Loading...
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
64static 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
161static 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
180static 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
189static struct gpio_keys_platform_data gpio_keys_data = {
190 .buttons = gpio_keys_buttons,
191 .nbuttons = ARRAY_SIZE(gpio_keys_buttons),
192};
193
194static 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
206static struct navpoint_platform_data navpoint_platform_data = {
207 .port = 1,
208 .gpio = GPIO102_HX4700_SYNAPTICS_POWER_ON,
209};
210
211static 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
223static 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
283static 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
298static 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
307static 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
316static 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
330static struct resource egpio_resources[] = {
331 [0] = DEFINE_RES_MEM(PXA_CS5_PHYS, 0x4),
332};
333
334static 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
343static 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
350static 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
364static 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
392static 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
405static void w3220_lcd_suspend(struct w100fb_par *wfb)
406{
407 sony_lcd_off();
408}
409
410static 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
419static struct w100_tg_info w3220_tg_info = {
420 .suspend = w3220_lcd_suspend,
421 .resume = w3220_lcd_resume,
422};
423
424/* W3220_VGA QVGA */
425static 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
434static 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
482struct 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
490struct 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
500static 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
509static 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
520static struct resource w3220_resources[] = {
521 [0] = DEFINE_RES_MEM(ATI_W3220_PHYS, SZ_16M),
522};
523
524static 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
534static 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
542static struct plat_lcd_data hx4700_lcd_data = {
543 .set_power = hx4700_lcd_set_power,
544};
545
546static 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
559static struct platform_pwm_backlight_data backlight_data = {
560 .pwm_id = -1, /* Superseded by pwm_lookup */
561 .max_brightness = 200,
562 .dft_brightness = 100,
563 .pwm_period_ns = 30923,
564 .enable_gpio = -1,
565};
566
567static struct platform_device backlight = {
568 .name = "pwm-backlight",
569 .id = -1,
570 .dev = {
571 .parent = &pxa27x_device_pwm1.dev,
572 .platform_data = &backlight_data,
573 },
574};
575
576static struct pwm_lookup hx4700_pwm_lookup[] = {
577 PWM_LOOKUP("pxa27x-pwm.1", 0, "pwm-backlight", NULL),
578};
579
580/*
581 * USB "Transceiver"
582 */
583
584static 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
590static struct platform_device gpio_vbus = {
591 .name = "gpio-vbus",
592 .id = -1,
593 .dev = {
594 .platform_data = &gpio_vbus_info,
595 },
596};
597
598/*
599 * Touchscreen - TSC2046 connected to SSP2
600 */
601
602static const struct ads7846_platform_data tsc2046_info = {
603 .model = 7846,
604 .vref_delay_usecs = 100,
605 .pressure_max = 1024,
606 .debounce_max = 10,
607 .debounce_tol = 3,
608 .debounce_rep = 1,
609 .gpio_pendown = GPIO58_HX4700_TSC2046_nPENIRQ,
610};
611
612static struct pxa2xx_spi_chip tsc2046_chip = {
613 .tx_threshold = 1,
614 .rx_threshold = 2,
615 .timeout = 64,
616 .gpio_cs = GPIO88_HX4700_TSC2046_CS,
617};
618
619static struct spi_board_info tsc2046_board_info[] __initdata = {
620 {
621 .modalias = "ads7846",
622 .bus_num = 2,
623 .max_speed_hz = 2600000, /* 100 kHz sample rate */
624 .irq = PXA_GPIO_TO_IRQ(GPIO58_HX4700_TSC2046_nPENIRQ),
625 .platform_data = &tsc2046_info,
626 .controller_data = &tsc2046_chip,
627 },
628};
629
630static struct pxa2xx_spi_master pxa_ssp2_master_info = {
631 .num_chipselect = 1,
632 .clock_enable = CKEN_SSP2,
633 .enable_dma = 1,
634};
635
636/*
637 * External power
638 */
639
640static int power_supply_init(struct device *dev)
641{
642 return gpio_request(GPIOD9_nAC_IN, "AC charger detect");
643}
644
645static int hx4700_is_ac_online(void)
646{
647 return !gpio_get_value(GPIOD9_nAC_IN);
648}
649
650static void power_supply_exit(struct device *dev)
651{
652 gpio_free(GPIOD9_nAC_IN);
653}
654
655static char *hx4700_supplicants[] = {
656 "ds2760-battery.0", "backup-battery"
657};
658
659static struct pda_power_pdata power_supply_info = {
660 .init = power_supply_init,
661 .is_ac_online = hx4700_is_ac_online,
662 .exit = power_supply_exit,
663 .supplied_to = hx4700_supplicants,
664 .num_supplicants = ARRAY_SIZE(hx4700_supplicants),
665};
666
667static struct resource power_supply_resources[] = {
668 [0] = DEFINE_RES_NAMED(PXA_GPIO_TO_IRQ(GPIOD9_nAC_IN), 1, "ac",
669 IORESOURCE_IRQ |
670 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE),
671 [1] = DEFINE_RES_NAMED(PXA_GPIO_TO_IRQ(GPIOD14_nUSBC_DETECT), 1, "usb",
672 IORESOURCE_IRQ |
673 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE),
674};
675
676static struct platform_device power_supply = {
677 .name = "pda-power",
678 .id = -1,
679 .dev = {
680 .platform_data = &power_supply_info,
681 },
682 .resource = power_supply_resources,
683 .num_resources = ARRAY_SIZE(power_supply_resources),
684};
685
686/*
687 * Battery charger
688 */
689
690static struct regulator_consumer_supply bq24022_consumers[] = {
691 REGULATOR_SUPPLY("vbus_draw", NULL),
692 REGULATOR_SUPPLY("ac_draw", NULL),
693};
694
695static struct regulator_init_data bq24022_init_data = {
696 .constraints = {
697 .max_uA = 500000,
698 .valid_ops_mask = REGULATOR_CHANGE_CURRENT|REGULATOR_CHANGE_STATUS,
