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mach-rx1950.c
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1 /* linux/arch/arm/mach-s3c2440/mach-rx1950.c
2  *
3  * Copyright (c) 2006-2009 Victor Chukhantsev, Denis Grigoriev,
4  * Copyright (c) 2007-2010 Vasily Khoruzhick
5  *
6  * based on smdk2440 written by Ben Dooks
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  *
12 */
13 
14 #include <linux/kernel.h>
15 #include <linux/types.h>
16 #include <linux/interrupt.h>
17 #include <linux/list.h>
18 #include <linux/memblock.h>
19 #include <linux/delay.h>
20 #include <linux/timer.h>
21 #include <linux/init.h>
22 #include <linux/gpio.h>
23 #include <linux/platform_device.h>
24 #include <linux/serial_core.h>
25 #include <linux/input.h>
26 #include <linux/gpio_keys.h>
27 #include <linux/device.h>
28 #include <linux/pda_power.h>
29 #include <linux/pwm_backlight.h>
30 #include <linux/pwm.h>
31 #include <linux/s3c_adc_battery.h>
32 #include <linux/leds.h>
33 #include <linux/i2c.h>
34 
35 #include <linux/mtd/mtd.h>
36 #include <linux/mtd/partitions.h>
37 
38 #include <linux/mmc/host.h>
39 
40 #include <asm/mach/arch.h>
41 #include <asm/mach/map.h>
42 #include <asm/mach-types.h>
43 
44 #include <mach/regs-gpio.h>
45 #include <mach/regs-lcd.h>
46 #include <mach/h1940.h>
47 #include <mach/fb.h>
48 
49 #include <plat/clock.h>
50 #include <plat/regs-serial.h>
51 #include <plat/regs-iic.h>
52 #include <linux/platform_data/mmc-s3cmci.h>
53 #include <linux/platform_data/usb-s3c2410_udc.h>
54 #include <linux/platform_data/mtd-nand-s3c2410.h>
55 #include <linux/platform_data/i2c-s3c2410.h>
56 #include <plat/devs.h>
57 #include <plat/cpu.h>
58 #include <plat/pm.h>
59 #include <plat/irq.h>
60 #include <linux/platform_data/touchscreen-s3c2410.h>
61 
62 #include <sound/uda1380.h>
63 
64 #include "common.h"
65 
66 #define LCD_PWM_PERIOD 192960
67 #define LCD_PWM_DUTY 127353
68 
69 static struct map_desc rx1950_iodesc[] __initdata = {
70 };
71 
72 static struct s3c2410_uartcfg rx1950_uartcfgs[] __initdata = {
73  [0] = {
74  .hwport = 0,
75  .flags = 0,
76  .ucon = 0x3c5,
77  .ulcon = 0x03,
78  .ufcon = 0x51,
79  .clk_sel = S3C2410_UCON_CLKSEL3,
80  },
81  [1] = {
82  .hwport = 1,
83  .flags = 0,
84  .ucon = 0x3c5,
85  .ulcon = 0x03,
86  .ufcon = 0x51,
87  .clk_sel = S3C2410_UCON_CLKSEL3,
88  },
89  /* IR port */
90  [2] = {
91  .hwport = 2,
92  .flags = 0,
93  .ucon = 0x3c5,
94  .ulcon = 0x43,
95  .ufcon = 0xf1,
96  .clk_sel = S3C2410_UCON_CLKSEL3,
97  },
98 };
99 
100 static struct s3c2410fb_display rx1950_display = {
101  .type = S3C2410_LCDCON1_TFT,
102  .width = 240,
103  .height = 320,
104  .xres = 240,
105  .yres = 320,
106  .bpp = 16,
107 
108  .pixclock = 260000,
109  .left_margin = 10,
110  .right_margin = 20,
111  .hsync_len = 10,
112  .upper_margin = 2,
113  .lower_margin = 2,
114  .vsync_len = 2,
115 
116  .lcdcon5 = S3C2410_LCDCON5_FRM565 |
117  S3C2410_LCDCON5_INVVCLK |
118  S3C2410_LCDCON5_INVVLINE |
119  S3C2410_LCDCON5_INVVFRAME |
120  S3C2410_LCDCON5_HWSWP |
121  (0x02 << 13) |
122  (0x02 << 15),
123 
124 };
125 
126 static int power_supply_init(struct device *dev)
127 {
128  return gpio_request(S3C2410_GPF(2), "cable plugged");
129 }
130 
131 static int rx1950_is_ac_online(void)
