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ARM: EXYNOS: use static declaration when it is not used in other files
[linux-2.6-block.git] / arch / arm / mach-s3c2410 / mach-h1940.c
CommitLineData
1da177e4
LT		 1/* linux/arch/arm/mach-s3c2410/mach-h1940.c
2 *
3 * Copyright (c) 2003-2005 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
5 *
6 * http://www.handhelds.org/projects/h1940.html
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 *
1da177e4
LT		 12*/
13
14#include <linux/kernel.h>
15#include <linux/types.h>
16#include <linux/interrupt.h>
17#include <linux/list.h>
8d717a52 18#include <linux/memblock.h>
1da177e4
LT		 19#include <linux/timer.h>
20#include <linux/init.h>
edbaa603 21#include <linux/device.h>
b6d1f542 22#include <linux/serial_core.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>
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 36
37#include <linux/mmc/host.h>
dc28094b 38#include <linux/export.h>
1da177e4
LT		 39
40#include <asm/mach/arch.h>
41#include <asm/mach/map.h>
42#include <asm/mach/irq.h>
43
a09e64fb 44#include <mach/hardware.h>
1da177e4
LT		 45#include <asm/irq.h>
46#include <asm/mach-types.h>
47
a2b7ba9c 48#include <plat/regs-serial.h>
a09e64fb 49#include <mach/regs-lcd.h>
a09e64fb 50#include <mach/regs-clock.h>
f92273c1 51
3909b9f7 52#include <mach/regs-gpio.h>
53#include <mach/gpio-fns.h>
54#include <mach/gpio-nrs.h>
55
a09e64fb
RK		 56#include <mach/h1940.h>
57#include <mach/h1940-latch.h>
58#include <mach/fb.h>
57bd4b91 59#include <plat/udc.h>
3e1b776c 60#include <plat/iic.h>
1da177e4 61
40b956f0 62#include <plat/gpio-cfg.h>
d5120ae7 63#include <plat/clock.h>
a2b7ba9c
BD		 64#include <plat/devs.h>
65#include <plat/cpu.h>
e24b864a 66#include <plat/pll.h>
a2b7ba9c 67#include <plat/pm.h>
3909b9f7 68#include <plat/mci.h>
73e59b1d 69#include <plat/ts.h>
1da177e4 70
68730b45
VK		 71#include <sound/uda1380.h>
72
b27b0727
KK		 73#include "common.h"
74
14477095
VK		 75#define H1940_LATCH ((void __force __iomem *)0xF8000000)
76
77#define H1940_PA_LATCH S3C2410_CS2
78
79#define H1940_LATCH_BIT(x) (1 << ((x) + 16 - S3C_GPIO_END))
80
1da177e4 81static struct map_desc h1940_iodesc[] __initdata = {
e1981680
BD		 82 [0] = {
83 .virtual = (unsigned long)H1940_LATCH,
84 .pfn = __phys_to_pfn(H1940_PA_LATCH),
85 .length = SZ_16K,
86 .type = MT_DEVICE
87 },
1da177e4
LT		 88};
89
90#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
91#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
92#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
93
66a9b49a 94static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = {
1da177e4
LT		 95 [0] = {
96 .hwport = 0,
97 .flags = 0,
98 .ucon = 0x3c5,
99 .ulcon = 0x03,
100 .ufcon = 0x51,
101 },
102 [1] = {
103 .hwport = 1,
104 .flags = 0,
105 .ucon = 0x245,
106 .ulcon = 0x03,
107 .ufcon = 0x00,
108 },
109 /* IR port */
110 [2] = {
111 .hwport = 2,
112 .flags = 0,
113 .uart_flags = UPF_CONS_FLOW,
114 .ucon = 0x3c5,
115 .ulcon = 0x43,
116 .ufcon = 0x51,
117 }
118};
119
e1981680