699 },
700 .num_consumer_supplies = ARRAY_SIZE(bq24022_consumers),
701 .consumer_supplies = bq24022_consumers,
702};
703
704static struct gpio bq24022_gpios[] = {
705 { GPIO96_HX4700_BQ24022_ISET2, GPIOF_OUT_INIT_LOW, "bq24022_iset2" },
706};
707
708static struct gpio_regulator_state bq24022_states[] = {
709 { .value = 100000, .gpios = (0 << 0) },
710 { .value = 500000, .gpios = (1 << 0) },
711};
712
713static struct gpio_regulator_config bq24022_info = {
714 .supply_name = "bq24022",
715
716 .enable_gpio = GPIO72_HX4700_BQ24022_nCHARGE_EN,
717 .enable_high = 0,
718 .enabled_at_boot = 0,
719
720 .gpios = bq24022_gpios,
721 .nr_gpios = ARRAY_SIZE(bq24022_gpios),
722
723 .states = bq24022_states,
724 .nr_states = ARRAY_SIZE(bq24022_states),
725
726 .type = REGULATOR_CURRENT,
727 .init_data = &bq24022_init_data,
728};
729
730static struct platform_device bq24022 = {
731 .name = "gpio-regulator",
732 .id = -1,
733 .dev = {
734 .platform_data = &bq24022_info,
735 },
736};
737
738/*
739 * StrataFlash
740 */
741
742static void hx4700_set_vpp(struct platform_device *pdev, int vpp)
743{
744 gpio_set_value(GPIO91_HX4700_FLASH_VPEN, vpp);
745}
746
747static struct resource strataflash_resource[] = {
748 [0] = DEFINE_RES_MEM(PXA_CS0_PHYS, SZ_64M),
749 [1] = DEFINE_RES_MEM(PXA_CS0_PHYS + SZ_64M, SZ_64M),
750};
751
752static struct physmap_flash_data strataflash_data = {
753 .width = 4,
754 .set_vpp = hx4700_set_vpp,
755};
756
757static struct platform_device strataflash = {
758 .name = "physmap-flash",
759 .id = -1,
760 .resource = strataflash_resource,
761 .num_resources = ARRAY_SIZE(strataflash_resource),
762 .dev = {
763 .platform_data = &strataflash_data,
764 },
765};
766
767/*
768 * Maxim MAX1587A on PI2C
769 */
770
771static struct regulator_consumer_supply max1587a_consumer =
772 REGULATOR_SUPPLY("vcc_core", NULL);
773
774static struct regulator_init_data max1587a_v3_info = {
775 .constraints = {
776 .name = "vcc_core range",
777 .min_uV = 900000,
778 .max_uV = 1705000,
779 .always_on = 1,
780 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
781 },
782 .num_consumer_supplies = 1,
783 .consumer_supplies = &max1587a_consumer,
784};
785
786static struct max1586_subdev_data max1587a_subdev = {
787 .name = "vcc_core",
788 .id = MAX1586_V3,
789 .platform_data = &max1587a_v3_info,
790};
791
792static struct max1586_platform_data max1587a_info = {
793 .num_subdevs = 1,
794 .subdevs = &max1587a_subdev,
795 .v3_gain = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
796};
797
798static struct i2c_board_info __initdata pi2c_board_info[] = {
799 {
800 I2C_BOARD_INFO("max1586", 0x14),
801 .platform_data = &max1587a_info,
802 },
803};
804
805/*
806 * Asahi Kasei AK4641 on I2C
807 */
808
809static struct ak4641_platform_data ak4641_info = {
810 .gpio_power = GPIO27_HX4700_CODEC_ON,
811 .gpio_npdn = GPIO109_HX4700_CODEC_nPDN,
812};
813
814static struct i2c_board_info i2c_board_info[] __initdata = {
815 {
816 I2C_BOARD_INFO("ak4641", 0x12),
817 .platform_data = &ak4641_info,
818 },
819};
820
821static struct platform_device audio = {
822 .name = "hx4700-audio",
823 .id = -1,
824};
825
826
827/*
828 * Platform devices
829 */
830
831static struct platform_device *devices[] __initdata = {
832 &asic3,
833 &gpio_keys,
834 &navpoint,
835 &backlight,
836 &w3220,
837 &hx4700_lcd,
838 &egpio,
839 &bq24022,
840 &gpio_vbus,
841 &power_supply,
842 &strataflash,
843 &audio,
844};
845
846static struct gpio global_gpios[] = {
847 { GPIO12_HX4700_ASIC3_IRQ, GPIOF_IN, "ASIC3_IRQ" },
848 { GPIO13_HX4700_W3220_IRQ, GPIOF_IN, "W3220_IRQ" },
849 { GPIO14_HX4700_nWLAN_IRQ, GPIOF_IN, "WLAN_IRQ" },
850 { GPIO59_HX4700_LCD_PC1, GPIOF_OUT_INIT_HIGH, "LCD_PC1" },
851 { GPIO62_HX4700_LCD_nRESET, GPIOF_OUT_INIT_HIGH, "LCD_RESET" },
852 { GPIO70_HX4700_LCD_SLIN1, GPIOF_OUT_INIT_HIGH, "LCD_SLIN1" },
853 { GPIO84_HX4700_LCD_SQN, GPIOF_OUT_INIT_HIGH, "LCD_SQN" },
854 { GPIO110_HX4700_LCD_LVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_LVDD" },
855 { GPIO111_HX4700_LCD_AVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_AVDD" },
856 { GPIO32_HX4700_RS232_ON, GPIOF_OUT_INIT_HIGH, "RS232_ON" },
857 { GPIO61_HX4700_W3220_nRESET, GPIOF_OUT_INIT_HIGH, "W3220_nRESET" },
858 { GPIO71_HX4700_ASIC3_nRESET, GPIOF_OUT_INIT_HIGH, "ASIC3_nRESET" },
859 { GPIO81_HX4700_CPU_GP_nRESET, GPIOF_OUT_INIT_HIGH, "CPU_GP_nRESET" },
860 { GPIO82_HX4700_EUART_RESET, GPIOF_OUT_INIT_HIGH, "EUART_RESET" },
861 { GPIO116_HX4700_CPU_HW_nRESET, GPIOF_OUT_INIT_HIGH, "CPU_HW_nRESET" },
862};
863
864static void __init hx4700_init(void)
865{
866 int ret;
867
868 PCFR = PCFR_GPR_EN | PCFR_OPDE;
869
870 pxa2xx_mfp_config(ARRAY_AND_SIZE(hx4700_pin_config));
871 gpio_set_wake(GPIO12_HX4700_ASIC3_IRQ, 1);
872 ret = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
873 if (ret)
874 pr_err ("hx4700: Failed to request GPIOs.\n");
875
876 pxa_set_ffuart_info(NULL);
877 pxa_set_btuart_info(NULL);
878 pxa_set_stuart_info(NULL);
879
880 platform_add_devices(devices, ARRAY_SIZE(devices));
881 pwm_add_table(hx4700_pwm_lookup, ARRAY_SIZE(hx4700_pwm_lookup));
882
883 pxa_set_ficp_info(&ficp_info);
884 pxa27x_set_i2c_power_info(NULL);
885 pxa_set_i2c_info(NULL);
886 i2c_register_board_info(0, ARRAY_AND_SIZE(i2c_board_info));
887 i2c_register_board_info(1, ARRAY_AND_SIZE(pi2c_board_info));
888 pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
889 spi_register_board_info(ARRAY_AND_SIZE(tsc2046_board_info));
890
891 gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 0);
892 mdelay(10);
893 gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 1);
894 mdelay(10);
895}
896
897MACHINE_START(H4700, "HP iPAQ HX4700")
898 .atag_offset = 0x100,
899 .map_io = pxa27x_map_io,
900 .nr_irqs = HX4700_NR_IRQS,
901 .init_irq = pxa27x_init_irq,
902 .handle_irq = pxa27x_handle_irq,
903 .init_machine = hx4700_init,
904 .init_time = pxa_timer_init,
905 .restart = pxa_restart,
906MACHINE_END
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Support for HP iPAQ hx4700 PDAs.
