projects / deliverable / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
[ARM] 5590/1: Add basic support for ST Nomadik 8815 SoC and evaluation board
[deliverable/linux.git] / arch / arm / mach-pxa / hx4700.c
CommitLineData
d3ca1952
PZ		 1/*
2 * Support for HP iPAQ hx4700 PDAs.
3 *
4 * Copyright (c) 2008-2009 Philipp Zabel
5 *
6 * Based on code:
7 * Copyright (c) 2004 Hewlett-Packard Company.
8 * Copyright (c) 2005 SDG Systems, LLC
9 * Copyright (c) 2006 Anton Vorontsov <cbou@mail.ru>
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License version 2 as
13 * published by the Free Software Foundation.
14 *
15 */
16
17#include <linux/kernel.h>
18#include <linux/init.h>
19#include <linux/platform_device.h>
20#include <linux/delay.h>
21#include <linux/fb.h>
22#include <linux/gpio.h>
23#include <linux/gpio_keys.h>
24#include <linux/input.h>
25#include <linux/lcd.h>
26#include <linux/mfd/htc-egpio.h>
27#include <linux/mfd/asic3.h>
28#include <linux/mtd/physmap.h>
29#include <linux/pda_power.h>
30#include <linux/pwm_backlight.h>
31#include <linux/regulator/bq24022.h>
32#include <linux/regulator/machine.h>
6ea0414f 33#include <linux/regulator/max1586.h>
d3ca1952
PZ		 34#include <linux/spi/ads7846.h>
35#include <linux/spi/spi.h>
36#include <linux/usb/gpio_vbus.h>
37
38#include <mach/hardware.h>
39#include <asm/mach-types.h>
40#include <asm/mach/arch.h>
41
42#include <mach/pxa27x.h>
43#include <mach/hx4700.h>
44#include <plat/i2c.h>
45#include <mach/irda.h>
46#include <mach/pxa2xx_spi.h>
47
48#include <video/w100fb.h>
49
50#include "devices.h"
51#include "generic.h"
52
53/* Physical address space information */
54
55#define ATI_W3220_PHYS PXA_CS2_PHYS /* ATI Imageon 3220 Graphics */
56#define ASIC3_PHYS PXA_CS3_PHYS
57#define ASIC3_SD_PHYS (PXA_CS3_PHYS + 0x02000000)
58
59static unsigned long hx4700_pin_config[] __initdata = {
60
61 /* SDRAM and Static Memory I/O Signals */
62 GPIO20_nSDCS_2,
63 GPIO21_nSDCS_3,
64 GPIO15_nCS_1,
65 GPIO78_nCS_2, /* W3220 */
66 GPIO79_nCS_3, /* ASIC3 */
67 GPIO80_nCS_4,
68 GPIO33_nCS_5, /* EGPIO, WLAN */
69
70 /* PC CARD */
71 GPIO48_nPOE,
72 GPIO49_nPWE,
73 GPIO50_nPIOR,
74 GPIO51_nPIOW,
75 GPIO54_nPCE_2,
76 GPIO55_nPREG,
77 GPIO56_nPWAIT,
78 GPIO57_nIOIS16,
79 GPIO85_nPCE_1,
80 GPIO104_PSKTSEL,
81
82 /* I2C */
83 GPIO117_I2C_SCL,
84 GPIO118_I2C_SDA,
85
86 /* FFUART (RS-232) */
87 GPIO34_FFUART_RXD,
88 GPIO35_FFUART_CTS,
89 GPIO36_FFUART_DCD,
90 GPIO37_FFUART_DSR,
91 GPIO38_FFUART_RI,
92 GPIO39_FFUART_TXD,
93 GPIO40_FFUART_DTR,
94 GPIO41_FFUART_RTS,
95
96 /* BTUART */
97 GPIO42_BTUART_RXD,
98 GPIO43_BTUART_TXD,
99 GPIO44_BTUART_CTS,
100 GPIO45_BTUART_RTS,
101
102 /* PWM 1 (Backlight) */
103 GPIO17_PWM1_OUT,
104
105 /* I2S */
106 GPIO28_I2S_BITCLK_OUT,
107 GPIO29_I2S_SDATA_IN,
108 GPIO30_I2S_SDATA_OUT,
109 GPIO31_I2S_SYNC,
110 GPIO113_I2S_SYSCLK,
111
112 /* SSP 1 (NavPoint) */
113 GPIO23_SSP1_SCLK,