132 {
133  return !gpio_get_value(S3C2410_GPF(2));
134 }
135 
136 static void power_supply_exit(struct device *dev)
137 {
138  gpio_free(S3C2410_GPF(2));
139 }
140 
141 static char *rx1950_supplicants[] = {
142  "main-battery"
143 };
144 
145 static struct pda_power_pdata power_supply_info = {
146  .init = power_supply_init,
147  .is_ac_online = rx1950_is_ac_online,
148  .exit = power_supply_exit,
149  .supplied_to = rx1950_supplicants,
150  .num_supplicants = ARRAY_SIZE(rx1950_supplicants),
151 };
152 
153 static struct resource power_supply_resources[] = {
154  [0] = DEFINE_RES_NAMED(IRQ_EINT2, 1, "ac", IORESOURCE_IRQ \
155  | IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE),
156 };
157 
158 static struct platform_device power_supply = {
159  .name = "pda-power",
160  .id = -1,
161  .dev = {
162  .platform_data =
163  &power_supply_info,
164  },
165  .resource = power_supply_resources,
166  .num_resources = ARRAY_SIZE(power_supply_resources),
167 };
168 
169 static const struct s3c_adc_bat_thresh bat_lut_noac[] = {
170  { .volt = 4100, .cur = 156, .level = 100},
171  { .volt = 4050, .cur = 156, .level = 95},
172  { .volt = 4025, .cur = 141, .level = 90},
173  { .volt = 3995, .cur = 144, .level = 85},
174  { .volt = 3957, .cur = 162, .level = 80},
175  { .volt = 3931, .cur = 147, .level = 75},
176  { .volt = 3902, .cur = 147, .level = 70},
177  { .volt = 3863, .cur = 153, .level = 65},
178  { .volt = 3838, .cur = 150, .level = 60},
179  { .volt = 3800, .cur = 153, .level = 55},
180  { .volt = 3765, .cur = 153, .level = 50},
181  { .volt = 3748, .cur = 172, .level = 45},
182  { .volt = 3740, .cur = 153, .level = 40},
183  { .volt = 3714, .cur = 175, .level = 35},
184  { .volt = 3710, .cur = 156, .level = 30},
185  { .volt = 3963, .cur = 156, .level = 25},
186  { .volt = 3672, .cur = 178, .level = 20},
187  { .volt = 3651, .cur = 178, .level = 15},
188  { .volt = 3629, .cur = 178, .level = 10},
189  { .volt = 3612, .cur = 162, .level = 5},
190  { .volt = 3605, .cur = 162, .level = 0},
191 };
192 
193 static const struct s3c_adc_bat_thresh bat_lut_acin[] = {
194  { .volt = 4200, .cur = 0, .level = 100},
195  { .volt = 4190, .cur = 0, .level = 99},
196  { .volt = 4178, .cur = 0, .level = 95},
197  { .volt = 4110, .cur = 0, .level = 70},
198  { .volt = 4076, .cur = 0, .level = 65},
199  { .volt = 4046, .cur = 0, .level = 60},
200  { .volt = 4021, .cur = 0, .level = 55},
201  { .volt = 3999, .cur = 0, .level = 50},
202  { .volt = 3982, .cur = 0, .level = 45},
203  { .volt = 3965, .cur = 0, .level = 40},
204  { .volt = 3957, .cur = 0, .level = 35},
205  { .volt = 3948, .cur = 0, .level = 30},
206  { .volt = 3936, .cur = 0, .level = 25},
207  { .volt = 3927, .cur = 0, .level = 20},
208  { .volt = 3906, .cur = 0, .level = 15},
209  { .volt = 3880, .cur = 0, .level = 10},
210  { .volt = 3829, .cur = 0, .level = 5},
211  { .volt = 3820, .cur = 0, .level = 0},
212 };
213 
214 static int rx1950_bat_init(void)
215 {
216  int ret;
217 
218  ret = gpio_request(S3C2410_GPJ(2), "rx1950-charger-enable-1");
219  if (ret)
220  goto err_gpio1;
221  ret = gpio_request(S3C2410_GPJ(3), "rx1950-charger-enable-2");
222  if (ret)
223  goto err_gpio2;
224 
225  return 0;
226 
227 err_gpio2:
228  gpio_free(S3C2410_GPJ(2));
