
223
224 static u16 asic3_gpio_config[] = {
225 /* ASIC3 GPIO banks A and B along with some of C and D
226 implement the buffering for the CF slot. */
227 ASIC3_CONFIG_GPIO(0, 1, 1, 0),
228 ASIC3_CONFIG_GPIO(1, 1, 1, 0),
229 ASIC3_CONFIG_GPIO(2, 1, 1, 0),
230 ASIC3_CONFIG_GPIO(3, 1, 1, 0),
231 ASIC3_CONFIG_GPIO(4, 1, 1, 0),
232 ASIC3_CONFIG_GPIO(5, 1, 1, 0),
233 ASIC3_CONFIG_GPIO(6, 1, 1, 0),
234 ASIC3_CONFIG_GPIO(7, 1, 1, 0),
235 ASIC3_CONFIG_GPIO(8, 1, 1, 0),
236 ASIC3_CONFIG_GPIO(9, 1, 1, 0),
237 ASIC3_CONFIG_GPIO(10, 1, 1, 0),
238 ASIC3_CONFIG_GPIO(11, 1, 1, 0),
239 ASIC3_CONFIG_GPIO(12, 1, 1, 0),
240 ASIC3_CONFIG_GPIO(13, 1, 1, 0),
241 ASIC3_CONFIG_GPIO(14, 1, 1, 0),
242 ASIC3_CONFIG_GPIO(15, 1, 1, 0),
243
244 ASIC3_CONFIG_GPIO(16, 1, 1, 0),
245 ASIC3_CONFIG_GPIO(17, 1, 1, 0),
246 ASIC3_CONFIG_GPIO(18, 1, 1, 0),
247 ASIC3_CONFIG_GPIO(19, 1, 1, 0),
248 ASIC3_CONFIG_GPIO(20, 1, 1, 0),
249 ASIC3_CONFIG_GPIO(21, 1, 1, 0),
250 ASIC3_CONFIG_GPIO(22, 1, 1, 0),
251 ASIC3_CONFIG_GPIO(23, 1, 1, 0),
252 ASIC3_CONFIG_GPIO(24, 1, 1, 0),
253 ASIC3_CONFIG_GPIO(25, 1, 1, 0),
254 ASIC3_CONFIG_GPIO(26, 1, 1, 0),
255 ASIC3_CONFIG_GPIO(27, 1, 1, 0),
256 ASIC3_CONFIG_GPIO(28, 1, 1, 0),
257 ASIC3_CONFIG_GPIO(29, 1, 1, 0),
258 ASIC3_CONFIG_GPIO(30, 1, 1, 0),
259 ASIC3_CONFIG_GPIO(31, 1, 1, 0),
260
261 /* GPIOC - CF, LEDs, SD */
262 ASIC3_GPIOC0_LED0, /* red */
263 ASIC3_GPIOC1_LED1, /* green */
264 ASIC3_GPIOC2_LED2, /* blue */
265 ASIC3_GPIOC5_nCIOW,
266 ASIC3_GPIOC6_nCIOR,
267 ASIC3_GPIOC7_nPCE_1,
268 ASIC3_GPIOC8_nPCE_2,
269 ASIC3_GPIOC9_nPOE,
270 ASIC3_GPIOC10_nPWE,
271 ASIC3_GPIOC11_PSKTSEL,
272 ASIC3_GPIOC12_nPREG,
273 ASIC3_GPIOC13_nPWAIT,
274 ASIC3_GPIOC14_nPIOIS16,
275 ASIC3_GPIOC15_nPIOR,
276
277 /* GPIOD: input GPIOs, CF */
278 ASIC3_GPIOD4_CF_nCD,
279 ASIC3_GPIOD11_nCIOIS16,
280 ASIC3_GPIOD12_nCWAIT,
281 ASIC3_GPIOD15_nPIOW,
282 };
283
284 static struct asic3_led asic3_leds[ASIC3_NUM_LEDS] = {
285 [0] = {
286 .name = "hx4700:amber",
287 .default_trigger = "ds2760-battery.0-charging-blink-full-solid",
288 },
289 [1] = {
290 .name = "hx4700:green",
291 .default_trigger = "unused",
292 },
293 [2] = {
294 .name = "hx4700:blue",
295 .default_trigger = "hx4700-radio",
296 },
297 };
298
299 static struct resource asic3_resources[] = {
300 /* GPIO part */
301 [0] = DEFINE_RES_MEM(ASIC3_PHYS, ASIC3_MAP_SIZE_16BIT),
302 [1] = DEFINE_RES_IRQ(PXA_GPIO_TO_IRQ(GPIO12_HX4700_ASIC3_IRQ)),
303 /* SD part */
304 [2] = DEFINE_RES_MEM(ASIC3_SD_PHYS, ASIC3_MAP_SIZE_16BIT),
305 [3] = DEFINE_RES_IRQ(PXA_GPIO_TO_IRQ(GPIO66_HX4700_ASIC3_nSDIO_IRQ)),
306 };
307
308 static struct asic3_platform_data asic3_platform_data = {
309 .gpio_config = asic3_gpio_config,
310 .gpio_config_num = ARRAY_SIZE(asic3_gpio_config),
311 .irq_base = IRQ_BOARD_START,
312 .gpio_base = HX4700_ASIC3_GPIO_BASE,
313 .clock_rate = 4000000,
314 .leds = asic3_leds,
315 };
316
317 static struct platform_device asic3 = {
318 .name = "asic3",
319 .id = -1,
320 .resource = asic3_resources,
321 .num_resources = ARRAY_SIZE(asic3_resources),
322 .dev = {
323 .platform_data = &asic3_platform_data,