114 GPIO24_SSP1_SFRM,
115 GPIO25_SSP1_TXD,
116 GPIO26_SSP1_RXD,
117
118 /* SSP 2 (TSC2046) */
119 GPIO19_SSP2_SCLK,
120 GPIO86_SSP2_RXD,
121 GPIO87_SSP2_TXD,
122 GPIO88_GPIO,
123
124 /* HX4700 specific input GPIOs */
125 GPIO12_GPIO, /* ASIC3_IRQ */
126 GPIO13_GPIO, /* W3220_IRQ */
127 GPIO14_GPIO, /* nWLAN_IRQ */
128
129 GPIO10_GPIO, /* GSM_IRQ */
130 GPIO13_GPIO, /* CPLD_IRQ */
131 GPIO107_GPIO, /* DS1WM_IRQ */
132 GPIO108_GPIO, /* GSM_READY */
133 GPIO58_GPIO, /* TSC2046_nPENIRQ */
134 GPIO66_GPIO, /* nSDIO_IRQ */
135};
136
137#define HX4700_GPIO_IN(num, _desc) \
138 { .gpio = (num), .dir = 0, .desc = (_desc) }
139#define HX4700_GPIO_OUT(num, _init, _desc) \
140 { .gpio = (num), .dir = 1, .init = (_init), .desc = (_desc) }
141struct gpio_ress {
142 unsigned gpio : 8;
143 unsigned dir : 1;
144 unsigned init : 1;
145 char *desc;
146};
147
148static int hx4700_gpio_request(struct gpio_ress *gpios, int size)
149{
150 int i, rc = 0;
151 int gpio;
152 int dir;
153
154 for (i = 0; (!rc) && (i < size); i++) {
155 gpio = gpios[i].gpio;
156 dir = gpios[i].dir;
157 rc = gpio_request(gpio, gpios[i].desc);
158 if (rc) {
159 pr_err("Error requesting GPIO %d(%s) : %d\n",
160 gpio, gpios[i].desc, rc);
161 continue;
162 }
163 if (dir)
164 gpio_direction_output(gpio, gpios[i].init);
165 else
166 gpio_direction_input(gpio);
167 }
168 while ((rc) && (--i >= 0))
169 gpio_free(gpios[i].gpio);
170 return rc;
171}
172
173/*
174 * IRDA
175 */
176
177static void irda_transceiver_mode(struct device *dev, int mode)
178{
179 gpio_set_value(GPIO105_HX4700_nIR_ON, mode & IR_OFF);
180}
181
182static struct pxaficp_platform_data ficp_info = {
183 .transceiver_cap = IR_SIRMODE | IR_OFF,
184 .transceiver_mode = irda_transceiver_mode,
185};
186
187/*
188 * GPIO Keys
189 */
190
191#define INIT_KEY(_code, _gpio, _active_low, _desc) \
192 { \
193 .code = KEY_##_code, \
194 .gpio = _gpio, \
195 .active_low = _active_low, \
196 .desc = _desc, \
197 .type = EV_KEY, \
198 .wakeup = 1, \
199 }
200
201static struct gpio_keys_button gpio_keys_buttons[] = {
202 INIT_KEY(POWER, GPIO0_HX4700_nKEY_POWER, 1, "Power button"),
203 INIT_KEY(MAIL, GPIO94_HX4700_KEY_MAIL, 0, "Mail button"),
204 INIT_KEY(ADDRESSBOOK, GPIO99_HX4700_KEY_CONTACTS,0, "Contacts button"),
205 INIT_KEY(RECORD, GPIOD6_nKEY_RECORD, 1, "Record button"),
206 INIT_KEY(CALENDAR, GPIOD1_nKEY_CALENDAR, 1, "Calendar button"),
207 INIT_KEY(HOMEPAGE, GPIOD3_nKEY_HOME, 1, "Home button"),
208};
209
210static struct gpio_keys_platform_data gpio_keys_data = {
211 .buttons = gpio_keys_buttons,
212 .nbuttons = ARRAY_SIZE(gpio_keys_buttons),
213};
214
215static struct platform_device gpio_keys = {
216 .name = "gpio-keys",
217 .dev = {
218 .platform_data = &gpio_keys_data,
219 },
220 .id = -1,
221};
222
223/*
224 * ASIC3
225 */
226
227static u16 asic3_gpio_config[] = {
228 /* ASIC3 GPIO banks A and B along with some of C and D
