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Merge branches 'pm-sleep' and 'pm-tools'
[linux-2.6-block.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
APR		 26#include <linux/input.h>
27#include <linux/gpio_keys.h>
8c78aaa6 28#include <linux/pwm.h>
22e649ff 29#include <linux/pwm_backlight.h>
68730b45 30#include <linux/i2c.h>
50e2d10d 31#include <linux/leds.h>
a8e99850
VK		 32#include <linux/pda_power.h>
33#include <linux/s3c_adc_battery.h>
25d391cb 34#include <linux/delay.h>
50e2d10d 35
22e649ff 36#include <video/platform_lcd.h>
3909b9f7 37
38#include <linux/mmc/host.h>
dc28094b 39#include <linux/export.h>
1da177e4 40
232910d6
KK		 41#include <asm/irq.h>
42#include <asm/mach-types.h>
1da177e4
LT		 43#include <asm/mach/arch.h>
44#include <asm/mach/map.h>
45#include <asm/mach/irq.h>
46
232910d6
KK		 47#include <linux/platform_data/i2c-s3c2410.h>
48#include <linux/platform_data/mmc-s3cmci.h>
49#include <linux/platform_data/touchscreen-s3c2410.h>
50#include <linux/platform_data/usb-s3c2410_udc.h>
f92273c1 51
232910d6 52#include <sound/uda1380.h>
3909b9f7 53
a09e64fb 54#include <mach/fb.h>
232910d6
KK		 55#include <mach/hardware.h>
56#include <mach/regs-clock.h>
57#include <mach/regs-gpio.h>
58#include <mach/regs-lcd.h>
b0161caa 59#include <mach/gpio-samsung.h>
1da177e4 60
a2b7ba9c 61#include <plat/cpu.h>
232910d6
KK		 62#include <plat/devs.h>
63#include <plat/gpio-cfg.h>
a2b7ba9c 64#include <plat/pm.h>
7f78b6eb 65#include <plat/samsung-time.h>
68730b45 66
b27b0727 67#include "common.h"
232910d6 68#include "h1940.h"
b27b0727 69
14477095
VK		 70#define H1940_LATCH ((void __force __iomem *)0xF8000000)
71
72#define H1940_PA_LATCH S3C2410_CS2
73
74#define H1940_LATCH_BIT(x) (1 << ((x) + 16 - S3C_GPIO_END))
75
32726d2d
TF		 76#define S3C24XX_PLL_MDIV_SHIFT (12)
77#define S3C24XX_PLL_PDIV_SHIFT (4)
78#define S3C24XX_PLL_SDIV_SHIFT (0)
79
1da177e4 80static struct map_desc h1940_iodesc[] __initdata = {
e1981680
BD		 81 [0] = {
82 .virtual = (unsigned long)H1940_LATCH,
83 .pfn = __phys_to_pfn(H1940_PA_LATCH),
84 .length = SZ_16K,
85 .type = MT_DEVICE
86 },
1da177e4
LT		 87};
88
89#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
90#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
91#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
92
66a9b49a 93static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = {
1da177e4
LT		 94 [0] = {
95 .hwport = 0,
96 .flags = 0,
97 .ucon = 0x3c5,
98 .ulcon = 0x03,
99 .ufcon = 0x51,
100 },
101 [1] = {
102 .hwport = 1,
103 .flags = 0,
104 .ucon = 0x245,
105 .ulcon = 0x03,
106 .ufcon = 0x00,
107 },
108 /* IR port */
109 [2] = {
110 .hwport = 2,
111 .flags = 0,
112 .uart_flags = UPF_CONS_FLOW,
113 .ucon = 0x3c5,
114 .ulcon = 0x43,
115 .ufcon = 0x51,
116 }
117};
118
e1981680
BD		 119/* Board control latch control */
120
53193dd3 121static unsigned int latch_state;
