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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/usb/gpio_vbus.h>
38#include <linux/platform_data/i2c-pxa.h>
39
40#include <mach/hardware.h>
41#include <asm/mach-types.h>
42#include <asm/mach/arch.h>
43
44#include "pxa27x.h"
45#include <mach/hx4700.h>
46#include <linux/platform_data/irda-pxaficp.h>
47
48#include <sound/ak4641.h>
49#include <video/platform_lcd.h>
50#include <video/w100fb.h>
51
52#include "devices.h"
53#include "generic.h"
54#include "udc.h"
55
56/* Physical address space information */
57
58#define ATI_W3220_PHYS PXA_CS2_PHYS /* ATI Imageon 3220 Graphics */
59#define ASIC3_PHYS PXA_CS3_PHYS
60#define ASIC3_SD_PHYS (PXA_CS3_PHYS + 0x02000000)
61
62static unsigned long hx4700_pin_config[] __initdata = {
63
64 /* SDRAM and Static Memory I/O Signals */
65 GPIO20_nSDCS_2,
66 GPIO21_nSDCS_3,
67 GPIO15_nCS_1,
68 GPIO78_nCS_2, /* W3220 */
69 GPIO79_nCS_3, /* ASIC3 */
70 GPIO80_nCS_4,
71 GPIO33_nCS_5, /* EGPIO, WLAN */
72
73 /* PC CARD */
74 GPIO48_nPOE,
75 GPIO49_nPWE,
76 GPIO50_nPIOR,
77 GPIO51_nPIOW,
78 GPIO54_nPCE_2,
79 GPIO55_nPREG,
80 GPIO56_nPWAIT,
81 GPIO57_nIOIS16,
82 GPIO85_nPCE_1,
83 GPIO104_PSKTSEL,
84
85 /* I2C */
86 GPIO117_I2C_SCL,
87 GPIO118_I2C_SDA,
88
89 /* FFUART (RS-232) */
90 GPIO34_FFUART_RXD,
91 GPIO35_FFUART_CTS,
92 GPIO36_FFUART_DCD,
93 GPIO37_FFUART_DSR,
94 GPIO38_FFUART_RI,
95 GPIO39_FFUART_TXD,
96 GPIO40_FFUART_DTR,
97 GPIO41_FFUART_RTS,
98
99 /* BTUART */
100 GPIO42_BTUART_RXD,
101 GPIO43_BTUART_TXD_LPM_LOW,
102 GPIO44_BTUART_CTS,
103 GPIO45_BTUART_RTS_LPM_LOW,
104
105 /* STUART (IRDA) */
106 GPIO46_STUART_RXD,
107 GPIO47_STUART_TXD,
108
109 /* PWM 1 (Backlight) */
110 GPIO17_PWM1_OUT,
111
112 /* I2S */
113 GPIO28_I2S_BITCLK_OUT,
114 GPIO29_I2S_SDATA_IN,
115 GPIO30_I2S_SDATA_OUT,
116 GPIO31_I2S_SYNC,
117 GPIO113_I2S_SYSCLK,
118
119 /* SSP 1 (NavPoint) */
120 GPIO23_SSP1_SCLK_IN,
121 GPIO24_SSP1_SFRM,
122 GPIO25_SSP1_TXD,
123 GPIO26_SSP1_RXD,
124
125 /* SSP 2 (TSC2046) */
126 GPIO19_SSP2_SCLK,
127 GPIO86_SSP2_RXD,
128 GPIO87_SSP2_TXD,
129 GPIO88_GPIO | MFP_LPM_DRIVE_HIGH, /* TSC2046_CS */
130
131 /* BQ24022 Regulator */
132 GPIO72_GPIO | MFP_LPM_KEEP_OUTPUT, /* BQ24022_nCHARGE_EN */
133 GPIO96_GPIO | MFP_LPM_KEEP_OUTPUT, /* BQ24022_ISET2 */
134
135 /* HX4700 specific input GPIOs */
136 GPIO12_GPIO | WAKEUP_ON_EDGE_RISE, /* ASIC3_IRQ */
137 GPIO13_GPIO, /* W3220_IRQ */
138 GPIO14_GPIO, /* nWLAN_IRQ */
139
140 /* HX4700 specific output GPIOs */
141 GPIO61_GPIO | MFP_LPM_DRIVE_HIGH, /* W3220_nRESET */
142 GPIO71_GPIO | MFP_LPM_DRIVE_HIGH, /* ASIC3_nRESET */
143 GPIO81_GPIO | MFP_LPM_DRIVE_HIGH, /* CPU_GP_nRESET */
144 GPIO116_GPIO | MFP_LPM_DRIVE_HIGH, /* CPU_HW_nRESET */
145 GPIO102_GPIO | MFP_LPM_DRIVE_LOW, /* SYNAPTICS_POWER_ON */
146
147 GPIO10_GPIO, /* GSM_IRQ */
148 GPIO13_GPIO, /* CPLD_IRQ */
149 GPIO107_GPIO, /* DS1WM_IRQ */
150 GPIO108_GPIO, /* GSM_READY */
