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ARM: S3C24XX: make h1940.h and h1940-latch.h local
[deliverable/linux.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>
d052d1be 22#include <linux/platform_device.h>
fced80c7 23#include <linux/io.h>
3909b9f7 24#include <linux/gpio.h>
bbb1c832
APR		 25#include <linux/input.h>
26#include <linux/gpio_keys.h>
22e649ff 27#include <linux/pwm_backlight.h>
68730b45 28#include <linux/i2c.h>
50e2d10d 29#include <linux/leds.h>
a8e99850
VK		 30#include <linux/pda_power.h>
31#include <linux/s3c_adc_battery.h>
25d391cb 32#include <linux/delay.h>
50e2d10d 33
22e649ff 34#include <video/platform_lcd.h>
3909b9f7 35
36#include <linux/mmc/host.h>
dc28094b 37#include <linux/export.h>
1da177e4 38
232910d6
KK		 39#include <asm/irq.h>
40#include <asm/mach-types.h>
1da177e4
LT		 41#include <asm/mach/arch.h>
42#include <asm/mach/map.h>
43#include <asm/mach/irq.h>
44
232910d6
KK		 45#include <linux/platform_data/i2c-s3c2410.h>
46#include <linux/platform_data/mmc-s3cmci.h>
47#include <linux/platform_data/touchscreen-s3c2410.h>
48#include <linux/platform_data/usb-s3c2410_udc.h>
f92273c1 49
232910d6 50#include <sound/uda1380.h>
3909b9f7 51
a09e64fb 52#include <mach/fb.h>
232910d6
KK		 53#include <mach/hardware.h>
54#include <mach/regs-clock.h>
55#include <mach/regs-gpio.h>
56#include <mach/regs-lcd.h>
1da177e4 57
d5120ae7 58#include <plat/clock.h>
a2b7ba9c 59#include <plat/cpu.h>
232910d6
KK		 60#include <plat/devs.h>
61#include <plat/gpio-cfg.h>
e24b864a 62#include <plat/pll.h>
a2b7ba9c 63#include <plat/pm.h>
232910d6 64#include <plat/regs-serial.h>
1da177e4 65
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
1da177e4 76static struct map_desc h1940_iodesc[] __initdata = {
e1981680
BD		 77 [0] = {
78 .virtual = (unsigned long)H1940_LATCH,
79 .pfn = __phys_to_pfn(H1940_PA_LATCH),
80 .length = SZ_16K,
81 .type = MT_DEVICE
82 },
1da177e4
LT		 83};
84
85#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
86#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
87#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
88
66a9b49a 89static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = {
1da177e4
LT		 90 [0] = {
91 .hwport = 0,
92 .flags = 0,
93 .ucon = 0x3c5,
94 .ulcon = 0x03,
95 .ufcon = 0x51,
96 },
97 [1] = {
98 .hwport = 1,
99 .flags = 0,
100 .ucon = 0x245,
101 .ulcon = 0x03,
102 .ufcon = 0x00,
103 },
104 /* IR port */
105 [2] = {
106 .hwport = 2,
107 .flags = 0,
108 .uart_flags = UPF_CONS_FLOW,
109 .ucon = 0x3c5,
110 .ulcon = 0x43,
111 .ufcon = 0x51,
112 }
113};
114
e1981680
BD		 115/* Board control latch control */
116
53193dd3 117static unsigned int latch_state;
e1981680 118
14477095 119static void h1940_latch_control(unsigned int clear, unsigned int set)
e1981680
BD		 120{
121 unsigned long flags;
122
123 local_irq_save(flags);
124
125 latch_state &= ~clear;
126 latch_state |= set;
127
128 __raw_writel(latch_state, H1940_LATCH);
129
130 local_irq_restore(flags);
131}
132
14477095
VK		 133static inline int h1940_gpiolib_to_latch(int offset)
134{
135 return 1 << (offset + 16);
136}
137
138static void h1940_gpiolib_latch_set(struct gpio_chip *chip,
139 unsigned offset, int value)