229 err_gpio1:
230  return ret;
231 }
232 
233 static void rx1950_bat_exit(void)
234 {
235  gpio_free(S3C2410_GPJ(2));
236  gpio_free(S3C2410_GPJ(3));
237 }
238 
239 static void rx1950_enable_charger(void)
240 {
241  gpio_direction_output(S3C2410_GPJ(2), 1);
242  gpio_direction_output(S3C2410_GPJ(3), 1);
243 }
244 
245 static void rx1950_disable_charger(void)
246 {
247  gpio_direction_output(S3C2410_GPJ(2), 0);
248  gpio_direction_output(S3C2410_GPJ(3), 0);
249 }
250 
251 static DEFINE_SPINLOCK(rx1950_blink_spin);
252 
253 static int rx1950_led_blink_set(unsigned gpio, int state,
254  unsigned long *delay_on, unsigned long *delay_off)
255 {
256  int blink_gpio, check_gpio;
257 
258  switch (gpio) {
259  case S3C2410_GPA(6):
260  blink_gpio = S3C2410_GPA(4);
261  check_gpio = S3C2410_GPA(3);
262  break;
263  case S3C2410_GPA(7):
264  blink_gpio = S3C2410_GPA(3);
265  check_gpio = S3C2410_GPA(4);
266  break;
267  default:
268  return -EINVAL;
269  break;
270  }
271 
272  if (delay_on && delay_off && !*delay_on && !*delay_off)
273  *delay_on = *delay_off = 500;
274 
275  spin_lock(&rx1950_blink_spin);
276 
277  switch (state) {
278  case GPIO_LED_NO_BLINK_LOW:
279  case GPIO_LED_NO_BLINK_HIGH:
280  if (!gpio_get_value(check_gpio))
281  gpio_set_value(S3C2410_GPJ(6), 0);
282  gpio_set_value(blink_gpio, 0);
283  gpio_set_value(gpio, state);
284  break;
285  case GPIO_LED_BLINK:
286  gpio_set_value(gpio, 0);
287  gpio_set_value(S3C2410_GPJ(6), 1);
288  gpio_set_value(blink_gpio, 1);
289  break;
290  }
291 
292  spin_unlock(&rx1950_blink_spin);
293 
294  return 0;
295 }
296 
297 static struct gpio_led rx1950_leds_desc[] = {
298  {
299  .name = "Green",
300  .default_trigger = "main-battery-full",
301  .gpio = S3C2410_GPA(6),
302  .retain_state_suspended = 1,
303  },
304  {
305  .name = "Red",
306  .default_trigger
307  = "main-battery-charging-blink-full-solid",
308  .gpio = S3C2410_GPA(7),
309  .retain_state_suspended = 1,
310  },
311  {
312  .name = "Blue",
313  .default_trigger = "rx1950-acx-mem",
314  .gpio = S3C2410_GPA(11),
315  .retain_state_suspended = 1,
316  },
317 };
318 
319 static struct gpio_led_platform_data rx1950_leds_pdata = {
320  .num_leds = ARRAY_SIZE(rx1950_leds_desc),
321  .leds = rx1950_leds_desc,
322  .gpio_blink_set = rx1950_led_blink_set,
323 };
324 
325 static struct platform_device rx1950_leds = {
326  .name = "leds-gpio",
327  .id = -1,
328  .dev = {
329  .platform_data = &rx1950_leds_pdata,
330  },
331 };
332 
333 static struct s3c_adc_bat_pdata rx1950_bat_cfg = {
334  .init = rx1950_bat_init,
335  .exit = rx1950_bat_exit,
336  .enable_charger = rx1950_enable_charger,
337  .disable_charger = rx1950_disable_charger,
338  .gpio_charge_finished = S3C2410_GPF(3),
339  .lut_noac = bat_lut_noac,
340  .lut_noac_cnt = ARRAY_SIZE(bat_lut_noac),
341  .lut_acin = bat_lut_acin,
342  .lut_acin_cnt = ARRAY_SIZE(bat_lut_acin),
343  .volt_channel = 0,
344  .current_channel = 1,
345  .volt_mult = 4235,
346  .current_mult = 2900,
347  .internal_impedance = 200,
348 };
349 
350 static struct platform_device rx1950_battery = {
351  .name = "s3c-adc-battery",
352  .id = -1,
353  .dev = {
354  .parent = &s3c_device_adc.dev,
355  .platform_data = &rx1950_bat_cfg,
356  },
357 };
358 
