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
61 static 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
158 static 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
177 static 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
186 static struct gpio_keys_platform_data gpio_keys_data = {
187 .buttons = gpio_keys_buttons,
188 .nbuttons = ARRAY_SIZE(gpio_keys_buttons),
189 };
190
191 static 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
203 static struct navpoint_platform_data navpoint_platform_data = {
204 .port = 1,
205 .gpio = GPIO102_HX4700_SYNAPTICS_POWER_ON,
206 };
207
208 static 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
220 static 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
280 static 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
295 static 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
304 static 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
313 static 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
327 static struct resource egpio_resources[] = {
328 [0] = DEFINE_RES_MEM(PXA_CS5_PHYS, 0x4),
329 };
330
331 static 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
340 static 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
347 static 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
sony_lcd_init(void)361 static 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
sony_lcd_off(void)389 static 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
w3220_lcd_suspend(struct w100fb_par * wfb)402 static void w3220_lcd_suspend(struct w100fb_par *wfb)
403 {
404 sony_lcd_off();
405 }
406
w3220_lcd_resume(struct w100fb_par * wfb)407 static 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
416 static struct w100_tg_info w3220_tg_info = {
417 .suspend = w3220_lcd_suspend,
418 .resume = w3220_lcd_resume,
419 };
420
421 /* W3220_VGA QVGA */
422 static 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
431 static 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
479 struct 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
487 struct 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
497 static 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
506 static 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
517 static struct resource w3220_resources[] = {
518 [0] = DEFINE_RES_MEM(ATI_W3220_PHYS, SZ_16M),
519 };
520
521 static 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
hx4700_lcd_set_power(struct plat_lcd_data * pd,unsigned int power)531 static 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
539 static struct plat_lcd_data hx4700_lcd_data = {
540 .set_power = hx4700_lcd_set_power,
541 };
542
543 static 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
556 static struct platform_pwm_backlight_data backlight_data = {
557 .max_brightness = 200,
558 .dft_brightness = 100,
559 };
560
561 static 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
570 static 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
579 static 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
594 static struct platform_device gpio_vbus = {
595 .name = "gpio-vbus",
596 .id = -1,
597 };
598
599 static struct pxa2xx_udc_mach_info hx4700_udc_info;
600
601 /*
602 * Touchscreen - TSC2046 connected to SSP2
603 */
604
605 static 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
615 static 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
622 static 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
633 static struct pxa2xx_spi_controller pxa_ssp2_master_info = {
634 .num_chipselect = 1,
635 .enable_dma = 1,
636 };
637
638 /*
639 * External power
640 */
641
power_supply_init(struct device * dev)642 static int power_supply_init(struct device *dev)
643 {
644 return gpio_request(GPIOD9_nAC_IN, "AC charger detect");
645 }
646
hx4700_is_ac_online(void)647 static int hx4700_is_ac_online(void)
648 {
649 return !gpio_get_value(GPIOD9_nAC_IN);
650 }
651
power_supply_exit(struct device * dev)652 static void power_supply_exit(struct device *dev)
653 {
654 gpio_free(GPIOD9_nAC_IN);
655 }
656
657 static char *hx4700_supplicants[] = {
658 "ds2760-battery.0", "backup-battery"
659 };
660
661 static 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
669 static 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
678 static 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
692 static struct regulator_consumer_supply bq24022_consumers[] = {
693 REGULATOR_SUPPLY("vbus_draw", NULL),
694 REGULATOR_SUPPLY("ac_draw", NULL),
695 };
696
697 static 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
706 static enum gpiod_flags bq24022_gpiod_gflags[] = { GPIOD_OUT_LOW };
707
708 static struct gpio_regulator_state bq24022_states[] = {
709 { .value = 100000, .gpios = (0 << 0) },
710 { .value = 500000, .gpios = (1 << 0) },
711 };
712
713 static 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
728 static struct platform_device bq24022 = {
729 .name = "gpio-regulator",
730 .id = -1,
731 .dev = {
732 .platform_data = &bq24022_info,
733 },
734 };
735
736 static 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
hx4700_set_vpp(struct platform_device * pdev,int vpp)751 static void hx4700_set_vpp(struct platform_device *pdev, int vpp)
752 {
753 gpio_set_value(GPIO91_HX4700_FLASH_VPEN, vpp);
754 }
755
756 static 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
761 static struct physmap_flash_data strataflash_data = {
762 .width = 4,
763 .set_vpp = hx4700_set_vpp,
764 };
765
766 static 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
780 static struct regulator_consumer_supply max1587a_consumer =
781 REGULATOR_SUPPLY("vcc_core", NULL);
782
783 static 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
795 static struct max1586_subdev_data max1587a_subdev = {
796 .name = "vcc_core",
797 .id = MAX1586_V3,
798 .platform_data = &max1587a_v3_info,
799 };
800
801 static 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
807 static 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
818 static struct ak4641_platform_data ak4641_info = {
819 .gpio_power = GPIO27_HX4700_CODEC_ON,
820 .gpio_npdn = GPIO109_HX4700_CODEC_nPDN,
821 };
822
823 static struct i2c_board_info i2c_board_info[] __initdata = {
824 {
825 I2C_BOARD_INFO("ak4641", 0x12),
826 .platform_data = &ak4641_info,
827 },
828 };
829
830 static struct platform_device audio = {
831 .name = "hx4700-audio",
832 .id = -1,
833 };
834
835
836 /*
837 * Platform devices
838 */
839
840 static 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
855 static 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
hx4700_init(void)873 static 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
911 MACHINE_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,
920 MACHINE_END
921