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Merge branches 'acpi-fan', 'acpi-video' and 'acpi-ec'
[mirror_ubuntu-focal-kernel.git] / arch / arm / mach-s3c24xx / mach-h1940.c
CommitLineData
232910d6 1/*
1da177e4
LT		 2 * Copyright (c) 2003-2005 Simtec Electronics
3 * Ben Dooks <ben@simtec.co.uk>
4 *
5 * http://www.handhelds.org/projects/h1940.html
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 *
1da177e4
LT		 11*/
12
13#include <linux/kernel.h>
14#include <linux/types.h>
15#include <linux/interrupt.h>
16#include <linux/list.h>
8d717a52 17#include <linux/memblock.h>
1da177e4
LT		 18#include <linux/timer.h>
19#include <linux/init.h>
edbaa603 20#include <linux/device.h>
b6d1f542 21#include <linux/serial_core.h>
334a1c70 22#include <linux/serial_s3c.h>
d052d1be 23#include <linux/platform_device.h>
fced80c7 24#include <linux/io.h>
3909b9f7 25#include <linux/gpio.h>
bbb1c832
AP		 26#include <linux/input.h>
27#include <linux/gpio_keys.h>
22e649ff 28#include <linux/pwm_backlight.h>
68730b45 29#include <linux/i2c.h>
50e2d10d 30#include <linux/leds.h>
a8e99850
VK		 31#include <linux/pda_power.h>
32#include <linux/s3c_adc_battery.h>
25d391cb 33#include <linux/delay.h>
50e2d10d 34
22e649ff 35#include <video/platform_lcd.h>
3909b9f7
AP		 36
37#include <linux/mmc/host.h>
dc28094b 38#include <linux/export.h>
1da177e4 39
232910d6
KK		 40#include <asm/irq.h>
41#include <asm/mach-types.h>
1da177e4
LT		 42#include <asm/mach/arch.h>
43#include <asm/mach/map.h>
44#include <asm/mach/irq.h>
45
232910d6
KK		 46#include <linux/platform_data/i2c-s3c2410.h>
47#include <linux/platform_data/mmc-s3cmci.h>
48#include <linux/platform_data/touchscreen-s3c2410.h>
49#include <linux/platform_data/usb-s3c2410_udc.h>
f92273c1 50
232910d6 51#include <sound/uda1380.h>
3909b9f7 52
a09e64fb 53#include <mach/fb.h>
232910d6
KK		 54#include <mach/hardware.h>
55#include <mach/regs-clock.h>
56#include <mach/regs-gpio.h>
57#include <mach/regs-lcd.h>
b0161caa 58#include <mach/gpio-samsung.h>
1da177e4 59
a2b7ba9c 60#include <plat/cpu.h>
232910d6
KK		 61#include <plat/devs.h>
62#include <plat/gpio-cfg.h>
a2b7ba9c 63#include <plat/pm.h>
7f78b6eb 64#include <plat/samsung-time.h>
68730b45 65
b27b0727 66#include "common.h"
232910d6 67#include "h1940.h"
b27b0727 68
14477095
VK		 69#define H1940_LATCH ((void __force __iomem *)0xF8000000)
70
71#define H1940_PA_LATCH S3C2410_CS2
72
73#define H1940_LATCH_BIT(x) (1 << ((x) + 16 - S3C_GPIO_END))
74
32726d2d
TF		 75#define S3C24XX_PLL_MDIV_SHIFT (12)
76#define S3C24XX_PLL_PDIV_SHIFT (4)
77#define S3C24XX_PLL_SDIV_SHIFT (0)
78
1da177e4 79static struct map_desc h1940_iodesc[] __initdata = {
e1981680
BD		 80 [0] = {
81 .virtual = (unsigned long)H1940_LATCH,
82 .pfn = __phys_to_pfn(H1940_PA_LATCH),
83 .length = SZ_16K,
84 .type = MT_DEVICE
85 },
1da177e4
LT		 86};
87
88#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
89#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