229 implement the buffering for the CF slot. */
230 ASIC3_CONFIG_GPIO(0, 1, 1, 0),
231 ASIC3_CONFIG_GPIO(1, 1, 1, 0),
232 ASIC3_CONFIG_GPIO(2, 1, 1, 0),
233 ASIC3_CONFIG_GPIO(3, 1, 1, 0),
234 ASIC3_CONFIG_GPIO(4, 1, 1, 0),
235 ASIC3_CONFIG_GPIO(5, 1, 1, 0),
236 ASIC3_CONFIG_GPIO(6, 1, 1, 0),
237 ASIC3_CONFIG_GPIO(7, 1, 1, 0),
238 ASIC3_CONFIG_GPIO(8, 1, 1, 0),
239 ASIC3_CONFIG_GPIO(9, 1, 1, 0),
240 ASIC3_CONFIG_GPIO(10, 1, 1, 0),
241 ASIC3_CONFIG_GPIO(11, 1, 1, 0),
242 ASIC3_CONFIG_GPIO(12, 1, 1, 0),
243 ASIC3_CONFIG_GPIO(13, 1, 1, 0),
244 ASIC3_CONFIG_GPIO(14, 1, 1, 0),
245 ASIC3_CONFIG_GPIO(15, 1, 1, 0),
246
247 ASIC3_CONFIG_GPIO(16, 1, 1, 0),
248 ASIC3_CONFIG_GPIO(17, 1, 1, 0),
249 ASIC3_CONFIG_GPIO(18, 1, 1, 0),
250 ASIC3_CONFIG_GPIO(19, 1, 1, 0),
251 ASIC3_CONFIG_GPIO(20, 1, 1, 0),
252 ASIC3_CONFIG_GPIO(21, 1, 1, 0),
253 ASIC3_CONFIG_GPIO(22, 1, 1, 0),
254 ASIC3_CONFIG_GPIO(23, 1, 1, 0),
255 ASIC3_CONFIG_GPIO(24, 1, 1, 0),
256 ASIC3_CONFIG_GPIO(25, 1, 1, 0),
257 ASIC3_CONFIG_GPIO(26, 1, 1, 0),
258 ASIC3_CONFIG_GPIO(27, 1, 1, 0),
259 ASIC3_CONFIG_GPIO(28, 1, 1, 0),
260 ASIC3_CONFIG_GPIO(29, 1, 1, 0),
261 ASIC3_CONFIG_GPIO(30, 1, 1, 0),
262 ASIC3_CONFIG_GPIO(31, 1, 1, 0),
263
264 /* GPIOC - CF, LEDs, SD */
265 ASIC3_GPIOC0_LED0, /* red */
266 ASIC3_GPIOC1_LED1, /* green */
267 ASIC3_GPIOC2_LED2, /* blue */
268 ASIC3_GPIOC4_CF_nCD,
269 ASIC3_GPIOC5_nCIOW,
270 ASIC3_GPIOC6_nCIOR,
271 ASIC3_GPIOC7_nPCE_1,
272 ASIC3_GPIOC8_nPCE_2,
273 ASIC3_GPIOC9_nPOE,
274 ASIC3_GPIOC10_nPWE,
275 ASIC3_GPIOC11_PSKTSEL,
276 ASIC3_GPIOC12_nPREG,
277 ASIC3_GPIOC13_nPWAIT,
278 ASIC3_GPIOC14_nPIOIS16,
279 ASIC3_GPIOC15_nPIOR,
280
281 /* GPIOD: input GPIOs, CF */
282 ASIC3_GPIOD11_nCIOIS16,
283 ASIC3_GPIOD12_nCWAIT,
284 ASIC3_GPIOD15_nPIOW,
285};
286
287static struct resource asic3_resources[] = {
288 /* GPIO part */
289 [0] = {
290 .start = ASIC3_PHYS,
291 .end = ASIC3_PHYS + ASIC3_MAP_SIZE_16BIT - 1,
292 .flags = IORESOURCE_MEM,
293 },
294 [1] = {
295 .start = gpio_to_irq(GPIO12_HX4700_ASIC3_IRQ),
296 .end = gpio_to_irq(GPIO12_HX4700_ASIC3_IRQ),
297 .flags = IORESOURCE_IRQ,
298 },
299 /* SD part */
300 [2] = {
301 .start = ASIC3_SD_PHYS,
302 .end = ASIC3_SD_PHYS + ASIC3_MAP_SIZE_16BIT - 1,
303 .flags = IORESOURCE_MEM,
304 },
305 [3] = {
306 .start = gpio_to_irq(GPIO66_HX4700_ASIC3_nSDIO_IRQ),
307 .end = gpio_to_irq(GPIO66_HX4700_ASIC3_nSDIO_IRQ),
308 .flags = IORESOURCE_IRQ,
309 },
310};
311
312static struct asic3_platform_data asic3_platform_data = {
313 .gpio_config = asic3_gpio_config,
314 .gpio_config_num = ARRAY_SIZE(asic3_gpio_config),
315 .irq_base = IRQ_BOARD_START,
316 .gpio_base = HX4700_ASIC3_GPIO_BASE,
317};
318
319static struct platform_device asic3 = {
320 .name = "asic3",
321 .id = -1,
322 .resource = asic3_resources,
323 .num_resources = ARRAY_SIZE(asic3_resources),
324 .dev = {
325 .platform_data = &asic3_platform_data,
326 },
327};
328
329/*
330 * EGPIO