324 },
325 };
326
327 /*
328 * EGPIO
329 */
330
331 static struct resource egpio_resources[] = {
332 [0] = DEFINE_RES_MEM(PXA_CS5_PHYS, 0x4),
333 };
334
335 static struct htc_egpio_chip egpio_chips[] = {
336 [0] = {
337 .reg_start = 0,
338 .gpio_base = HX4700_EGPIO_BASE,
339 .num_gpios = 8,
340 .direction = HTC_EGPIO_OUTPUT,
341 },
342 };
343
344 static struct htc_egpio_platform_data egpio_info = {
345 .reg_width = 16,
346 .bus_width = 16,
347 .chip = egpio_chips,
348 .num_chips = ARRAY_SIZE(egpio_chips),
349 };
350
351 static struct platform_device egpio = {
352 .name = "htc-egpio",
353 .id = -1,
354 .resource = egpio_resources,
355 .num_resources = ARRAY_SIZE(egpio_resources),
356 .dev = {
357 .platform_data = &egpio_info,
358 },
359 };
360
361 /*
362 * LCD - Sony display connected to ATI Imageon w3220
363 */
364
sony_lcd_init(void)365 static void sony_lcd_init(void)
366 {
367 gpio_set_value(GPIO84_HX4700_LCD_SQN, 1);
368 gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
369 gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
370 gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 0);
371 gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
372 mdelay(10);
373 gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
374 gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
375 mdelay(20);
376
377 gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 1);
378 mdelay(5);
379 gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 1);
380
381 /* FIXME: init w3220 registers here */
382
383 mdelay(5);
384 gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 1);
385 mdelay(10);
386 gpio_set_value(GPIO62_HX4700_LCD_nRESET, 1);
387 mdelay(10);
388 gpio_set_value(GPIO59_HX4700_LCD_PC1, 1);
389 mdelay(10);
390 gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 1);
391 }
392
sony_lcd_off(void)393 static void sony_lcd_off(void)
394 {
395 gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
396 gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
397 mdelay(10);
398 gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 0);
399 mdelay(10);
400 gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
401 mdelay(10);
402 gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
403 }
404
405 #ifdef CONFIG_PM
w3220_lcd_suspend(struct w100fb_par * wfb)406 static void w3220_lcd_suspend(struct w100fb_par *wfb)
407 {
408 sony_lcd_off();
409 }
410
w3220_lcd_resume(struct w100fb_par * wfb)411 static void w3220_lcd_resume(struct w100fb_par *wfb)
412 {
413 sony_lcd_init();
414 }
415 #else
416 #define w3220_lcd_resume NULL
417 #define w3220_lcd_suspend NULL
418 #endif
419
420 static struct w100_tg_info w3220_tg_info = {
421 .suspend = w3220_lcd_suspend,
422 .resume = w3220_lcd_resume,
423 };
424
425 /* W3220_VGA QVGA */
426 static struct w100_gen_regs w3220_regs = {
427 .lcd_format = 0x00000003,
428 .lcdd_cntl1 = 0x00000000,
429 .lcdd_cntl2 = 0x0003ffff,
430 .genlcd_cntl1 = 0x00abf003, /* 0x00fff003 */
431 .genlcd_cntl2 = 0x00000003,
432 .genlcd_cntl3 = 0x000102aa,
433 };
434
435 static struct w100_mode w3220_modes[] = {
436 {
