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ARM: S3C2410: H1940: Add battery support
[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>
333a42e1 21#include <linux/sysdev.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>
50e2d10d 33
22e649ff 34#include <video/platform_lcd.h>
3909b9f7 35
36#include <linux/mmc/host.h>
1da177e4
LT		 37
38#include <asm/mach/arch.h>
39#include <asm/mach/map.h>
40#include <asm/mach/irq.h>
41
a09e64fb 42#include <mach/hardware.h>
1da177e4
LT		 43#include <asm/irq.h>
44#include <asm/mach-types.h>
45
a2b7ba9c 46#include <plat/regs-serial.h>
a09e64fb 47#include <mach/regs-lcd.h>
a09e64fb 48#include <mach/regs-clock.h>
f92273c1 49
3909b9f7 50#include <mach/regs-gpio.h>
51#include <mach/gpio-fns.h>
52#include <mach/gpio-nrs.h>
53
a09e64fb
RK		 54#include <mach/h1940.h>
55#include <mach/h1940-latch.h>
56#include <mach/fb.h>
57bd4b91 57#include <plat/udc.h>
3e1b776c 58#include <plat/iic.h>
1da177e4 59
40b956f0 60#include <plat/gpio-cfg.h>
d5120ae7 61#include <plat/clock.h>
a2b7ba9c
BD		 62#include <plat/devs.h>
63#include <plat/cpu.h>
e24b864a 64#include <plat/pll.h>
a2b7ba9c 65#include <plat/pm.h>
3909b9f7 66#include <plat/mci.h>
73e59b1d 67#include <plat/ts.h>
1da177e4 68
68730b45
VK		 69#include <sound/uda1380.h>
70
14477095
VK		 71#define H1940_LATCH ((void __force __iomem *)0xF8000000)
72
73#define H1940_PA_LATCH S3C2410_CS2
74
75#define H1940_LATCH_BIT(x) (1 << ((x) + 16 - S3C_GPIO_END))
76
1da177e4 77static struct map_desc h1940_iodesc[] __initdata = {
e1981680
BD		 78 [0] = {
79 .virtual = (unsigned long)H1940_LATCH,
80 .pfn = __phys_to_pfn(H1940_PA_LATCH),
81 .length = SZ_16K,
82 .type = MT_DEVICE
83 },
1da177e4
LT		 84};
85
86#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
87#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
88#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
89
66a9b49a 90static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = {
1da177e4
LT		 91 [0] = {
92 .hwport = 0,
93 .flags = 0,
94 .ucon = 0x3c5,
95 .ulcon = 0x03,
96 .ufcon = 0x51,
97 },
98 [1] = {
99 .hwport = 1,
100 .flags = 0,
101 .ucon = 0x245,
102 .ulcon = 0x03,
103 .ufcon = 0x00,
104 },
105 /* IR port */
106 [2] = {
107 .hwport = 2,
108 .flags = 0,
109 .uart_flags = UPF_CONS_FLOW,
110 .ucon = 0x3c5,
111 .ulcon = 0x43,
112 .ufcon = 0x51,
113 }
114};
115
e1981680
BD		 116/* Board control latch control */
117
53193dd3 118static unsigned int latch_state;
e1981680 119
14477095 120static void h1940_latch_control(unsigned int clear, unsigned int set)
e1981680
BD		 121{
122 unsigned long flags;
123
124 local_irq_save(flags);
125
126 latch_state &= ~clear;
127 latch_state |= set;
128
129 __raw_writel(latch_state, H1940_LATCH);
130
131 local_irq_restore(flags);
132}
133
14477095
VK		 134static inline int h1940_gpiolib_to_latch(int offset)
135{
136 return 1 << (offset + 16);
137}
138
139static void h1940_gpiolib_latch_set(struct gpio_chip *chip,
140 unsigned offset, int value)
141{
142 int latch_bit = h1940_gpiolib_to_latch(offset);
143
144 h1940_latch_control(value ? 0 : latch_bit,
145 value ? latch_bit : 0);
146}
147
148static int h1940_gpiolib_latch_output(struct gpio_chip *chip,
149 unsigned offset, int value)
150{
151 h1940_gpiolib_latch_set(chip, offset, value);
152 return 0;
153}
154