e1981680 122
14477095 123static void h1940_latch_control(unsigned int clear, unsigned int set)
e1981680
BD		 124{
125 unsigned long flags;
126
127 local_irq_save(flags);
128
129 latch_state &= ~clear;
130 latch_state |= set;
131
132 __raw_writel(latch_state, H1940_LATCH);
133
134 local_irq_restore(flags);
135}
136
14477095
VK		 137static inline int h1940_gpiolib_to_latch(int offset)
138{
139 return 1 << (offset + 16);
140}
141
142static void h1940_gpiolib_latch_set(struct gpio_chip *chip,
143 unsigned offset, int value)
144{
145 int latch_bit = h1940_gpiolib_to_latch(offset);
146
147 h1940_latch_control(value ? 0 : latch_bit,
148 value ? latch_bit : 0);
149}
150
151static int h1940_gpiolib_latch_output(struct gpio_chip *chip,
152 unsigned offset, int value)
153{
154 h1940_gpiolib_latch_set(chip, offset, value);
155 return 0;
156}
157
158static int h1940_gpiolib_latch_get(struct gpio_chip *chip,
159 unsigned offset)
160{
161 return (latch_state >> (offset + 16)) & 1;
162}
163
4cfb7b7c 164static struct gpio_chip h1940_latch_gpiochip = {
14477095
VK		 165 .base = H1940_LATCH_GPIO(0),
166 .owner = THIS_MODULE,
167 .label = "H1940_LATCH",
168 .ngpio = 16,
169 .direction_output = h1940_gpiolib_latch_output,
170 .set = h1940_gpiolib_latch_set,
171 .get = h1940_gpiolib_latch_get,
172};
1da177e4 173
71a9c424 174static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = {
070276d5 175 .vbus_pin = S3C2410_GPG(5),
71a9c424 176 .vbus_pin_inverted = 1,
e27c3c5c 177 .pullup_pin = H1940_LATCH_USB_DP,
71a9c424
AP		 178};
179
ce8877b5
AP		 180static struct s3c2410_ts_mach_info h1940_ts_cfg __initdata = {
181 .delay = 10000,
182 .presc = 49,
183 .oversampling_shift = 2,
5bfdca14 184 .cfg_gpio = s3c24xx_ts_cfg_gpio,
ce8877b5 185};
71a9c424 186
f92273c1
AP		 187/**
188 * Set lcd on or off
189 **/
09fe75f6 190static struct s3c2410fb_display h1940_lcd __initdata = {
f28ef573
KH		 191 .lcdcon5= S3C2410_LCDCON5_FRM565 | \
192 S3C2410_LCDCON5_INVVLINE | \
193 S3C2410_LCDCON5_HWSWP,
09fe75f6 194
1f411537 195 .type = S3C2410_LCDCON1_TFT,
09fe75f6
KH		 196 .width = 240,
197 .height = 320,
69816699 198 .pixclock = 260000,
09fe75f6
KH		 199 .xres = 240,
200 .yres = 320,
201 .bpp = 16,
26be1b7b
MS		 202 .left_margin = 8,
203 .right_margin = 20,
93d11f5a 204 .hsync_len = 4,
5f20f69b
KH		 205 .upper_margin = 8,
206 .lower_margin = 7,
93d11f5a 207 .vsync_len = 1,
09fe75f6
KH		 208};
209
210static struct s3c2410fb_mach_info h1940_fb_info __initdata = {
09fe75f6
KH		 211 .displays = &h1940_lcd,
212 .num_displays = 1,
213 .default_display = 0,
214
25d391cb
VK		 215 .lpcsel = 0x02,
216 .gpccon = 0xaa940659,
217 .gpccon_mask = 0xffffc0f0,
218 .gpcup = 0x0000ffff,
219 .gpcup_mask = 0xffffffff,
220 .gpdcon = 0xaa84aaa0,
221 .gpdcon_mask = 0xffffffff,
222 .gpdup = 0x0000faff,
223 .gpdup_mask = 0xffffffff,
f92273c1 224};