90#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
91
66a9b49a 92static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = {
1da177e4
LT		 93 [0] = {
94 .hwport = 0,
95 .flags = 0,
96 .ucon = 0x3c5,
97 .ulcon = 0x03,
98 .ufcon = 0x51,
99 },
100 [1] = {
101 .hwport = 1,
102 .flags = 0,
103 .ucon = 0x245,
104 .ulcon = 0x03,
105 .ufcon = 0x00,
106 },
107 /* IR port */
108 [2] = {
109 .hwport = 2,
110 .flags = 0,
111 .uart_flags = UPF_CONS_FLOW,
112 .ucon = 0x3c5,
113 .ulcon = 0x43,
114 .ufcon = 0x51,
115 }
116};
117
e1981680
BD		 118/* Board control latch control */
119
53193dd3 120static unsigned int latch_state;
e1981680 121
14477095 122static void h1940_latch_control(unsigned int clear, unsigned int set)
e1981680
BD		 123{
124 unsigned long flags;
125
126 local_irq_save(flags);
127
128 latch_state &= ~clear;
129 latch_state |= set;
130
131 __raw_writel(latch_state, H1940_LATCH);
132
133 local_irq_restore(flags);
134}
135
14477095
VK		 136static inline int h1940_gpiolib_to_latch(int offset)
137{
138 return 1 << (offset + 16);
139}
140
141static void h1940_gpiolib_latch_set(struct gpio_chip *chip,
142 unsigned offset, int value)
143{
144 int latch_bit = h1940_gpiolib_to_latch(offset);
145
146 h1940_latch_control(value ? 0 : latch_bit,
147 value ? latch_bit : 0);
148}
149
150static int h1940_gpiolib_latch_output(struct gpio_chip *chip,
151 unsigned offset, int value)
152{
153 h1940_gpiolib_latch_set(chip, offset, value);
154 return 0;
155}
156
157static int h1940_gpiolib_latch_get(struct gpio_chip *chip,
158 unsigned offset)
159{
160 return (latch_state >> (offset + 16)) & 1;
161}
162
4cfb7b7c 163static struct gpio_chip h1940_latch_gpiochip = {
14477095
VK		 164 .base = H1940_LATCH_GPIO(0),
165 .owner = THIS_MODULE,
166 .label = "H1940_LATCH",
167 .ngpio = 16,
168 .direction_output = h1940_gpiolib_latch_output,
169 .set = h1940_gpiolib_latch_set,
170 .get = h1940_gpiolib_latch_get,
171};
1da177e4 172
71a9c424 173static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = {
070276d5 174 .vbus_pin = S3C2410_GPG(5),
71a9c424 175 .vbus_pin_inverted = 1,
e27c3c5c 176 .pullup_pin = H1940_LATCH_USB_DP,
71a9c424
AP		 177};
178
ce8877b5
AP		 179static struct s3c2410_ts_mach_info h1940_ts_cfg __initdata = {
180 .delay = 10000,
181 .presc = 49,
182 .oversampling_shift = 2,
5bfdca14 183 .cfg_gpio = s3c24xx_ts_cfg_gpio,
ce8877b5 184};
71a9c424 185
f92273c1
AP		 186/**
187 * Set lcd on or off
188 **/
09fe75f6 189static struct s3c2410fb_display h1940_lcd __initdata = {
f28ef573
KH		 190 .lcdcon5= S3C2410_LCDCON5_FRM565 | \
191 S3C2410_LCDCON5_INVVLINE | \
192 S3C2410_LCDCON5_HWSWP,
09fe75f6 193
1f411537 194 .type = S3C2410_LCDCON1_TFT,
09fe75f6
KH		 195 .width = 240,
196 .height = 320,
69816699 197 .pixclock = 260000,
09fe75f6
KH		 198 .xres = 240,
199 .yres = 320,
200 .bpp = 16,
26be1b7b
MS		 201 .left_margin = 8,
202 .right_margin = 20,
93d11f5a 203 .hsync_len = 4,