151 GPIO58_GPIO, /* TSC2046_nPENIRQ */
152 GPIO66_GPIO, /* nSDIO_IRQ */
153};
154
155/*
156 * IRDA
157 */
158
159static struct pxaficp_platform_data ficp_info = {
160 .gpio_pwdown = GPIO105_HX4700_nIR_ON,
161 .transceiver_cap = IR_SIRMODE | IR_OFF,
162};
163
164/*
165 * GPIO Keys
166 */
167
168#define INIT_KEY(_code, _gpio, _active_low, _desc) \
169 { \
170 .code = KEY_##_code, \
171 .gpio = _gpio, \
172 .active_low = _active_low, \
173 .desc = _desc, \
174 .type = EV_KEY, \
175 .wakeup = 1, \
176 }
177
178static struct gpio_keys_button gpio_keys_buttons[] = {
179 INIT_KEY(POWER, GPIO0_HX4700_nKEY_POWER, 1, "Power button"),
180 INIT_KEY(MAIL, GPIO94_HX4700_KEY_MAIL, 0, "Mail button"),
181 INIT_KEY(ADDRESSBOOK, GPIO99_HX4700_KEY_CONTACTS,0, "Contacts button"),
182 INIT_KEY(RECORD, GPIOD6_nKEY_RECORD, 1, "Record button"),
183 INIT_KEY(CALENDAR, GPIOD1_nKEY_CALENDAR, 1, "Calendar button"),
184 INIT_KEY(HOMEPAGE, GPIOD3_nKEY_HOME, 1, "Home button"),
185};
186
187static struct gpio_keys_platform_data gpio_keys_data = {
188 .buttons = gpio_keys_buttons,
189 .nbuttons = ARRAY_SIZE(gpio_keys_buttons),
190};
191
192static struct platform_device gpio_keys = {
193 .name = "gpio-keys",
194 .dev = {
195 .platform_data = &gpio_keys_data,
196 },
197 .id = -1,
198};
199
200/*
201 * Synaptics NavPoint connected to SSP1
202 */
203
204static struct navpoint_platform_data navpoint_platform_data = {
205 .port = 1,
206 .gpio = GPIO102_HX4700_SYNAPTICS_POWER_ON,
207};
208
209static struct platform_device navpoint = {
210 .name = "navpoint",
211 .id = -1,
212 .dev = {
213 .platform_data = &navpoint_platform_data,
214 },
215};
216
217/*
218 * ASIC3
219 */
220
221static u16 asic3_gpio_config[] = {
222 /* ASIC3 GPIO banks A and B along with some of C and D
223 implement the buffering for the CF slot. */
224 ASIC3_CONFIG_GPIO(0, 1, 1, 0),
225 ASIC3_CONFIG_GPIO(1, 1, 1, 0),
226 ASIC3_CONFIG_GPIO(2, 1, 1, 0),
227 ASIC3_CONFIG_GPIO(3, 1, 1, 0),
228 ASIC3_CONFIG_GPIO(4, 1, 1, 0),
229 ASIC3_CONFIG_GPIO(5, 1, 1, 0),
230 ASIC3_CONFIG_GPIO(6, 1, 1, 0),
231 ASIC3_CONFIG_GPIO(7, 1, 1, 0),
232 ASIC3_CONFIG_GPIO(8, 1, 1, 0),
233 ASIC3_CONFIG_GPIO(9, 1, 1, 0),
234 ASIC3_CONFIG_GPIO(10, 1, 1, 0),
235 ASIC3_CONFIG_GPIO(11, 1, 1, 0),
236 ASIC3_CONFIG_GPIO(12, 1, 1, 0),
237 ASIC3_CONFIG_GPIO(13, 1, 1, 0),
238 ASIC3_CONFIG_GPIO(14, 1, 1, 0),
239 ASIC3_CONFIG_GPIO(15, 1, 1, 0),
240
241 ASIC3_CONFIG_GPIO(16, 1, 1, 0),
242 ASIC3_CONFIG_GPIO(17, 1, 1, 0),
243 ASIC3_CONFIG_GPIO(18, 1, 1, 0),
244 ASIC3_CONFIG_GPIO(19, 1, 1, 0),
245 ASIC3_CONFIG_GPIO(20, 1, 1, 0),
246 ASIC3_CONFIG_GPIO(21, 1, 1, 0),
247 ASIC3_CONFIG_GPIO(22, 1, 1, 0),
248 ASIC3_CONFIG_GPIO(23, 1, 1, 0),
249 ASIC3_CONFIG_GPIO(24, 1, 1, 0),
250 ASIC3_CONFIG_GPIO(25, 1, 1, 0),
251 ASIC3_CONFIG_GPIO(26, 1, 1, 0),
252 ASIC3_CONFIG_GPIO(27, 1, 1, 0),
253 ASIC3_CONFIG_GPIO(28, 1, 1, 0),
254 ASIC3_CONFIG_GPIO(29, 1, 1, 0),
255 ASIC3_CONFIG_GPIO(30, 1, 1, 0),
256 ASIC3_CONFIG_GPIO(31, 1, 1, 0),