1da177e4 225
a8e99850
VK		 226static int power_supply_init(struct device *dev)
227{
228 return gpio_request(S3C2410_GPF(2), "cable plugged");
229}
230
231static int h1940_is_ac_online(void)
232{
233 return !gpio_get_value(S3C2410_GPF(2));
234}
235
236static void power_supply_exit(struct device *dev)
237{
238 gpio_free(S3C2410_GPF(2));
239}
240
241static char *h1940_supplicants[] = {
242 "main-battery",
243 "backup-battery",
244};
245
246static struct pda_power_pdata power_supply_info = {
247 .init = power_supply_init,
248 .is_ac_online = h1940_is_ac_online,
249 .exit = power_supply_exit,
250 .supplied_to = h1940_supplicants,
251 .num_supplicants = ARRAY_SIZE(h1940_supplicants),
252};
253
254static struct resource power_supply_resources[] = {
635a4726
TB		 255 [0] = DEFINE_RES_NAMED(IRQ_EINT2, 1, "ac", IORESOURCE_IRQ \
256 | IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE),
a8e99850
VK		 257};
258
259static struct platform_device power_supply = {
260 .name = "pda-power",
261 .id = -1,
262 .dev = {
263 .platform_data =
264 &power_supply_info,
265 },
266 .resource = power_supply_resources,
267 .num_resources = ARRAY_SIZE(power_supply_resources),
268};
269
270static const struct s3c_adc_bat_thresh bat_lut_noac[] = {
271 { .volt = 4070, .cur = 162, .level = 100},
272 { .volt = 4040, .cur = 165, .level = 95},
273 { .volt = 4016, .cur = 164, .level = 90},
274 { .volt = 3996, .cur = 166, .level = 85},
275 { .volt = 3971, .cur = 168, .level = 80},
276 { .volt = 3951, .cur = 168, .level = 75},
277 { .volt = 3931, .cur = 170, .level = 70},
278 { .volt = 3903, .cur = 172, .level = 65},
279 { .volt = 3886, .cur = 172, .level = 60},
280 { .volt = 3858, .cur = 176, .level = 55},
281 { .volt = 3842, .cur = 176, .level = 50},
282 { .volt = 3818, .cur = 176, .level = 45},
283 { .volt = 3789, .cur = 180, .level = 40},
284 { .volt = 3769, .cur = 180, .level = 35},
285 { .volt = 3749, .cur = 184, .level = 30},
286 { .volt = 3732, .cur = 184, .level = 25},
287 { .volt = 3716, .cur = 184, .level = 20},
288 { .volt = 3708, .cur = 184, .level = 15},
289 { .volt = 3716, .cur = 96, .level = 10},
290 { .volt = 3700, .cur = 96, .level = 5},
291 { .volt = 3684, .cur = 96, .level = 0},
292};
293
294static const struct s3c_adc_bat_thresh bat_lut_acin[] = {
295 { .volt = 4130, .cur = 0, .level = 100},
296 { .volt = 3982, .cur = 0, .level = 50},
297 { .volt = 3854, .cur = 0, .level = 10},
298 { .volt = 3841, .cur = 0, .level = 0},
299};
300
4cfb7b7c 301static int h1940_bat_init(void)
a8e99850
VK		 302{
303 int ret;
304
305 ret = gpio_request(H1940_LATCH_SM803_ENABLE, "h1940-charger-enable");
306 if (ret)
307 return ret;
308 gpio_direction_output(H1940_LATCH_SM803_ENABLE, 0);
309
310 return 0;
311
312}
313
4cfb7b7c 314static void h1940_bat_exit(void)
a8e99850
VK		 315{
316 gpio_free(H1940_LATCH_SM803_ENABLE);
317}
