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ARM: S3C24XX: Use PWM lookup table for mach-h1940
[mirror_ubuntu-artful-kernel.git] / arch / arm / mach-s3c24xx / mach-rx1950.c
CommitLineData
232910d6 1/*
c394f177
VK		 2 * Copyright (c) 2006-2009 Victor Chukhantsev, Denis Grigoriev,
3 * Copyright (c) 2007-2010 Vasily Khoruzhick
4 *
5 * based on smdk2440 written by Ben Dooks
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>
8d717a52 17#include <linux/memblock.h>
c394f177
VK		 18#include <linux/delay.h>
19#include <linux/timer.h>
20#include <linux/init.h>
21#include <linux/gpio.h>
22#include <linux/platform_device.h>
23#include <linux/serial_core.h>
334a1c70 24#include <linux/serial_s3c.h>
c394f177
VK		 25#include <linux/input.h>
26#include <linux/gpio_keys.h>
edbaa603 27#include <linux/device.h>
ecab01d4 28#include <linux/pda_power.h>
c394f177
VK		 29#include <linux/pwm_backlight.h>
30#include <linux/pwm.h>
ecab01d4 31#include <linux/s3c_adc_battery.h>
9c1a47cf 32#include <linux/leds.h>
2cc857ff 33#include <linux/i2c.h>
c394f177
VK		 34
35#include <linux/mtd/mtd.h>
36#include <linux/mtd/partitions.h>
37
38#include <linux/mmc/host.h>
39
232910d6 40#include <asm/mach-types.h>
c394f177
VK		 41#include <asm/mach/arch.h>
42#include <asm/mach/map.h>
c394f177 43
232910d6
KK		 44#include <linux/platform_data/i2c-s3c2410.h>
45#include <linux/platform_data/mmc-s3cmci.h>
46#include <linux/platform_data/mtd-nand-s3c2410.h>
47#include <linux/platform_data/touchscreen-s3c2410.h>
48#include <linux/platform_data/usb-s3c2410_udc.h>
49
50#include <sound/uda1380.h>
51
52#include <mach/fb.h>
c394f177 53#include <mach/regs-gpio.h>
61c542bf 54#include <mach/regs-lcd.h>
b0161caa 55#include <mach/gpio-samsung.h>
c394f177 56
c394f177 57#include <plat/cpu.h>
232910d6 58#include <plat/devs.h>
c394f177 59#include <plat/pm.h>
7f78b6eb 60#include <plat/samsung-time.h>
36437412 61#include <plat/gpio-cfg.h>
2cc857ff 62
b27b0727 63#include "common.h"
232910d6 64#include "h1940.h"
b27b0727 65
c394f177
VK		 66#define LCD_PWM_PERIOD 192960
67#define LCD_PWM_DUTY 127353
68
69static struct map_desc rx1950_iodesc[] __initdata = {
70};
71
c394f177
VK		 72static struct s3c2410_uartcfg rx1950_uartcfgs[] __initdata = {
73 [0] = {
74 .hwport = 0,
75 .flags = 0,
76 .ucon = 0x3c5,
77 .ulcon = 0x03,
78 .ufcon = 0x51,
afba7f91 79 .clk_sel = S3C2410_UCON_CLKSEL3,
c394f177
VK		 80 },
81 [1] = {
82 .hwport = 1,
83 .flags = 0,
84 .ucon = 0x3c5,
85 .ulcon = 0x03,
86 .ufcon = 0x51,
afba7f91 87 .clk_sel = S3C2410_UCON_CLKSEL3,
c394f177
VK		 88 },
89 /* IR port */
90 [2] = {
91 .hwport = 2,
92 .flags = 0,
93 .ucon = 0x3c5,
94 .ulcon = 0x43,
95 .ufcon = 0xf1,
afba7f91 96 .clk_sel = S3C2410_UCON_CLKSEL3,
c394f177
VK		 97 },
98};
99
100static 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
ecab01d4
VK		 126static int power_supply_init(struct device *dev)
127{
128 return gpio_request(S3C2410_GPF(2), "cable plugged");
129}
130
131static int rx1950_is_ac_online(void)
132{
133 return !gpio_get_value(S3C2410_GPF(2));
134}
135
136static void power_supply_exit(struct device *dev)
137{
138 gpio_free(S3C2410_GPF(2));
139}
140
141static char *rx1950_supplicants[] = {
142 "main-battery"
143};
144
145static 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
153static struct resource power_supply_resources[] = {
5f3b90dc
TB		 154 [0] = DEFINE_RES_NAMED(IRQ_EINT2, 1, "ac", IORESOURCE_IRQ \
155 | IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE),
ecab01d4
VK		 156};