331 */
332
333static struct resource egpio_resources[] = {
334 [0] = {
335 .start = PXA_CS5_PHYS,
336 .end = PXA_CS5_PHYS + 0x4 - 1,
337 .flags = IORESOURCE_MEM,
338 },
339};
340
341static struct htc_egpio_chip egpio_chips[] = {
342 [0] = {
343 .reg_start = 0,
344 .gpio_base = HX4700_EGPIO_BASE,
345 .num_gpios = 8,
346 .direction = HTC_EGPIO_OUTPUT,
347 },
348};
349
350static struct htc_egpio_platform_data egpio_info = {
351 .reg_width = 16,
352 .bus_width = 16,
353 .chip = egpio_chips,
354 .num_chips = ARRAY_SIZE(egpio_chips),
355};
356
357static struct platform_device egpio = {
358 .name = "htc-egpio",
359 .id = -1,
360 .resource = egpio_resources,
361 .num_resources = ARRAY_SIZE(egpio_resources),
362 .dev = {
363 .platform_data = &egpio_info,
364 },
365};
366
367/*
368 * LCD - Sony display connected to ATI Imageon w3220
369 */
370
371static int lcd_power;
372
373static void sony_lcd_init(void)
374{
375 gpio_set_value(GPIO84_HX4700_LCD_SQN, 1);
376 gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
377 gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
378 gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 0);
379 gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
380 mdelay(10);
381 gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
382 gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
383 mdelay(20);
384
385 gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 1);
386 mdelay(5);
387 gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 1);
388
389 /* FIXME: init w3220 registers here */
390
391 mdelay(5);
392 gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 1);
393 mdelay(10);
394 gpio_set_value(GPIO62_HX4700_LCD_nRESET, 1);
395 mdelay(10);
396 gpio_set_value(GPIO59_HX4700_LCD_PC1, 1);
397 mdelay(10);
398 gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 1);
399}
400
401static void sony_lcd_off(void)
402{
403 gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
404 gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
405 mdelay(10);
406 gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 0);
407 mdelay(10);
408 gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
409 mdelay(10);
410 gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
411}
412
413static int hx4700_lcd_set_power(struct lcd_device *ldev, int level)
414{
415 switch (level) {
416 case FB_BLANK_UNBLANK:
417 sony_lcd_init();
418 break;
419 case FB_BLANK_NORMAL:
420 case FB_BLANK_VSYNC_SUSPEND:
421 case FB_BLANK_HSYNC_SUSPEND:
422 case FB_BLANK_POWERDOWN:
423 sony_lcd_off();
424 break;
425 }
426 lcd_power = level;
427 return 0;
428}
429
430static int hx4700_lcd_get_power(struct lcd_device *lm)
431{
432 return lcd_power;
433}
434
435static struct lcd_ops hx4700_lcd_ops = {
436 .get_power = hx4700_lcd_get_power,
437 .set_power = hx4700_lcd_set_power,
438};
439
440static struct lcd_device *hx4700_lcd_device;
441
442#ifdef CONFIG_PM