4 *
5 * Copyright (c) 2008-2009 Philipp Zabel
6 *
7 * Based on code:
8 * Copyright (c) 2004 Hewlett-Packard Company.
9 * Copyright (c) 2005 SDG Systems, LLC
10 * Copyright (c) 2006 Anton Vorontsov <cbou@mail.ru>
11 */
12
13#include <linux/kernel.h>
14#include <linux/init.h>
15#include <linux/platform_device.h>
16#include <linux/delay.h>
17#include <linux/fb.h>
18#include <linux/gpio/machine.h>
19#include <linux/gpio.h>
20#include <linux/gpio_keys.h>
21#include <linux/input.h>
22#include <linux/input/navpoint.h>
23#include <linux/lcd.h>
24#include <linux/mfd/asic3.h>
25#include <linux/mtd/physmap.h>
26#include <linux/pda_power.h>
27#include <linux/platform_data/gpio-htc-egpio.h>
28#include <linux/pwm.h>
29#include <linux/pwm_backlight.h>
30#include <linux/regulator/driver.h>
31#include <linux/regulator/gpio-regulator.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/platform_data/i2c-pxa.h>
38
39#include <mach/hardware.h>
40#include <asm/mach-types.h>
41#include <asm/mach/arch.h>
42
43#include "pxa27x.h"
44#include <mach/hx4700.h>
45#include <linux/platform_data/irda-pxaficp.h>
46
47#include <sound/ak4641.h>
48#include <video/platform_lcd.h>
49#include <video/w100fb.h>
50
51#include "devices.h"
52#include "generic.h"
53#include "udc.h"
54
55/* Physical address space information */
56
57#define ATI_W3220_PHYS PXA_CS2_PHYS /* ATI Imageon 3220 Graphics */
58#define ASIC3_PHYS PXA_CS3_PHYS
59#define ASIC3_SD_PHYS (PXA_CS3_PHYS + 0x02000000)
60
61static unsigned long hx4700_pin_config[] __initdata = {
62
63 /* SDRAM and Static Memory I/O Signals */
64 GPIO20_nSDCS_2,
65 GPIO21_nSDCS_3,
66 GPIO15_nCS_1,
67 GPIO78_nCS_2, /* W3220 */
68 GPIO79_nCS_3, /* ASIC3 */
69 GPIO80_nCS_4,
70 GPIO33_nCS_5, /* EGPIO, WLAN */
71
72 /* PC CARD */
73 GPIO48_nPOE,
74 GPIO49_nPWE,
75 GPIO50_nPIOR,
76 GPIO51_nPIOW,
77 GPIO54_nPCE_2,
78 GPIO55_nPREG,
79 GPIO56_nPWAIT,
80 GPIO57_nIOIS16,
81 GPIO85_nPCE_1,
82 GPIO104_PSKTSEL,
83
84 /* I2C */
85 GPIO117_I2C_SCL,
86 GPIO118_I2C_SDA,
87
88 /* FFUART (RS-232) */
89 GPIO34_FFUART_RXD,
90 GPIO35_FFUART_CTS,
91 GPIO36_FFUART_DCD,
92 GPIO37_FFUART_DSR,
93 GPIO38_FFUART_RI,
94 GPIO39_FFUART_TXD,
95 GPIO40_FFUART_DTR,
96 GPIO41_FFUART_RTS,
97
98 /* BTUART */
99 GPIO42_BTUART_RXD,
100 GPIO43_BTUART_TXD_LPM_LOW,
101 GPIO44_BTUART_CTS,
102 GPIO45_BTUART_RTS_LPM_LOW,
103
104 /* STUART (IRDA) */
105 GPIO46_STUART_RXD,
106 GPIO47_STUART_TXD,
107
108 /* PWM 1 (Backlight) */
109 GPIO17_PWM1_OUT,
110
111 /* I2S */
112 GPIO28_I2S_BITCLK_OUT,
113 GPIO29_I2S_SDATA_IN,
114 GPIO30_I2S_SDATA_OUT,
115 GPIO31_I2S_SYNC,
116 GPIO113_I2S_SYSCLK,
117
118 /* SSP 1 (NavPoint) */
119 GPIO23_SSP1_SCLK_IN,
120 GPIO24_SSP1_SFRM,
121 GPIO25_SSP1_TXD,
122 GPIO26_SSP1_RXD,
123
124 /* SSP 2 (TSC2046) */
125 GPIO19_SSP2_SCLK,
126 GPIO86_SSP2_RXD,
127 GPIO87_SSP2_TXD,
128 GPIO88_GPIO | MFP_LPM_DRIVE_HIGH, /* TSC2046_CS */
129
130 /* BQ24022 Regulator */
131 GPIO72_GPIO | MFP_LPM_KEEP_OUTPUT, /* BQ24022_nCHARGE_EN */
132 GPIO96_GPIO | MFP_LPM_KEEP_OUTPUT, /* BQ24022_ISET2 */
133
134 /* HX4700 specific input GPIOs */
135 GPIO12_GPIO | WAKEUP_ON_EDGE_RISE, /* ASIC3_IRQ */
136 GPIO13_GPIO, /* W3220_IRQ */
137 GPIO14_GPIO, /* nWLAN_IRQ */
138
139 /* HX4700 specific output GPIOs */
140 GPIO61_GPIO | MFP_LPM_DRIVE_HIGH, /* W3220_nRESET */
141 GPIO71_GPIO | MFP_LPM_DRIVE_HIGH, /* ASIC3_nRESET */
142 GPIO81_GPIO | MFP_LPM_DRIVE_HIGH, /* CPU_GP_nRESET */
143 GPIO116_GPIO | MFP_LPM_DRIVE_HIGH, /* CPU_HW_nRESET */
144 GPIO102_GPIO | MFP_LPM_DRIVE_LOW, /* SYNAPTICS_POWER_ON */
145
146 GPIO10_GPIO, /* GSM_IRQ */
147 GPIO13_GPIO, /* CPLD_IRQ */
148 GPIO107_GPIO, /* DS1WM_IRQ */
149 GPIO108_GPIO, /* GSM_READY */
150 GPIO58_GPIO, /* TSC2046_nPENIRQ */
151 GPIO66_GPIO, /* nSDIO_IRQ */
152};
153
154/*
155 * IRDA
156 */
157
158static struct pxaficp_platform_data ficp_info = {
159 .gpio_pwdown = GPIO105_HX4700_nIR_ON,
160 .transceiver_cap = IR_SIRMODE | IR_OFF,
161};
162
163/*
164 * GPIO Keys
165 */
166
167#define INIT_KEY(_code, _gpio, _active_low, _desc) \
168 { \
169 .code = KEY_##_code, \
170 .gpio = _gpio, \