157
158static 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
169static 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
193static 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
4cfb7b7c 214static int rx1950_bat_init(void)
ecab01d4
VK		 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
227err_gpio2:
228 gpio_free(S3C2410_GPJ(2));
229err_gpio1:
230 return ret;
231}
232
4cfb7b7c 233static void rx1950_bat_exit(void)
ecab01d4
VK		 234{
235 gpio_free(S3C2410_GPJ(2));
236 gpio_free(S3C2410_GPJ(3));
237}
238
4cfb7b7c 239static void rx1950_enable_charger(void)
ecab01d4
VK		 240{
241 gpio_direction_output(S3C2410_GPJ(2), 1);
242 gpio_direction_output(S3C2410_GPJ(3), 1);
243}
244
4cfb7b7c 245static void rx1950_disable_charger(void)
ecab01d4
VK		 246{
247 gpio_direction_output(S3C2410_GPJ(2), 0);
248 gpio_direction_output(S3C2410_GPJ(3), 0);
249}
250
4cfb7b7c 251static DEFINE_SPINLOCK(rx1950_blink_spin);
62235dcd 252
c673a2b4 253static int rx1950_led_blink_set(struct gpio_desc *desc, int state,
62235dcd
VK		 254 unsigned long *delay_on, unsigned long *delay_off)
255{
c673a2b4 256 int gpio = desc_to_gpio(desc);
62235dcd
VK		 257 int blink_gpio, check_gpio;
258
259 switch (gpio) {
260 case S3C2410_GPA(6):
261 blink_gpio = S3C2410_GPA(4);
262 check_gpio = S3C2410_GPA(3);
263 break;
264 case S3C2410_GPA(7):
265 blink_gpio = S3C2410_GPA(3);
266 check_gpio = S3C2410_GPA(4);
267 break;
268 default:
269 return -EINVAL;
270 break;
271 }
272
273 if (delay_on && delay_off && !*delay_on && !*delay_off)
274 *delay_on = *delay_off = 500;
275
276 spin_lock(&rx1950_blink_spin);
277
278 switch (state) {
279 case GPIO_LED_NO_BLINK_LOW:
280 case GPIO_LED_NO_BLINK_HIGH:
281 if (!gpio_get_value(check_gpio))
282 gpio_set_value(S3C2410_GPJ(6), 0);
283 gpio_set_value(blink_gpio, 0);
284 gpio_set_value(gpio, state);
285 break;
286 case GPIO_LED_BLINK:
287 gpio_set_value(gpio, 0);
288 gpio_set_value(S3C2410_GPJ(6), 1);
289 gpio_set_value(blink_gpio, 1);
290 break;
291 }
292
293 spin_unlock(&rx1950_blink_spin);
294
295 return 0;
296}
297
9c1a47cf
VK		 298static struct gpio_led rx1950_leds_desc[] = {
299 {
9edb2406
VK		 300 .name = "Green",
301 .default_trigger = "main-battery-full",
302 .gpio = S3C2410_GPA(6),
303 .retain_state_suspended = 1,
9c1a47cf
VK		 304 },
305 {
9edb2406
VK		 306 .name = "Red",
307 .default_trigger
308 = "main-battery-charging-blink-full-solid",
309 .gpio = S3C2410_GPA(7),
310 .retain_state_suspended = 1,
9c1a47cf
VK		 311 },
312 {
9edb2406 313 .name = "Blue",
9c1a47cf 314 .default_trigger = "rx1950-acx-mem",
9edb2406
VK		 315 .gpio = S3C2410_GPA(11),
316 .retain_state_suspended = 1,
9c1a47cf
VK		 317 },
318};
319
320static struct gpio_led_platform_data rx1950_leds_pdata = {
321 .num_leds = ARRAY_SIZE(rx1950_leds_desc),
322 .leds = rx1950_leds_desc,
62235dcd 323 .gpio_blink_set = rx1950_led_blink_set,
9c1a47cf
VK		 324};
325
326static struct platform_device rx1950_leds = {
327 .name = "leds-gpio",
328 .id = -1,
329 .dev = {
330 .platform_data = &rx1950_leds_pdata,
331 },
332};
333
ecab01d4
VK		 334static struct s3c_adc_bat_pdata rx1950_bat_cfg = {
335 .init = rx1950_bat_init,
336 .exit = rx1950_bat_exit,
337 .enable_charger = rx1950_enable_charger,
338 .disable_charger = rx1950_disable_charger,
339 .gpio_charge_finished = S3C2410_GPF(3),
340 .lut_noac = bat_lut_noac,
341 .lut_noac_cnt = ARRAY_SIZE(bat_lut_noac),
342 .lut_acin = bat_lut_acin,
343 .lut_acin_cnt = ARRAY_SIZE(bat_lut_acin),
344 .volt_channel = 0,
