1 /*
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 *
11 */
12
13 #include <linux/kernel.h>
14 #include <linux/types.h>
15 #include <linux/interrupt.h>
16 #include <linux/list.h>
17 #include <linux/memblock.h>
18 #include <linux/timer.h>
19 #include <linux/init.h>
20 #include <linux/device.h>
21 #include <linux/serial_core.h>
22 #include <linux/serial_s3c.h>
23 #include <linux/platform_device.h>
24 #include <linux/io.h>
25 #include <linux/gpio.h>
26 #include <linux/input.h>
27 #include <linux/gpio_keys.h>
28 #include <linux/pwm.h>
29 #include <linux/pwm_backlight.h>
30 #include <linux/i2c.h>
31 #include <linux/leds.h>
32 #include <linux/pda_power.h>
33 #include <linux/s3c_adc_battery.h>
34 #include <linux/delay.h>
35
36 #include <video/platform_lcd.h>
37
38 #include <linux/mmc/host.h>
39 #include <linux/export.h>
40
41 #include <asm/irq.h>
42 #include <asm/mach-types.h>
43 #include <asm/mach/arch.h>
44 #include <asm/mach/map.h>
45 #include <asm/mach/irq.h>
46
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>
51
52 #include <sound/uda1380.h>
53
54 #include <mach/fb.h>
55 #include <mach/hardware.h>
56 #include <mach/regs-clock.h>
57 #include <mach/regs-gpio.h>
58 #include <mach/regs-lcd.h>
59 #include <mach/gpio-samsung.h>
60
61 #include <plat/cpu.h>
62 #include <plat/devs.h>
63 #include <plat/gpio-cfg.h>
64 #include <plat/pm.h>
65 #include <plat/samsung-time.h>
66
67 #include "common.h"
68 #include "h1940.h"
69
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
76 #define S3C24XX_PLL_MDIV_SHIFT (12)
77 #define S3C24XX_PLL_PDIV_SHIFT (4)
78 #define S3C24XX_PLL_SDIV_SHIFT (0)
79
80 static struct map_desc h1940_iodesc[] __initdata = {
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 },
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
93 static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = {
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
119 /* Board control latch control */
120
121 static unsigned int latch_state;
122
123 static void h1940_latch_control(unsigned int clear, unsigned int set)
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
137 static inline int h1940_gpiolib_to_latch(int offset)
138 {
139 return 1 << (offset + 16);
140 }
141
142 static 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
151 static 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
158 static int h1940_gpiolib_latch_get(struct gpio_chip *chip,
159 unsigned offset)
160 {
161 return (latch_state >> (offset + 16)) & 1;
162 }
163
164 static struct gpio_chip h1940_latch_gpiochip = {
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 };
173
174 static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = {
175 .vbus_pin = S3C2410_GPG(5),
176 .vbus_pin_inverted = 1,
177 .pullup_pin = H1940_LATCH_USB_DP,
178 };
179
180 static struct s3c2410_ts_mach_info h1940_ts_cfg __initdata = {
181 .delay = 10000,
182 .presc = 49,
183 .oversampling_shift = 2,
184 .cfg_gpio = s3c24xx_ts_cfg_gpio,
185 };
186
187 /**
188 * Set lcd on or off
189 **/
190 static struct s3c2410fb_display h1940_lcd __initdata = {
191 .lcdcon5= S3C2410_LCDCON5_FRM565 | \
192 S3C2410_LCDCON5_INVVLINE | \
193 S3C2410_LCDCON5_HWSWP,
194
195 .type = S3C2410_LCDCON1_TFT,
196 .width = 240,
197 .height = 320,
198 .pixclock = 260000,
199 .xres = 240,
200 .yres = 320,
201 .bpp = 16,
202 .left_margin = 8,
203 .right_margin = 20,
204 .hsync_len = 4,
205 .upper_margin = 8,
206 .lower_margin = 7,
207 .vsync_len = 1,
208 };
209
210 static struct s3c2410fb_mach_info h1940_fb_info __initdata = {
211 .displays = &h1940_lcd,
212 .num_displays = 1,
213 .default_display = 0,
214
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,
224 };
225
226 static int power_supply_init(struct device *dev)
227 {
228 return gpio_request(S3C2410_GPF(2), "cable plugged");
229 }
230
231 static int h1940_is_ac_online(void)
232 {
233 return !gpio_get_value(S3C2410_GPF(2));
234 }
235
236 static void power_supply_exit(struct device *dev)
237 {
238 gpio_free(S3C2410_GPF(2));
239 }
240
241 static char *h1940_supplicants[] = {
242 "main-battery",