257
258 /* GPIOC - CF, LEDs, SD */
259 ASIC3_GPIOC0_LED0, /* red */
260 ASIC3_GPIOC1_LED1, /* green */
261 ASIC3_GPIOC2_LED2, /* blue */
262 ASIC3_GPIOC5_nCIOW,
263 ASIC3_GPIOC6_nCIOR,
264 ASIC3_GPIOC7_nPCE_1,
265 ASIC3_GPIOC8_nPCE_2,
266 ASIC3_GPIOC9_nPOE,
267 ASIC3_GPIOC10_nPWE,
268 ASIC3_GPIOC11_PSKTSEL,
269 ASIC3_GPIOC12_nPREG,
270 ASIC3_GPIOC13_nPWAIT,
271 ASIC3_GPIOC14_nPIOIS16,
272 ASIC3_GPIOC15_nPIOR,
273
274 /* GPIOD: input GPIOs, CF */
275 ASIC3_GPIOD4_CF_nCD,
276 ASIC3_GPIOD11_nCIOIS16,
277 ASIC3_GPIOD12_nCWAIT,
278 ASIC3_GPIOD15_nPIOW,
279};
280
281static struct asic3_led asic3_leds[ASIC3_NUM_LEDS] = {
282 [0] = {
283 .name = "hx4700:amber",
284 .default_trigger = "ds2760-battery.0-charging-blink-full-solid",
285 },
286 [1] = {
287 .name = "hx4700:green",
288 .default_trigger = "unused",
289 },
290 [2] = {
291 .name = "hx4700:blue",
292 .default_trigger = "hx4700-radio",
293 },
294};
295
296static struct resource asic3_resources[] = {
297 /* GPIO part */
298 [0] = DEFINE_RES_MEM(ASIC3_PHYS, ASIC3_MAP_SIZE_16BIT),
299 [1] = DEFINE_RES_IRQ(PXA_GPIO_TO_IRQ(GPIO12_HX4700_ASIC3_IRQ)),
300 /* SD part */
301 [2] = DEFINE_RES_MEM(ASIC3_SD_PHYS, ASIC3_MAP_SIZE_16BIT),
302 [3] = DEFINE_RES_IRQ(PXA_GPIO_TO_IRQ(GPIO66_HX4700_ASIC3_nSDIO_IRQ)),
303};
304
305static struct asic3_platform_data asic3_platform_data = {
306 .gpio_config = asic3_gpio_config,
307 .gpio_config_num = ARRAY_SIZE(asic3_gpio_config),
308 .irq_base = IRQ_BOARD_START,
309 .gpio_base = HX4700_ASIC3_GPIO_BASE,
310 .clock_rate = 4000000,
311 .leds = asic3_leds,
312};
313
314static struct platform_device asic3 = {
315 .name = "asic3",
316 .id = -1,
317 .resource = asic3_resources,
318 .num_resources = ARRAY_SIZE(asic3_resources),
319 .dev = {
320 .platform_data = &asic3_platform_data,
321 },
322};
323
324/*
325 * EGPIO
326 */
327
328static struct resource egpio_resources[] = {
329 [0] = DEFINE_RES_MEM(PXA_CS5_PHYS, 0x4),
330};
331
332static struct htc_egpio_chip egpio_chips[] = {
333 [0] = {
334 .reg_start = 0,
335 .gpio_base = HX4700_EGPIO_BASE,
336 .num_gpios = 8,
337 .direction = HTC_EGPIO_OUTPUT,
338 },
339};
340
341static struct htc_egpio_platform_data egpio_info = {
342 .reg_width = 16,
343 .bus_width = 16,
344 .chip = egpio_chips,
345 .num_chips = ARRAY_SIZE(egpio_chips),
346};
347
348static struct platform_device egpio = {
349 .name = "htc-egpio",
350 .id = -1,
351 .resource = egpio_resources,
352 .num_resources = ARRAY_SIZE(egpio_resources),
353 .dev = {
354 .platform_data = &egpio_info,
355 },
356};
357
358/*
359 * LCD - Sony display connected to ATI Imageon w3220
360 */
361
362static void sony_lcd_init(void)
363{
364 gpio_set_value(GPIO84_HX4700_LCD_SQN, 1);
365 gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
366 gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
367 gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 0);
368 gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