155static int h1940_gpiolib_latch_get(struct gpio_chip *chip,
156 unsigned offset)
157{
158 return (latch_state >> (offset + 16)) & 1;
159}
160
161struct gpio_chip h1940_latch_gpiochip = {
162 .base = H1940_LATCH_GPIO(0),
163 .owner = THIS_MODULE,
164 .label = "H1940_LATCH",
165 .ngpio = 16,
166 .direction_output = h1940_gpiolib_latch_output,
167 .set = h1940_gpiolib_latch_set,
168 .get = h1940_gpiolib_latch_get,
169};
1da177e4 170
71a9c424 171static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = {
070276d5 172 .vbus_pin = S3C2410_GPG(5),
71a9c424 173 .vbus_pin_inverted = 1,
e27c3c5c 174 .pullup_pin = H1940_LATCH_USB_DP,
71a9c424
AP		 175};
176
ce8877b5
AP		 177static struct s3c2410_ts_mach_info h1940_ts_cfg __initdata = {
178 .delay = 10000,
179 .presc = 49,
180 .oversampling_shift = 2,
5bfdca14 181 .cfg_gpio = s3c24xx_ts_cfg_gpio,
ce8877b5 182};
71a9c424 183
f92273c1
AP		 184/**
185 * Set lcd on or off
186 **/
09fe75f6 187static struct s3c2410fb_display h1940_lcd __initdata = {
f28ef573
KH		 188 .lcdcon5= S3C2410_LCDCON5_FRM565 | \
189 S3C2410_LCDCON5_INVVLINE | \
190 S3C2410_LCDCON5_HWSWP,
09fe75f6 191
1f411537 192 .type = S3C2410_LCDCON1_TFT,
09fe75f6
KH		 193 .width = 240,
194 .height = 320,
69816699 195 .pixclock = 260000,
09fe75f6
KH		 196 .xres = 240,
197 .yres = 320,
198 .bpp = 16,
26be1b7b
MS		 199 .left_margin = 8,
200 .right_margin = 20,
93d11f5a 201 .hsync_len = 4,
5f20f69b
KH		 202 .upper_margin = 8,
203 .lower_margin = 7,
93d11f5a 204 .vsync_len = 1,
09fe75f6
KH		 205};
206
207static struct s3c2410fb_mach_info h1940_fb_info __initdata = {
09fe75f6
KH		 208 .displays = &h1940_lcd,
209 .num_displays = 1,
210 .default_display = 0,
211
f92273c1
AP		 212 .lpcsel= 0x02,
213 .gpccon= 0xaa940659,
214 .gpccon_mask= 0xffffffff,
215 .gpcup= 0x0000ffff,
216 .gpcup_mask= 0xffffffff,
217 .gpdcon= 0xaa84aaa0,
218 .gpdcon_mask= 0xffffffff,
219 .gpdup= 0x0000faff,
220 .gpdup_mask= 0xffffffff,
f92273c1 221};
1da177e4 222
a8e99850
VK		 223static int power_supply_init(struct device *dev)
224{
225 return gpio_request(S3C2410_GPF(2), "cable plugged");
226}
227
228static int h1940_is_ac_online(void)
229{
230 return !gpio_get_value(S3C2410_GPF(2));
231}
232
233static void power_supply_exit(struct device *dev)
234{
235 gpio_free(S3C2410_GPF(2));
236}
237
238static char *h1940_supplicants[] = {
239 "main-battery",
240 "backup-battery",
241};
242
243static struct pda_power_pdata power_supply_info = {
244 .init = power_supply_init,
245 .is_ac_online = h1940_is_ac_online,
246 .exit = power_supply_exit,
247 .supplied_to = h1940_supplicants,
248 .num_supplicants = ARRAY_SIZE(h1940_supplicants),
249};
250
251static struct resource power_supply_resources[] = {
252 [0] = {
253 .name = "ac",
254 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE |
255 IORESOURCE_IRQ_HIGHEDGE,
256 .start = IRQ_EINT2,
257 .end = IRQ_EINT2,
258 },
259};
260
261static struct platform_device power_supply = {
262 .name = "pda-power",
263 .id = -1,
264 .dev = {
265 .platform_data =
266 &power_supply_info,
267 },
268 .resource = power_supply_resources,
269 .num_resources = ARRAY_SIZE(power_supply_resources),
270};
271
272static const struct s3c_adc_bat_thresh bat_lut_noac[] = {
273 { .volt = 4070, .cur = 162, .level = 100},
274 { .volt = 4040, .cur = 165, .level = 95},
275 { .volt = 4016, .cur = 164, .level = 90},