359 static struct s3c2410fb_mach_info rx1950_lcd_cfg = {
360  .displays = &rx1950_display,
361  .num_displays = 1,
362  .default_display = 0,
363 
364  .lpcsel = 0x02,
365  .gpccon = 0xaa9556a9,
366  .gpccon_mask = 0xffc003fc,
367  .gpcup = 0x0000ffff,
368  .gpcup_mask = 0xffffffff,
369 
370  .gpdcon = 0xaa90aaa1,
371  .gpdcon_mask = 0xffc0fff0,
372  .gpdup = 0x0000fcfd,
373  .gpdup_mask = 0xffffffff,
374 
375 };
376 
377 static struct pwm_device *lcd_pwm;
378 
379 static void rx1950_lcd_power(int enable)
380 {
381  int i;
382  static int enabled;
383  if (enabled == enable)
384  return;
385  if (!enable) {
386 
387  /* GPC11-GPC15->OUTPUT */
388  for (i = 11; i < 16; i++)
389  gpio_direction_output(S3C2410_GPC(i), 1);
390 
391  /* Wait a bit here... */
392  mdelay(100);
393 
394  /* GPD2-GPD7->OUTPUT */
395  /* GPD11-GPD15->OUTPUT */
396  /* GPD2-GPD7->1, GPD11-GPD15->1 */
397  for (i = 2; i < 8; i++)
398  gpio_direction_output(S3C2410_GPD(i), 1);
399  for (i = 11; i < 16; i++)
400  gpio_direction_output(S3C2410_GPD(i), 1);
401 
402  /* Wait a bit here...*/
403  mdelay(100);
404 
405  /* GPB0->OUTPUT, GPB0->0 */
406  gpio_direction_output(S3C2410_GPB(0), 0);
407 
408  /* GPC1-GPC4->OUTPUT, GPC1-4->0 */
409  for (i = 1; i < 5; i++)
410  gpio_direction_output(S3C2410_GPC(i), 0);
411 
412  /* GPC15-GPC11->0 */
413  for (i = 11; i < 16; i++)
414  gpio_direction_output(S3C2410_GPC(i), 0);
415 
416  /* GPD15-GPD11->0, GPD2->GPD7->0 */
417  for (i = 11; i < 16; i++)
418  gpio_direction_output(S3C2410_GPD(i), 0);
419 
420  for (i = 2; i < 8; i++)
421  gpio_direction_output(S3C2410_GPD(i), 0);
422 
423  /* GPC6->0, GPC7->0, GPC5->0 */
424  gpio_direction_output(S3C2410_GPC(6), 0);
425  gpio_direction_output(S3C2410_GPC(7), 0);
426  gpio_direction_output(S3C2410_GPC(5), 0);
427 
428  /* GPB1->OUTPUT, GPB1->0 */
429  gpio_direction_output(S3C2410_GPB(1), 0);
430  pwm_config(lcd_pwm, 0, LCD_PWM_PERIOD);
431  pwm_disable(lcd_pwm);
432 
433  /* GPC0->0, GPC10->0 */
434  gpio_direction_output(S3C2410_GPC(0), 0);
435  gpio_direction_output(S3C2410_GPC(10), 0);
436  } else {
437  pwm_config(lcd_pwm, LCD_PWM_DUTY, LCD_PWM_PERIOD);
438  pwm_enable(lcd_pwm);
439 
440  gpio_direction_output(S3C2410_GPC(0), 1);
441  gpio_direction_output(S3C2410_GPC(5), 1);
442 
443  s3c_gpio_cfgpin(S3C2410_GPB(1), S3C2410_GPB1_TOUT1);
444  gpio_direction_output(S3C2410_GPC(7), 1);
445 
446  for (i = 1; i < 5; i++)
447  s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
448 
449  for (i = 11; i < 16; i++)
450  s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
451 
452  for (i = 2; i < 8; i++)
453  s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
454 
455  for (i = 11; i < 16; i++)
456  s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
457 
458  gpio_direction_output(S3C2410_GPC(10), 1);
459  gpio_direction_output(S3C2410_GPC(6), 1);
460  }
461  enabled = enable;
462 }
463 
464 static void rx1950_bl_power(int enable)
465 {
466  static int enabled;
467  if (enabled == enable)
468  return;
469  if (!enable) {
470  gpio_direction_output(S3C2410_GPB(0), 0);
471  } else {
472  /* LED driver need a "push" to power on */
473  gpio_direction_output(S3C2410_GPB(0), 1);
474  /* Warm up backlight for one period of PWM.