5f20f69b
KH		 204 .upper_margin = 8,
205 .lower_margin = 7,
93d11f5a 206 .vsync_len = 1,
09fe75f6
KH		 207};
208
209static struct s3c2410fb_mach_info h1940_fb_info __initdata = {
09fe75f6
KH		 210 .displays = &h1940_lcd,
211 .num_displays = 1,
212 .default_display = 0,
213
25d391cb
VK		 214 .lpcsel = 0x02,
215 .gpccon = 0xaa940659,
216 .gpccon_mask = 0xffffc0f0,
217 .gpcup = 0x0000ffff,
218 .gpcup_mask = 0xffffffff,
219 .gpdcon = 0xaa84aaa0,
220 .gpdcon_mask = 0xffffffff,
221 .gpdup = 0x0000faff,
222 .gpdup_mask = 0xffffffff,
f92273c1 223};
1da177e4 224
a8e99850
VK		 225static int power_supply_init(struct device *dev)
226{
227 return gpio_request(S3C2410_GPF(2), "cable plugged");
228}
229
230static int h1940_is_ac_online(void)
231{
232 return !gpio_get_value(S3C2410_GPF(2));
233}
234
235static void power_supply_exit(struct device *dev)
236{
237 gpio_free(S3C2410_GPF(2));
238}
239
240static char *h1940_supplicants[] = {
241 "main-battery",
242 "backup-battery",
243};
244
245static struct pda_power_pdata power_supply_info = {
246 .init = power_supply_init,
247 .is_ac_online = h1940_is_ac_online,
248 .exit = power_supply_exit,
249 .supplied_to = h1940_supplicants,
250 .num_supplicants = ARRAY_SIZE(h1940_supplicants),
251};
252
253static struct resource power_supply_resources[] = {
635a4726
TB		 254 [0] = DEFINE_RES_NAMED(IRQ_EINT2, 1, "ac", IORESOURCE_IRQ \
255 | IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE),
a8e99850
VK		 256};
257
258static struct platform_device power_supply = {
259 .name = "pda-power",
260 .id = -1,
261 .dev = {
262 .platform_data =
263 &power_supply_info,
264 },
265 .resource = power_supply_resources,
266 .num_resources = ARRAY_SIZE(power_supply_resources),
267};
268
269static const struct s3c_adc_bat_thresh bat_lut_noac[] = {
270 { .volt = 4070, .cur = 162, .level = 100},
271 { .volt = 4040, .cur = 165, .level = 95},
272 { .volt = 4016, .cur = 164, .level = 90},
273 { .volt = 3996, .cur = 166, .level = 85},
274 { .volt = 3971, .cur = 168, .level = 80},
275 { .volt = 3951, .cur = 168, .level = 75},
276 { .volt = 3931, .cur = 170, .level = 70},
277 { .volt = 3903, .cur = 172, .level = 65},
278 { .volt = 3886, .cur = 172, .level = 60},
279 { .volt = 3858, .cur = 176, .level = 55},
280 { .volt = 3842, .cur = 176, .level = 50},
281 { .volt = 3818, .cur = 176, .level = 45},
282 { .volt = 3789, .cur = 180, .level = 40},
283 { .volt = 3769, .cur = 180, .level = 35},
284 { .volt = 3749, .cur = 184, .level = 30},
285 { .volt = 3732, .cur = 184, .level = 25},
286 { .volt = 3716, .cur = 184, .level = 20},
287 { .volt = 3708, .cur = 184, .level = 15},
288 { .volt = 3716, .cur = 96, .level = 10},
289 { .volt = 3700, .cur = 96, .level = 5},
290 { .volt = 3684, .cur = 96, .level = 0},
291};
292
293static const struct s3c_adc_bat_thresh bat_lut_acin[] = {
294 { .volt = 4130, .cur = 0, .level = 100},
295 { .volt = 3982, .cur = 0, .level = 50},