140{
141 int latch_bit = h1940_gpiolib_to_latch(offset);
142
143 h1940_latch_control(value ? 0 : latch_bit,
144 value ? latch_bit : 0);
145}
146
147static int h1940_gpiolib_latch_output(struct gpio_chip *chip,
148 unsigned offset, int value)
149{
150 h1940_gpiolib_latch_set(chip, offset, value);
151 return 0;
152}
153
154static int h1940_gpiolib_latch_get(struct gpio_chip *chip,
155 unsigned offset)
156{
157 return (latch_state >> (offset + 16)) & 1;
158}
159
4cfb7b7c 160static struct gpio_chip h1940_latch_gpiochip = {
14477095
VK		 161 .base = H1940_LATCH_GPIO(0),
162 .owner = THIS_MODULE,
163 .label = "H1940_LATCH",
164 .ngpio = 16,
165 .direction_output = h1940_gpiolib_latch_output,
166 .set = h1940_gpiolib_latch_set,
167 .get = h1940_gpiolib_latch_get,
168};
1da177e4 169
71a9c424 170static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = {
070276d5 171 .vbus_pin = S3C2410_GPG(5),
71a9c424 172 .vbus_pin_inverted = 1,
e27c3c5c 173 .pullup_pin = H1940_LATCH_USB_DP,
71a9c424
AP		 174};
175
ce8877b5
AP		 176static struct s3c2410_ts_mach_info h1940_ts_cfg __initdata = {
177 .delay = 10000,
178 .presc = 49,
179 .oversampling_shift = 2,
5bfdca14 180 .cfg_gpio = s3c24xx_ts_cfg_gpio,
ce8877b5 181};
71a9c424 182
f92273c1
AP		 183/**
184 * Set lcd on or off
185 **/
09fe75f6 186static struct s3c2410fb_display h1940_lcd __initdata = {
f28ef573
KH		 187 .lcdcon5= S3C2410_LCDCON5_FRM565 | \
188 S3C2410_LCDCON5_INVVLINE | \
189 S3C2410_LCDCON5_HWSWP,
09fe75f6 190
1f411537 191 .type = S3C2410_LCDCON1_TFT,
09fe75f6
KH		 192 .width = 240,
193 .height = 320,
69816699 194 .pixclock = 260000,
09fe75f6
KH		 195 .xres = 240,
196 .yres = 320,
197 .bpp = 16,
26be1b7b
MS		 198 .left_margin = 8,
199 .right_margin = 20,
93d11f5a 200 .hsync_len = 4,
5f20f69b
KH		 201 .upper_margin = 8,
202 .lower_margin = 7,
93d11f5a 203 .vsync_len = 1,
09fe75f6
KH		 204};
205
206static struct s3c2410fb_mach_info h1940_fb_info __initdata = {
09fe75f6
KH		 207 .displays = &h1940_lcd,
208 .num_displays = 1,
209 .default_display = 0,
210
25d391cb
VK		 211 .lpcsel = 0x02,
212 .gpccon = 0xaa940659,
213 .gpccon_mask = 0xffffc0f0,
214 .gpcup = 0x0000ffff,
215 .gpcup_mask = 0xffffffff,
216 .gpdcon = 0xaa84aaa0,
217 .gpdcon_mask = 0xffffffff,
218 .gpdup = 0x0000faff,
219 .gpdup_mask = 0xffffffff,
f92273c1 220};
1da177e4 221
a8e99850
VK		 222static int power_supply_init(struct device *dev)
223{
224 return gpio_request(S3C2410_GPF(2), "cable plugged");
225}
226
227static int h1940_is_ac_online(void)
228{
229 return !gpio_get_value(S3C2410_GPF(2));
230}
231
232static void power_supply_exit(struct device *dev)
233{
234 gpio_free(S3C2410_GPF(2));
235}
236
237static char *h1940_supplicants[] = {
238 "main-battery",
239 "backup-battery",
240};
241
242static struct pda_power_pdata power_supply_info = {
243 .init = power_supply_init,
244 .is_ac_online = h1940_is_ac_online,
245 .exit = power_supply_exit,
246 .supplied_to = h1940_supplicants,
247 .num_supplicants = ARRAY_SIZE(h1940_supplicants),
248};
249
250static struct resource power_supply_resources[] = {
635a4726
TB		 251 [0] = DEFINE_RES_NAMED(IRQ_EINT2, 1, "ac", IORESOURCE_IRQ \