443static void w3220_lcd_suspend(struct w100fb_par *wfb)
444{
445 sony_lcd_off();
446}
447
448static void w3220_lcd_resume(struct w100fb_par *wfb)
449{
450 sony_lcd_init();
451}
452#else
453#define w3220_lcd_resume NULL
454#define w3220_lcd_suspend NULL
455#endif
456
457static struct w100_tg_info w3220_tg_info = {
458 .suspend = w3220_lcd_suspend,
459 .resume = w3220_lcd_resume,
460};
461
462/* W3220_VGA QVGA */
463static struct w100_gen_regs w3220_regs = {
464 .lcd_format = 0x00000003,
465 .lcdd_cntl1 = 0x00000000,
466 .lcdd_cntl2 = 0x0003ffff,
467 .genlcd_cntl1 = 0x00abf003, /* 0x00fff003 */
468 .genlcd_cntl2 = 0x00000003,
469 .genlcd_cntl3 = 0x000102aa,
470};
471
472static struct w100_mode w3220_modes[] = {
473{
474 .xres = 480,
475 .yres = 640,
476 .left_margin = 15,
477 .right_margin = 16,
478 .upper_margin = 8,
479 .lower_margin = 7,
480 .crtc_ss = 0x00000000,
481 .crtc_ls = 0xa1ff01f9, /* 0x21ff01f9 */
482 .crtc_gs = 0xc0000000, /* 0x40000000 */
483 .crtc_vpos_gs = 0x0000028f,
484 .crtc_ps1_active = 0x00000000, /* 0x41060010 */
485 .crtc_rev = 0,
486 .crtc_dclk = 0x80000000,
487 .crtc_gclk = 0x040a0104,
488 .crtc_goe = 0,
489 .pll_freq = 95,
490 .pixclk_divider = 4,
491 .pixclk_divider_rotated = 4,
492 .pixclk_src = CLK_SRC_PLL,
493 .sysclk_divider = 0,
494 .sysclk_src = CLK_SRC_PLL,
495},
496{
497 .xres = 240,
498 .yres = 320,
499 .left_margin = 9,
500 .right_margin = 8,
501 .upper_margin = 5,
502 .lower_margin = 4,
503 .crtc_ss = 0x80150014,
504 .crtc_ls = 0xa0fb00f7,
505 .crtc_gs = 0xc0080007,
506 .crtc_vpos_gs = 0x00080007,
507 .crtc_rev = 0x0000000a,
508 .crtc_dclk = 0x81700030,
509 .crtc_gclk = 0x8015010f,
510 .crtc_goe = 0x00000000,
511 .pll_freq = 95,
512 .pixclk_divider = 4,
513 .pixclk_divider_rotated = 4,
514 .pixclk_src = CLK_SRC_PLL,
515 .sysclk_divider = 0,
516 .sysclk_src = CLK_SRC_PLL,
517},
518};
519
520struct w100_mem_info w3220_mem_info = {
521 .ext_cntl = 0x09640011,
522 .sdram_mode_reg = 0x00600021,
523 .ext_timing_cntl = 0x1a001545, /* 0x15001545 */
524 .io_cntl = 0x7ddd7333,
525 .size = 0x1fffff,
526};
527
528struct w100_bm_mem_info w3220_bm_mem_info = {
529 .ext_mem_bw = 0x50413e01,
530 .offset = 0,
531 .ext_timing_ctl = 0x00043f7f,
532 .ext_cntl = 0x00000010,
533 .mode_reg = 0x00250000,
534 .io_cntl = 0x0fff0000,
535 .config = 0x08301480,
536};
537
538static struct w100_gpio_regs w3220_gpio_info = {
539 .init_data1 = 0xdfe00100, /* GPIO_DATA */
540 .gpio_dir1 = 0xffff0000, /* GPIO_CNTL1 */
541 .gpio_oe1 = 0x00000000, /* GPIO_CNTL2 */
542 .init_data2 = 0x00000000, /* GPIO_DATA2 */
543 .gpio_dir2 = 0x00000000, /* GPIO_CNTL3 */
544 .gpio_oe2 = 0x00000000, /* GPIO_CNTL4 */
545};
546
547static struct w100fb_mach_info w3220_info = {
548 .tg = &w3220_tg_info,
549 .mem = &w3220_mem_info,
550 .bm_mem = &w3220_bm_mem_info,
551 .gpio = &w3220_gpio_info,
552 .regs = &w3220_regs,
553 .modelist = w3220_modes,