318
4cfb7b7c 319static void h1940_enable_charger(void)
a8e99850
VK		 320{
321 gpio_set_value(H1940_LATCH_SM803_ENABLE, 1);
322}
323
4cfb7b7c 324static void h1940_disable_charger(void)
a8e99850
VK		 325{
326 gpio_set_value(H1940_LATCH_SM803_ENABLE, 0);
327}
328
329static struct s3c_adc_bat_pdata h1940_bat_cfg = {
330 .init = h1940_bat_init,
331 .exit = h1940_bat_exit,
332 .enable_charger = h1940_enable_charger,
333 .disable_charger = h1940_disable_charger,
334 .gpio_charge_finished = S3C2410_GPF(3),
335 .gpio_inverted = 1,
336 .lut_noac = bat_lut_noac,
337 .lut_noac_cnt = ARRAY_SIZE(bat_lut_noac),
338 .lut_acin = bat_lut_acin,
339 .lut_acin_cnt = ARRAY_SIZE(bat_lut_acin),
340 .volt_channel = 0,
341 .current_channel = 1,
342 .volt_mult = 4056,
343 .current_mult = 1893,
344 .internal_impedance = 200,
345 .backup_volt_channel = 3,
346 /* TODO Check backup volt multiplier */
347 .backup_volt_mult = 4056,
348 .backup_volt_min = 0,
349 .backup_volt_max = 4149288
350};
351
352static struct platform_device h1940_battery = {
353 .name = "s3c-adc-battery",
354 .id = -1,
355 .dev = {
356 .parent = &s3c_device_adc.dev,
357 .platform_data = &h1940_bat_cfg,
358 },
359};
360
4cfb7b7c 361static DEFINE_SPINLOCK(h1940_blink_spin);
50e2d10d 362
c673a2b4 363int h1940_led_blink_set(struct gpio_desc *desc, int state,
50e2d10d
VK		 364 unsigned long *delay_on, unsigned long *delay_off)
365{
366 int blink_gpio, check_gpio1, check_gpio2;
c673a2b4 367 int gpio = desc ? desc_to_gpio(desc) : -EINVAL;
50e2d10d
VK		 368
369 switch (gpio) {
370 case H1940_LATCH_LED_GREEN:
371 blink_gpio = S3C2410_GPA(7);
372 check_gpio1 = S3C2410_GPA(1);
373 check_gpio2 = S3C2410_GPA(3);
374 break;
375 case H1940_LATCH_LED_RED:
376 blink_gpio = S3C2410_GPA(1);
377 check_gpio1 = S3C2410_GPA(7);
378 check_gpio2 = S3C2410_GPA(3);
379 break;
380 default:
381 blink_gpio = S3C2410_GPA(3);
382 check_gpio1 = S3C2410_GPA(1);
884dc5a2 383 check_gpio2 = S3C2410_GPA(7);
50e2d10d
VK		 384 break;
385 }
386
387 if (delay_on && delay_off && !*delay_on && !*delay_off)
388 *delay_on = *delay_off = 500;
389
390 spin_lock(&h1940_blink_spin);
391
392 switch (state) {
393 case GPIO_LED_NO_BLINK_LOW:
394 case GPIO_LED_NO_BLINK_HIGH:
395 if (!gpio_get_value(check_gpio1) &&
396 !gpio_get_value(check_gpio2))
397 gpio_set_value(H1940_LATCH_LED_FLASH, 0);
398 gpio_set_value(blink_gpio, 0);
399 if (gpio_is_valid(gpio))
400 gpio_set_value(gpio, state);
401 break;
402 case GPIO_LED_BLINK:
403 if (gpio_is_valid(gpio))
404 gpio_set_value(gpio, 0);
405 gpio_set_value(H1940_LATCH_LED_FLASH, 1);
406 gpio_set_value(blink_gpio, 1);
407 break;
408 }
409
410 spin_unlock(&h1940_blink_spin);
411
412 return 0;
413}
414EXPORT_SYMBOL(h1940_led_blink_set);
415
416static struct gpio_led h1940_leds_desc[] = {
417 {
418 .name = "Green",
9edb2406 419 .default_trigger = "main-battery-full",