252 | IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE),
a8e99850
VK		 253};
254
255static struct platform_device power_supply = {
256 .name = "pda-power",
257 .id = -1,
258 .dev = {
259 .platform_data =
260 &power_supply_info,
261 },
262 .resource = power_supply_resources,
263 .num_resources = ARRAY_SIZE(power_supply_resources),
264};
265
266static const struct s3c_adc_bat_thresh bat_lut_noac[] = {
267 { .volt = 4070, .cur = 162, .level = 100},
268 { .volt = 4040, .cur = 165, .level = 95},
269 { .volt = 4016, .cur = 164, .level = 90},
270 { .volt = 3996, .cur = 166, .level = 85},
271 { .volt = 3971, .cur = 168, .level = 80},
272 { .volt = 3951, .cur = 168, .level = 75},
273 { .volt = 3931, .cur = 170, .level = 70},
274 { .volt = 3903, .cur = 172, .level = 65},
275 { .volt = 3886, .cur = 172, .level = 60},
276 { .volt = 3858, .cur = 176, .level = 55},
277 { .volt = 3842, .cur = 176, .level = 50},
278 { .volt = 3818, .cur = 176, .level = 45},
279 { .volt = 3789, .cur = 180, .level = 40},
280 { .volt = 3769, .cur = 180, .level = 35},
281 { .volt = 3749, .cur = 184, .level = 30},
282 { .volt = 3732, .cur = 184, .level = 25},
283 { .volt = 3716, .cur = 184, .level = 20},
284 { .volt = 3708, .cur = 184, .level = 15},
285 { .volt = 3716, .cur = 96, .level = 10},
286 { .volt = 3700, .cur = 96, .level = 5},
287 { .volt = 3684, .cur = 96, .level = 0},
288};
289
290static const struct s3c_adc_bat_thresh bat_lut_acin[] = {
291 { .volt = 4130, .cur = 0, .level = 100},
292 { .volt = 3982, .cur = 0, .level = 50},
293 { .volt = 3854, .cur = 0, .level = 10},
294 { .volt = 3841, .cur = 0, .level = 0},
295};
296
4cfb7b7c 297static int h1940_bat_init(void)
a8e99850
VK		 298{
299 int ret;
300
301 ret = gpio_request(H1940_LATCH_SM803_ENABLE, "h1940-charger-enable");
302 if (ret)
303 return ret;
304 gpio_direction_output(H1940_LATCH_SM803_ENABLE, 0);
305
306 return 0;
307
308}
309
4cfb7b7c 310static void h1940_bat_exit(void)
a8e99850
VK		 311{
312 gpio_free(H1940_LATCH_SM803_ENABLE);
313}
314
4cfb7b7c 315static void h1940_enable_charger(void)
a8e99850
VK		 316{
317 gpio_set_value(H1940_LATCH_SM803_ENABLE, 1);
318}
319
4cfb7b7c 320static void h1940_disable_charger(void)
a8e99850
VK		 321{
322 gpio_set_value(H1940_LATCH_SM803_ENABLE, 0);
323}
324
325static struct s3c_adc_bat_pdata h1940_bat_cfg = {
326 .init = h1940_bat_init,
327 .exit = h1940_bat_exit,
328 .enable_charger = h1940_enable_charger,
329 .disable_charger = h1940_disable_charger,
330 .gpio_charge_finished = S3C2410_GPF(3),
331 .gpio_inverted = 1,
332 .lut_noac = bat_lut_noac,
333 .lut_noac_cnt = ARRAY_SIZE(bat_lut_noac),
334 .lut_acin = bat_lut_acin,
335 .lut_acin_cnt = ARRAY_SIZE(bat_lut_acin),
336 .volt_channel = 0,
337 .current_channel = 1,
338 .volt_mult = 4056,
339 .current_mult = 1893,
340 .internal_impedance = 200,
341 .backup_volt_channel = 3,
342 /* TODO Check backup volt multiplier */
343 .backup_volt_mult = 4056,
344 .backup_volt_min = 0,
345 .backup_volt_max = 4149288
346};
347
348static struct platform_device h1940_battery = {
349 .name = "s3c-adc-battery",
350 .id = -1,
351 .dev = {
352 .parent = &s3c_device_adc.dev,
353 .platform_data = &h1940_bat_cfg,
354 },
355};
356