554 .num_modes = 2,
555 .xtal_freq = 16000000,
556};
557
558static struct resource w3220_resources[] = {
559 [0] = {
560 .start = ATI_W3220_PHYS,
561 .end = ATI_W3220_PHYS + 0x00ffffff,
562 .flags = IORESOURCE_MEM,
563 },
564};
565
566static struct platform_device w3220 = {
567 .name = "w100fb",
568 .id = -1,
569 .dev = {
570 .platform_data = &w3220_info,
571 },
572 .num_resources = ARRAY_SIZE(w3220_resources),
573 .resource = w3220_resources,
574};
575
576/*
577 * Backlight
578 */
579
580static struct platform_pwm_backlight_data backlight_data = {
581 .pwm_id = 1,
582 .max_brightness = 200,
583 .dft_brightness = 100,
584 .pwm_period_ns = 30923,
585};
586
587static struct platform_device backlight = {
588 .name = "pwm-backlight",
589 .id = -1,
590 .dev = {
591 .parent = &pxa27x_device_pwm1.dev,
592 .platform_data = &backlight_data,
593 },
594};
595
596/*
597 * USB "Transceiver"
598 */
599
600static struct gpio_vbus_mach_info gpio_vbus_info = {
601 .gpio_pullup = GPIO76_HX4700_USBC_PUEN,
602 .gpio_vbus = GPIOD14_nUSBC_DETECT,
603 .gpio_vbus_inverted = 1,
604};
605
606static struct platform_device gpio_vbus = {
607 .name = "gpio-vbus",
608 .id = -1,
609 .dev = {
610 .platform_data = &gpio_vbus_info,
611 },
612};
613
614/*
615 * Touchscreen - TSC2046 connected to SSP2
616 */
617
618static const struct ads7846_platform_data tsc2046_info = {
619 .model = 7846,
620 .vref_delay_usecs = 100,
621 .pressure_max = 512,
622 .debounce_max = 10,
623 .debounce_tol = 3,
624 .debounce_rep = 1,
625 .gpio_pendown = GPIO58_HX4700_TSC2046_nPENIRQ,
626};
627
628static struct pxa2xx_spi_chip tsc2046_chip = {
629 .tx_threshold = 1,
630 .rx_threshold = 2,
631 .timeout = 64,
632 .gpio_cs = GPIO88_HX4700_TSC2046_CS,
633};
634
635static struct spi_board_info tsc2046_board_info[] __initdata = {
636 {
637 .modalias = "ads7846",
638 .bus_num = 2,
639 .max_speed_hz = 2600000, /* 100 kHz sample rate */
640 .irq = gpio_to_irq(GPIO58_HX4700_TSC2046_nPENIRQ),
641 .platform_data = &tsc2046_info,
642 .controller_data = &tsc2046_chip,
643 },
644};
645
646static struct pxa2xx_spi_master pxa_ssp2_master_info = {
647 .num_chipselect = 1,
648 .clock_enable = CKEN_SSP2,
649 .enable_dma = 1,
650};
651
652/*
653 * External power
654 */
655
656static int power_supply_init(struct device *dev)
657{
658 return gpio_request(GPIOD9_nAC_IN, "AC charger detect");
659}
660
661static int hx4700_is_ac_online(void)
662{
663 return !gpio_get_value(GPIOD9_nAC_IN);
664}
665
666static void power_supply_exit(struct device *dev)
667{
668 gpio_free(GPIOD9_nAC_IN);
669}
670
671static char *hx4700_supplicants[] = {
672 "ds2760-battery.0", "backup-battery"
673};
674
675static struct pda_power_pdata power_supply_info = {
676 .init = power_supply_init,
677 .is_ac_online = hx4700_is_ac_online,
678 .exit = power_supply_exit,
679 .supplied_to = hx4700_supplicants,
680 .num_supplicants = ARRAY_SIZE(hx4700_supplicants),