296 { .volt = 3854, .cur = 0, .level = 10},
297 { .volt = 3841, .cur = 0, .level = 0},
298};
299
4cfb7b7c 300static int h1940_bat_init(void)
a8e99850
VK		 301{
302 int ret;
303
304 ret = gpio_request(H1940_LATCH_SM803_ENABLE, "h1940-charger-enable");
305 if (ret)
306 return ret;
307 gpio_direction_output(H1940_LATCH_SM803_ENABLE, 0);
308
309 return 0;
310
311}
312
4cfb7b7c 313static void h1940_bat_exit(void)
a8e99850
VK		 314{
315 gpio_free(H1940_LATCH_SM803_ENABLE);
316}
317
4cfb7b7c 318static void h1940_enable_charger(void)
a8e99850
VK		 319{
320 gpio_set_value(H1940_LATCH_SM803_ENABLE, 1);
321}
322
4cfb7b7c 323static void h1940_disable_charger(void)
a8e99850
VK		 324{
325 gpio_set_value(H1940_LATCH_SM803_ENABLE, 0);
326}
327
328static struct s3c_adc_bat_pdata h1940_bat_cfg = {
329 .init = h1940_bat_init,
330 .exit = h1940_bat_exit,
331 .enable_charger = h1940_enable_charger,
332 .disable_charger = h1940_disable_charger,
333 .gpio_charge_finished = S3C2410_GPF(3),
334 .gpio_inverted = 1,
335 .lut_noac = bat_lut_noac,
336 .lut_noac_cnt = ARRAY_SIZE(bat_lut_noac),
337 .lut_acin = bat_lut_acin,
338 .lut_acin_cnt = ARRAY_SIZE(bat_lut_acin),
339 .volt_channel = 0,
340 .current_channel = 1,
341 .volt_mult = 4056,
342 .current_mult = 1893,
343 .internal_impedance = 200,
344 .backup_volt_channel = 3,
345 /* TODO Check backup volt multiplier */
346 .backup_volt_mult = 4056,
347 .backup_volt_min = 0,
348 .backup_volt_max = 4149288
349};
350
351static struct platform_device h1940_battery = {
352 .name = "s3c-adc-battery",
353 .id = -1,
354 .dev = {
355 .parent = &s3c_device_adc.dev,
356 .platform_data = &h1940_bat_cfg,
357 },
358};
359
4cfb7b7c 360static DEFINE_SPINLOCK(h1940_blink_spin);
50e2d10d 361
c673a2b4 362int h1940_led_blink_set(struct gpio_desc *desc, int state,
50e2d10d
VK		 363 unsigned long *delay_on, unsigned long *delay_off)
364{
365 int blink_gpio, check_gpio1, check_gpio2;
c673a2b4 366 int gpio = desc ? desc_to_gpio(desc) : -EINVAL;
50e2d10d
VK		 367
368 switch (gpio) {
369 case H1940_LATCH_LED_GREEN:
370 blink_gpio = S3C2410_GPA(7);
371 check_gpio1 = S3C2410_GPA(1);
372 check_gpio2 = S3C2410_GPA(3);
373 break;
374 case H1940_LATCH_LED_RED:
375 blink_gpio = S3C2410_GPA(1);
376 check_gpio1 = S3C2410_GPA(7);
377 check_gpio2 = S3C2410_GPA(3);
378 break;
379 default:
380 blink_gpio = S3C2410_GPA(3);
381 check_gpio1 = S3C2410_GPA(1);
884dc5a2 382 check_gpio2 = S3C2410_GPA(7);
50e2d10d
VK		 383 break;
384 }
385
386 if (delay_on && delay_off && !*delay_on && !*delay_off)
387 *delay_on = *delay_off = 500;
388
389 spin_lock(&h1940_blink_spin);
390
391 switch (state) {
392 case GPIO_LED_NO_BLINK_LOW:
393 case GPIO_LED_NO_BLINK_HIGH:
394 if (!gpio_get_value(check_gpio1) &&
395 !gpio_get_value(check_gpio2))
396 gpio_set_value(H1940_LATCH_LED_FLASH, 0);
397 gpio_set_value(blink_gpio, 0);
398 if (gpio_is_valid(gpio))
399 gpio_set_value(gpio, state);
400 break;
401 case GPIO_LED_BLINK:
402 if (gpio_is_valid(gpio))
403 gpio_set_value(gpio, 0);
404 gpio_set_value(H1940_LATCH_LED_FLASH, 1);
405 gpio_set_value(blink_gpio, 1);
406 break;
407 }
408
409 spin_unlock(&h1940_blink_spin);
410
411 return 0;
412}
413EXPORT_SYMBOL(h1940_led_blink_set);
414
415static struct gpio_led h1940_leds_desc[] = {
416 {
417 .name = "Green",
9edb2406 418 .default_trigger = "main-battery-full",
50e2d10d
VK		 419 .gpio = H1940_LATCH_LED_GREEN,
420 .retain_state_suspended = 1,
421 },
422 {
423 .name = "Red",
9edb2406
VK		 424 .default_trigger
425 = "main-battery-charging-blink-full-solid",
50e2d10d
VK		 426 .gpio = H1940_LATCH_LED_RED,
427 .retain_state_suspended = 1,
428 },
429};
430
431static struct gpio_led_platform_data h1940_leds_pdata = {
432 .num_leds = ARRAY_SIZE(h1940_leds_desc),
433 .leds = h1940_leds_desc,
434 .gpio_blink_set = h1940_led_blink_set,
435};
436
ff34aaa9 437static struct platform_device h1940_device_leds = {
50e2d10d
VK		 438 .name = "leds-gpio",
439 .id = -1,
440 .dev = {
441 .platform_data = &h1940_leds_pdata,
442 },
d2a76020
AP		 443};
444
ff34aaa9 445static struct platform_device h1940_device_bluetooth = {
7fdc7849
AP		 446 .name = "h1940-bt",
447 .id = -1,
448};
449
48cd65a6
VK		 450static void h1940_set_mmc_power(unsigned char power_mode, unsigned short vdd)
451{
452 switch (power_mode) {
453 case MMC_POWER_OFF:
454 gpio_set_value(H1940_LATCH_SD_POWER, 0);
455 break;
456 case MMC_POWER_UP:
457 case MMC_POWER_ON:
458 gpio_set_value(H1940_LATCH_SD_POWER, 1);
459 break;
460 default:
461 break;
dec2e82a 462 }
48cd65a6
VK		 463}
464
22c810ab 465static struct s3c24xx_mci_pdata h1940_mmc_cfg __initdata = {
3909b9f7
AP		 466 .gpio_detect = S3C2410_GPF(5),
467 .gpio_wprotect = S3C2410_GPH(8),
48cd65a6 468 .set_power = h1940_set_mmc_power,
3909b9f7
AP		 469 .ocr_avail = MMC_VDD_32_33,
470};
471
22e649ff
AP		 472static int h1940_backlight_init(struct device *dev)
473{
474 gpio_request(S3C2410_GPB(0), "Backlight");
475
db61ac54 476 gpio_direction_output(S3C2410_GPB(0), 0);
fb378747 477 s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE);
40b956f0 478 s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
53193dd3 479 gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1);
22e649ff
AP		 480
481 return 0;
482}
483
53193dd3
VK		 484static int h1940_backlight_notify(struct device *dev, int brightness)
485{
486 if (!brightness) {
487 gpio_direction_output(S3C2410_GPB(0), 1);
488 gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
489 } else {
490 gpio_direction_output(S3C2410_GPB(0), 0);
491 s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE);
492 s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
493 gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1);
494 }
495 return brightness;
496}
497
22e649ff
AP		 498static void h1940_backlight_exit(struct device *dev)
499{
db61ac54 500 gpio_direction_output(S3C2410_GPB(0), 1);