171 .active_low = _active_low, \
172 .desc = _desc, \
173 .type = EV_KEY, \
174 .wakeup = 1, \
175 }
176
177static struct gpio_keys_button gpio_keys_buttons[] = {
178 INIT_KEY(POWER, GPIO0_HX4700_nKEY_POWER, 1, "Power button"),
179 INIT_KEY(MAIL, GPIO94_HX4700_KEY_MAIL, 0, "Mail button"),
180 INIT_KEY(ADDRESSBOOK, GPIO99_HX4700_KEY_CONTACTS,0, "Contacts button"),
181 INIT_KEY(RECORD, GPIOD6_nKEY_RECORD, 1, "Record button"),
182 INIT_KEY(CALENDAR, GPIOD1_nKEY_CALENDAR, 1, "Calendar button"),
183 INIT_KEY(HOMEPAGE, GPIOD3_nKEY_HOME, 1, "Home button"),
184};
185
186static struct gpio_keys_platform_data gpio_keys_data = {
187 .buttons = gpio_keys_buttons,
188 .nbuttons = ARRAY_SIZE(gpio_keys_buttons),
189};
190
191static struct platform_device gpio_keys = {
192 .name = "gpio-keys",
193 .dev = {
194 .platform_data = &gpio_keys_data,
195 },
196 .id = -1,
197};
198
199/*
200 * Synaptics NavPoint connected to SSP1
201 */
202
203static struct navpoint_platform_data navpoint_platform_data = {
204 .port = 1,
205 .gpio = GPIO102_HX4700_SYNAPTICS_POWER_ON,
206};
207
208static struct platform_device navpoint = {
209 .name = "navpoint",
210 .id = -1,
211 .dev = {
212 .platform_data = &navpoint_platform_data,
213 },
214};
215
216/*
217 * ASIC3
218 */
219
220static u16 asic3_gpio_config[] = {
221 /* ASIC3 GPIO banks A and B along with some of C and D
222 implement the buffering for the CF slot. */
223 ASIC3_CONFIG_GPIO(0, 1, 1, 0),
224 ASIC3_CONFIG_GPIO(1, 1, 1, 0),
225 ASIC3_CONFIG_GPIO(2, 1, 1, 0),
226 ASIC3_CONFIG_GPIO(3, 1, 1, 0),
227 ASIC3_CONFIG_GPIO(4, 1, 1, 0),
228 ASIC3_CONFIG_GPIO(5, 1, 1, 0),
229 ASIC3_CONFIG_GPIO(6, 1, 1, 0),
230 ASIC3_CONFIG_GPIO(7, 1, 1, 0),
231 ASIC3_CONFIG_GPIO(8, 1, 1, 0),
232 ASIC3_CONFIG_GPIO(9, 1, 1, 0),
233 ASIC3_CONFIG_GPIO(10, 1, 1, 0),
234 ASIC3_CONFIG_GPIO(11, 1, 1, 0),
235 ASIC3_CONFIG_GPIO(12, 1, 1, 0),
236 ASIC3_CONFIG_GPIO(13, 1, 1, 0),
237 ASIC3_CONFIG_GPIO(14, 1, 1, 0),
238 ASIC3_CONFIG_GPIO(15, 1, 1, 0),
239
240 ASIC3_CONFIG_GPIO(16, 1, 1, 0),
241 ASIC3_CONFIG_GPIO(17, 1, 1, 0),
242 ASIC3_CONFIG_GPIO(18, 1, 1, 0),
243 ASIC3_CONFIG_GPIO(19, 1, 1, 0),
244 ASIC3_CONFIG_GPIO(20, 1, 1, 0),
245 ASIC3_CONFIG_GPIO(21, 1, 1, 0),
246 ASIC3_CONFIG_GPIO(22, 1, 1, 0),
247 ASIC3_CONFIG_GPIO(23, 1, 1, 0),
248 ASIC3_CONFIG_GPIO(24, 1, 1, 0),
249 ASIC3_CONFIG_GPIO(25, 1, 1, 0),
250 ASIC3_CONFIG_GPIO(26, 1, 1, 0),
251 ASIC3_CONFIG_GPIO(27, 1, 1, 0),
252 ASIC3_CONFIG_GPIO(28, 1, 1, 0),
253 ASIC3_CONFIG_GPIO(29, 1, 1, 0),
254 ASIC3_CONFIG_GPIO(30, 1, 1, 0),
255 ASIC3_CONFIG_GPIO(31, 1, 1, 0),
256
257 /* GPIOC - CF, LEDs, SD */
258 ASIC3_GPIOC0_LED0, /* red */
259 ASIC3_GPIOC1_LED1, /* green */
260 ASIC3_GPIOC2_LED2, /* blue */
261 ASIC3_GPIOC5_nCIOW,
262 ASIC3_GPIOC6_nCIOR,
263 ASIC3_GPIOC7_nPCE_1,
264 ASIC3_GPIOC8_nPCE_2,
265 ASIC3_GPIOC9_nPOE,
266 ASIC3_GPIOC10_nPWE,
267 ASIC3_GPIOC11_PSKTSEL,
268 ASIC3_GPIOC12_nPREG,
269 ASIC3_GPIOC13_nPWAIT,
270 ASIC3_GPIOC14_nPIOIS16,
271 ASIC3_GPIOC15_nPIOR,
272
273 /* GPIOD: input GPIOs, CF */
274 ASIC3_GPIOD4_CF_nCD,
275 ASIC3_GPIOD11_nCIOIS16,
276 ASIC3_GPIOD12_nCWAIT,
277 ASIC3_GPIOD15_nPIOW,
278};
279
280static struct asic3_led asic3_leds[ASIC3_NUM_LEDS] = {
281 [0] = {
282 .name = "hx4700:amber",
283 .default_trigger = "ds2760-battery.0-charging-blink-full-solid",
284 },
285 [1] = {
286 .name = "hx4700:green",
287 .default_trigger = "unused",
288 },
289 [2] = {
290 .name = "hx4700:blue",
291 .default_trigger = "hx4700-radio",
292 },
293};
294
295static struct resource asic3_resources[] = {
296 /* GPIO part */
297 [0] = DEFINE_RES_MEM(ASIC3_PHYS, ASIC3_MAP_SIZE_16BIT),
298 [1] = DEFINE_RES_IRQ(PXA_GPIO_TO_IRQ(GPIO12_HX4700_ASIC3_IRQ)),
299 /* SD part */
300 [2] = DEFINE_RES_MEM(ASIC3_SD_PHYS, ASIC3_MAP_SIZE_16BIT),
301 [3] = DEFINE_RES_IRQ(PXA_GPIO_TO_IRQ(GPIO66_HX4700_ASIC3_nSDIO_IRQ)),
302};
303
304static struct asic3_platform_data asic3_platform_data = {
305 .gpio_config = asic3_gpio_config,
306 .gpio_config_num = ARRAY_SIZE(asic3_gpio_config),
307 .irq_base = IRQ_BOARD_START,
308 .gpio_base = HX4700_ASIC3_GPIO_BASE,