50e2d10d
VK		 420 .gpio = H1940_LATCH_LED_GREEN,
421 .retain_state_suspended = 1,
422 },
423 {
424 .name = "Red",
9edb2406
VK		 425 .default_trigger
426 = "main-battery-charging-blink-full-solid",
50e2d10d
VK		 427 .gpio = H1940_LATCH_LED_RED,
428 .retain_state_suspended = 1,
429 },
430};
431
432static struct gpio_led_platform_data h1940_leds_pdata = {
433 .num_leds = ARRAY_SIZE(h1940_leds_desc),
434 .leds = h1940_leds_desc,
435 .gpio_blink_set = h1940_led_blink_set,
436};
437
ff34aaa9 438static struct platform_device h1940_device_leds = {
50e2d10d
VK		 439 .name = "leds-gpio",
440 .id = -1,
441 .dev = {
442 .platform_data = &h1940_leds_pdata,
443 },
d2a76020
AP		 444};
445
ff34aaa9 446static struct platform_device h1940_device_bluetooth = {
7fdc7849
AP		 447 .name = "h1940-bt",
448 .id = -1,
449};
450
48cd65a6
VK		 451static void h1940_set_mmc_power(unsigned char power_mode, unsigned short vdd)
452{
453 switch (power_mode) {
454 case MMC_POWER_OFF:
455 gpio_set_value(H1940_LATCH_SD_POWER, 0);
456 break;
457 case MMC_POWER_UP:
458 case MMC_POWER_ON:
459 gpio_set_value(H1940_LATCH_SD_POWER, 1);
460 break;
461 default:
462 break;
dec2e82a 463 }
48cd65a6
VK		 464}
465
22c810ab 466static struct s3c24xx_mci_pdata h1940_mmc_cfg __initdata = {
3909b9f7 467 .gpio_detect = S3C2410_GPF(5),
468 .gpio_wprotect = S3C2410_GPH(8),
48cd65a6 469 .set_power = h1940_set_mmc_power,
3909b9f7 470 .ocr_avail = MMC_VDD_32_33,
471};
472
8c78aaa6
TR		 473static struct pwm_lookup h1940_pwm_lookup[] = {
474 PWM_LOOKUP("samsung-pwm", 0, "pwm-backlight", NULL, 36296,
475 PWM_POLARITY_NORMAL),
476};
477
22e649ff 478static int h1940_backlight_init(struct device *dev)
479{
480 gpio_request(S3C2410_GPB(0), "Backlight");
481
db61ac54 482 gpio_direction_output(S3C2410_GPB(0), 0);
fb378747 483 s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE);
40b956f0 484 s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
53193dd3 485 gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1);
22e649ff 486
487 return 0;
488}
489
53193dd3
VK		 490static int h1940_backlight_notify(struct device *dev, int brightness)
491{
492 if (!brightness) {
493 gpio_direction_output(S3C2410_GPB(0), 1);
494 gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
495 } else {
496 gpio_direction_output(S3C2410_GPB(0), 0);
497 s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE);
498 s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
499 gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1);
500 }
501 return brightness;
502}
503
22e649ff 504static void h1940_backlight_exit(struct device *dev)
505{
db61ac54 506 gpio_direction_output(S3C2410_GPB(0), 1);
53193dd3 507 gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
22e649ff 508}
509
53193dd3 510
22e649ff 511static struct platform_pwm_backlight_data backlight_data = {
22e649ff 512 .max_brightness = 100,