BD		 120/* Board control latch control */
121
53193dd3 122static unsigned int latch_state;
e1981680 123
14477095 124static void h1940_latch_control(unsigned int clear, unsigned int set)
e1981680
BD		 125{
126 unsigned long flags;
127
128 local_irq_save(flags);
129
130 latch_state &= ~clear;
131 latch_state |= set;
132
133 __raw_writel(latch_state, H1940_LATCH);
134
135 local_irq_restore(flags);
136}
137
14477095
VK		 138static inline int h1940_gpiolib_to_latch(int offset)
139{
140 return 1 << (offset + 16);
141}
142
143static void h1940_gpiolib_latch_set(struct gpio_chip *chip,
144 unsigned offset, int value)
145{
146 int latch_bit = h1940_gpiolib_to_latch(offset);
147
148 h1940_latch_control(value ? 0 : latch_bit,
149 value ? latch_bit : 0);
150}
151
152static int h1940_gpiolib_latch_output(struct gpio_chip *chip,
153 unsigned offset, int value)
154{
155 h1940_gpiolib_latch_set(chip, offset, value);
156 return 0;
157}
158
159static int h1940_gpiolib_latch_get(struct gpio_chip *chip,
160 unsigned offset)
161{
162 return (latch_state >> (offset + 16)) & 1;
163}
164
165struct gpio_chip h1940_latch_gpiochip = {
166 .base = H1940_LATCH_GPIO(0),
167 .owner = THIS_MODULE,
168 .label = "H1940_LATCH",
169 .ngpio = 16,
170 .direction_output = h1940_gpiolib_latch_output,
171 .set = h1940_gpiolib_latch_set,
172 .get = h1940_gpiolib_latch_get,
173};
1da177e4 174
71a9c424 175static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = {
070276d5 176 .vbus_pin = S3C2410_GPG(5),
71a9c424 177 .vbus_pin_inverted = 1,
e27c3c5c 178 .pullup_pin = H1940_LATCH_USB_DP,
71a9c424
AP		 179};
180
ce8877b5
AP		 181static struct s3c2410_ts_mach_info h1940_ts_cfg __initdata = {
182 .delay = 10000,
183 .presc = 49,
184 .oversampling_shift = 2,
5bfdca14 185 .cfg_gpio = s3c24xx_ts_cfg_gpio,
ce8877b5 186};
71a9c424 187
f92273c1
AP		 188/**
189 * Set lcd on or off
190 **/
09fe75f6 191static struct s3c2410fb_display h1940_lcd __initdata = {
f28ef573
KH		 192 .lcdcon5= S3C2410_LCDCON5_FRM565 | \
193 S3C2410_LCDCON5_INVVLINE | \
194 S3C2410_LCDCON5_HWSWP,
09fe75f6 195
1f411537 196 .type = S3C2410_LCDCON1_TFT,
09fe75f6
KH		 197 .width = 240,
198 .height = 320,
69816699 199 .pixclock = 260000,
09fe75f6
KH		 200 .xres = 240,
201 .yres = 320,
202 .bpp = 16,
26be1b7b
MS		 203 .left_margin = 8,
204 .right_margin = 20,
93d11f5a 205 .hsync_len = 4,
5f20f69b
KH		 206 .upper_margin = 8,
207 .lower_margin = 7,
93d11f5a 208 .vsync_len = 1,
09fe75f6
KH		 209};
210
211static struct s3c2410fb_mach_info h1940_fb_info __initdata = {
09fe75f6
KH		 212 .displays = &h1940_lcd,
213 .num_displays = 1,
214 .default_display = 0,
215
25d391cb
VK		 216 .lpcsel = 0x02,
217 .gpccon = 0xaa940659,
218 .gpccon_mask = 0xffffc0f0,
219 .gpcup = 0x0000ffff,
220 .gpcup_mask = 0xffffffff,
221 .gpdcon = 0xaa84aaa0,
222 .gpdcon_mask = 0xffffffff,
223 .gpdup = 0x0000faff,
224 .gpdup_mask = 0xffffffff,
f92273c1 225};
1da177e4 226
a8e99850
VK		 227static int power_supply_init(struct device *dev)
228{