309 .clock_rate = 4000000,
310 .leds = asic3_leds,
311};
312
313static struct platform_device asic3 = {
314 .name = "asic3",
315 .id = -1,
316 .resource = asic3_resources,
317 .num_resources = ARRAY_SIZE(asic3_resources),
318 .dev = {
319 .platform_data = &asic3_platform_data,
320 },
321};
322
323/*
324 * EGPIO
325 */
326
327static struct resource egpio_resources[] = {
328 [0] = DEFINE_RES_MEM(PXA_CS5_PHYS, 0x4),
329};
330
331static struct htc_egpio_chip egpio_chips[] = {
332 [0] = {
333 .reg_start = 0,
334 .gpio_base = HX4700_EGPIO_BASE,
335 .num_gpios = 8,
336 .direction = HTC_EGPIO_OUTPUT,
337 },
338};
339
340static struct htc_egpio_platform_data egpio_info = {
341 .reg_width = 16,
342 .bus_width = 16,
343 .chip = egpio_chips,
344 .num_chips = ARRAY_SIZE(egpio_chips),
345};
346
347static struct platform_device egpio = {
348 .name = "htc-egpio",
349 .id = -1,
350 .resource = egpio_resources,
351 .num_resources = ARRAY_SIZE(egpio_resources),
352 .dev = {
353 .platform_data = &egpio_info,
354 },
355};
356
357/*
358 * LCD - Sony display connected to ATI Imageon w3220
359 */
360
361static void sony_lcd_init(void)
362{
363 gpio_set_value(GPIO84_HX4700_LCD_SQN, 1);
364 gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
365 gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
366 gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 0);
367 gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
368 mdelay(10);
369 gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
370 gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
371 mdelay(20);
372
373 gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 1);
374 mdelay(5);
375 gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 1);
376
377 /* FIXME: init w3220 registers here */
378
379 mdelay(5);
380 gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 1);
381 mdelay(10);
382 gpio_set_value(GPIO62_HX4700_LCD_nRESET, 1);
383 mdelay(10);
384 gpio_set_value(GPIO59_HX4700_LCD_PC1, 1);
385 mdelay(10);
386 gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 1);
387}
388
389static void sony_lcd_off(void)
390{
391 gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
392 gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
393 mdelay(10);
394 gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 0);
395 mdelay(10);
396 gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
397 mdelay(10);
398 gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
399}
400
401#ifdef CONFIG_PM
402static void w3220_lcd_suspend(struct w100fb_par *wfb)
403{
404 sony_lcd_off();
405}
406
407static void w3220_lcd_resume(struct w100fb_par *wfb)
408{
409 sony_lcd_init();
410}
411#else
412#define w3220_lcd_resume NULL
413#define w3220_lcd_suspend NULL
414#endif
415
416static struct w100_tg_info w3220_tg_info = {
417 .suspend = w3220_lcd_suspend,
418 .resume = w3220_lcd_resume,
419};
420
421/* W3220_VGA QVGA */
422static struct w100_gen_regs w3220_regs = {
423 .lcd_format = 0x00000003,
424 .lcdd_cntl1 = 0x00000000,
425 .lcdd_cntl2 = 0x0003ffff,
426 .genlcd_cntl1 = 0x00abf003, /* 0x00fff003 */
427 .genlcd_cntl2 = 0x00000003,
428 .genlcd_cntl3 = 0x000102aa,
429};
430
431static struct w100_mode w3220_modes[] = {
432{
433 .xres = 480,
434 .yres = 640,
435 .left_margin = 15,
436 .right_margin = 16,
437 .upper_margin = 8,
438 .lower_margin = 7,
439 .crtc_ss = 0x00000000,
440 .crtc_ls = 0xa1ff01f9, /* 0x21ff01f9 */
441 .crtc_gs = 0xc0000000, /* 0x40000000 */
442 .crtc_vpos_gs = 0x0000028f,
443 .crtc_ps1_active = 0x00000000, /* 0x41060010 */
444 .crtc_rev = 0,
445 .crtc_dclk = 0x80000000,
446 .crtc_gclk = 0x040a0104,
447 .crtc_goe = 0,
448 .pll_freq = 95,
449 .pixclk_divider = 4,
450 .pixclk_divider_rotated = 4,
451 .pixclk_src = CLK_SRC_PLL,
452 .sysclk_divider = 0,
453 .sysclk_src = CLK_SRC_PLL,
454},
455{
456 .xres = 240,
457 .yres = 320,
458 .left_margin = 9,
459 .right_margin = 8,
460 .upper_margin = 5,
461 .lower_margin = 4,
462 .crtc_ss = 0x80150014,
463 .crtc_ls = 0xa0fb00f7,
464 .crtc_gs = 0xc0080007,
465 .crtc_vpos_gs = 0x00080007,