369 mdelay(10);
370 gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
371 gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
372 mdelay(20);
373
374 gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 1);
375 mdelay(5);
376 gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 1);
377
378 /* FIXME: init w3220 registers here */
379
380 mdelay(5);
381 gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 1);
382 mdelay(10);
383 gpio_set_value(GPIO62_HX4700_LCD_nRESET, 1);
384 mdelay(10);
385 gpio_set_value(GPIO59_HX4700_LCD_PC1, 1);
386 mdelay(10);
387 gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 1);
388}
389
390static void sony_lcd_off(void)
391{
392 gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
393 gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
394 mdelay(10);
395 gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 0);
396 mdelay(10);
397 gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
398 mdelay(10);
399 gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
400}
401
402#ifdef CONFIG_PM
403static void w3220_lcd_suspend(struct w100fb_par *wfb)
404{
405 sony_lcd_off();
406}
407
408static void w3220_lcd_resume(struct w100fb_par *wfb)
409{
410 sony_lcd_init();
411}
412#else
413#define w3220_lcd_resume NULL
414#define w3220_lcd_suspend NULL
415#endif
416
417static struct w100_tg_info w3220_tg_info = {
418 .suspend = w3220_lcd_suspend,
419 .resume = w3220_lcd_resume,
420};
421
422/* W3220_VGA QVGA */
423static struct w100_gen_regs w3220_regs = {
424 .lcd_format = 0x00000003,
425 .lcdd_cntl1 = 0x00000000,
426 .lcdd_cntl2 = 0x0003ffff,
427 .genlcd_cntl1 = 0x00abf003, /* 0x00fff003 */
428 .genlcd_cntl2 = 0x00000003,
429 .genlcd_cntl3 = 0x000102aa,
430};
431
432static struct w100_mode w3220_modes[] = {
433{
434 .xres = 480,
435 .yres = 640,
436 .left_margin = 15,
437 .right_margin = 16,
438 .upper_margin = 8,
439 .lower_margin = 7,
440 .crtc_ss = 0x00000000,
441 .crtc_ls = 0xa1ff01f9, /* 0x21ff01f9 */
442 .crtc_gs = 0xc0000000, /* 0x40000000 */
443 .crtc_vpos_gs = 0x0000028f,
444 .crtc_ps1_active = 0x00000000, /* 0x41060010 */
445 .crtc_rev = 0,
446 .crtc_dclk = 0x80000000,
447 .crtc_gclk = 0x040a0104,
448 .crtc_goe = 0,
449 .pll_freq = 95,
450 .pixclk_divider = 4,
451 .pixclk_divider_rotated = 4,
452 .pixclk_src = CLK_SRC_PLL,
453 .sysclk_divider = 0,
454 .sysclk_src = CLK_SRC_PLL,
455},
456{
457 .xres = 240,
458 .yres = 320,
459 .left_margin = 9,
460 .right_margin = 8,
461 .upper_margin = 5,
462 .lower_margin = 4,
463 .crtc_ss = 0x80150014,
464 .crtc_ls = 0xa0fb00f7,
465 .crtc_gs = 0xc0080007,
466 .crtc_vpos_gs = 0x00080007,
467 .crtc_rev = 0x0000000a,
468 .crtc_dclk = 0x81700030,
469 .crtc_gclk = 0x8015010f,
470 .crtc_goe = 0x00000000,
471 .pll_freq = 95,
472 .pixclk_divider = 4,
473 .pixclk_divider_rotated = 4,
474 .pixclk_src = CLK_SRC_PLL,
475 .sysclk_divider = 0,
476 .sysclk_src = CLK_SRC_PLL,
477},
478};
479