229 return gpio_request(S3C2410_GPF(2), "cable plugged");
230}
231
232static int h1940_is_ac_online(void)
233{
234 return !gpio_get_value(S3C2410_GPF(2));
235}
236
237static void power_supply_exit(struct device *dev)
238{
239 gpio_free(S3C2410_GPF(2));
240}
241
242static char *h1940_supplicants[] = {
243 "main-battery",
244 "backup-battery",
245};
246
247static struct pda_power_pdata power_supply_info = {
248 .init = power_supply_init,
249 .is_ac_online = h1940_is_ac_online,
250 .exit = power_supply_exit,
251 .supplied_to = h1940_supplicants,
252 .num_supplicants = ARRAY_SIZE(h1940_supplicants),
253};
254
255static struct resource power_supply_resources[] = {
256 [0] = {
257 .name = "ac",
258 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE |
259 IORESOURCE_IRQ_HIGHEDGE,
260 .start = IRQ_EINT2,
261 .end = IRQ_EINT2,
262 },
263};
264
265static struct platform_device power_supply = {
266 .name = "pda-power",
267 .id = -1,
268 .dev = {
269 .platform_data =
270 &power_supply_info,
271 },
272 .resource = power_supply_resources,
273 .num_resources = ARRAY_SIZE(power_supply_resources),
274};
275
276static const struct s3c_adc_bat_thresh bat_lut_noac[] = {
277 { .volt = 4070, .cur = 162, .level = 100},
278 { .volt = 4040, .cur = 165, .level = 95},
279 { .volt = 4016, .cur = 164, .level = 90},
280 { .volt = 3996, .cur = 166, .level = 85},
281 { .volt = 3971, .cur = 168, .level = 80},
282 { .volt = 3951, .cur = 168, .level = 75},
283 { .volt = 3931, .cur = 170, .level = 70},
284 { .volt = 3903, .cur = 172, .level = 65},
285 { .volt = 3886, .cur = 172, .level = 60},
286 { .volt = 3858, .cur = 176, .level = 55},
287 { .volt = 3842, .cur = 176, .level = 50},
288 { .volt = 3818, .cur = 176, .level = 45},
289 { .volt = 3789, .cur = 180, .level = 40},
290 { .volt = 3769, .cur = 180, .level = 35},
291 { .volt = 3749, .cur = 184, .level = 30},
292 { .volt = 3732, .cur = 184, .level = 25},
293 { .volt = 3716, .cur = 184, .level = 20},
294 { .volt = 3708, .cur = 184, .level = 15},
295 { .volt = 3716, .cur = 96, .level = 10},
296 { .volt = 3700, .cur = 96, .level = 5},
297 { .volt = 3684, .cur = 96, .level = 0},
298};
299
300static const struct s3c_adc_bat_thresh bat_lut_acin[] = {
301 { .volt = 4130, .cur = 0, .level = 100},
302 { .volt = 3982, .cur = 0, .level = 50},
303 { .volt = 3854, .cur = 0, .level = 10},
304 { .volt = 3841, .cur = 0, .level = 0},
305};
306
307int h1940_bat_init(void)
308{
309 int ret;
310
311 ret = gpio_request(H1940_LATCH_SM803_ENABLE, "h1940-charger-enable");
312 if (ret)
313 return ret;
314 gpio_direction_output(H1940_LATCH_SM803_ENABLE, 0);
315
316 return 0;
317
318}
319
320void h1940_bat_exit(void)
321{
322 gpio_free(H1940_LATCH_SM803_ENABLE);
323}
324
325void h1940_enable_charger(void)
326{
327 gpio_set_value(H1940_LATCH_SM803_ENABLE, 1);
328}
329
330void h1940_disable_charger(void)
331{
332 gpio_set_value(H1940_LATCH_SM803_ENABLE, 0);
333}
334
335static struct s3c_adc_bat_pdata h1940_bat_cfg = {
336 .init = h1940_bat_init,
337 .exit = h1940_bat_exit,