513 .dft_brightness = 50,
a63652f1 514 .enable_gpio = -1,
22e649ff 515 .init = h1940_backlight_init,
53193dd3 516 .notify = h1940_backlight_notify,
22e649ff 517 .exit = h1940_backlight_exit,
518};
519
520static struct platform_device h1940_backlight = {
521 .name = "pwm-backlight",
522 .dev = {
7fa33bdb 523 .parent = &samsung_device_pwm.dev,
22e649ff 524 .platform_data = &backlight_data,
525 },
526 .id = -1,
527};
528
529static void h1940_lcd_power_set(struct plat_lcd_data *pd,
530 unsigned int power)
531{
25d391cb 532 int value, retries = 100;
22e649ff 533
534 if (!power) {
53193dd3 535 gpio_set_value(S3C2410_GPC(0), 0);
22e649ff 536 /* wait for 3ac */
537 do {
db61ac54 538 value = gpio_get_value(S3C2410_GPC(6));
25d391cb 539 } while (value && retries--);
53193dd3
VK		 540
541 gpio_set_value(H1940_LATCH_LCD_P2, 0);
542 gpio_set_value(H1940_LATCH_LCD_P3, 0);
543 gpio_set_value(H1940_LATCH_LCD_P4, 0);
544
545 gpio_direction_output(S3C2410_GPC(1), 0);
546 gpio_direction_output(S3C2410_GPC(4), 0);
547
548 gpio_set_value(H1940_LATCH_LCD_P1, 0);
549 gpio_set_value(H1940_LATCH_LCD_P0, 0);
550
551 gpio_set_value(S3C2410_GPC(5), 0);
552
22e649ff 553 } else {
53193dd3
VK		 554 gpio_set_value(H1940_LATCH_LCD_P0, 1);
555 gpio_set_value(H1940_LATCH_LCD_P1, 1);
556
25d391cb
VK		 557 gpio_direction_input(S3C2410_GPC(1));
558 gpio_direction_input(S3C2410_GPC(4));
559 mdelay(10);
53193dd3
VK		 560 s3c_gpio_cfgpin(S3C2410_GPC(1), S3C_GPIO_SFN(2));
561 s3c_gpio_cfgpin(S3C2410_GPC(4), S3C_GPIO_SFN(2));
562
563 gpio_set_value(S3C2410_GPC(5), 1);
564 gpio_set_value(S3C2410_GPC(0), 1);
565
566 gpio_set_value(H1940_LATCH_LCD_P3, 1);
567 gpio_set_value(H1940_LATCH_LCD_P2, 1);
568 gpio_set_value(H1940_LATCH_LCD_P4, 1);
22e649ff 569 }
570}
571
572static struct plat_lcd_data h1940_lcd_power_data = {
573 .set_power = h1940_lcd_power_set,
574};
575
576static struct platform_device h1940_lcd_powerdev = {
577 .name = "platform-lcd",
578 .dev.parent = &s3c_device_lcd.dev,
579 .dev.platform_data = &h1940_lcd_power_data,
580};
581
68730b45
VK		 582static struct uda1380_platform_data uda1380_info = {
583 .gpio_power = H1940_LATCH_UDA_POWER,
584 .gpio_reset = S3C2410_GPA(12),
585 .dac_clk = UDA1380_DAC_CLK_SYSCLK,
586};
587
588static struct i2c_board_info h1940_i2c_devices[] = {
589 {
590 I2C_BOARD_INFO("uda1380", 0x1a),
591 .platform_data = &uda1380_info,
592 },
593};
594
bbb1c832
APR		 595#define DECLARE_BUTTON(p, k, n, w) \
596 { \
597 .gpio = p, \
598 .code = k, \
599 .desc = n, \
600 .wakeup = w, \
601 .active_low = 1, \
602 }
603
604static struct gpio_keys_button h1940_buttons[] = {
605 DECLARE_BUTTON(S3C2410_GPF(0), KEY_POWER, "Power", 1),
606 DECLARE_BUTTON(S3C2410_GPF(6), KEY_ENTER, "Select", 1),
607 DECLARE_BUTTON(S3C2410_GPF(7), KEY_RECORD, "Record", 0),
608 DECLARE_BUTTON(S3C2410_GPG(0), KEY_F11, "Calendar", 0),