480struct w100_mem_info w3220_mem_info = {
481 .ext_cntl = 0x09640011,
482 .sdram_mode_reg = 0x00600021,
483 .ext_timing_cntl = 0x1a001545, /* 0x15001545 */
484 .io_cntl = 0x7ddd7333,
485 .size = 0x1fffff,
486};
487
488struct w100_bm_mem_info w3220_bm_mem_info = {
489 .ext_mem_bw = 0x50413e01,
490 .offset = 0,
491 .ext_timing_ctl = 0x00043f7f,
492 .ext_cntl = 0x00000010,
493 .mode_reg = 0x00250000,
494 .io_cntl = 0x0fff0000,
495 .config = 0x08301480,
496};
497
498static struct w100_gpio_regs w3220_gpio_info = {
499 .init_data1 = 0xdfe00100, /* GPIO_DATA */
500 .gpio_dir1 = 0xffff0000, /* GPIO_CNTL1 */
501 .gpio_oe1 = 0x00000000, /* GPIO_CNTL2 */
502 .init_data2 = 0x00000000, /* GPIO_DATA2 */
503 .gpio_dir2 = 0x00000000, /* GPIO_CNTL3 */
504 .gpio_oe2 = 0x00000000, /* GPIO_CNTL4 */
505};
506
507static struct w100fb_mach_info w3220_info = {
508 .tg = &w3220_tg_info,
509 .mem = &w3220_mem_info,
510 .bm_mem = &w3220_bm_mem_info,
511 .gpio = &w3220_gpio_info,
512 .regs = &w3220_regs,
513 .modelist = w3220_modes,
514 .num_modes = 2,
515 .xtal_freq = 16000000,
516};
517
518static struct resource w3220_resources[] = {
519 [0] = DEFINE_RES_MEM(ATI_W3220_PHYS, SZ_16M),
520};
521
522static struct platform_device w3220 = {
523 .name = "w100fb",
524 .id = -1,
525 .dev = {
526 .platform_data = &w3220_info,
527 },
528 .num_resources = ARRAY_SIZE(w3220_resources),
529 .resource = w3220_resources,
530};
531
532static void hx4700_lcd_set_power(struct plat_lcd_data *pd, unsigned int power)
533{
534 if (power)
535 sony_lcd_init();
536 else
537 sony_lcd_off();
538}
539
540static struct plat_lcd_data hx4700_lcd_data = {
541 .set_power = hx4700_lcd_set_power,
542};
543
544static struct platform_device hx4700_lcd = {
545 .name = "platform-lcd",
546 .id = -1,
547 .dev = {
548 .platform_data = &hx4700_lcd_data,
549 .parent = &w3220.dev,
550 },
551};
552
553/*
554 * Backlight
555 */
556
557static struct platform_pwm_backlight_data backlight_data = {
558 .max_brightness = 200,
559 .dft_brightness = 100,
560 .enable_gpio = -1,
561};
562
563static struct platform_device backlight = {
564 .name = "pwm-backlight",
565 .id = -1,
566 .dev = {
567 .parent = &pxa27x_device_pwm1.dev,
568 .platform_data = &backlight_data,
569 },
570};
571
572static struct pwm_lookup hx4700_pwm_lookup[] = {
573 PWM_LOOKUP("pxa27x-pwm.1", 0, "pwm-backlight", NULL,
574 30923, PWM_POLARITY_NORMAL),
575};
576
577/*
578 * USB "Transceiver"
579 */
580
581static struct gpio_vbus_mach_info gpio_vbus_info = {
582 .gpio_pullup = GPIO76_HX4700_USBC_PUEN,
583 .gpio_vbus = GPIOD14_nUSBC_DETECT,
584 .gpio_vbus_inverted = 1,
585};
586
587static struct platform_device gpio_vbus = {
588 .name = "gpio-vbus",
589 .id = -1,
590 .dev = {
591 .platform_data = &gpio_vbus_info,
592 },
593};
594
595static struct pxa2xx_udc_mach_info hx4700_udc_info;
596
597/*
598 * Touchscreen - TSC2046 connected to SSP2
599 */
600
601static const struct ads7846_platform_data tsc2046_info = {