276 { .volt = 3996, .cur = 166, .level = 85},
277 { .volt = 3971, .cur = 168, .level = 80},
278 { .volt = 3951, .cur = 168, .level = 75},
279 { .volt = 3931, .cur = 170, .level = 70},
280 { .volt = 3903, .cur = 172, .level = 65},
281 { .volt = 3886, .cur = 172, .level = 60},
282 { .volt = 3858, .cur = 176, .level = 55},
283 { .volt = 3842, .cur = 176, .level = 50},
284 { .volt = 3818, .cur = 176, .level = 45},
285 { .volt = 3789, .cur = 180, .level = 40},
286 { .volt = 3769, .cur = 180, .level = 35},
287 { .volt = 3749, .cur = 184, .level = 30},
288 { .volt = 3732, .cur = 184, .level = 25},
289 { .volt = 3716, .cur = 184, .level = 20},
290 { .volt = 3708, .cur = 184, .level = 15},
291 { .volt = 3716, .cur = 96, .level = 10},
292 { .volt = 3700, .cur = 96, .level = 5},
293 { .volt = 3684, .cur = 96, .level = 0},
294};
295
296static const struct s3c_adc_bat_thresh bat_lut_acin[] = {
297 { .volt = 4130, .cur = 0, .level = 100},
298 { .volt = 3982, .cur = 0, .level = 50},
299 { .volt = 3854, .cur = 0, .level = 10},
300 { .volt = 3841, .cur = 0, .level = 0},
301};
302
303int h1940_bat_init(void)
304{
305 int ret;
306
307 ret = gpio_request(H1940_LATCH_SM803_ENABLE, "h1940-charger-enable");
308 if (ret)
309 return ret;
310 gpio_direction_output(H1940_LATCH_SM803_ENABLE, 0);
311
312 return 0;
313
314}
315
316void h1940_bat_exit(void)
317{
318 gpio_free(H1940_LATCH_SM803_ENABLE);
319}
320
321void h1940_enable_charger(void)
322{
323 gpio_set_value(H1940_LATCH_SM803_ENABLE, 1);
324}
325
326void h1940_disable_charger(void)
327{
328 gpio_set_value(H1940_LATCH_SM803_ENABLE, 0);
329}
330
331static struct s3c_adc_bat_pdata h1940_bat_cfg = {
332 .init = h1940_bat_init,
333 .exit = h1940_bat_exit,
334 .enable_charger = h1940_enable_charger,
335 .disable_charger = h1940_disable_charger,
336 .gpio_charge_finished = S3C2410_GPF(3),
337 .gpio_inverted = 1,
338 .lut_noac = bat_lut_noac,
339 .lut_noac_cnt = ARRAY_SIZE(bat_lut_noac),
340 .lut_acin = bat_lut_acin,
341 .lut_acin_cnt = ARRAY_SIZE(bat_lut_acin),
342 .volt_channel = 0,
343 .current_channel = 1,
344 .volt_mult = 4056,
345 .current_mult = 1893,
346 .internal_impedance = 200,
347 .backup_volt_channel = 3,
348 /* TODO Check backup volt multiplier */
349 .backup_volt_mult = 4056,
350 .backup_volt_min = 0,
351 .backup_volt_max = 4149288
352};
353
354static struct platform_device h1940_battery = {
355 .name = "s3c-adc-battery",
356 .id = -1,
357 .dev = {
358 .parent = &s3c_device_adc.dev,
359 .platform_data = &h1940_bat_cfg,
360 },
361};
362
50e2d10d
VK		 363DEFINE_SPINLOCK(h1940_blink_spin);
364
365int h1940_led_blink_set(unsigned gpio, int state,
366 unsigned long *delay_on, unsigned long *delay_off)
367{
368 int blink_gpio, check_gpio1, check_gpio2;
369
370 switch (gpio) {
371 case H1940_LATCH_LED_GREEN:
372 blink_gpio = S3C2410_GPA(7);
373 check_gpio1 = S3C2410_GPA(1);
374 check_gpio2 = S3C2410_GPA(3);
375 break;
376 case H1940_LATCH_LED_RED:
377 blink_gpio = S3C2410_GPA(1);
378 check_gpio1 = S3C2410_GPA(7);
379 check_gpio2 = S3C2410_GPA(3);
380 break;
381 default:
382 blink_gpio = S3C2410_GPA(3);
383 check_gpio1 = S3C2410_GPA(1);
384 check_gpio1 = S3C2410_GPA(7);
385 break;
386 }
387
388 if (delay_on && delay_off && !*delay_on && !*delay_off)
389 *delay_on = *delay_off = 500;
390
391 spin_lock(&h1940_blink_spin);