466 .crtc_rev = 0x0000000a,
467 .crtc_dclk = 0x81700030,
468 .crtc_gclk = 0x8015010f,
469 .crtc_goe = 0x00000000,
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
479struct w100_mem_info w3220_mem_info = {
480 .ext_cntl = 0x09640011,
481 .sdram_mode_reg = 0x00600021,
482 .ext_timing_cntl = 0x1a001545, /* 0x15001545 */
483 .io_cntl = 0x7ddd7333,
484 .size = 0x1fffff,
485};
486
487struct w100_bm_mem_info w3220_bm_mem_info = {
488 .ext_mem_bw = 0x50413e01,
489 .offset = 0,
490 .ext_timing_ctl = 0x00043f7f,
491 .ext_cntl = 0x00000010,
492 .mode_reg = 0x00250000,
493 .io_cntl = 0x0fff0000,
494 .config = 0x08301480,
495};
496
497static struct w100_gpio_regs w3220_gpio_info = {
498 .init_data1 = 0xdfe00100, /* GPIO_DATA */
499 .gpio_dir1 = 0xffff0000, /* GPIO_CNTL1 */
500 .gpio_oe1 = 0x00000000, /* GPIO_CNTL2 */
501 .init_data2 = 0x00000000, /* GPIO_DATA2 */
502 .gpio_dir2 = 0x00000000, /* GPIO_CNTL3 */
503 .gpio_oe2 = 0x00000000, /* GPIO_CNTL4 */
504};
505
506static struct w100fb_mach_info w3220_info = {
507 .tg = &w3220_tg_info,
508 .mem = &w3220_mem_info,
509 .bm_mem = &w3220_bm_mem_info,
510 .gpio = &w3220_gpio_info,
511 .regs = &w3220_regs,
512 .modelist = w3220_modes,
513 .num_modes = 2,
514 .xtal_freq = 16000000,
515};
516
517static struct resource w3220_resources[] = {
518 [0] = DEFINE_RES_MEM(ATI_W3220_PHYS, SZ_16M),
519};
520
521static struct platform_device w3220 = {
522 .name = "w100fb",
523 .id = -1,
524 .dev = {
525 .platform_data = &w3220_info,
526 },
527 .num_resources = ARRAY_SIZE(w3220_resources),
528 .resource = w3220_resources,
529};
530
531static void hx4700_lcd_set_power(struct plat_lcd_data *pd, unsigned int power)
532{
533 if (power)
534 sony_lcd_init();
535 else
536 sony_lcd_off();
537}
538
539static struct plat_lcd_data hx4700_lcd_data = {
540 .set_power = hx4700_lcd_set_power,
541};
542
543static struct platform_device hx4700_lcd = {
544 .name = "platform-lcd",
545 .id = -1,
546 .dev = {
547 .platform_data = &hx4700_lcd_data,
548 .parent = &w3220.dev,
549 },
550};
551
552/*
553 * Backlight
554 */
555
556static struct platform_pwm_backlight_data backlight_data = {
557 .max_brightness = 200,
558 .dft_brightness = 100,
559};
560
561static struct platform_device backlight = {
562 .name = "pwm-backlight",
563 .id = -1,
564 .dev = {
565 .parent = &pxa27x_device_pwm1.dev,
566 .platform_data = &backlight_data,
567 },
568};
569
570static struct pwm_lookup hx4700_pwm_lookup[] = {
571 PWM_LOOKUP("pxa27x-pwm.1", 0, "pwm-backlight", NULL,
572 30923, PWM_POLARITY_NORMAL),
573};
574
575/*
576 * USB "Transceiver"
577 */
578
579static struct gpiod_lookup_table gpio_vbus_gpiod_table = {
580 .dev_id = "gpio-vbus",
581 .table = {
582 /* This GPIO is on ASIC3 */
583 GPIO_LOOKUP("asic3",
584 /* Convert to a local offset on the ASIC3 */
585 GPIOD14_nUSBC_DETECT - HX4700_ASIC3_GPIO_BASE,
586 "vbus", GPIO_ACTIVE_LOW),
587 /* This one is on the primary SOC GPIO */
588 GPIO_LOOKUP("gpio-pxa", GPIO76_HX4700_USBC_PUEN,
589 "pullup", GPIO_ACTIVE_HIGH),
590 { },
591 },
592};
593
594static struct platform_device gpio_vbus = {
595 .name = "gpio-vbus",
596 .id = -1,
597};
598
599static struct pxa2xx_udc_mach_info hx4700_udc_info;
600
601/*
602 * Touchscreen - TSC2046 connected to SSP2
603 */
604
605static const struct ads7846_platform_data tsc2046_info = {
606 .model = 7846,
607 .vref_delay_usecs = 100,
608 .pressure_max = 1024,
609 .debounce_max = 10,
610 .debounce_tol = 3,
611 .debounce_rep = 1,
612 .gpio_pendown = GPIO58_HX4700_TSC2046_nPENIRQ,
613};
614
615static struct pxa2xx_spi_chip tsc2046_chip = {
616 .tx_threshold = 1,
617 .rx_threshold = 2,
618 .timeout = 64,
619 .gpio_cs = GPIO88_HX4700_TSC2046_CS,
620};
621
622static struct spi_board_info tsc2046_board_info[] __initdata = {
623 {
624 .modalias = "ads7846",
625 .bus_num = 2,
626 .max_speed_hz = 2600000, /* 100 kHz sample rate */
627 .irq = PXA_GPIO_TO_IRQ(GPIO58_HX4700_TSC2046_nPENIRQ),
628 .platform_data = &tsc2046_info,
629 .controller_data = &tsc2046_chip,
630 },
631};
632
633static struct pxa2xx_spi_controller pxa_ssp2_master_info = {