437 .xres = 480,
438 .yres = 640,
439 .left_margin = 15,
440 .right_margin = 16,
441 .upper_margin = 8,
442 .lower_margin = 7,
443 .crtc_ss = 0x00000000,
444 .crtc_ls = 0xa1ff01f9, /* 0x21ff01f9 */
445 .crtc_gs = 0xc0000000, /* 0x40000000 */
446 .crtc_vpos_gs = 0x0000028f,
447 .crtc_ps1_active = 0x00000000, /* 0x41060010 */
448 .crtc_rev = 0,
449 .crtc_dclk = 0x80000000,
450 .crtc_gclk = 0x040a0104,
451 .crtc_goe = 0,
452 .pll_freq = 95,
453 .pixclk_divider = 4,
454 .pixclk_divider_rotated = 4,
455 .pixclk_src = CLK_SRC_PLL,
456 .sysclk_divider = 0,
457 .sysclk_src = CLK_SRC_PLL,
458 },
459 {
460 .xres = 240,
461 .yres = 320,
462 .left_margin = 9,
463 .right_margin = 8,
464 .upper_margin = 5,
465 .lower_margin = 4,
466 .crtc_ss = 0x80150014,
467 .crtc_ls = 0xa0fb00f7,
468 .crtc_gs = 0xc0080007,
469 .crtc_vpos_gs = 0x00080007,
470 .crtc_rev = 0x0000000a,
471 .crtc_dclk = 0x81700030,
472 .crtc_gclk = 0x8015010f,
473 .crtc_goe = 0x00000000,
474 .pll_freq = 95,
475 .pixclk_divider = 4,
476 .pixclk_divider_rotated = 4,
477 .pixclk_src = CLK_SRC_PLL,
478 .sysclk_divider = 0,
479 .sysclk_src = CLK_SRC_PLL,
480 },
481 };
482
483 struct w100_mem_info w3220_mem_info = {
484 .ext_cntl = 0x09640011,
485 .sdram_mode_reg = 0x00600021,
486 .ext_timing_cntl = 0x1a001545, /* 0x15001545 */
487 .io_cntl = 0x7ddd7333,
488 .size = 0x1fffff,
489 };
490
491 struct w100_bm_mem_info w3220_bm_mem_info = {
492 .ext_mem_bw = 0x50413e01,
493 .offset = 0,
494 .ext_timing_ctl = 0x00043f7f,
495 .ext_cntl = 0x00000010,
496 .mode_reg = 0x00250000,
497 .io_cntl = 0x0fff0000,
498 .config = 0x08301480,
499 };
500
501 static struct w100_gpio_regs w3220_gpio_info = {
502 .init_data1 = 0xdfe00100, /* GPIO_DATA */
503 .gpio_dir1 = 0xffff0000, /* GPIO_CNTL1 */
504 .gpio_oe1 = 0x00000000, /* GPIO_CNTL2 */
505 .init_data2 = 0x00000000, /* GPIO_DATA2 */
506 .gpio_dir2 = 0x00000000, /* GPIO_CNTL3 */
507 .gpio_oe2 = 0x00000000, /* GPIO_CNTL4 */
508 };
509
510 static struct w100fb_mach_info w3220_info = {
511 .tg = &w3220_tg_info,
512 .mem = &w3220_mem_info,
513 .bm_mem = &w3220_bm_mem_info,
514 .gpio = &w3220_gpio_info,
515 .regs = &w3220_regs,
516 .modelist = w3220_modes,
517 .num_modes = 2,
518 .xtal_freq = 16000000,
519 };
520
521 static struct resource w3220_resources[] = {
522 [0] = DEFINE_RES_MEM(ATI_W3220_PHYS, SZ_16M),
523 };
524
525 static struct platform_device w3220 = {
526 .name = "w100fb",
527 .id = -1,
528 .dev = {
529 .platform_data = &w3220_info,
530 },
531 .num_resources = ARRAY_SIZE(w3220_resources),
532 .resource = w3220_resources,
533 };
534
hx4700_lcd_set_power(struct plat_lcd_data * pd,unsigned int power)535 static void hx4700_lcd_set_power(struct plat_lcd_data *pd, unsigned int power)
536 {
537 if (power)
538 sony_lcd_init();
539 else
540 sony_lcd_off();
541 }
542
543 static struct plat_lcd_data hx4700_lcd_data = {
544 .set_power = hx4700_lcd_set_power,
545 };
546
547 static struct platform_device hx4700_lcd = {
548 .name = "platform-lcd",
549 .id = -1,
550 .dev = {
551 .platform_data = &hx4700_lcd_data,
552 .parent = &w3220.dev,
553 },
554 };
555
556 /*