4cfb7b7c 357static DEFINE_SPINLOCK(h1940_blink_spin);
50e2d10d
VK		 358
359int h1940_led_blink_set(unsigned gpio, int state,
360 unsigned long *delay_on, unsigned long *delay_off)
361{
362 int blink_gpio, check_gpio1, check_gpio2;
363
364 switch (gpio) {
365 case H1940_LATCH_LED_GREEN:
366 blink_gpio = S3C2410_GPA(7);
367 check_gpio1 = S3C2410_GPA(1);
368 check_gpio2 = S3C2410_GPA(3);
369 break;
370 case H1940_LATCH_LED_RED:
371 blink_gpio = S3C2410_GPA(1);
372 check_gpio1 = S3C2410_GPA(7);
373 check_gpio2 = S3C2410_GPA(3);
374 break;
375 default:
376 blink_gpio = S3C2410_GPA(3);
377 check_gpio1 = S3C2410_GPA(1);
884dc5a2 378 check_gpio2 = S3C2410_GPA(7);
50e2d10d
VK		 379 break;
380 }
381
382 if (delay_on && delay_off && !*delay_on && !*delay_off)
383 *delay_on = *delay_off = 500;
384
385 spin_lock(&h1940_blink_spin);
386
387 switch (state) {
388 case GPIO_LED_NO_BLINK_LOW:
389 case GPIO_LED_NO_BLINK_HIGH:
390 if (!gpio_get_value(check_gpio1) &&
391 !gpio_get_value(check_gpio2))
392 gpio_set_value(H1940_LATCH_LED_FLASH, 0);
393 gpio_set_value(blink_gpio, 0);
394 if (gpio_is_valid(gpio))
395 gpio_set_value(gpio, state);
396 break;
397 case GPIO_LED_BLINK:
398 if (gpio_is_valid(gpio))
399 gpio_set_value(gpio, 0);
400 gpio_set_value(H1940_LATCH_LED_FLASH, 1);
401 gpio_set_value(blink_gpio, 1);
402 break;
403 }
404
405 spin_unlock(&h1940_blink_spin);
406
407 return 0;
408}
409EXPORT_SYMBOL(h1940_led_blink_set);
410
411static struct gpio_led h1940_leds_desc[] = {
412 {
413 .name = "Green",
9edb2406 414 .default_trigger = "main-battery-full",
50e2d10d
VK		 415 .gpio = H1940_LATCH_LED_GREEN,
416 .retain_state_suspended = 1,
417 },
418 {
419 .name = "Red",
9edb2406
VK		 420 .default_trigger
421 = "main-battery-charging-blink-full-solid",
50e2d10d
VK		 422 .gpio = H1940_LATCH_LED_RED,
423 .retain_state_suspended = 1,
424 },
425};
426
427static struct gpio_led_platform_data h1940_leds_pdata = {
428 .num_leds = ARRAY_SIZE(h1940_leds_desc),
429 .leds = h1940_leds_desc,
430 .gpio_blink_set = h1940_led_blink_set,
431};
432
ff34aaa9 433static struct platform_device h1940_device_leds = {
50e2d10d
VK		 434 .name = "leds-gpio",
435 .id = -1,
436 .dev = {
437 .platform_data = &h1940_leds_pdata,
438 },
d2a76020
AP		 439};
440
ff34aaa9 441static struct platform_device h1940_device_bluetooth = {
7fdc7849
AP		 442 .name = "h1940-bt",
443 .id = -1,
444};
445
48cd65a6
VK		 446static void h1940_set_mmc_power(unsigned char power_mode, unsigned short vdd)
447{
448 switch (power_mode) {
449 case MMC_POWER_OFF:
450 gpio_set_value(H1940_LATCH_SD_POWER, 0);
451 break;
452 case MMC_POWER_UP:
453 case MMC_POWER_ON:
454 gpio_set_value(H1940_LATCH_SD_POWER, 1);
455 break;
456 default:
457 break;
dec2e82a 458 }
48cd65a6
VK		 459}
460
22c810ab 461static struct s3c24xx_mci_pdata h1940_mmc_cfg __initdata = {
3909b9f7 462 .gpio_detect = S3C2410_GPF(5),
463 .gpio_wprotect = S3C2410_GPH(8),
48cd65a6 464 .set_power = h1940_set_mmc_power,
3909b9f7 465 .ocr_avail = MMC_VDD_32_33,
466};
467
22e649ff 468static int h1940_backlight_init(struct device *dev)
469{
470 gpio_request(S3C2410_GPB(0), "Backlight");
471
db61ac54 472 gpio_direction_output(S3C2410_GPB(0), 0);