634 .num_chipselect = 1,
635 .enable_dma = 1,
636};
637
638/*
639 * External power
640 */
641
642static int power_supply_init(struct device *dev)
643{
644 return gpio_request(GPIOD9_nAC_IN, "AC charger detect");
645}
646
647static int hx4700_is_ac_online(void)
648{
649 return !gpio_get_value(GPIOD9_nAC_IN);
650}
651
652static void power_supply_exit(struct device *dev)
653{
654 gpio_free(GPIOD9_nAC_IN);
655}
656
657static char *hx4700_supplicants[] = {
658 "ds2760-battery.0", "backup-battery"
659};
660
661static struct pda_power_pdata power_supply_info = {
662 .init = power_supply_init,
663 .is_ac_online = hx4700_is_ac_online,
664 .exit = power_supply_exit,
665 .supplied_to = hx4700_supplicants,
666 .num_supplicants = ARRAY_SIZE(hx4700_supplicants),
667};
668
669static struct resource power_supply_resources[] = {
670 [0] = DEFINE_RES_NAMED(PXA_GPIO_TO_IRQ(GPIOD9_nAC_IN), 1, "ac",
671 IORESOURCE_IRQ |
672 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE),
673 [1] = DEFINE_RES_NAMED(PXA_GPIO_TO_IRQ(GPIOD14_nUSBC_DETECT), 1, "usb",
674 IORESOURCE_IRQ |
675 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE),
676};
677
678static struct platform_device power_supply = {
679 .name = "pda-power",
680 .id = -1,
681 .dev = {
682 .platform_data = &power_supply_info,
683 },
684 .resource = power_supply_resources,
685 .num_resources = ARRAY_SIZE(power_supply_resources),
686};
687
688/*
689 * Battery charger
690 */
691
692static struct regulator_consumer_supply bq24022_consumers[] = {
693 REGULATOR_SUPPLY("vbus_draw", NULL),
694 REGULATOR_SUPPLY("ac_draw", NULL),
695};
696
697static struct regulator_init_data bq24022_init_data = {
698 .constraints = {
699 .max_uA = 500000,
700 .valid_ops_mask = REGULATOR_CHANGE_CURRENT|REGULATOR_CHANGE_STATUS,
701 },
702 .num_consumer_supplies = ARRAY_SIZE(bq24022_consumers),
703 .consumer_supplies = bq24022_consumers,
704};
705
706static enum gpiod_flags bq24022_gpiod_gflags[] = { GPIOD_OUT_LOW };
707
708static struct gpio_regulator_state bq24022_states[] = {
709 { .value = 100000, .gpios = (0 << 0) },
710 { .value = 500000, .gpios = (1 << 0) },
711};
712
713static struct gpio_regulator_config bq24022_info = {
714 .supply_name = "bq24022",
715
716 .enabled_at_boot = 0,
717
718 .gflags = bq24022_gpiod_gflags,
719 .ngpios = ARRAY_SIZE(bq24022_gpiod_gflags),
720
721 .states = bq24022_states,
722 .nr_states = ARRAY_SIZE(bq24022_states),
723
724 .type = REGULATOR_CURRENT,
725 .init_data = &bq24022_init_data,
726};
727
728static struct platform_device bq24022 = {
729 .name = "gpio-regulator",
730 .id = -1,
731 .dev = {
732 .platform_data = &bq24022_info,
733 },
734};
735
736static struct gpiod_lookup_table bq24022_gpiod_table = {
737 .dev_id = "gpio-regulator",
738 .table = {
739 GPIO_LOOKUP("gpio-pxa", GPIO96_HX4700_BQ24022_ISET2,
740 NULL, GPIO_ACTIVE_HIGH),
741 GPIO_LOOKUP("gpio-pxa", GPIO72_HX4700_BQ24022_nCHARGE_EN,
742 "enable", GPIO_ACTIVE_LOW),
743 { },
744 },
745};
746
747/*
748 * StrataFlash
749 */
750
751static void hx4700_set_vpp(struct platform_device *pdev, int vpp)
752{
753 gpio_set_value(GPIO91_HX4700_FLASH_VPEN, vpp);
754}
755
756static struct resource strataflash_resource[] = {
757 [0] = DEFINE_RES_MEM(PXA_CS0_PHYS, SZ_64M),
758 [1] = DEFINE_RES_MEM(PXA_CS0_PHYS + SZ_64M, SZ_64M),
759};
760
761static struct physmap_flash_data strataflash_data = {
762 .width = 4,
763 .set_vpp = hx4700_set_vpp,
764};
765
766static struct platform_device strataflash = {
767 .name = "physmap-flash",
768 .id = -1,
769 .resource = strataflash_resource,
770 .num_resources = ARRAY_SIZE(strataflash_resource),
771 .dev = {
772 .platform_data = &strataflash_data,
773 },
774};
775
776/*
777 * Maxim MAX1587A on PI2C
778 */
779
780static struct regulator_consumer_supply max1587a_consumer =
781 REGULATOR_SUPPLY("vcc_core", NULL);
782
783static struct regulator_init_data max1587a_v3_info = {
784 .constraints = {
785 .name = "vcc_core range",
786 .min_uV = 900000,
787 .max_uV = 1705000,
788 .always_on = 1,