681};
682
683static struct resource power_supply_resources[] = {
684 [0] = {
685 .name = "ac",
686 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
687 IORESOURCE_IRQ_LOWEDGE,
688 .start = gpio_to_irq(GPIOD9_nAC_IN),
689 .end = gpio_to_irq(GPIOD9_nAC_IN),
690 },
691 [1] = {
692 .name = "usb",
693 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
694 IORESOURCE_IRQ_LOWEDGE,
695 .start = gpio_to_irq(GPIOD14_nUSBC_DETECT),
696 .end = gpio_to_irq(GPIOD14_nUSBC_DETECT),
697 },
698};
699
700static struct platform_device power_supply = {
701 .name = "pda-power",
702 .id = -1,
703 .dev = {
704 .platform_data = &power_supply_info,
705 },
706 .resource = power_supply_resources,
707 .num_resources = ARRAY_SIZE(power_supply_resources),
708};
709
710/*
711 * Battery charger
712 */
713
714static struct regulator_consumer_supply bq24022_consumers[] = {
715 {
716 .dev = &gpio_vbus.dev,
717 .supply = "vbus_draw",
718 },
719 {
720 .dev = &power_supply.dev,
721 .supply = "ac_draw",
722 },
723};
724
725static struct regulator_init_data bq24022_init_data = {
726 .constraints = {
727 .max_uA = 500000,
728 .valid_ops_mask = REGULATOR_CHANGE_CURRENT,
729 },
730 .num_consumer_supplies = ARRAY_SIZE(bq24022_consumers),
731 .consumer_supplies = bq24022_consumers,
732};
733
734static struct bq24022_mach_info bq24022_info = {
735 .gpio_nce = GPIO72_HX4700_BQ24022_nCHARGE_EN,
736 .gpio_iset2 = GPIO96_HX4700_BQ24022_ISET2,
737 .init_data = &bq24022_init_data,
738};
739
740static struct platform_device bq24022 = {
741 .name = "bq24022",
742 .id = -1,
743 .dev = {
744 .platform_data = &bq24022_info,
745 },
746};
747
748/*
749 * StrataFlash
750 */
751
752static void hx4700_set_vpp(struct map_info *map, int vpp)
753{
754 gpio_set_value(GPIO91_HX4700_FLASH_VPEN, vpp);
755}
756
757static struct resource strataflash_resource = {
758 .start = PXA_CS0_PHYS,
759 .end = PXA_CS0_PHYS + SZ_128M - 1,
760 .flags = IORESOURCE_MEM,
761};
762
763static struct physmap_flash_data strataflash_data = {
764 .width = 4,
765 .set_vpp = hx4700_set_vpp,
766};
767
768static struct platform_device strataflash = {
769 .name = "physmap-flash",
770 .id = -1,
771 .resource = &strataflash_resource,
772 .num_resources = 1,
773 .dev = {
774 .platform_data = &strataflash_data,
775 },
776};
777
6ea0414f
PZ		 778/*
779 * Maxim MAX1587A on PI2C
780 */
781
782static struct regulator_consumer_supply max1587a_consumer = {
783 .supply = "vcc_core",
784};
785
786static struct regulator_init_data max1587a_v3_info = {
787 .constraints = {
788 .name = "vcc_core range",
789 .min_uV = 900000,
790 .max_uV = 1705000,
791 .always_on = 1,
792 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
793 },
794 .num_consumer_supplies = 1,
795 .consumer_supplies = &max1587a_consumer,
796};
797
798static struct max1586_subdev_data max1587a_subdev = {
799 .name = "vcc_core",
800 .id = MAX1586_V3,