602 .model = 7846,
603 .vref_delay_usecs = 100,
604 .pressure_max = 1024,
605 .debounce_max = 10,
606 .debounce_tol = 3,
607 .debounce_rep = 1,
608 .gpio_pendown = GPIO58_HX4700_TSC2046_nPENIRQ,
609};
610
611static struct pxa2xx_spi_chip tsc2046_chip = {
612 .tx_threshold = 1,
613 .rx_threshold = 2,
614 .timeout = 64,
615 .gpio_cs = GPIO88_HX4700_TSC2046_CS,
616};
617
618static struct spi_board_info tsc2046_board_info[] __initdata = {
619 {
620 .modalias = "ads7846",
621 .bus_num = 2,
622 .max_speed_hz = 2600000, /* 100 kHz sample rate */
623 .irq = PXA_GPIO_TO_IRQ(GPIO58_HX4700_TSC2046_nPENIRQ),
624 .platform_data = &tsc2046_info,
625 .controller_data = &tsc2046_chip,
626 },
627};
628
629static struct pxa2xx_spi_controller pxa_ssp2_master_info = {
630 .num_chipselect = 1,
631 .enable_dma = 1,
632};
633
634/*
635 * External power
636 */
637
638static int power_supply_init(struct device *dev)
639{
640 return gpio_request(GPIOD9_nAC_IN, "AC charger detect");
641}
642
643static int hx4700_is_ac_online(void)
644{
645 return !gpio_get_value(GPIOD9_nAC_IN);
646}
647
648static void power_supply_exit(struct device *dev)
649{
650 gpio_free(GPIOD9_nAC_IN);
651}
652
653static char *hx4700_supplicants[] = {
654 "ds2760-battery.0", "backup-battery"
655};
656
657static struct pda_power_pdata power_supply_info = {
658 .init = power_supply_init,
659 .is_ac_online = hx4700_is_ac_online,
660 .exit = power_supply_exit,
661 .supplied_to = hx4700_supplicants,
662 .num_supplicants = ARRAY_SIZE(hx4700_supplicants),
663};
664
665static struct resource power_supply_resources[] = {
666 [0] = DEFINE_RES_NAMED(PXA_GPIO_TO_IRQ(GPIOD9_nAC_IN), 1, "ac",
667 IORESOURCE_IRQ |
668 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE),
669 [1] = DEFINE_RES_NAMED(PXA_GPIO_TO_IRQ(GPIOD14_nUSBC_DETECT), 1, "usb",
670 IORESOURCE_IRQ |
671 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE),
672};
673
674static struct platform_device power_supply = {
675 .name = "pda-power",
676 .id = -1,
677 .dev = {
678 .platform_data = &power_supply_info,
679 },
680 .resource = power_supply_resources,
681 .num_resources = ARRAY_SIZE(power_supply_resources),
682};
683
684/*
685 * Battery charger
686 */
687
688static struct regulator_consumer_supply bq24022_consumers[] = {
689 REGULATOR_SUPPLY("vbus_draw", NULL),
690 REGULATOR_SUPPLY("ac_draw", NULL),
691};
692
693static struct regulator_init_data bq24022_init_data = {
694 .constraints = {
695 .max_uA = 500000,
696 .valid_ops_mask = REGULATOR_CHANGE_CURRENT|REGULATOR_CHANGE_STATUS,
697 },
698 .num_consumer_supplies = ARRAY_SIZE(bq24022_consumers),
699 .consumer_supplies = bq24022_consumers,
700};
701
702static enum gpiod_flags bq24022_gpiod_gflags[] = { GPIOD_OUT_LOW };
703
704static struct gpio_regulator_state bq24022_states[] = {
705 { .value = 100000, .gpios = (0 << 0) },
706 { .value = 500000, .gpios = (1 << 0) },
707};
708
709static struct gpio_regulator_config bq24022_info = {