345 .current_channel = 1,
346 .volt_mult = 4235,
347 .current_mult = 2900,
348 .internal_impedance = 200,
349};
350
351static struct platform_device rx1950_battery = {
352 .name = "s3c-adc-battery",
353 .id = -1,
354 .dev = {
355 .parent = &s3c_device_adc.dev,
356 .platform_data = &rx1950_bat_cfg,
357 },
358};
359
c394f177
VK		 360static struct s3c2410fb_mach_info rx1950_lcd_cfg = {
361 .displays = &rx1950_display,
362 .num_displays = 1,
363 .default_display = 0,
364
365 .lpcsel = 0x02,
366 .gpccon = 0xaa9556a9,
367 .gpccon_mask = 0xffc003fc,
368 .gpcup = 0x0000ffff,
369 .gpcup_mask = 0xffffffff,
370
371 .gpdcon = 0xaa90aaa1,
372 .gpdcon_mask = 0xffc0fff0,
373 .gpdup = 0x0000fcfd,
374 .gpdup_mask = 0xffffffff,
375
376};
377
378static struct pwm_device *lcd_pwm;
379
4cfb7b7c 380static void rx1950_lcd_power(int enable)
c394f177
VK		 381{
382 int i;
383 static int enabled;
384 if (enabled == enable)
385 return;
386 if (!enable) {
387
388 /* GPC11-GPC15->OUTPUT */
389 for (i = 11; i < 16; i++)
390 gpio_direction_output(S3C2410_GPC(i), 1);
391
392 /* Wait a bit here... */
393 mdelay(100);
394
395 /* GPD2-GPD7->OUTPUT */
396 /* GPD11-GPD15->OUTPUT */
397 /* GPD2-GPD7->1, GPD11-GPD15->1 */
398 for (i = 2; i < 8; i++)
399 gpio_direction_output(S3C2410_GPD(i), 1);
400 for (i = 11; i < 16; i++)
401 gpio_direction_output(S3C2410_GPD(i), 1);
402
403 /* Wait a bit here...*/
404 mdelay(100);
405
406 /* GPB0->OUTPUT, GPB0->0 */
407 gpio_direction_output(S3C2410_GPB(0), 0);
408
409 /* GPC1-GPC4->OUTPUT, GPC1-4->0 */
410 for (i = 1; i < 5; i++)
411 gpio_direction_output(S3C2410_GPC(i), 0);
412
413 /* GPC15-GPC11->0 */
414 for (i = 11; i < 16; i++)
415 gpio_direction_output(S3C2410_GPC(i), 0);
416
417 /* GPD15-GPD11->0, GPD2->GPD7->0 */
418 for (i = 11; i < 16; i++)
419 gpio_direction_output(S3C2410_GPD(i), 0);
420
421 for (i = 2; i < 8; i++)
422 gpio_direction_output(S3C2410_GPD(i), 0);
423
424 /* GPC6->0, GPC7->0, GPC5->0 */
425 gpio_direction_output(S3C2410_GPC(6), 0);
426 gpio_direction_output(S3C2410_GPC(7), 0);
427 gpio_direction_output(S3C2410_GPC(5), 0);
428
429 /* GPB1->OUTPUT, GPB1->0 */
430 gpio_direction_output(S3C2410_GPB(1), 0);
431 pwm_config(lcd_pwm, 0, LCD_PWM_PERIOD);
432 pwm_disable(lcd_pwm);
433
434 /* GPC0->0, GPC10->0 */
435 gpio_direction_output(S3C2410_GPC(0), 0);
436 gpio_direction_output(S3C2410_GPC(10), 0);
437 } else {
438 pwm_config(lcd_pwm, LCD_PWM_DUTY, LCD_PWM_PERIOD);
439 pwm_enable(lcd_pwm);
440
441 gpio_direction_output(S3C2410_GPC(0), 1);
442 gpio_direction_output(S3C2410_GPC(5), 1);
443
444 s3c_gpio_cfgpin(S3C2410_GPB(1), S3C2410_GPB1_TOUT1);
445 gpio_direction_output(S3C2410_GPC(7), 1);
446
447 for (i = 1; i < 5; i++)
448 s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
449
450 for (i = 11; i < 16; i++)
451 s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
452
453 for (i = 2; i < 8; i++)
454 s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
455
456 for (i = 11; i < 16; i++)
457 s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
458
459 gpio_direction_output(S3C2410_GPC(10), 1);
460 gpio_direction_output(S3C2410_GPC(6), 1);
461 }
462 enabled = enable;
463}
464
465static void rx1950_bl_power(int enable)
466{
467 static int enabled;
468 if (enabled == enable)
469 return;
470 if (!enable) {
471 gpio_direction_output(S3C2410_GPB(0), 0);
472 } else {
473 /* LED driver need a "push" to power on */
474 gpio_direction_output(S3C2410_GPB(0), 1);
475 /* Warm up backlight for one period of PWM.
