Merge tag 'arm-newsoc-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
[linux-2.6-microblaze.git] / arch / arm / mach-pxa / hx4700.c
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
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
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
402 static void w3220_lcd_suspend(struct w100fb_par *wfb)
403 {
404         sony_lcd_off();
405 }
406
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
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
642 static int power_supply_init(struct device *dev)
643 {
644         return gpio_request(GPIOD9_nAC_IN, "AC charger detect");
645 }
646
647 static int hx4700_is_ac_online(void)
648 {
649         return !gpio_get_value(GPIOD9_nAC_IN);
650 }
651
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
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
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