710 .supply_name = "bq24022",
711
712 .enabled_at_boot = 0,
713
714 .gflags = bq24022_gpiod_gflags,
715 .ngpios = ARRAY_SIZE(bq24022_gpiod_gflags),
716
717 .states = bq24022_states,
718 .nr_states = ARRAY_SIZE(bq24022_states),
719
720 .type = REGULATOR_CURRENT,
721 .init_data = &bq24022_init_data,
722};
723
724static struct platform_device bq24022 = {
725 .name = "gpio-regulator",
726 .id = -1,
727 .dev = {
728 .platform_data = &bq24022_info,
729 },
730};
731
732static struct gpiod_lookup_table bq24022_gpiod_table = {
733 .dev_id = "gpio-regulator",
734 .table = {
735 GPIO_LOOKUP("gpio-pxa", GPIO96_HX4700_BQ24022_ISET2,
736 NULL, GPIO_ACTIVE_HIGH),
737 GPIO_LOOKUP("gpio-pxa", GPIO72_HX4700_BQ24022_nCHARGE_EN,
738 "enable", GPIO_ACTIVE_LOW),
739 { },
740 },
741};
742
743/*
744 * StrataFlash
745 */
746
747static void hx4700_set_vpp(struct platform_device *pdev, int vpp)
748{
749 gpio_set_value(GPIO91_HX4700_FLASH_VPEN, vpp);
750}
751
752static struct resource strataflash_resource[] = {
753 [0] = DEFINE_RES_MEM(PXA_CS0_PHYS, SZ_64M),
754 [1] = DEFINE_RES_MEM(PXA_CS0_PHYS + SZ_64M, SZ_64M),
755};
756
757static struct physmap_flash_data strataflash_data = {
758 .width = 4,
759 .set_vpp = hx4700_set_vpp,
760};
761
762static struct platform_device strataflash = {
763 .name = "physmap-flash",
764 .id = -1,
765 .resource = strataflash_resource,
766 .num_resources = ARRAY_SIZE(strataflash_resource),
767 .dev = {
768 .platform_data = &strataflash_data,
769 },
770};
771
772/*
773 * Maxim MAX1587A on PI2C
774 */
775
776static struct regulator_consumer_supply max1587a_consumer =
777 REGULATOR_SUPPLY("vcc_core", NULL);
778
779static struct regulator_init_data max1587a_v3_info = {
780 .constraints = {
781 .name = "vcc_core range",
782 .min_uV = 900000,
783 .max_uV = 1705000,
784 .always_on = 1,
785 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
786 },
787 .num_consumer_supplies = 1,
788 .consumer_supplies = &max1587a_consumer,
789};
790
791static struct max1586_subdev_data max1587a_subdev = {
792 .name = "vcc_core",
793 .id = MAX1586_V3,
794 .platform_data = &max1587a_v3_info,
795};
796
797static struct max1586_platform_data max1587a_info = {
798 .num_subdevs = 1,
799 .subdevs = &max1587a_subdev,
800 .v3_gain = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
801};
802
803static struct i2c_board_info __initdata pi2c_board_info[] = {
804 {
805 I2C_BOARD_INFO("max1586", 0x14),
806 .platform_data = &max1587a_info,
807 },
808};
809
810/*
811 * Asahi Kasei AK4641 on I2C
812 */
813
814static struct ak4641_platform_data ak4641_info = {
815 .gpio_power = GPIO27_HX4700_CODEC_ON,
816 .gpio_npdn = GPIO109_HX4700_CODEC_nPDN,
817};
818
819static struct i2c_board_info i2c_board_info[] __initdata = {
820 {
821 I2C_BOARD_INFO("ak4641", 0x12),
822 .platform_data = &ak4641_info,
823 },
824};
825
826static struct platform_device audio = {
827 .name = "hx4700-audio",
828 .id = -1,