801 .platform_data = &max1587a_v3_info,
802};
803
804static struct max1586_platform_data max1587a_info = {
805 .num_subdevs = 1,
806 .subdevs = &max1587a_subdev,
807 .v3_gain = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
808};
809
810static struct i2c_board_info __initdata pi2c_board_info[] = {
811 {
812 I2C_BOARD_INFO("max1586", 0x14),
813 .platform_data = &max1587a_info,
814 },
815};
816
d3ca1952
PZ		 817/*
818 * PCMCIA
819 */
820
821static struct platform_device pcmcia = {
822 .name = "hx4700-pcmcia",
823 .dev = {
824 .parent = &asic3.dev,
825 },
826};
827
828/*
829 * Platform devices
830 */
831
832static struct platform_device *devices[] __initdata = {
833 &asic3,
834 &gpio_keys,
835 &backlight,
836 &w3220,
837 &egpio,
838 &bq24022,
839 &gpio_vbus,
840 &power_supply,
841 &strataflash,
842 &pcmcia,
843};
844
18473473 845static struct gpio_ress global_gpios[] = {
d3ca1952
PZ		 846 HX4700_GPIO_IN(GPIO12_HX4700_ASIC3_IRQ, "ASIC3_IRQ"),
847 HX4700_GPIO_IN(GPIO13_HX4700_W3220_IRQ, "W3220_IRQ"),
848 HX4700_GPIO_IN(GPIO14_HX4700_nWLAN_IRQ, "WLAN_IRQ"),
849 HX4700_GPIO_OUT(GPIO59_HX4700_LCD_PC1, 1, "LCD_PC1"),
850 HX4700_GPIO_OUT(GPIO62_HX4700_LCD_nRESET, 1, "LCD_RESET"),
851 HX4700_GPIO_OUT(GPIO70_HX4700_LCD_SLIN1, 1, "LCD_SLIN1"),
852 HX4700_GPIO_OUT(GPIO84_HX4700_LCD_SQN, 1, "LCD_SQN"),
853 HX4700_GPIO_OUT(GPIO110_HX4700_LCD_LVDD_3V3_ON, 1, "LCD_LVDD"),
854 HX4700_GPIO_OUT(GPIO111_HX4700_LCD_AVDD_3V3_ON, 1, "LCD_AVDD"),
855 HX4700_GPIO_OUT(GPIO32_HX4700_RS232_ON, 1, "RS232_ON"),
856 HX4700_GPIO_OUT(GPIO71_HX4700_ASIC3_nRESET, 1, "ASIC3_nRESET"),
857 HX4700_GPIO_OUT(GPIO82_HX4700_EUART_RESET, 1, "EUART_RESET"),
858 HX4700_GPIO_OUT(GPIO105_HX4700_nIR_ON, 1, "nIR_EN"),
859};
860
861static void __init hx4700_init(void)
862{
863 pxa2xx_mfp_config(ARRAY_AND_SIZE(hx4700_pin_config));
864 hx4700_gpio_request(ARRAY_AND_SIZE(global_gpios));
865
866 platform_add_devices(devices, ARRAY_SIZE(devices));
867
868 pxa_set_ficp_info(&ficp_info);
869 pxa27x_set_i2c_power_info(NULL);
870 pxa_set_i2c_info(NULL);
6ea0414f 871 i2c_register_board_info(1, ARRAY_AND_SIZE(pi2c_board_info));
d3ca1952
PZ		 872 pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
873 spi_register_board_info(ARRAY_AND_SIZE(tsc2046_board_info));
874
875 hx4700_lcd_device = lcd_device_register("w100fb", NULL,
876 (void *)&w3220_info, &hx4700_lcd_ops);
877
878 gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 0);
879 mdelay(10);
880 gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 1);
881 mdelay(10);
882}
883
884MACHINE_START(H4700, "HP iPAQ HX4700")
885 .phys_io = 0x40000000,
886 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
887 .boot_params = 0xa0000100,
888 .map_io = pxa_map_io,
889 .init_irq = pxa27x_init_irq,
890 .init_machine = hx4700_init,
891 .timer = &pxa_timer,
892MACHINE_END
Linux kernel - Deliverables
This page took 0.085062 seconds and 5 git commands to generate.