fb378747 473 s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE);
40b956f0 474 s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
53193dd3 475 gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1);
22e649ff 476
477 return 0;
478}
479
53193dd3
VK		 480static int h1940_backlight_notify(struct device *dev, int brightness)
481{
482 if (!brightness) {
483 gpio_direction_output(S3C2410_GPB(0), 1);
484 gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
485 } else {
486 gpio_direction_output(S3C2410_GPB(0), 0);
487 s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE);
488 s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
489 gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1);
490 }
491 return brightness;
492}
493
22e649ff 494static void h1940_backlight_exit(struct device *dev)
495{
db61ac54 496 gpio_direction_output(S3C2410_GPB(0), 1);
53193dd3 497 gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
22e649ff 498}
499
53193dd3 500
22e649ff 501static struct platform_pwm_backlight_data backlight_data = {
502 .pwm_id = 0,
503 .max_brightness = 100,
504 .dft_brightness = 50,
505 /* tcnt = 0x31 */
506 .pwm_period_ns = 36296,
507 .init = h1940_backlight_init,
53193dd3 508 .notify = h1940_backlight_notify,
22e649ff 509 .exit = h1940_backlight_exit,
510};
511
512static struct platform_device h1940_backlight = {
513 .name = "pwm-backlight",
514 .dev = {
515 .parent = &s3c_device_timer[0].dev,
516 .platform_data = &backlight_data,
517 },
518 .id = -1,
519};
520
521static void h1940_lcd_power_set(struct plat_lcd_data *pd,
522 unsigned int power)
523{
25d391cb 524 int value, retries = 100;
22e649ff 525
526 if (!power) {
53193dd3 527 gpio_set_value(S3C2410_GPC(0), 0);
22e649ff 528 /* wait for 3ac */
529 do {
db61ac54 530 value = gpio_get_value(S3C2410_GPC(6));
25d391cb 531 } while (value && retries--);
53193dd3
VK		 532
533 gpio_set_value(H1940_LATCH_LCD_P2, 0);
534 gpio_set_value(H1940_LATCH_LCD_P3, 0);
535 gpio_set_value(H1940_LATCH_LCD_P4, 0);
536
537 gpio_direction_output(S3C2410_GPC(1), 0);
538 gpio_direction_output(S3C2410_GPC(4), 0);
539
540 gpio_set_value(H1940_LATCH_LCD_P1, 0);
541 gpio_set_value(H1940_LATCH_LCD_P0, 0);
542
543 gpio_set_value(S3C2410_GPC(5), 0);
544
22e649ff 545 } else {
53193dd3
VK		 546 gpio_set_value(H1940_LATCH_LCD_P0, 1);
547 gpio_set_value(H1940_LATCH_LCD_P1, 1);
548
25d391cb
VK		 549 gpio_direction_input(S3C2410_GPC(1));
550 gpio_direction_input(S3C2410_GPC(4));
551 mdelay(10);
53193dd3
VK		 552 s3c_gpio_cfgpin(S3C2410_GPC(1), S3C_GPIO_SFN(2));
553 s3c_gpio_cfgpin(S3C2410_GPC(4), S3C_GPIO_SFN(2));
554
555 gpio_set_value(S3C2410_GPC(5), 1);
556 gpio_set_value(S3C2410_GPC(0), 1);
557
558 gpio_set_value(H1940_LATCH_LCD_P3, 1);
559 gpio_set_value(H1940_LATCH_LCD_P2, 1);
560 gpio_set_value(H1940_LATCH_LCD_P4, 1);
22e649ff 561 }
562}
563
564static struct plat_lcd_data h1940_lcd_power_data = {
565 .set_power = h1940_lcd_power_set,
566};
567
568static struct platform_device h1940_lcd_powerdev = {
569 .name = "platform-lcd",
570 .dev.parent = &s3c_device_lcd.dev,
571 .dev.platform_data = &h1940_lcd_power_data,
572};
573
68730b45
VK		 574static struct uda1380_platform_data uda1380_info = {