392
393 switch (state) {
394 case GPIO_LED_NO_BLINK_LOW:
395 case GPIO_LED_NO_BLINK_HIGH:
396 if (!gpio_get_value(check_gpio1) &&
397 !gpio_get_value(check_gpio2))
398 gpio_set_value(H1940_LATCH_LED_FLASH, 0);
399 gpio_set_value(blink_gpio, 0);
400 if (gpio_is_valid(gpio))
401 gpio_set_value(gpio, state);
402 break;
403 case GPIO_LED_BLINK:
404 if (gpio_is_valid(gpio))
405 gpio_set_value(gpio, 0);
406 gpio_set_value(H1940_LATCH_LED_FLASH, 1);
407 gpio_set_value(blink_gpio, 1);
408 break;
409 }
410
411 spin_unlock(&h1940_blink_spin);
412
413 return 0;
414}
415EXPORT_SYMBOL(h1940_led_blink_set);
416
417static struct gpio_led h1940_leds_desc[] = {
418 {
419 .name = "Green",
420 .default_trigger = "main-battery-charging-or-full",
421 .gpio = H1940_LATCH_LED_GREEN,
422 .retain_state_suspended = 1,
423 },
424 {
425 .name = "Red",
426 .default_trigger = "main-battery-full",
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;
463 };
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
22e649ff 473static int h1940_backlight_init(struct device *dev)
474{
475 gpio_request(S3C2410_GPB(0), "Backlight");
476
db61ac54 477 gpio_direction_output(S3C2410_GPB(0), 0);
fb378747 478 s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE);
40b956f0 479 s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
53193dd3 480 gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1);
22e649ff 481
482 return 0;
483}
484
53193dd3
VK		 485static int h1940_backlight_notify(struct device *dev, int brightness)
486{
487 if (!brightness) {
488 gpio_direction_output(S3C2410_GPB(0), 1);
489 gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
490 } else {
491 gpio_direction_output(S3C2410_GPB(0), 0);
492 s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE);
493 s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
494 gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1);
495 }
496 return brightness;
497}
498
22e649ff 499static void h1940_backlight_exit(struct device *dev)
500{
db61ac54 501 gpio_direction_output(S3C2410_GPB(0), 1);
53193dd3 502 gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
22e649ff 503}
504
53193dd3 505
22e649ff 506static struct platform_pwm_backlight_data backlight_data = {
507 .pwm_id = 0,
508 .max_brightness = 100,
509 .dft_brightness = 50,
510 /* tcnt = 0x31 */
511 .pwm_period_ns = 36296,
512 .init = h1940_backlight_init,
53193dd3 513 .notify = h1940_backlight_notify,
22e649ff 514 .exit = h1940_backlight_exit,
515};
516
517static struct platform_device h1940_backlight = {
518 .name = "pwm-backlight",
519 .dev = {
520 .parent = &s3c_device_timer[0].dev,
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{
529 int value;
530
531 if (!power) {
53193dd3 532 gpio_set_value(S3C2410_GPC(0), 0);
22e649ff 533 /* wait for 3ac */
534 do {
db61ac54 535 value = gpio_get_value(S3C2410_GPC(6));
22e649ff 536 } while (value);
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
554 s3c_gpio_cfgpin(S3C2410_GPC(1), S3C_GPIO_SFN(2));
555 s3c_gpio_cfgpin(S3C2410_GPC(4), S3C_GPIO_SFN(2));
556
557 gpio_set_value(S3C2410_GPC(5), 1);
558 gpio_set_value(S3C2410_GPC(0), 1);
559
560 gpio_set_value(H1940_LATCH_LCD_P3, 1);
561 gpio_set_value(H1940_LATCH_LCD_P2, 1);
562 gpio_set_value(H1940_LATCH_LCD_P4, 1);
22e649ff 563 }
564}
565
566static struct plat_lcd_data h1940_lcd_power_data = {