609 DECLARE_BUTTON(S3C2410_GPG(2), KEY_F12, "Contacts", 0),
610 DECLARE_BUTTON(S3C2410_GPG(3), KEY_MAIL, "Mail", 0),
611 DECLARE_BUTTON(S3C2410_GPG(6), KEY_LEFT, "Left_arrow", 0),
612 DECLARE_BUTTON(S3C2410_GPG(7), KEY_HOMEPAGE, "Home", 0),
613 DECLARE_BUTTON(S3C2410_GPG(8), KEY_RIGHT, "Right_arrow", 0),
614 DECLARE_BUTTON(S3C2410_GPG(9), KEY_UP, "Up_arrow", 0),
615 DECLARE_BUTTON(S3C2410_GPG(10), KEY_DOWN, "Down_arrow", 0),
616};
617
618static struct gpio_keys_platform_data h1940_buttons_data = {
619 .buttons = h1940_buttons,
620 .nbuttons = ARRAY_SIZE(h1940_buttons),
621};
622
623static struct platform_device h1940_dev_buttons = {
624 .name = "gpio-keys",
625 .id = -1,
626 .dev = {
627 .platform_data = &h1940_buttons_data,
628 }
629};
630
1da177e4 631static struct platform_device *h1940_devices[] __initdata = {
bbb1c832 632 &h1940_dev_buttons,
b813248c 633 &s3c_device_ohci,
1da177e4
LT		 634 &s3c_device_lcd,
635 &s3c_device_wdt,
3e1b776c 636 &s3c_device_i2c0,
1da177e4 637 &s3c_device_iis,
71a9c424 638 &s3c_device_usbgadget,
ff34aaa9
BD		 639 &h1940_device_leds,
640 &h1940_device_bluetooth,
3909b9f7 641 &s3c_device_sdi,
13733d52 642 &s3c_device_rtc,
7fa33bdb 643 &samsung_device_pwm,
22e649ff 644 &h1940_backlight,
645 &h1940_lcd_powerdev,
17dcd13a
AP		 646 &s3c_device_adc,
647 &s3c_device_ts,
a8e99850
VK		 648 &power_supply,
649 &h1940_battery,
1da177e4
LT		 650};
651
5fe10ab1 652static void __init h1940_map_io(void)
1da177e4
LT		 653{
654 s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
1da177e4 655 s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
7f78b6eb 656 samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
9073341c
BD		 657
658 /* setup PM */
659
b1dfe1f1 660#ifdef CONFIG_PM_H1940
9073341c 661 memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024);
b1dfe1f1 662#endif
4e59c25d 663 s3c_pm_init();
14477095 664
53193dd3
VK		 665 /* Add latch gpio chip, set latch initial value */
666 h1940_latch_control(0, 0);
14477095 667 WARN_ON(gpiochip_add(&h1940_latch_gpiochip));
1da177e4
LT		 668}
669
07ee5e7c
HS		 670static void __init h1940_init_time(void)
671{
672 s3c2410_init_clocks(12000000);
673 samsung_timer_init();
674}
675
98c672cf
RK		 676/* H1940 and RX3715 need to reserve this for suspend */
677static void __init h1940_reserve(void)
678{
8d717a52
RK		 679 memblock_reserve(0x30003000, 0x1000);
680 memblock_reserve(0x30081000, 0x1000);
98c672cf
RK		 681}
682
5fe10ab1 683static void __init h1940_init(void)
f92273c1 684{
71a9c424
AP		 685 u32 tmp;
686
09fe75f6 687 s3c24xx_fb_set_platdata(&h1940_fb_info);
22c810ab 688 s3c24xx_mci_set_platdata(&h1940_mmc_cfg);
71a9c424 689 s3c24xx_udc_set_platdata(&h1940_udc_cfg);
ce8877b5 690 s3c24xx_ts_set_platdata(&h1940_ts_cfg);
3e1b776c 691 s3c_i2c0_set_platdata(NULL);
71a9c424
AP		 692
693 /* Turn off suspend on both USB ports, and switch the