475  * Without this trick its almost impossible to
476  * enable backlight with low brightness value
477  */
478  ndelay(48000);
479  s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
480  }
481  enabled = enable;
482 }
483 
484 static int rx1950_backlight_init(struct device *dev)
485 {
486  WARN_ON(gpio_request(S3C2410_GPB(0), "Backlight"));
487  lcd_pwm = pwm_request(1, "RX1950 LCD");
488  if (IS_ERR(lcd_pwm)) {
489  dev_err(dev, "Unable to request PWM for LCD power!\n");
490  return PTR_ERR(lcd_pwm);
491  }
492 
493  rx1950_lcd_power(1);
494  rx1950_bl_power(1);
495 
496  return 0;
497 }
498 
499 static void rx1950_backlight_exit(struct device *dev)
500 {
501  rx1950_bl_power(0);
502  rx1950_lcd_power(0);
503 
504  pwm_free(lcd_pwm);
505  gpio_free(S3C2410_GPB(0));
506 }
507 
508 
509 static int rx1950_backlight_notify(struct device *dev, int brightness)
510 {
511  if (!brightness) {
512  rx1950_bl_power(0);
513  rx1950_lcd_power(0);
514  } else {
515  rx1950_lcd_power(1);
516  rx1950_bl_power(1);
517  }
518  return brightness;
519 }
520 
521 static struct platform_pwm_backlight_data rx1950_backlight_data = {
522  .pwm_id = 0,
523  .max_brightness = 24,
524  .dft_brightness = 4,
525  .pwm_period_ns = 48000,
526  .init = rx1950_backlight_init,
527  .notify = rx1950_backlight_notify,
528  .exit = rx1950_backlight_exit,
529 };
530 
531 static struct platform_device rx1950_backlight = {
532  .name = "pwm-backlight",
533  .dev = {
534  .parent = &s3c_device_timer[0].dev,
535  .platform_data = &rx1950_backlight_data,
536  },
537 };
538 
539 static void rx1950_set_mmc_power(unsigned char power_mode, unsigned short vdd)
540 {
541  switch (power_mode) {
542  case MMC_POWER_OFF:
543  gpio_direction_output(S3C2410_GPJ(1), 0);
544  break;
545  case MMC_POWER_UP:
546  case MMC_POWER_ON:
547  gpio_direction_output(S3C2410_GPJ(1), 1);
548  break;
549  default:
550  break;
551  }
552 }
553 
554 static struct s3c24xx_mci_pdata rx1950_mmc_cfg __initdata = {
555  .gpio_detect = S3C2410_GPF(5),
556  .gpio_wprotect = S3C2410_GPH(8),
557  .set_power = rx1950_set_mmc_power,
558  .ocr_avail = MMC_VDD_32_33,
559 };
560 
561 static struct mtd_partition rx1950_nand_part[] = {
562  [0] = {
563  .name = "Boot0",
564  .offset = 0,
565  .size = 0x4000,
566  .mask_flags = MTD_WRITEABLE,
567  },
568  [1] = {
569  .name = "Boot1",
570  .offset = MTDPART_OFS_APPEND,
571  .size = 0x40000,
572  .mask_flags = MTD_WRITEABLE,
573  },
574  [2] = {
575  .name = "Kernel",
576  .offset = MTDPART_OFS_APPEND,
577  .size = 0x300000,
578  .mask_flags = 0,
579  },
580  [3] = {
581  .name = "Filesystem",
582  .offset = MTDPART_OFS_APPEND,
583  .size = MTDPART_SIZ_FULL,
584  .mask_flags = 0,
585  },
586 };
587 
588 static struct s3c2410_nand_set rx1950_nand_sets[] = {
589  [0] = {
590  .name = "Internal",
591  .nr_chips = 1,
592  .nr_partitions = ARRAY_SIZE(rx1950_nand_part),
593  .partitions = rx1950_nand_part,
594  },
595 };
596 
597 static struct s3c2410_platform_nand rx1950_nand_info = {