567 .set_power = h1940_lcd_power_set,
568};
569
570static struct platform_device h1940_lcd_powerdev = {
571 .name = "platform-lcd",
572 .dev.parent = &s3c_device_lcd.dev,
573 .dev.platform_data = &h1940_lcd_power_data,
574};
575
68730b45
VK		 576static struct uda1380_platform_data uda1380_info = {
577 .gpio_power = H1940_LATCH_UDA_POWER,
578 .gpio_reset = S3C2410_GPA(12),
579 .dac_clk = UDA1380_DAC_CLK_SYSCLK,
580};
581
582static struct i2c_board_info h1940_i2c_devices[] = {
583 {
584 I2C_BOARD_INFO("uda1380", 0x1a),
585 .platform_data = &uda1380_info,
586 },
587};
588
bbb1c832
APR		 589#define DECLARE_BUTTON(p, k, n, w) \
590 { \
591 .gpio = p, \
592 .code = k, \
593 .desc = n, \
594 .wakeup = w, \
595 .active_low = 1, \
596 }
597
598static struct gpio_keys_button h1940_buttons[] = {
599 DECLARE_BUTTON(S3C2410_GPF(0), KEY_POWER, "Power", 1),
600 DECLARE_BUTTON(S3C2410_GPF(6), KEY_ENTER, "Select", 1),
601 DECLARE_BUTTON(S3C2410_GPF(7), KEY_RECORD, "Record", 0),
602 DECLARE_BUTTON(S3C2410_GPG(0), KEY_F11, "Calendar", 0),
603 DECLARE_BUTTON(S3C2410_GPG(2), KEY_F12, "Contacts", 0),
604 DECLARE_BUTTON(S3C2410_GPG(3), KEY_MAIL, "Mail", 0),
605 DECLARE_BUTTON(S3C2410_GPG(6), KEY_LEFT, "Left_arrow", 0),
606 DECLARE_BUTTON(S3C2410_GPG(7), KEY_HOMEPAGE, "Home", 0),
607 DECLARE_BUTTON(S3C2410_GPG(8), KEY_RIGHT, "Right_arrow", 0),
608 DECLARE_BUTTON(S3C2410_GPG(9), KEY_UP, "Up_arrow", 0),
609 DECLARE_BUTTON(S3C2410_GPG(10), KEY_DOWN, "Down_arrow", 0),
610};
611
612static struct gpio_keys_platform_data h1940_buttons_data = {
613 .buttons = h1940_buttons,
614 .nbuttons = ARRAY_SIZE(h1940_buttons),
615};
616
617static struct platform_device h1940_dev_buttons = {
618 .name = "gpio-keys",
619 .id = -1,
620 .dev = {
621 .platform_data = &h1940_buttons_data,
622 }
623};
624
1da177e4 625static struct platform_device *h1940_devices[] __initdata = {
bbb1c832 626 &h1940_dev_buttons,
b813248c 627 &s3c_device_ohci,
1da177e4
LT		 628 &s3c_device_lcd,
629 &s3c_device_wdt,
3e1b776c 630 &s3c_device_i2c0,
1da177e4 631 &s3c_device_iis,
83e37b8e 632 &samsung_asoc_dma,
71a9c424 633 &s3c_device_usbgadget,
ff34aaa9
BD		 634 &h1940_device_leds,
635 &h1940_device_bluetooth,
3909b9f7 636 &s3c_device_sdi,
13733d52 637 &s3c_device_rtc,
22e649ff 638 &s3c_device_timer[0],
639 &h1940_backlight,
640 &h1940_lcd_powerdev,
17dcd13a
AP		 641 &s3c_device_adc,
642 &s3c_device_ts,
a8e99850
VK		 643 &power_supply,
644 &h1940_battery,
1da177e4
LT		 645};
646
5fe10ab1 647static void __init h1940_map_io(void)
1da177e4
LT		 648{
649 s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
650 s3c24xx_init_clocks(0);
651 s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
9073341c
BD		 652
653 /* setup PM */
654
b1dfe1f1 655#ifdef CONFIG_PM_H1940
9073341c 656 memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024);
b1dfe1f1 657#endif
4e59c25d 658 s3c_pm_init();
14477095 659
53193dd3
VK		 660 /* Add latch gpio chip, set latch initial value */
661 h1940_latch_control(0, 0);
14477095 662 WARN_ON(gpiochip_add(&h1940_latch_gpiochip));
1da177e4
LT		 663}
664
98c672cf
RK		 665/* H1940 and RX3715 need to reserve this for suspend */
666static void __init h1940_reserve(void)
667{
8d717a52
RK		 668 memblock_reserve(0x30003000, 0x1000);
669 memblock_reserve(0x30081000, 0x1000);
98c672cf
RK		 670}