557 * Backlight
558 */
559
560 static struct platform_pwm_backlight_data backlight_data = {
561 .max_brightness = 200,
562 .dft_brightness = 100,
563 .enable_gpio = -1,
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 30923, PWM_POLARITY_NORMAL),
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 static struct pxa2xx_udc_mach_info hx4700_udc_info;
599
600 /*
601 * Touchscreen - TSC2046 connected to SSP2
602 */
603
604 static const struct ads7846_platform_data tsc2046_info = {
605 .model = 7846,
606 .vref_delay_usecs = 100,
607 .pressure_max = 1024,
608 .debounce_max = 10,
609 .debounce_tol = 3,
610 .debounce_rep = 1,
611 .gpio_pendown = GPIO58_HX4700_TSC2046_nPENIRQ,
612 };
613
614 static struct pxa2xx_spi_chip tsc2046_chip = {
615 .tx_threshold = 1,
616 .rx_threshold = 2,
617 .timeout = 64,
618 .gpio_cs = GPIO88_HX4700_TSC2046_CS,
619 };
620
621 static struct spi_board_info tsc2046_board_info[] __initdata = {
622 {
623 .modalias = "ads7846",
624 .bus_num = 2,
625 .max_speed_hz = 2600000, /* 100 kHz sample rate */
626 .irq = PXA_GPIO_TO_IRQ(GPIO58_HX4700_TSC2046_nPENIRQ),
627 .platform_data = &tsc2046_info,
628 .controller_data = &tsc2046_chip,
629 },
630 };
631
632 static struct pxa2xx_spi_master pxa_ssp2_master_info = {
633 .num_chipselect = 1,
634 .enable_dma = 1,
635 };
636
637 /*
638 * External power
639 */
640
power_supply_init(struct device * dev)641 static int power_supply_init(struct device *dev)
642 {
643 return gpio_request(GPIOD9_nAC_IN, "AC charger detect");
644 }
645
hx4700_is_ac_online(void)646 static int hx4700_is_ac_online(void)
647 {
648 return !gpio_get_value(GPIOD9_nAC_IN);
649 }
650
power_supply_exit(struct device * dev)651 static void power_supply_exit(struct device *dev)
652 {
653 gpio_free(GPIOD9_nAC_IN);
654 }
655
656 static char *hx4700_supplicants[] = {
657 "ds2760-battery.0", "backup-battery"
658 };
659
660 static struct pda_power_pdata power_supply_info = {
661 .init = power_supply_init,
662 .is_ac_online = hx4700_is_ac_online,
663 .exit = power_supply_exit,
664 .supplied_to = hx4700_supplicants,
665 .num_supplicants = ARRAY_SIZE(hx4700_supplicants),
666 };
667
668 static struct resource power_supply_resources[] = {
669 [0] = DEFINE_RES_NAMED(PXA_GPIO_TO_IRQ(GPIOD9_nAC_IN), 1, "ac",
670 IORESOURCE_IRQ |
671 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE),
672 [1] = DEFINE_RES_NAMED(PXA_GPIO_TO_IRQ(GPIOD14_nUSBC_DETECT), 1, "usb",
673 IORESOURCE_IRQ |
674 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE),
675 };
676
677 static struct platform_device power_supply = {
678 .name = "pda-power",
679 .id = -1,
680 .dev = {
681 .platform_data = &power_supply_info,
682 },
683 .resource = power_supply_resources,
684 .num_resources = ARRAY_SIZE(power_supply_resources),
685 };
686
687 /*
688 * Battery charger
689 */
690
691 static struct regulator_consumer_supply bq24022_consumers[] = {
692 REGULATOR_SUPPLY("vbus_draw", NULL),
693 REGULATOR_SUPPLY("ac_draw", NULL),
694 };
695
696 static struct regulator_init_data bq24022_init_data = {
697 .constraints = {
698 .max_uA = 500000,