53193dd3 501 gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
22e649ff
AP		 502}
503
53193dd3 504
22e649ff
AP		 505static struct platform_pwm_backlight_data backlight_data = {
506 .pwm_id = 0,
507 .max_brightness = 100,
508 .dft_brightness = 50,
509 /* tcnt = 0x31 */
510 .pwm_period_ns = 36296,
a63652f1 511 .enable_gpio = -1,
22e649ff 512 .init = h1940_backlight_init,
53193dd3 513 .notify = h1940_backlight_notify,
22e649ff
AP		 514 .exit = h1940_backlight_exit,
515};
516
517static struct platform_device h1940_backlight = {
518 .name = "pwm-backlight",
519 .dev = {
7fa33bdb 520 .parent = &samsung_device_pwm.dev,
22e649ff
AP		 521 .platform_data = &backlight_data,
522 },
523 .id = -1,
524};
525
526static void h1940_lcd_power_set(struct plat_lcd_data *pd,
527 unsigned int power)
528{
25d391cb 529 int value, retries = 100;
22e649ff
AP		 530
531 if (!power) {
53193dd3 532 gpio_set_value(S3C2410_GPC(0), 0);
22e649ff
AP		 533 /* wait for 3ac */
534 do {
db61ac54 535 value = gpio_get_value(S3C2410_GPC(6));
25d391cb 536 } while (value && retries--);
53193dd3
VK		 537
538 gpio_set_value(H1940_LATCH_LCD_P2, 0);
539 gpio_set_value(H1940_LATCH_LCD_P3, 0);
540 gpio_set_value(H1940_LATCH_LCD_P4, 0);
541
542 gpio_direction_output(S3C2410_GPC(1), 0);
543 gpio_direction_output(S3C2410_GPC(4), 0);
544
545 gpio_set_value(H1940_LATCH_LCD_P1, 0);
546 gpio_set_value(H1940_LATCH_LCD_P0, 0);
547
548 gpio_set_value(S3C2410_GPC(5), 0);
549
22e649ff 550 } else {
53193dd3
VK		 551 gpio_set_value(H1940_LATCH_LCD_P0, 1);
552 gpio_set_value(H1940_LATCH_LCD_P1, 1);
553
25d391cb
VK		 554 gpio_direction_input(S3C2410_GPC(1));
555 gpio_direction_input(S3C2410_GPC(4));
556 mdelay(10);
53193dd3
VK		 557 s3c_gpio_cfgpin(S3C2410_GPC(1), S3C_GPIO_SFN(2));
558 s3c_gpio_cfgpin(S3C2410_GPC(4), S3C_GPIO_SFN(2));
559
560 gpio_set_value(S3C2410_GPC(5), 1);
561 gpio_set_value(S3C2410_GPC(0), 1);
562
563 gpio_set_value(H1940_LATCH_LCD_P3, 1);
564 gpio_set_value(H1940_LATCH_LCD_P2, 1);
565 gpio_set_value(H1940_LATCH_LCD_P4, 1);
22e649ff
AP		 566 }
567}
568
569static struct plat_lcd_data h1940_lcd_power_data = {
570 .set_power = h1940_lcd_power_set,
571};
572
573static struct platform_device h1940_lcd_powerdev = {
574 .name = "platform-lcd",
575 .dev.parent = &s3c_device_lcd.dev,
576 .dev.platform_data = &h1940_lcd_power_data,
577};
578
68730b45
VK		 579static struct uda1380_platform_data uda1380_info = {
580 .gpio_power = H1940_LATCH_UDA_POWER,
581 .gpio_reset = S3C2410_GPA(12),
582 .dac_clk = UDA1380_DAC_CLK_SYSCLK,
583};
584
585static struct i2c_board_info h1940_i2c_devices[] = {
586 {
587 I2C_BOARD_INFO("uda1380", 0x1a),
588 .platform_data = &uda1380_info,
589 },
590};
591
bbb1c832
AP		 592#define DECLARE_BUTTON(p, k, n, w) \
593 { \
594 .gpio = p, \
595 .code = k, \
596 .desc = n, \
597 .wakeup = w, \
598 .active_low = 1, \
599 }
600
601static struct gpio_keys_button h1940_buttons[] = {