243 "backup-battery",
244 };
245
246 static 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
254 static struct resource power_supply_resources[] = {
255 [0] = DEFINE_RES_NAMED(IRQ_EINT2, 1, "ac", IORESOURCE_IRQ \
256 | IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE),
257 };
258
259 static 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
270 static 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
294 static 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
301 static int h1940_bat_init(void)
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
314 static void h1940_bat_exit(void)
315 {
316 gpio_free(H1940_LATCH_SM803_ENABLE);
317 }
318
319 static void h1940_enable_charger(void)
320 {
321 gpio_set_value(H1940_LATCH_SM803_ENABLE, 1);
322 }
323
324 static void h1940_disable_charger(void)
325 {
326 gpio_set_value(H1940_LATCH_SM803_ENABLE, 0);
327 }
328
329 static 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
352 static 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
361 static DEFINE_SPINLOCK(h1940_blink_spin);
362
363 int h1940_led_blink_set(struct gpio_desc *desc, int state,
364 unsigned long *delay_on, unsigned long *delay_off)
365 {
366 int blink_gpio, check_gpio1, check_gpio2;
367 int gpio = desc ? desc_to_gpio(desc) : -EINVAL;
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);
383 check_gpio2 = S3C2410_GPA(7);
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 }
414 EXPORT_SYMBOL(h1940_led_blink_set);
415
416 static struct gpio_led h1940_leds_desc[] = {
417 {
418 .name = "Green",
419 .default_trigger = "main-battery-full",
420 .gpio = H1940_LATCH_LED_GREEN,
421 .retain_state_suspended = 1,
422 },
423 {
424 .name = "Red",
425 .default_trigger
426 = "main-battery-charging-blink-full-solid",
427 .gpio = H1940_LATCH_LED_RED,
428 .retain_state_suspended = 1,
429 },
430 };
431
432 static 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
438 static struct platform_device h1940_device_leds = {
439 .name = "leds-gpio",
440 .id = -1,
441 .dev = {
442 .platform_data = &h1940_leds_pdata,
443 },
444 };
445
446 static struct platform_device h1940_device_bluetooth = {
447 .name = "h1940-bt",
448 .id = -1,
449 };
450
451 static 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
466 static struct s3c24xx_mci_pdata h1940_mmc_cfg __initdata = {
467 .gpio_detect = S3C2410_GPF(5),
468 .gpio_wprotect = S3C2410_GPH(8),
469 .set_power = h1940_set_mmc_power,
470 .ocr_avail = MMC_VDD_32_33,
471 };
472
473 static struct pwm_lookup h1940_pwm_lookup[] = {
474 PWM_LOOKUP("samsung-pwm", 0, "pwm-backlight", NULL, 36296,
475 PWM_POLARITY_NORMAL),
476 };
477
478 static int h1940_backlight_init(struct device *dev)
479 {
480 gpio_request(S3C2410_GPB(0), "Backlight");
481
482 gpio_direction_output(S3C2410_GPB(0), 0);
483 s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE);
484 s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
485 gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1);
486
487 return 0;
488 }
489
490 static 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
504 static void h1940_backlight_exit(struct device *dev)
505 {
506 gpio_direction_output(S3C2410_GPB(0), 1);
507 gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
508 }
509
510
511 static struct platform_pwm_backlight_data backlight_data = {
512 .max_brightness = 100,
513 .dft_brightness = 50,
514 .enable_gpio = -1,
515 .init = h1940_backlight_init,
516 .notify = h1940_backlight_notify,
517 .exit = h1940_backlight_exit,
518 };
519
520 static struct platform_device h1940_backlight = {
521 .name = "pwm-backlight",
522 .dev = {
523 .parent = &samsung_device_pwm.dev,
524 .platform_data = &backlight_data,
525 },
526 .id = -1,
527 };
528
529 static void h1940_lcd_power_set(struct plat_lcd_data *pd,
530 unsigned int power)
531 {
532 int value, retries = 100;
533
534 if (!power) {
535 gpio_set_value(S3C2410_GPC(0), 0);
536 /* wait for 3ac */
537 do {
538 value = gpio_get_value(S3C2410_GPC(6));
539 } while (value && retries--);
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
553 } else {