694 * selectable USB port to USB device mode. */
695
696 s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
697 S3C2410_MISCCR_USBSUSPND0 |
698 S3C2410_MISCCR_USBSUSPND1, 0x0);
699
52e329eb
KK		 700 tmp = (0x78 << S3C24XX_PLL_MDIV_SHIFT)
701 | (0x02 << S3C24XX_PLL_PDIV_SHIFT)
702 | (0x03 << S3C24XX_PLL_SDIV_SHIFT);
71a9c424 703 writel(tmp, S3C2410_UPLLCON);
57e5171c 704
22e649ff 705 gpio_request(S3C2410_GPC(0), "LCD power");
53193dd3
VK		 706 gpio_request(S3C2410_GPC(1), "LCD power");
707 gpio_request(S3C2410_GPC(4), "LCD power");
22e649ff 708 gpio_request(S3C2410_GPC(5), "LCD power");
709 gpio_request(S3C2410_GPC(6), "LCD power");
53193dd3
VK		 710 gpio_request(H1940_LATCH_LCD_P0, "LCD power");
711 gpio_request(H1940_LATCH_LCD_P1, "LCD power");
712 gpio_request(H1940_LATCH_LCD_P2, "LCD power");
713 gpio_request(H1940_LATCH_LCD_P3, "LCD power");
714 gpio_request(H1940_LATCH_LCD_P4, "LCD power");
715 gpio_request(H1940_LATCH_MAX1698_nSHUTDOWN, "LCD power");
716 gpio_direction_output(S3C2410_GPC(0), 0);
717 gpio_direction_output(S3C2410_GPC(1), 0);
718 gpio_direction_output(S3C2410_GPC(4), 0);
719 gpio_direction_output(S3C2410_GPC(5), 0);
db61ac54 720 gpio_direction_input(S3C2410_GPC(6));
53193dd3
VK		 721 gpio_direction_output(H1940_LATCH_LCD_P0, 0);
722 gpio_direction_output(H1940_LATCH_LCD_P1, 0);
723 gpio_direction_output(H1940_LATCH_LCD_P2, 0);
724 gpio_direction_output(H1940_LATCH_LCD_P3, 0);
725 gpio_direction_output(H1940_LATCH_LCD_P4, 0);
726 gpio_direction_output(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
22e649ff 727
48cd65a6
VK		 728 gpio_request(H1940_LATCH_SD_POWER, "SD power");
729 gpio_direction_output(H1940_LATCH_SD_POWER, 0);
22e649ff 730
8c78aaa6 731 pwm_add_table(h1940_pwm_lookup, ARRAY_SIZE(h1940_pwm_lookup));
57e5171c 732 platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices));
68730b45 733
50e2d10d
VK		 734 gpio_request(S3C2410_GPA(1), "Red LED blink");
735 gpio_request(S3C2410_GPA(3), "Blue LED blink");
736 gpio_request(S3C2410_GPA(7), "Green LED blink");
737 gpio_request(H1940_LATCH_LED_FLASH, "LED blink");
738 gpio_direction_output(S3C2410_GPA(1), 0);
739 gpio_direction_output(S3C2410_GPA(3), 0);
740 gpio_direction_output(S3C2410_GPA(7), 0);
741 gpio_direction_output(H1940_LATCH_LED_FLASH, 0);
742
68730b45
VK		 743 i2c_register_board_info(0, h1940_i2c_devices,
744 ARRAY_SIZE(h1940_i2c_devices));
f92273c1
AP		 745}
746
1da177e4 747MACHINE_START(H1940, "IPAQ-H1940")
afdd225d 748 /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
69d50710 749 .atag_offset = 0x100,
e9dea0c6 750 .map_io = h1940_map_io,
98c672cf 751 .reserve = h1940_reserve,
f182aa1d 752 .init_irq = s3c2410_init_irq,
71a9c424 753 .init_machine = h1940_init,
07ee5e7c 754 .init_time = h1940_init_time,
1da177e4 755MACHINE_END
Linux 6.x block layer and io_uring tree(s)