338 .enable_charger = h1940_enable_charger,
339 .disable_charger = h1940_disable_charger,
340 .gpio_charge_finished = S3C2410_GPF(3),
341 .gpio_inverted = 1,
342 .lut_noac = bat_lut_noac,
343 .lut_noac_cnt = ARRAY_SIZE(bat_lut_noac),
344 .lut_acin = bat_lut_acin,
345 .lut_acin_cnt = ARRAY_SIZE(bat_lut_acin),
346 .volt_channel = 0,
347 .current_channel = 1,
348 .volt_mult = 4056,
349 .current_mult = 1893,
350 .internal_impedance = 200,
351 .backup_volt_channel = 3,
352 /* TODO Check backup volt multiplier */
353 .backup_volt_mult = 4056,
354 .backup_volt_min = 0,
355 .backup_volt_max = 4149288
356};
357
358static struct platform_device h1940_battery = {
359 .name = "s3c-adc-battery",
360 .id = -1,
361 .dev = {
362 .parent = &s3c_device_adc.dev,
363 .platform_data = &h1940_bat_cfg,
364 },
365};
366
50e2d10d
VK		 367DEFINE_SPINLOCK(h1940_blink_spin);
368
369int h1940_led_blink_set(unsigned gpio, int state,
370 unsigned long *delay_on, unsigned long *delay_off)
371{
372 int blink_gpio, check_gpio1, check_gpio2;
373
374 switch (gpio) {
375 case H1940_LATCH_LED_GREEN:
376 blink_gpio = S3C2410_GPA(7);
377 check_gpio1 = S3C2410_GPA(1);
378 check_gpio2 = S3C2410_GPA(3);
379 break;
380 case H1940_LATCH_LED_RED:
381 blink_gpio = S3C2410_GPA(1);
382 check_gpio1 = S3C2410_GPA(7);
383 check_gpio2 = S3C2410_GPA(3);
384 break;
385 default:
386 blink_gpio = S3C2410_GPA(3);
387 check_gpio1 = S3C2410_GPA(1);
388 check_gpio1 = S3C2410_GPA(7);
389 break;
390 }
391
392 if (delay_on && delay_off && !*delay_on && !*delay_off)
393 *delay_on = *delay_off = 500;
394
395 spin_lock(&h1940_blink_spin);
396
397 switch (state) {
398 case GPIO_LED_NO_BLINK_LOW:
399 case GPIO_LED_NO_BLINK_HIGH:
400 if (!gpio_get_value(check_gpio1) &&
401 !gpio_get_value(check_gpio2))
402 gpio_set_value(H1940_LATCH_LED_FLASH, 0);
403 gpio_set_value(blink_gpio, 0);
404 if (gpio_is_valid(gpio))
405 gpio_set_value(gpio, state);
406 break;
407 case GPIO_LED_BLINK:
408 if (gpio_is_valid(gpio))
409 gpio_set_value(gpio, 0);
410 gpio_set_value(H1940_LATCH_LED_FLASH, 1);
411 gpio_set_value(blink_gpio, 1);
412 break;
413 }
414
415 spin_unlock(&h1940_blink_spin);
416
417 return 0;
418}
419EXPORT_SYMBOL(h1940_led_blink_set);
420
421static struct gpio_led h1940_leds_desc[] = {
422 {
423 .name = "Green",
9edb2406 424 .default_trigger = "main-battery-full",
50e2d10d
VK		 425 .gpio = H1940_LATCH_LED_GREEN,
426 .retain_state_suspended = 1,
427 },
428 {
429 .name = "Red",
9edb2406
VK		 430 .default_trigger
431 = "main-battery-charging-blink-full-solid",
50e2d10d
VK		 432 .gpio = H1940_LATCH_LED_RED,
433 .retain_state_suspended = 1,
434 },
435};
436
437static struct gpio_led_platform_data h1940_leds_pdata = {
438 .num_leds = ARRAY_SIZE(h1940_leds_desc),
439 .leds = h1940_leds_desc,
440 .gpio_blink_set = h1940_led_blink_set,
441};
442
ff34aaa9 443static struct platform_device h1940_device_leds = {
50e2d10d
VK		 444 .name = "leds-gpio",
445 .id = -1,
446 .dev = {
447 .platform_data = &h1940_leds_pdata,
448 },
d2a76020
AP		 449};