602 DECLARE_BUTTON(S3C2410_GPF(0), KEY_POWER, "Power", 1),
603 DECLARE_BUTTON(S3C2410_GPF(6), KEY_ENTER, "Select", 1),
604 DECLARE_BUTTON(S3C2410_GPF(7), KEY_RECORD, "Record", 0),
605 DECLARE_BUTTON(S3C2410_GPG(0), KEY_F11, "Calendar", 0),
606 DECLARE_BUTTON(S3C2410_GPG(2), KEY_F12, "Contacts", 0),
607 DECLARE_BUTTON(S3C2410_GPG(3), KEY_MAIL, "Mail", 0),
608 DECLARE_BUTTON(S3C2410_GPG(6), KEY_LEFT, "Left_arrow", 0),
609 DECLARE_BUTTON(S3C2410_GPG(7), KEY_HOMEPAGE, "Home", 0),
610 DECLARE_BUTTON(S3C2410_GPG(8), KEY_RIGHT, "Right_arrow", 0),
611 DECLARE_BUTTON(S3C2410_GPG(9), KEY_UP, "Up_arrow", 0),
612 DECLARE_BUTTON(S3C2410_GPG(10), KEY_DOWN, "Down_arrow", 0),
613};
614
615static struct gpio_keys_platform_data h1940_buttons_data = {
616 .buttons = h1940_buttons,
617 .nbuttons = ARRAY_SIZE(h1940_buttons),
618};
619
620static struct platform_device h1940_dev_buttons = {
621 .name = "gpio-keys",
622 .id = -1,
623 .dev = {
624 .platform_data = &h1940_buttons_data,
625 }
626};
627
1da177e4 628static struct platform_device *h1940_devices[] __initdata = {
bbb1c832 629 &h1940_dev_buttons,
b813248c 630 &s3c_device_ohci,
1da177e4
LT		 631 &s3c_device_lcd,
632 &s3c_device_wdt,
3e1b776c 633 &s3c_device_i2c0,
1da177e4 634 &s3c_device_iis,
71a9c424 635 &s3c_device_usbgadget,
ff34aaa9
BD		 636 &h1940_device_leds,
637 &h1940_device_bluetooth,
3909b9f7 638 &s3c_device_sdi,
13733d52 639 &s3c_device_rtc,
7fa33bdb 640 &samsung_device_pwm,
22e649ff
AP		 641 &h1940_backlight,
642 &h1940_lcd_powerdev,
17dcd13a
AP		 643 &s3c_device_adc,
644 &s3c_device_ts,
a8e99850
VK		 645 &power_supply,
646 &h1940_battery,
1da177e4
LT		 647};
648
5fe10ab1 649static void __init h1940_map_io(void)
1da177e4
LT		 650{
651 s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
1da177e4 652 s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
7f78b6eb 653 samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
9073341c
BD		 654
655 /* setup PM */
656
b1dfe1f1 657#ifdef CONFIG_PM_H1940
9073341c 658 memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024);
b1dfe1f1 659#endif
4e59c25d 660 s3c_pm_init();
14477095 661
53193dd3
VK		 662 /* Add latch gpio chip, set latch initial value */
663 h1940_latch_control(0, 0);
14477095 664 WARN_ON(gpiochip_add(&h1940_latch_gpiochip));
1da177e4
LT		 665}
666
07ee5e7c
HS		 667static void __init h1940_init_time(void)
668{
669 s3c2410_init_clocks(12000000);
670 samsung_timer_init();
671}
672
98c672cf
RK		 673/* H1940 and RX3715 need to reserve this for suspend */
674static void __init h1940_reserve(void)
675{
8d717a52
RK		 676 memblock_reserve(0x30003000, 0x1000);
677 memblock_reserve(0x30081000, 0x1000);
98c672cf
RK		 678}
679
5fe10ab1 680static void __init h1940_init(void)
f92273c1 681{
71a9c424
AP		 682 u32 tmp;
683
09fe75f6 684 s3c24xx_fb_set_platdata(&h1940_fb_info);
22c810ab 685 s3c24xx_mci_set_platdata(&h1940_mmc_cfg);
71a9c424 686 s3c24xx_udc_set_platdata(&h1940_udc_cfg);