476 * Without this trick its almost impossible to
477 * enable backlight with low brightness value
478 */
479 ndelay(48000);
480 s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
481 }
482 enabled = enable;
483}
484
485static int rx1950_backlight_init(struct device *dev)
486{
487 WARN_ON(gpio_request(S3C2410_GPB(0), "Backlight"));
488 lcd_pwm = pwm_request(1, "RX1950 LCD");
489 if (IS_ERR(lcd_pwm)) {
490 dev_err(dev, "Unable to request PWM for LCD power!\n");
491 return PTR_ERR(lcd_pwm);
492 }
493
494 rx1950_lcd_power(1);
495 rx1950_bl_power(1);
496
497 return 0;
498}
499
500static void rx1950_backlight_exit(struct device *dev)
501{
502 rx1950_bl_power(0);
503 rx1950_lcd_power(0);
504
505 pwm_free(lcd_pwm);
506 gpio_free(S3C2410_GPB(0));
507}
508
509
510static int rx1950_backlight_notify(struct device *dev, int brightness)
511{
512 if (!brightness) {
513 rx1950_bl_power(0);
514 rx1950_lcd_power(0);
515 } else {
516 rx1950_lcd_power(1);
517 rx1950_bl_power(1);
518 }
519 return brightness;
520}
521
522static struct platform_pwm_backlight_data rx1950_backlight_data = {
523 .pwm_id = 0,
524 .max_brightness = 24,
525 .dft_brightness = 4,
526 .pwm_period_ns = 48000,
a63652f1 527 .enable_gpio = -1,
c394f177
VK		 528 .init = rx1950_backlight_init,
529 .notify = rx1950_backlight_notify,
530 .exit = rx1950_backlight_exit,
531};
532
533static struct platform_device rx1950_backlight = {
534 .name = "pwm-backlight",
535 .dev = {
7fa33bdb 536 .parent = &samsung_device_pwm.dev,
c394f177
VK		 537 .platform_data = &rx1950_backlight_data,
538 },
539};
540
541static void rx1950_set_mmc_power(unsigned char power_mode, unsigned short vdd)
542{
543 switch (power_mode) {
544 case MMC_POWER_OFF:
545 gpio_direction_output(S3C2410_GPJ(1), 0);
546 break;
547 case MMC_POWER_UP:
548 case MMC_POWER_ON:
549 gpio_direction_output(S3C2410_GPJ(1), 1);
550 break;
551 default:
552 break;
553 }
554}
555
556static struct s3c24xx_mci_pdata rx1950_mmc_cfg __initdata = {
557 .gpio_detect = S3C2410_GPF(5),
558 .gpio_wprotect = S3C2410_GPH(8),
559 .set_power = rx1950_set_mmc_power,
560 .ocr_avail = MMC_VDD_32_33,
561};
562
563static struct mtd_partition rx1950_nand_part[] = {
564 [0] = {
565 .name = "Boot0",
566 .offset = 0,
567 .size = 0x4000,
568 .mask_flags = MTD_WRITEABLE,
569 },
570 [1] = {
571 .name = "Boot1",
572 .offset = MTDPART_OFS_APPEND,
573 .size = 0x40000,
574 .mask_flags = MTD_WRITEABLE,
575 },
576 [2] = {
577 .name = "Kernel",
578 .offset = MTDPART_OFS_APPEND,
579 .size = 0x300000,
580 .mask_flags = 0,
581 },
582 [3] = {
583 .name = "Filesystem",
584 .offset = MTDPART_OFS_APPEND,
585 .size = MTDPART_SIZ_FULL,
586 .mask_flags = 0,
587 },
588};
589
590static struct s3c2410_nand_set rx1950_nand_sets[] = {
591 [0] = {
592 .name = "Internal",
593 .nr_chips = 1,
594 .nr_partitions = ARRAY_SIZE(rx1950_nand_part),
595 .partitions = rx1950_nand_part,
596 },
597};
598
599static struct s3c2410_platform_nand rx1950_nand_info = {
600 .tacls = 25,
601 .twrph0 = 50,
602 .twrph1 = 15,