450
ff34aaa9 451static struct platform_device h1940_device_bluetooth = {
7fdc7849
AP		 452 .name = "h1940-bt",
453 .id = -1,
454};
455
48cd65a6
VK		 456static void h1940_set_mmc_power(unsigned char power_mode, unsigned short vdd)
457{
458 switch (power_mode) {
459 case MMC_POWER_OFF:
460 gpio_set_value(H1940_LATCH_SD_POWER, 0);
461 break;
462 case MMC_POWER_UP:
463 case MMC_POWER_ON:
464 gpio_set_value(H1940_LATCH_SD_POWER, 1);
465 break;
466 default:
467 break;
468 };
469}
470
22c810ab 471static struct s3c24xx_mci_pdata h1940_mmc_cfg __initdata = {
3909b9f7 472 .gpio_detect = S3C2410_GPF(5),
473 .gpio_wprotect = S3C2410_GPH(8),
48cd65a6 474 .set_power = h1940_set_mmc_power,
3909b9f7 475 .ocr_avail = MMC_VDD_32_33,
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 = {
512 .pwm_id = 0,
513 .max_brightness = 100,
514 .dft_brightness = 50,
515 /* tcnt = 0x31 */
516 .pwm_period_ns = 36296,
517 .init = h1940_backlight_init,
53193dd3 518 .notify = h1940_backlight_notify,
22e649ff 519 .exit = h1940_backlight_exit,
520};
521
522static struct platform_device h1940_backlight = {
523 .name = "pwm-backlight",
524 .dev = {
525 .parent = &s3c_device_timer[0].dev,
526 .platform_data = &backlight_data,
527 },
528 .id = -1,
529};
530
531static void h1940_lcd_power_set(struct plat_lcd_data *pd,
532 unsigned int power)
533{
25d391cb 534 int value, retries = 100;
22e649ff 535
536 if (!power) {
53193dd3 537 gpio_set_value(S3C2410_GPC(0), 0);
22e649ff 538 /* wait for 3ac */
539 do {
db61ac54 540 value = gpio_get_value(S3C2410_GPC(6));
25d391cb 541 } while (value && retries--);
53193dd3
VK		 542
543 gpio_set_value(H1940_LATCH_LCD_P2, 0);
544 gpio_set_value(H1940_LATCH_LCD_P3, 0);
545 gpio_set_value(H1940_LATCH_LCD_P4, 0);
546
547 gpio_direction_output(S3C2410_GPC(1), 0);
548 gpio_direction_output(S3C2410_GPC(4), 0);
549
550 gpio_set_value(H1940_LATCH_LCD_P1, 0);
551 gpio_set_value(H1940_LATCH_LCD_P0, 0);
552
553 gpio_set_value(S3C2410_GPC(5), 0);
554
22e649ff 555 } else {
53193dd3
VK		 556 gpio_set_value(H1940_LATCH_LCD_P0, 1);
557 gpio_set_value(H1940_LATCH_LCD_P1, 1);
558
25d391cb
VK		 559 gpio_direction_input(S3C2410_GPC(1));
560 gpio_direction_input(S3C2410_GPC(4));
561 mdelay(10);
53193dd3
VK		 562 s3c_gpio_cfgpin(S3C2410_GPC(1), S3C_GPIO_SFN(2));
563 s3c_gpio_cfgpin(S3C2410_GPC(4), S3C_GPIO_SFN(2));
564
565 gpio_set_value(S3C2410_GPC(5), 1);
566 gpio_set_value(S3C2410_GPC(0), 1);
567
568 gpio_set_value(H1940_LATCH_LCD_P3, 1);
569 gpio_set_value(H1940_LATCH_LCD_P2, 1);
570 gpio_set_value(H1940_LATCH_LCD_P4, 1);
22e649ff 571 }
572}
573
574static struct plat_lcd_data h1940_lcd_power_data = {
575 .set_power = h1940_lcd_power_set,
576};
577
578static struct platform_device h1940_lcd_powerdev = {
579 .name = "platform-lcd",
580 .dev.parent = &s3c_device_lcd.dev,
581 .dev.platform_data = &h1940_lcd_power_data,
582};
583
68730b45
VK		 584static struct uda1380_platform_data uda1380_info = {
585 .gpio_power = H1940_LATCH_UDA_POWER,
586 .gpio_reset = S3C2410_GPA(12),