ce8877b5 687 s3c24xx_ts_set_platdata(&h1940_ts_cfg);
3e1b776c 688 s3c_i2c0_set_platdata(NULL);
71a9c424
AP		 689
690 /* Turn off suspend on both USB ports, and switch the
691 * selectable USB port to USB device mode. */
692
693 s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
694 S3C2410_MISCCR_USBSUSPND0 |
695 S3C2410_MISCCR_USBSUSPND1, 0x0);
696
52e329eb
KK		 697 tmp = (0x78 << S3C24XX_PLL_MDIV_SHIFT)
698 | (0x02 << S3C24XX_PLL_PDIV_SHIFT)
699 | (0x03 << S3C24XX_PLL_SDIV_SHIFT);
71a9c424 700 writel(tmp, S3C2410_UPLLCON);
57e5171c 701
22e649ff 702 gpio_request(S3C2410_GPC(0), "LCD power");
53193dd3
VK		 703 gpio_request(S3C2410_GPC(1), "LCD power");
704 gpio_request(S3C2410_GPC(4), "LCD power");
22e649ff
AP		 705 gpio_request(S3C2410_GPC(5), "LCD power");
706 gpio_request(S3C2410_GPC(6), "LCD power");
53193dd3
VK		 707 gpio_request(H1940_LATCH_LCD_P0, "LCD power");
708 gpio_request(H1940_LATCH_LCD_P1, "LCD power");
709 gpio_request(H1940_LATCH_LCD_P2, "LCD power");
710 gpio_request(H1940_LATCH_LCD_P3, "LCD power");
711 gpio_request(H1940_LATCH_LCD_P4, "LCD power");
712 gpio_request(H1940_LATCH_MAX1698_nSHUTDOWN, "LCD power");
713 gpio_direction_output(S3C2410_GPC(0), 0);
714 gpio_direction_output(S3C2410_GPC(1), 0);
715 gpio_direction_output(S3C2410_GPC(4), 0);
716 gpio_direction_output(S3C2410_GPC(5), 0);
db61ac54 717 gpio_direction_input(S3C2410_GPC(6));
53193dd3
VK		 718 gpio_direction_output(H1940_LATCH_LCD_P0, 0);
719 gpio_direction_output(H1940_LATCH_LCD_P1, 0);
720 gpio_direction_output(H1940_LATCH_LCD_P2, 0);
721 gpio_direction_output(H1940_LATCH_LCD_P3, 0);
722 gpio_direction_output(H1940_LATCH_LCD_P4, 0);
723 gpio_direction_output(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
22e649ff 724
48cd65a6
VK		 725 gpio_request(H1940_LATCH_SD_POWER, "SD power");
726 gpio_direction_output(H1940_LATCH_SD_POWER, 0);
22e649ff 727
57e5171c 728 platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices));
68730b45 729
50e2d10d
VK		 730 gpio_request(S3C2410_GPA(1), "Red LED blink");
731 gpio_request(S3C2410_GPA(3), "Blue LED blink");
732 gpio_request(S3C2410_GPA(7), "Green LED blink");
733 gpio_request(H1940_LATCH_LED_FLASH, "LED blink");
734 gpio_direction_output(S3C2410_GPA(1), 0);
735 gpio_direction_output(S3C2410_GPA(3), 0);
736 gpio_direction_output(S3C2410_GPA(7), 0);
737 gpio_direction_output(H1940_LATCH_LED_FLASH, 0);
738
68730b45
VK		 739 i2c_register_board_info(0, h1940_i2c_devices,
740 ARRAY_SIZE(h1940_i2c_devices));
f92273c1
AP		 741}
742
1da177e4 743MACHINE_START(H1940, "IPAQ-H1940")
afdd225d 744 /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
69d50710 745 .atag_offset = 0x100,
e9dea0c6 746 .map_io = h1940_map_io,
98c672cf 747 .reserve = h1940_reserve,
f182aa1d 748 .init_irq = s3c2410_init_irq,
71a9c424 749 .init_machine = h1940_init,
07ee5e7c 750 .init_time = h1940_init_time,
1da177e4 751MACHINE_END
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