671
5fe10ab1 672static void __init h1940_init_irq(void)
1da177e4
LT		 673{
674 s3c24xx_init_irq();
1da177e4
LT		 675}
676
5fe10ab1 677static void __init h1940_init(void)
f92273c1 678{
71a9c424
AP		 679 u32 tmp;
680
09fe75f6 681 s3c24xx_fb_set_platdata(&h1940_fb_info);
22c810ab 682 s3c24xx_mci_set_platdata(&h1940_mmc_cfg);
71a9c424 683 s3c24xx_udc_set_platdata(&h1940_udc_cfg);
ce8877b5 684 s3c24xx_ts_set_platdata(&h1940_ts_cfg);
3e1b776c 685 s3c_i2c0_set_platdata(NULL);
71a9c424
AP		 686
687 /* Turn off suspend on both USB ports, and switch the
688 * selectable USB port to USB device mode. */
689
690 s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
691 S3C2410_MISCCR_USBSUSPND0 |
692 S3C2410_MISCCR_USBSUSPND1, 0x0);
693
e24b864a
BD		 694 tmp = (0x78 << S3C24XX_PLLCON_MDIVSHIFT)
695 | (0x02 << S3C24XX_PLLCON_PDIVSHIFT)
696 | (0x03 << S3C24XX_PLLCON_SDIVSHIFT);
71a9c424 697 writel(tmp, S3C2410_UPLLCON);
57e5171c 698
22e649ff 699 gpio_request(S3C2410_GPC(0), "LCD power");
53193dd3
VK		 700 gpio_request(S3C2410_GPC(1), "LCD power");
701 gpio_request(S3C2410_GPC(4), "LCD power");
22e649ff 702 gpio_request(S3C2410_GPC(5), "LCD power");
703 gpio_request(S3C2410_GPC(6), "LCD power");
53193dd3
VK		 704 gpio_request(H1940_LATCH_LCD_P0, "LCD power");
705 gpio_request(H1940_LATCH_LCD_P1, "LCD power");
706 gpio_request(H1940_LATCH_LCD_P2, "LCD power");
707 gpio_request(H1940_LATCH_LCD_P3, "LCD power");
708 gpio_request(H1940_LATCH_LCD_P4, "LCD power");
709 gpio_request(H1940_LATCH_MAX1698_nSHUTDOWN, "LCD power");
710 gpio_direction_output(S3C2410_GPC(0), 0);
711 gpio_direction_output(S3C2410_GPC(1), 0);
712 gpio_direction_output(S3C2410_GPC(4), 0);
713 gpio_direction_output(S3C2410_GPC(5), 0);
db61ac54 714 gpio_direction_input(S3C2410_GPC(6));
53193dd3
VK		 715 gpio_direction_output(H1940_LATCH_LCD_P0, 0);
716 gpio_direction_output(H1940_LATCH_LCD_P1, 0);
717 gpio_direction_output(H1940_LATCH_LCD_P2, 0);
718 gpio_direction_output(H1940_LATCH_LCD_P3, 0);
719 gpio_direction_output(H1940_LATCH_LCD_P4, 0);
720 gpio_direction_output(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
22e649ff 721
48cd65a6
VK		 722 gpio_request(H1940_LATCH_SD_POWER, "SD power");
723 gpio_direction_output(H1940_LATCH_SD_POWER, 0);
22e649ff 724
57e5171c 725 platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices));
68730b45 726
50e2d10d
VK		 727 gpio_request(S3C2410_GPA(1), "Red LED blink");
728 gpio_request(S3C2410_GPA(3), "Blue LED blink");
729 gpio_request(S3C2410_GPA(7), "Green LED blink");
730 gpio_request(H1940_LATCH_LED_FLASH, "LED blink");
731 gpio_direction_output(S3C2410_GPA(1), 0);
732 gpio_direction_output(S3C2410_GPA(3), 0);
733 gpio_direction_output(S3C2410_GPA(7), 0);
734 gpio_direction_output(H1940_LATCH_LED_FLASH, 0);
735
68730b45
VK		 736 i2c_register_board_info(0, h1940_i2c_devices,
737 ARRAY_SIZE(h1940_i2c_devices));
f92273c1
AP		 738}
739
1da177e4 740MACHINE_START(H1940, "IPAQ-H1940")
afdd225d 741 /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
e9dea0c6
RK		 742 .boot_params = S3C2410_SDRAM_PA + 0x100,
743 .map_io = h1940_map_io,
98c672cf 744 .reserve = h1940_reserve,
e9dea0c6 745 .init_irq = h1940_init_irq,
71a9c424 746 .init_machine = h1940_init,
1da177e4
LT		 747 .timer = &s3c24xx_timer,
748MACHINE_END
Linux 6.x block layer and io_uring tree(s)