575 .gpio_power = H1940_LATCH_UDA_POWER,
576 .gpio_reset = S3C2410_GPA(12),
577 .dac_clk = UDA1380_DAC_CLK_SYSCLK,
578};
579
580static struct i2c_board_info h1940_i2c_devices[] = {
581 {
582 I2C_BOARD_INFO("uda1380", 0x1a),
583 .platform_data = &uda1380_info,
584 },
585};
586
bbb1c832
APR		 587#define DECLARE_BUTTON(p, k, n, w) \
588 { \
589 .gpio = p, \
590 .code = k, \
591 .desc = n, \
592 .wakeup = w, \
593 .active_low = 1, \
594 }
595
596static struct gpio_keys_button h1940_buttons[] = {
597 DECLARE_BUTTON(S3C2410_GPF(0), KEY_POWER, "Power", 1),
598 DECLARE_BUTTON(S3C2410_GPF(6), KEY_ENTER, "Select", 1),
599 DECLARE_BUTTON(S3C2410_GPF(7), KEY_RECORD, "Record", 0),
600 DECLARE_BUTTON(S3C2410_GPG(0), KEY_F11, "Calendar", 0),
601 DECLARE_BUTTON(S3C2410_GPG(2), KEY_F12, "Contacts", 0),
602 DECLARE_BUTTON(S3C2410_GPG(3), KEY_MAIL, "Mail", 0),
603 DECLARE_BUTTON(S3C2410_GPG(6), KEY_LEFT, "Left_arrow", 0),
604 DECLARE_BUTTON(S3C2410_GPG(7), KEY_HOMEPAGE, "Home", 0),
605 DECLARE_BUTTON(S3C2410_GPG(8), KEY_RIGHT, "Right_arrow", 0),
606 DECLARE_BUTTON(S3C2410_GPG(9), KEY_UP, "Up_arrow", 0),
607 DECLARE_BUTTON(S3C2410_GPG(10), KEY_DOWN, "Down_arrow", 0),
608};
609
610static struct gpio_keys_platform_data h1940_buttons_data = {
611 .buttons = h1940_buttons,
612 .nbuttons = ARRAY_SIZE(h1940_buttons),
613};
614
615static struct platform_device h1940_dev_buttons = {
616 .name = "gpio-keys",
617 .id = -1,
618 .dev = {
619 .platform_data = &h1940_buttons_data,
620 }
621};
622
1da177e4 623static struct platform_device *h1940_devices[] __initdata = {
bbb1c832 624 &h1940_dev_buttons,
b813248c 625 &s3c_device_ohci,
1da177e4
LT		 626 &s3c_device_lcd,
627 &s3c_device_wdt,
3e1b776c 628 &s3c_device_i2c0,
1da177e4 629 &s3c_device_iis,
71a9c424 630 &s3c_device_usbgadget,
ff34aaa9
BD		 631 &h1940_device_leds,
632 &h1940_device_bluetooth,
3909b9f7 633 &s3c_device_sdi,
13733d52 634 &s3c_device_rtc,
22e649ff 635 &s3c_device_timer[0],
636 &h1940_backlight,
637 &h1940_lcd_powerdev,
17dcd13a
AP		 638 &s3c_device_adc,
639 &s3c_device_ts,
a8e99850
VK		 640 &power_supply,
641 &h1940_battery,
1da177e4
LT		 642};
643
5fe10ab1 644static void __init h1940_map_io(void)
1da177e4
LT		 645{
646 s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
647 s3c24xx_init_clocks(0);
648 s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
9073341c
BD		 649
650 /* setup PM */
651
b1dfe1f1 652#ifdef CONFIG_PM_H1940
9073341c 653 memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024);
b1dfe1f1 654#endif
4e59c25d 655 s3c_pm_init();
14477095 656
53193dd3
VK		 657 /* Add latch gpio chip, set latch initial value */
658 h1940_latch_control(0, 0);
14477095 659 WARN_ON(gpiochip_add(&h1940_latch_gpiochip));
1da177e4
LT		 660}
661
98c672cf
RK		 662/* H1940 and RX3715 need to reserve this for suspend */
663static void __init h1940_reserve(void)
664{
8d717a52
RK		 665 memblock_reserve(0x30003000, 0x1000);
666 memblock_reserve(0x30081000, 0x1000);
98c672cf
RK		 667}
668
5fe10ab1 669static void __init h1940_init_irq(void)
1da177e4
LT		 670{
671 s3c24xx_init_irq();
1da177e4
LT		 672}
673
5fe10ab1 674static void __init h1940_init(void)
f92273c1 675{
71a9c424
AP		 676 u32 tmp;