598  .tacls = 25,
599  .twrph0 = 50,
600  .twrph1 = 15,
601  .nr_sets = ARRAY_SIZE(rx1950_nand_sets),
602  .sets = rx1950_nand_sets,
603 };
604 
605 static struct s3c2410_udc_mach_info rx1950_udc_cfg __initdata = {
606  .vbus_pin = S3C2410_GPG(5),
607  .vbus_pin_inverted = 1,
608  .pullup_pin = S3C2410_GPJ(5),
609 };
610 
611 static struct s3c2410_ts_mach_info rx1950_ts_cfg __initdata = {
612  .delay = 10000,
613  .presc = 49,
614  .oversampling_shift = 3,
615 };
616 
617 static struct gpio_keys_button rx1950_gpio_keys_table[] = {
618  {
619  .code = KEY_POWER,
620  .gpio = S3C2410_GPF(0),
621  .active_low = 1,
622  .desc = "Power button",
623  .wakeup = 1,
624  },
625  {
626  .code = KEY_F5,
627  .gpio = S3C2410_GPF(7),
628  .active_low = 1,
629  .desc = "Record button",
630  },
631  {
632  .code = KEY_F1,
633  .gpio = S3C2410_GPG(0),
634  .active_low = 1,
635  .desc = "Calendar button",
636  },
637  {
638  .code = KEY_F2,
639  .gpio = S3C2410_GPG(2),
640  .active_low = 1,
641  .desc = "Contacts button",
642  },
643  {
644  .code = KEY_F3,
645  .gpio = S3C2410_GPG(3),
646  .active_low = 1,
647  .desc = "Mail button",
648  },
649  {
650  .code = KEY_F4,
651  .gpio = S3C2410_GPG(7),
652  .active_low = 1,
653  .desc = "WLAN button",
654  },
655  {
656  .code = KEY_LEFT,
657  .gpio = S3C2410_GPG(10),
658  .active_low = 1,
659  .desc = "Left button",
660  },
661  {
662  .code = KEY_RIGHT,
663  .gpio = S3C2410_GPG(11),
664  .active_low = 1,
665  .desc = "Right button",
666  },
667  {
668  .code = KEY_UP,
669  .gpio = S3C2410_GPG(4),
670  .active_low = 1,
671  .desc = "Up button",
672  },
673  {
674  .code = KEY_DOWN,
675  .gpio = S3C2410_GPG(6),
676  .active_low = 1,
677  .desc = "Down button",
678  },
679  {
680  .code = KEY_ENTER,
681  .gpio = S3C2410_GPG(9),
682  .active_low = 1,
683  .desc = "Ok button"
684  },
685 };
686 
687 static struct gpio_keys_platform_data rx1950_gpio_keys_data = {
688  .buttons = rx1950_gpio_keys_table,
689  .nbuttons = ARRAY_SIZE(rx1950_gpio_keys_table),
690 };
691 
692 static struct platform_device rx1950_device_gpiokeys = {
693  .name = "gpio-keys",
694  .dev.platform_data = &rx1950_gpio_keys_data,
695 };
696 
697 static struct uda1380_platform_data uda1380_info = {
698  .gpio_power = S3C2410_GPJ(0),
699  .gpio_reset = S3C2410_GPD(0),
700  .dac_clk = UDA1380_DAC_CLK_SYSCLK,
701 };
702 
703 static struct i2c_board_info rx1950_i2c_devices[] = {
704  {
705  I2C_BOARD_INFO("uda1380", 0x1a),
706  .platform_data = &uda1380_info,
707  },
708 };
709 
710 static struct platform_device *rx1950_devices[] __initdata = {
711  &s3c_device_lcd,
712  &s3c_device_wdt,
713  &s3c_device_i2c0,
714  &s3c_device_iis,
715  &samsung_asoc_dma,
716  &s3c_device_usbgadget,
717  &s3c_device_rtc,
718  &s3c_device_nand,
719  &s3c_device_sdi,
720  &s3c_device_adc,
721  &s3c_device_ts,
722  &s3c_device_timer[0],
723  &s3c_device_timer[1],
724  &rx1950_backlight,
725  &rx1950_device_gpiokeys,
726  &power_supply,