829};
830
831
832/*
833 * Platform devices
834 */
835
836static struct platform_device *devices[] __initdata = {
837 &asic3,
838 &gpio_keys,
839 &navpoint,
840 &backlight,
841 &w3220,
842 &hx4700_lcd,
843 &egpio,
844 &bq24022,
845 &gpio_vbus,
846 &power_supply,
847 &strataflash,
848 &audio,
849};
850
851static struct gpio global_gpios[] = {
852 { GPIO12_HX4700_ASIC3_IRQ, GPIOF_IN, "ASIC3_IRQ" },
853 { GPIO13_HX4700_W3220_IRQ, GPIOF_IN, "W3220_IRQ" },
854 { GPIO14_HX4700_nWLAN_IRQ, GPIOF_IN, "WLAN_IRQ" },
855 { GPIO59_HX4700_LCD_PC1, GPIOF_OUT_INIT_HIGH, "LCD_PC1" },
856 { GPIO62_HX4700_LCD_nRESET, GPIOF_OUT_INIT_HIGH, "LCD_RESET" },
857 { GPIO70_HX4700_LCD_SLIN1, GPIOF_OUT_INIT_HIGH, "LCD_SLIN1" },
858 { GPIO84_HX4700_LCD_SQN, GPIOF_OUT_INIT_HIGH, "LCD_SQN" },
859 { GPIO110_HX4700_LCD_LVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_LVDD" },
860 { GPIO111_HX4700_LCD_AVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_AVDD" },
861 { GPIO32_HX4700_RS232_ON, GPIOF_OUT_INIT_HIGH, "RS232_ON" },
862 { GPIO61_HX4700_W3220_nRESET, GPIOF_OUT_INIT_HIGH, "W3220_nRESET" },
863 { GPIO71_HX4700_ASIC3_nRESET, GPIOF_OUT_INIT_HIGH, "ASIC3_nRESET" },
864 { GPIO81_HX4700_CPU_GP_nRESET, GPIOF_OUT_INIT_HIGH, "CPU_GP_nRESET" },
865 { GPIO82_HX4700_EUART_RESET, GPIOF_OUT_INIT_HIGH, "EUART_RESET" },
866 { GPIO116_HX4700_CPU_HW_nRESET, GPIOF_OUT_INIT_HIGH, "CPU_HW_nRESET" },
867};
868
869static void __init hx4700_init(void)
870{
871 int ret;
872
873 PCFR = PCFR_GPR_EN | PCFR_OPDE;
874
875 pxa2xx_mfp_config(ARRAY_AND_SIZE(hx4700_pin_config));
876 gpio_set_wake(GPIO12_HX4700_ASIC3_IRQ, 1);
877 ret = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
878 if (ret)
879 pr_err ("hx4700: Failed to request GPIOs.\n");
880
881 pxa_set_ffuart_info(NULL);
882 pxa_set_btuart_info(NULL);
883 pxa_set_stuart_info(NULL);
884
885 gpiod_add_lookup_table(&bq24022_gpiod_table);
886 platform_add_devices(devices, ARRAY_SIZE(devices));
887 pwm_add_table(hx4700_pwm_lookup, ARRAY_SIZE(hx4700_pwm_lookup));
888
889 pxa_set_ficp_info(&ficp_info);
890 pxa27x_set_i2c_power_info(NULL);
891 pxa_set_i2c_info(NULL);
892 i2c_register_board_info(0, ARRAY_AND_SIZE(i2c_board_info));
893 i2c_register_board_info(1, ARRAY_AND_SIZE(pi2c_board_info));
894 pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
895 spi_register_board_info(ARRAY_AND_SIZE(tsc2046_board_info));
896
897 gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 0);
898 mdelay(10);
899 gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 1);
900 mdelay(10);
901
902 pxa_set_udc_info(&hx4700_udc_info);
903 regulator_has_full_constraints();
904}
905
906MACHINE_START(H4700, "HP iPAQ HX4700")
907 .atag_offset = 0x100,
908 .map_io = pxa27x_map_io,
909 .nr_irqs = HX4700_NR_IRQS,
910 .init_irq = pxa27x_init_irq,
911 .handle_irq = pxa27x_handle_irq,
912 .init_machine = hx4700_init,
913 .init_time = pxa_timer_init,
914 .restart = pxa_restart,
915MACHINE_END