677
09fe75f6 678 s3c24xx_fb_set_platdata(&h1940_fb_info);
22c810ab 679 s3c24xx_mci_set_platdata(&h1940_mmc_cfg);
71a9c424 680 s3c24xx_udc_set_platdata(&h1940_udc_cfg);
ce8877b5 681 s3c24xx_ts_set_platdata(&h1940_ts_cfg);
3e1b776c 682 s3c_i2c0_set_platdata(NULL);
71a9c424
AP		 683
684 /* Turn off suspend on both USB ports, and switch the
685 * selectable USB port to USB device mode. */
686
687 s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
688 S3C2410_MISCCR_USBSUSPND0 |
689 S3C2410_MISCCR_USBSUSPND1, 0x0);
690
52e329eb
KK		 691 tmp = (0x78 << S3C24XX_PLL_MDIV_SHIFT)
692 | (0x02 << S3C24XX_PLL_PDIV_SHIFT)
693 | (0x03 << S3C24XX_PLL_SDIV_SHIFT);
71a9c424 694 writel(tmp, S3C2410_UPLLCON);
57e5171c 695
22e649ff 696 gpio_request(S3C2410_GPC(0), "LCD power");
53193dd3
VK		 697 gpio_request(S3C2410_GPC(1), "LCD power");
698 gpio_request(S3C2410_GPC(4), "LCD power");
22e649ff 699 gpio_request(S3C2410_GPC(5), "LCD power");
700 gpio_request(S3C2410_GPC(6), "LCD power");
53193dd3
VK		 701 gpio_request(H1940_LATCH_LCD_P0, "LCD power");
702 gpio_request(H1940_LATCH_LCD_P1, "LCD power");
703 gpio_request(H1940_LATCH_LCD_P2, "LCD power");
704 gpio_request(H1940_LATCH_LCD_P3, "LCD power");
705 gpio_request(H1940_LATCH_LCD_P4, "LCD power");
706 gpio_request(H1940_LATCH_MAX1698_nSHUTDOWN, "LCD power");
707 gpio_direction_output(S3C2410_GPC(0), 0);
708 gpio_direction_output(S3C2410_GPC(1), 0);
709 gpio_direction_output(S3C2410_GPC(4), 0);
710 gpio_direction_output(S3C2410_GPC(5), 0);
db61ac54 711 gpio_direction_input(S3C2410_GPC(6));
53193dd3
VK		 712 gpio_direction_output(H1940_LATCH_LCD_P0, 0);
713 gpio_direction_output(H1940_LATCH_LCD_P1, 0);
714 gpio_direction_output(H1940_LATCH_LCD_P2, 0);
715 gpio_direction_output(H1940_LATCH_LCD_P3, 0);
716 gpio_direction_output(H1940_LATCH_LCD_P4, 0);
717 gpio_direction_output(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
22e649ff 718
48cd65a6
VK		 719 gpio_request(H1940_LATCH_SD_POWER, "SD power");
720 gpio_direction_output(H1940_LATCH_SD_POWER, 0);
22e649ff 721
57e5171c 722 platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices));
68730b45 723
50e2d10d
VK		 724 gpio_request(S3C2410_GPA(1), "Red LED blink");
725 gpio_request(S3C2410_GPA(3), "Blue LED blink");
726 gpio_request(S3C2410_GPA(7), "Green LED blink");
727 gpio_request(H1940_LATCH_LED_FLASH, "LED blink");
728 gpio_direction_output(S3C2410_GPA(1), 0);
729 gpio_direction_output(S3C2410_GPA(3), 0);
730 gpio_direction_output(S3C2410_GPA(7), 0);
731 gpio_direction_output(H1940_LATCH_LED_FLASH, 0);
732
68730b45
VK		 733 i2c_register_board_info(0, h1940_i2c_devices,
734 ARRAY_SIZE(h1940_i2c_devices));
f92273c1
AP		 735}
736
1da177e4 737MACHINE_START(H1940, "IPAQ-H1940")
afdd225d 738 /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
69d50710 739 .atag_offset = 0x100,
e9dea0c6 740 .map_io = h1940_map_io,
98c672cf 741 .reserve = h1940_reserve,
e9dea0c6 742 .init_irq = h1940_init_irq,
71a9c424 743 .init_machine = h1940_init,
1da177e4 744 .timer = &s3c24xx_timer,
b27b0727 745 .restart = s3c2410_restart,
1da177e4 746MACHINE_END
Linux kernel - Deliverables
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