699 .valid_ops_mask = REGULATOR_CHANGE_CURRENT|REGULATOR_CHANGE_STATUS,
700 },
701 .num_consumer_supplies = ARRAY_SIZE(bq24022_consumers),
702 .consumer_supplies = bq24022_consumers,
703 };
704
705 static struct gpio bq24022_gpios[] = {
706 { GPIO96_HX4700_BQ24022_ISET2, GPIOF_OUT_INIT_LOW, "bq24022_iset2" },
707 };
708
709 static struct gpio_regulator_state bq24022_states[] = {
710 { .value = 100000, .gpios = (0 << 0) },
711 { .value = 500000, .gpios = (1 << 0) },
712 };
713
714 static struct gpio_regulator_config bq24022_info = {
715 .supply_name = "bq24022",
716
717 .enable_gpio = GPIO72_HX4700_BQ24022_nCHARGE_EN,
718 .enable_high = 0,
719 .enabled_at_boot = 0,
720
721 .gpios = bq24022_gpios,
722 .nr_gpios = ARRAY_SIZE(bq24022_gpios),
723
724 .states = bq24022_states,
725 .nr_states = ARRAY_SIZE(bq24022_states),
726
727 .type = REGULATOR_CURRENT,
728 .init_data = &bq24022_init_data,
729 };
730
731 static struct platform_device bq24022 = {
732 .name = "gpio-regulator",
733 .id = -1,
734 .dev = {
735 .platform_data = &bq24022_info,
736 },
737 };
738
739 /*
740 * StrataFlash
741 */
742
hx4700_set_vpp(struct platform_device * pdev,int vpp)743 static void hx4700_set_vpp(struct platform_device *pdev, int vpp)
744 {
745 gpio_set_value(GPIO91_HX4700_FLASH_VPEN, vpp);
746 }
747
748 static struct resource strataflash_resource[] = {
749 [0] = DEFINE_RES_MEM(PXA_CS0_PHYS, SZ_64M),
750 [1] = DEFINE_RES_MEM(PXA_CS0_PHYS + SZ_64M, SZ_64M),
751 };
752
753 static struct physmap_flash_data strataflash_data = {
754 .width = 4,
755 .set_vpp = hx4700_set_vpp,
756 };
757
758 static struct platform_device strataflash = {
759 .name = "physmap-flash",
760 .id = -1,
761 .resource = strataflash_resource,
762 .num_resources = ARRAY_SIZE(strataflash_resource),
763 .dev = {
764 .platform_data = &strataflash_data,
765 },
766 };
767
768 /*
769 * Maxim MAX1587A on PI2C
770 */
771
772 static struct regulator_consumer_supply max1587a_consumer =
773 REGULATOR_SUPPLY("vcc_core", NULL);
774
775 static struct regulator_init_data max1587a_v3_info = {
776 .constraints = {
777 .name = "vcc_core range",
778 .min_uV = 900000,
779 .max_uV = 1705000,
780 .always_on = 1,
781 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
782 },
783 .num_consumer_supplies = 1,
784 .consumer_supplies = &max1587a_consumer,
785 };
786
787 static struct max1586_subdev_data max1587a_subdev = {
788 .name = "vcc_core",
789 .id = MAX1586_V3,
790 .platform_data = &max1587a_v3_info,
791 };
792
793 static struct max1586_platform_data max1587a_info = {
794 .num_subdevs = 1,
795 .subdevs = &max1587a_subdev,
796 .v3_gain = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
797 };
798
799 static struct i2c_board_info __initdata pi2c_board_info[] = {
800 {
801 I2C_BOARD_INFO("max1586", 0x14),
802 .platform_data = &max1587a_info,
803 },
804 };
805
806 /*
807 * Asahi Kasei AK4641 on I2C
808 */
809
810 static struct ak4641_platform_data ak4641_info = {
811 .gpio_power = GPIO27_HX4700_CODEC_ON,
812 .gpio_npdn = GPIO109_HX4700_CODEC_nPDN,
813 };
814
815 static struct i2c_board_info i2c_board_info[] __initdata = {