587 .dac_clk = UDA1380_DAC_CLK_SYSCLK,
588};
589
590static struct i2c_board_info h1940_i2c_devices[] = {
591 {
592 I2C_BOARD_INFO("uda1380", 0x1a),
593 .platform_data = &uda1380_info,
594 },
595};
596
bbb1c832
APR		 597#define DECLARE_BUTTON(p, k, n, w) \
598 { \
599 .gpio = p, \
600 .code = k, \
601 .desc = n, \
602 .wakeup = w, \
603 .active_low = 1, \
604 }
605
606static struct gpio_keys_button h1940_buttons[] = {
607 DECLARE_BUTTON(S3C2410_GPF(0), KEY_POWER, "Power", 1),
608 DECLARE_BUTTON(S3C2410_GPF(6), KEY_ENTER, "Select", 1),
609 DECLARE_BUTTON(S3C2410_GPF(7), KEY_RECORD, "Record", 0),
610 DECLARE_BUTTON(S3C2410_GPG(0), KEY_F11, "Calendar", 0),
611 DECLARE_BUTTON(S3C2410_GPG(2), KEY_F12, "Contacts", 0),
612 DECLARE_BUTTON(S3C2410_GPG(3), KEY_MAIL, "Mail", 0),
613 DECLARE_BUTTON(S3C2410_GPG(6), KEY_LEFT, "Left_arrow", 0),
614 DECLARE_BUTTON(S3C2410_GPG(7), KEY_HOMEPAGE, "Home", 0),
615 DECLARE_BUTTON(S3C2410_GPG(8), KEY_RIGHT, "Right_arrow", 0),
616 DECLARE_BUTTON(S3C2410_GPG(9), KEY_UP, "Up_arrow", 0),
617 DECLARE_BUTTON(S3C2410_GPG(10), KEY_DOWN, "Down_arrow", 0),
618};
619
620static struct gpio_keys_platform_data h1940_buttons_data = {
621 .buttons = h1940_buttons,
622 .nbuttons = ARRAY_SIZE(h1940_buttons),
623};
624
625static struct platform_device h1940_dev_buttons = {
626 .name = "gpio-keys",
627 .id = -1,
628 .dev = {
629 .platform_data = &h1940_buttons_data,
630 }
631};
632
1da177e4 633static struct platform_device *h1940_devices[] __initdata = {
bbb1c832 634 &h1940_dev_buttons,
b813248c 635 &s3c_device_ohci,
1da177e4
LT		 636 &s3c_device_lcd,
637 &s3c_device_wdt,
3e1b776c 638 &s3c_device_i2c0,
1da177e4 639 &s3c_device_iis,
83e37b8e 640 &samsung_asoc_dma,
71a9c424 641 &s3c_device_usbgadget,
ff34aaa9
BD		 642 &h1940_device_leds,
643 &h1940_device_bluetooth,
3909b9f7 644 &s3c_device_sdi,
13733d52 645 &s3c_device_rtc,
22e649ff 646 &s3c_device_timer[0],
647 &h1940_backlight,
648 &h1940_lcd_powerdev,
17dcd13a
AP		 649 &s3c_device_adc,
650 &s3c_device_ts,
a8e99850
VK		 651 &power_supply,
652 &h1940_battery,
1da177e4
LT		 653};
654
5fe10ab1 655static void __init h1940_map_io(void)
1da177e4
LT		 656{
657 s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
658 s3c24xx_init_clocks(0);
659 s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
9073341c
BD		 660
661 /* setup PM */
662
b1dfe1f1 663#ifdef CONFIG_PM_H1940
9073341c 664 memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024);
b1dfe1f1 665#endif
4e59c25d 666 s3c_pm_init();
14477095 667
53193dd3
VK		 668 /* Add latch gpio chip, set latch initial value */
669 h1940_latch_control(0, 0);
14477095 670 WARN_ON(gpiochip_add(&h1940_latch_gpiochip));
1da177e4
LT		 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_irq(void)
1da177e4
LT		 681{
682 s3c24xx_init_irq();
1da177e4
LT		 683}
684
5fe10ab1 685static void __init h1940_init(void)
f92273c1 686{
71a9c424
AP		 687 u32 tmp;
688
09fe75f6 689 s3c24xx_fb_set_platdata(&h1940_fb_info);
22c810ab 690 s3c24xx_mci_set_platdata(&h1940_mmc_cfg);