789 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
790 },
791 .num_consumer_supplies = 1,
792 .consumer_supplies = &max1587a_consumer,
793};
794
795static struct max1586_subdev_data max1587a_subdev = {
796 .name = "vcc_core",
797 .id = MAX1586_V3,
798 .platform_data = &max1587a_v3_info,
799};
800
801static struct max1586_platform_data max1587a_info = {
802 .num_subdevs = 1,
803 .subdevs = &max1587a_subdev,
804 .v3_gain = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
805};
806
807static struct i2c_board_info __initdata pi2c_board_info[] = {
808 {
809 I2C_BOARD_INFO("max1586", 0x14),
810 .platform_data = &max1587a_info,
811 },
812};
813
814/*
815 * Asahi Kasei AK4641 on I2C
816 */
817
818static struct ak4641_platform_data ak4641_info = {
819 .gpio_power = GPIO27_HX4700_CODEC_ON,
820 .gpio_npdn = GPIO109_HX4700_CODEC_nPDN,
821};
822
823static struct i2c_board_info i2c_board_info[] __initdata = {
824 {
825 I2C_BOARD_INFO("ak4641", 0x12),
826 .platform_data = &ak4641_info,
827 },
828};
829
830static struct platform_device audio = {
831 .name = "hx4700-audio",
832 .id = -1,
833};
834
835
836/*
837 * Platform devices
838 */
839
840static struct platform_device *devices[] __initdata = {
841 &asic3,
842 &gpio_keys,
843 &navpoint,
844 &backlight,
845 &w3220,
846 &hx4700_lcd,
847 &egpio,
848 &bq24022,
849 &gpio_vbus,
850 &power_supply,
851 &strataflash,
852 &audio,
853};
854
855static struct gpio global_gpios[] = {
856 { GPIO12_HX4700_ASIC3_IRQ, GPIOF_IN, "ASIC3_IRQ" },
857 { GPIO13_HX4700_W3220_IRQ, GPIOF_IN, "W3220_IRQ" },
858 { GPIO14_HX4700_nWLAN_IRQ, GPIOF_IN, "WLAN_IRQ" },
859 { GPIO59_HX4700_LCD_PC1, GPIOF_OUT_INIT_HIGH, "LCD_PC1" },
860 { GPIO62_HX4700_LCD_nRESET, GPIOF_OUT_INIT_HIGH, "LCD_RESET" },
861 { GPIO70_HX4700_LCD_SLIN1, GPIOF_OUT_INIT_HIGH, "LCD_SLIN1" },
862 { GPIO84_HX4700_LCD_SQN, GPIOF_OUT_INIT_HIGH, "LCD_SQN" },
863 { GPIO110_HX4700_LCD_LVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_LVDD" },
864 { GPIO111_HX4700_LCD_AVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_AVDD" },
865 { GPIO32_HX4700_RS232_ON, GPIOF_OUT_INIT_HIGH, "RS232_ON" },
866 { GPIO61_HX4700_W3220_nRESET, GPIOF_OUT_INIT_HIGH, "W3220_nRESET" },
867 { GPIO71_HX4700_ASIC3_nRESET, GPIOF_OUT_INIT_HIGH, "ASIC3_nRESET" },
868 { GPIO81_HX4700_CPU_GP_nRESET, GPIOF_OUT_INIT_HIGH, "CPU_GP_nRESET" },
869 { GPIO82_HX4700_EUART_RESET, GPIOF_OUT_INIT_HIGH, "EUART_RESET" },
870 { GPIO116_HX4700_CPU_HW_nRESET, GPIOF_OUT_INIT_HIGH, "CPU_HW_nRESET" },
871};
872
873static void __init hx4700_init(void)
874{
875 int ret;
876
877 PCFR = PCFR_GPR_EN | PCFR_OPDE;
878
879 pxa2xx_mfp_config(ARRAY_AND_SIZE(hx4700_pin_config));
880 gpio_set_wake(GPIO12_HX4700_ASIC3_IRQ, 1);
881 ret = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
882 if (ret)
883 pr_err ("hx4700: Failed to request GPIOs.\n");
884
885 pxa_set_ffuart_info(NULL);
886 pxa_set_btuart_info(NULL);
887 pxa_set_stuart_info(NULL);
888
889 gpiod_add_lookup_table(&bq24022_gpiod_table);
890 gpiod_add_lookup_table(&gpio_vbus_gpiod_table);
891 platform_add_devices(devices, ARRAY_SIZE(devices));
892 pwm_add_table(hx4700_pwm_lookup, ARRAY_SIZE(hx4700_pwm_lookup));
893
894 pxa_set_ficp_info(&ficp_info);
895 pxa27x_set_i2c_power_info(NULL);
896 pxa_set_i2c_info(NULL);
897 i2c_register_board_info(0, ARRAY_AND_SIZE(i2c_board_info));
898 i2c_register_board_info(1, ARRAY_AND_SIZE(pi2c_board_info));
899 pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
900 spi_register_board_info(ARRAY_AND_SIZE(tsc2046_board_info));
901
902 gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 0);
903 mdelay(10);
904 gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 1);
905 mdelay(10);
906
907 pxa_set_udc_info(&hx4700_udc_info);
908 regulator_has_full_constraints();
909}
910
911MACHINE_START(H4700, "HP iPAQ HX4700")
912 .atag_offset = 0x100,
913 .map_io = pxa27x_map_io,
914 .nr_irqs = HX4700_NR_IRQS,
915 .init_irq = pxa27x_init_irq,
916 .handle_irq = pxa27x_handle_irq,
917 .init_machine = hx4700_init,
918 .init_time = pxa_timer_init,
919 .restart = pxa_restart,
920MACHINE_END