816 {
817 I2C_BOARD_INFO("ak4641", 0x12),
818 .platform_data = &ak4641_info,
819 },
820 };
821
822 static struct platform_device audio = {
823 .name = "hx4700-audio",
824 .id = -1,
825 };
826
827
828 /*
829 * Platform devices
830 */
831
832 static struct platform_device *devices[] __initdata = {
833 &asic3,
834 &gpio_keys,
835 &navpoint,
836 &backlight,
837 &w3220,
838 &hx4700_lcd,
839 &egpio,
840 &bq24022,
841 &gpio_vbus,
842 &power_supply,
843 &strataflash,
844 &audio,
845 };
846
847 static struct gpio global_gpios[] = {
848 { GPIO12_HX4700_ASIC3_IRQ, GPIOF_IN, "ASIC3_IRQ" },
849 { GPIO13_HX4700_W3220_IRQ, GPIOF_IN, "W3220_IRQ" },
850 { GPIO14_HX4700_nWLAN_IRQ, GPIOF_IN, "WLAN_IRQ" },
851 { GPIO59_HX4700_LCD_PC1, GPIOF_OUT_INIT_HIGH, "LCD_PC1" },
852 { GPIO62_HX4700_LCD_nRESET, GPIOF_OUT_INIT_HIGH, "LCD_RESET" },
853 { GPIO70_HX4700_LCD_SLIN1, GPIOF_OUT_INIT_HIGH, "LCD_SLIN1" },
854 { GPIO84_HX4700_LCD_SQN, GPIOF_OUT_INIT_HIGH, "LCD_SQN" },
855 { GPIO110_HX4700_LCD_LVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_LVDD" },
856 { GPIO111_HX4700_LCD_AVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_AVDD" },
857 { GPIO32_HX4700_RS232_ON, GPIOF_OUT_INIT_HIGH, "RS232_ON" },
858 { GPIO61_HX4700_W3220_nRESET, GPIOF_OUT_INIT_HIGH, "W3220_nRESET" },
859 { GPIO71_HX4700_ASIC3_nRESET, GPIOF_OUT_INIT_HIGH, "ASIC3_nRESET" },
860 { GPIO81_HX4700_CPU_GP_nRESET, GPIOF_OUT_INIT_HIGH, "CPU_GP_nRESET" },
861 { GPIO82_HX4700_EUART_RESET, GPIOF_OUT_INIT_HIGH, "EUART_RESET" },
862 { GPIO116_HX4700_CPU_HW_nRESET, GPIOF_OUT_INIT_HIGH, "CPU_HW_nRESET" },
863 };
864
hx4700_init(void)865 static void __init hx4700_init(void)
866 {
867 int ret;
868
869 PCFR = PCFR_GPR_EN | PCFR_OPDE;
870
871 pxa2xx_mfp_config(ARRAY_AND_SIZE(hx4700_pin_config));
872 gpio_set_wake(GPIO12_HX4700_ASIC3_IRQ, 1);
873 ret = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
874 if (ret)
875 pr_err ("hx4700: Failed to request GPIOs.\n");
876
877 pxa_set_ffuart_info(NULL);
878 pxa_set_btuart_info(NULL);
879 pxa_set_stuart_info(NULL);
880
881 platform_add_devices(devices, ARRAY_SIZE(devices));
882 pwm_add_table(hx4700_pwm_lookup, ARRAY_SIZE(hx4700_pwm_lookup));
883
884 pxa_set_ficp_info(&ficp_info);
885 pxa27x_set_i2c_power_info(NULL);
886 pxa_set_i2c_info(NULL);
887 i2c_register_board_info(0, ARRAY_AND_SIZE(i2c_board_info));
888 i2c_register_board_info(1, ARRAY_AND_SIZE(pi2c_board_info));
889 pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
890 spi_register_board_info(ARRAY_AND_SIZE(tsc2046_board_info));
891
892 gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 0);
893 mdelay(10);
894 gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 1);
895 mdelay(10);
896
897 pxa_set_udc_info(&hx4700_udc_info);
898 regulator_has_full_constraints();
899 }
900
901 MACHINE_START(H4700, "HP iPAQ HX4700")
902 .atag_offset = 0x100,
903 .map_io = pxa27x_map_io,
904 .nr_irqs = HX4700_NR_IRQS,
905 .init_irq = pxa27x_init_irq,
906 .handle_irq = pxa27x_handle_irq,
907 .init_machine = hx4700_init,
908 .init_time = pxa_timer_init,
909 .restart = pxa_restart,
910 MACHINE_END
911