71a9c424 691 s3c24xx_udc_set_platdata(&h1940_udc_cfg);
ce8877b5 692 s3c24xx_ts_set_platdata(&h1940_ts_cfg);
3e1b776c 693 s3c_i2c0_set_platdata(NULL);
71a9c424
AP		 694
695 /* Turn off suspend on both USB ports, and switch the
696 * selectable USB port to USB device mode. */
697
698 s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
699 S3C2410_MISCCR_USBSUSPND0 |
700 S3C2410_MISCCR_USBSUSPND1, 0x0);
701
52e329eb
KK		 702 tmp = (0x78 << S3C24XX_PLL_MDIV_SHIFT)
703 | (0x02 << S3C24XX_PLL_PDIV_SHIFT)
704 | (0x03 << S3C24XX_PLL_SDIV_SHIFT);
71a9c424 705 writel(tmp, S3C2410_UPLLCON);
57e5171c 706
22e649ff 707 gpio_request(S3C2410_GPC(0), "LCD power");
53193dd3
VK		 708 gpio_request(S3C2410_GPC(1), "LCD power");
709 gpio_request(S3C2410_GPC(4), "LCD power");
22e649ff 710 gpio_request(S3C2410_GPC(5), "LCD power");
711 gpio_request(S3C2410_GPC(6), "LCD power");
53193dd3
VK		 712 gpio_request(H1940_LATCH_LCD_P0, "LCD power");
713 gpio_request(H1940_LATCH_LCD_P1, "LCD power");
714 gpio_request(H1940_LATCH_LCD_P2, "LCD power");
715 gpio_request(H1940_LATCH_LCD_P3, "LCD power");
716 gpio_request(H1940_LATCH_LCD_P4, "LCD power");
717 gpio_request(H1940_LATCH_MAX1698_nSHUTDOWN, "LCD power");
718 gpio_direction_output(S3C2410_GPC(0), 0);
719 gpio_direction_output(S3C2410_GPC(1), 0);
720 gpio_direction_output(S3C2410_GPC(4), 0);
721 gpio_direction_output(S3C2410_GPC(5), 0);
db61ac54 722 gpio_direction_input(S3C2410_GPC(6));
53193dd3
VK		 723 gpio_direction_output(H1940_LATCH_LCD_P0, 0);
724 gpio_direction_output(H1940_LATCH_LCD_P1, 0);
725 gpio_direction_output(H1940_LATCH_LCD_P2, 0);
726 gpio_direction_output(H1940_LATCH_LCD_P3, 0);
727 gpio_direction_output(H1940_LATCH_LCD_P4, 0);
728 gpio_direction_output(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
22e649ff 729
48cd65a6
VK		 730 gpio_request(H1940_LATCH_SD_POWER, "SD power");
731 gpio_direction_output(H1940_LATCH_SD_POWER, 0);
22e649ff 732
57e5171c 733 platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices));
68730b45 734
50e2d10d
VK		 735 gpio_request(S3C2410_GPA(1), "Red LED blink");
736 gpio_request(S3C2410_GPA(3), "Blue LED blink");
737 gpio_request(S3C2410_GPA(7), "Green LED blink");
738 gpio_request(H1940_LATCH_LED_FLASH, "LED blink");
739 gpio_direction_output(S3C2410_GPA(1), 0);
740 gpio_direction_output(S3C2410_GPA(3), 0);
741 gpio_direction_output(S3C2410_GPA(7), 0);
742 gpio_direction_output(H1940_LATCH_LED_FLASH, 0);
743
68730b45
VK		 744 i2c_register_board_info(0, h1940_i2c_devices,
745 ARRAY_SIZE(h1940_i2c_devices));
f92273c1
AP		 746}
747
1da177e4 748MACHINE_START(H1940, "IPAQ-H1940")
afdd225d 749 /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
69d50710 750 .atag_offset = 0x100,
e9dea0c6 751 .map_io = h1940_map_io,
98c672cf 752 .reserve = h1940_reserve,
e9dea0c6 753 .init_irq = h1940_init_irq,
71a9c424 754 .init_machine = h1940_init,
1da177e4 755 .timer = &s3c24xx_timer,
b27b0727 756 .restart = s3c2410_restart,
1da177e4 757MACHINE_END
Linux 6.x block layer and io_uring tree(s)