554 gpio_set_value(H1940_LATCH_LCD_P0, 1);
555 gpio_set_value(H1940_LATCH_LCD_P1, 1);
556
557 gpio_direction_input(S3C2410_GPC(1));
558 gpio_direction_input(S3C2410_GPC(4));
559 mdelay(10);
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);
569 }
570 }
571
572 static struct plat_lcd_data h1940_lcd_power_data = {
573 .set_power = h1940_lcd_power_set,
574 };
575
576 static 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
582 static 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
588 static struct i2c_board_info h1940_i2c_devices[] = {
589 {
590 I2C_BOARD_INFO("uda1380", 0x1a),
591 .platform_data = &uda1380_info,
592 },
593 };
594
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
604 static 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
618 static struct gpio_keys_platform_data h1940_buttons_data = {
619 .buttons = h1940_buttons,
620 .nbuttons = ARRAY_SIZE(h1940_buttons),
621 };
622
623 static struct platform_device h1940_dev_buttons = {
624 .name = "gpio-keys",
625 .id = -1,
626 .dev = {
627 .platform_data = &h1940_buttons_data,
628 }
629 };
630
631 static struct platform_device *h1940_devices[] __initdata = {
632 &h1940_dev_buttons,
633 &s3c_device_ohci,
634 &s3c_device_lcd,
635 &s3c_device_wdt,
636 &s3c_device_i2c0,
637 &s3c_device_iis,
638 &s3c_device_usbgadget,
639 &h1940_device_leds,
640 &h1940_device_bluetooth,
641 &s3c_device_sdi,
642 &s3c_device_rtc,
643 &samsung_device_pwm,
644 &h1940_backlight,
645 &h1940_lcd_powerdev,
646 &s3c_device_adc,
647 &s3c_device_ts,
648 &power_supply,
649 &h1940_battery,
650 };
651
652 static void __init h1940_map_io(void)
653 {
654 s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
655 s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
656 samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
657
658 /* setup PM */
659
660 #ifdef CONFIG_PM_H1940
661 memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024);
662 #endif
663 s3c_pm_init();
664
665 /* Add latch gpio chip, set latch initial value */
666 h1940_latch_control(0, 0);
667 WARN_ON(gpiochip_add_data(&h1940_latch_gpiochip, NULL));
668 }
669
670 static void __init h1940_init_time(void)
671 {
672 s3c2410_init_clocks(12000000);
673 samsung_timer_init();
674 }
675
676 /* H1940 and RX3715 need to reserve this for suspend */
677 static void __init h1940_reserve(void)
678 {
679 memblock_reserve(0x30003000, 0x1000);
680 memblock_reserve(0x30081000, 0x1000);
681 }
682
683 static void __init h1940_init(void)
684 {
685 u32 tmp;
686
687 s3c24xx_fb_set_platdata(&h1940_fb_info);
688 s3c24xx_mci_set_platdata(&h1940_mmc_cfg);
689 s3c24xx_udc_set_platdata(&h1940_udc_cfg);
690 s3c24xx_ts_set_platdata(&h1940_ts_cfg);
691 s3c_i2c0_set_platdata(NULL);
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
700 tmp = (0x78 << S3C24XX_PLL_MDIV_SHIFT)
701 | (0x02 << S3C24XX_PLL_PDIV_SHIFT)
702 | (0x03 << S3C24XX_PLL_SDIV_SHIFT);
703 writel(tmp, S3C2410_UPLLCON);
704
705 gpio_request(S3C2410_GPC(0), "LCD power");
706 gpio_request(S3C2410_GPC(1), "LCD power");
707 gpio_request(S3C2410_GPC(4), "LCD power");
708 gpio_request(S3C2410_GPC(5), "LCD power");
709 gpio_request(S3C2410_GPC(6), "LCD power");
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);
720 gpio_direction_input(S3C2410_GPC(6));
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);
727
728 gpio_request(H1940_LATCH_SD_POWER, "SD power");
729 gpio_direction_output(H1940_LATCH_SD_POWER, 0);
730
731 pwm_add_table(h1940_pwm_lookup, ARRAY_SIZE(h1940_pwm_lookup));
732 platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices));
733
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
743 i2c_register_board_info(0, h1940_i2c_devices,
744 ARRAY_SIZE(h1940_i2c_devices));
745 }
746
747 MACHINE_START(H1940, "IPAQ-H1940")
748 /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
749 .atag_offset = 0x100,
750 .map_io = h1940_map_io,
751 .reserve = h1940_reserve,
752 .init_irq = s3c2410_init_irq,
753 .init_machine = h1940_init,
754 .init_time = h1940_init_time,
755 MACHINE_END
756
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