727  &rx1950_battery,
728  &rx1950_leds,
729 };
730 
731 static struct clk *rx1950_clocks[] __initdata = {
732  &s3c24xx_clkout0,
733  &s3c24xx_clkout1,
734 };
735 
736 static void __init rx1950_map_io(void)
737 {
738  s3c24xx_clkout0.parent = &clk_h;
739  s3c24xx_clkout1.parent = &clk_f;
740 
741  s3c24xx_register_clocks(rx1950_clocks, ARRAY_SIZE(rx1950_clocks));
742 
743  s3c24xx_init_io(rx1950_iodesc, ARRAY_SIZE(rx1950_iodesc));
744  s3c24xx_init_clocks(16934000);
745  s3c24xx_init_uarts(rx1950_uartcfgs, ARRAY_SIZE(rx1950_uartcfgs));
746 
747  /* setup PM */
748 
749 #ifdef CONFIG_PM_H1940
750  memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 8);
751 #endif
752 
753  s3c_pm_init();
754 }
755 
756 static void __init rx1950_init_machine(void)
757 {
758  int i;
759 
760  s3c24xx_fb_set_platdata(&rx1950_lcd_cfg);
761  s3c24xx_udc_set_platdata(&rx1950_udc_cfg);
762  s3c24xx_ts_set_platdata(&rx1950_ts_cfg);
763  s3c24xx_mci_set_platdata(&rx1950_mmc_cfg);
764  s3c_i2c0_set_platdata(NULL);
765  s3c_nand_set_platdata(&rx1950_nand_info);
766 
767  /* Turn off suspend on both USB ports, and switch the
768  * selectable USB port to USB device mode. */
769  s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
770  S3C2410_MISCCR_USBSUSPND0 |
771  S3C2410_MISCCR_USBSUSPND1, 0x0);
772 
773  /* mmc power is disabled by default */
774  WARN_ON(gpio_request(S3C2410_GPJ(1), "MMC power"));
775  gpio_direction_output(S3C2410_GPJ(1), 0);
776 
777  for (i = 0; i < 8; i++)
778  WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
779 
780  for (i = 10; i < 16; i++)
781  WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
782 
783  for (i = 2; i < 8; i++)
784  WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
785 
786  for (i = 11; i < 16; i++)
787  WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
788 
789  WARN_ON(gpio_request(S3C2410_GPB(1), "LCD power"));
790 
791  WARN_ON(gpio_request(S3C2410_GPA(3), "Red blink"));
792  WARN_ON(gpio_request(S3C2410_GPA(4), "Green blink"));
793  WARN_ON(gpio_request(S3C2410_GPJ(6), "LED blink"));
794  gpio_direction_output(S3C2410_GPA(3), 0);
795  gpio_direction_output(S3C2410_GPA(4), 0);
796  gpio_direction_output(S3C2410_GPJ(6), 0);
797 
798  platform_add_devices(rx1950_devices, ARRAY_SIZE(rx1950_devices));
799 
800  i2c_register_board_info(0, rx1950_i2c_devices,
801  ARRAY_SIZE(rx1950_i2c_devices));
802 }
803 
804 /* H1940 and RX3715 need to reserve this for suspend */
805 static void __init rx1950_reserve(void)
806 {
807  memblock_reserve(0x30003000, 0x1000);
808  memblock_reserve(0x30081000, 0x1000);
809 }
810 
811 MACHINE_START(RX1950, "HP iPAQ RX1950")
812  /* Maintainers: Vasily Khoruzhick */
813  .atag_offset = 0x100,
814  .map_io = rx1950_map_io,
815  .reserve = rx1950_reserve,
816  .init_irq = s3c24xx_init_irq,
817  .init_machine = rx1950_init_machine,
818  .timer = &s3c24xx_timer,
819  .restart = s3c244x_restart,
820 MACHINE_END
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