603 .nr_sets = ARRAY_SIZE(rx1950_nand_sets),
604 .sets = rx1950_nand_sets,
605};
606
c394f177 607static struct s3c2410_udc_mach_info rx1950_udc_cfg __initdata = {
c394f177
VK		 608 .vbus_pin = S3C2410_GPG(5),
609 .vbus_pin_inverted = 1,
e27c3c5c 610 .pullup_pin = S3C2410_GPJ(5),
c394f177
VK		 611};
612
613static struct s3c2410_ts_mach_info rx1950_ts_cfg __initdata = {
614 .delay = 10000,
615 .presc = 49,
616 .oversampling_shift = 3,
617};
618
619static struct gpio_keys_button rx1950_gpio_keys_table[] = {
620 {
621 .code = KEY_POWER,
622 .gpio = S3C2410_GPF(0),
623 .active_low = 1,
624 .desc = "Power button",
625 .wakeup = 1,
626 },
627 {
628 .code = KEY_F5,
629 .gpio = S3C2410_GPF(7),
630 .active_low = 1,
631 .desc = "Record button",
632 },
633 {
634 .code = KEY_F1,
635 .gpio = S3C2410_GPG(0),
636 .active_low = 1,
637 .desc = "Calendar button",
638 },
639 {
640 .code = KEY_F2,
641 .gpio = S3C2410_GPG(2),
642 .active_low = 1,
643 .desc = "Contacts button",
644 },
645 {
646 .code = KEY_F3,
647 .gpio = S3C2410_GPG(3),
648 .active_low = 1,
649 .desc = "Mail button",
650 },
651 {
652 .code = KEY_F4,
653 .gpio = S3C2410_GPG(7),
654 .active_low = 1,
655 .desc = "WLAN button",
656 },
657 {
658 .code = KEY_LEFT,
659 .gpio = S3C2410_GPG(10),
660 .active_low = 1,
661 .desc = "Left button",
662 },
663 {
664 .code = KEY_RIGHT,
665 .gpio = S3C2410_GPG(11),
666 .active_low = 1,
667 .desc = "Right button",
668 },
669 {
670 .code = KEY_UP,
671 .gpio = S3C2410_GPG(4),
672 .active_low = 1,
673 .desc = "Up button",
674 },
675 {
676 .code = KEY_DOWN,
677 .gpio = S3C2410_GPG(6),
678 .active_low = 1,
679 .desc = "Down button",
680 },
681 {
682 .code = KEY_ENTER,
683 .gpio = S3C2410_GPG(9),
684 .active_low = 1,
685 .desc = "Ok button"
686 },
687};
688
689static struct gpio_keys_platform_data rx1950_gpio_keys_data = {
690 .buttons = rx1950_gpio_keys_table,
691 .nbuttons = ARRAY_SIZE(rx1950_gpio_keys_table),
692};
693
694static struct platform_device rx1950_device_gpiokeys = {
695 .name = "gpio-keys",
696 .dev.platform_data = &rx1950_gpio_keys_data,
697};
698
2cc857ff
VK		 699static struct uda1380_platform_data uda1380_info = {
700 .gpio_power = S3C2410_GPJ(0),
701 .gpio_reset = S3C2410_GPD(0),
702 .dac_clk = UDA1380_DAC_CLK_SYSCLK,
703};
704
705static struct i2c_board_info rx1950_i2c_devices[] = {
706 {
707 I2C_BOARD_INFO("uda1380", 0x1a),
708 .platform_data = &uda1380_info,
709 },
c394f177
VK		 710};
711
712static struct platform_device *rx1950_devices[] __initdata = {
51cb1289 713 &s3c2410_device_dclk,
c394f177
VK		 714 &s3c_device_lcd,
715 &s3c_device_wdt,
716 &s3c_device_i2c0,
717 &s3c_device_iis,
718 &s3c_device_usbgadget,
719 &s3c_device_rtc,
720 &s3c_device_nand,
721 &s3c_device_sdi,
722 &s3c_device_adc,
723 &s3c_device_ts,
7fa33bdb 724 &samsung_device_pwm,
c394f177
VK		 725 &rx1950_backlight,
726 &rx1950_device_gpiokeys,
ecab01d4
VK		 727 &power_supply,
728 &rx1950_battery,
9c1a47cf 729 &rx1950_leds,
c394f177
VK		 730};
731
c394f177
VK		 732static void __init rx1950_map_io(void)
733{
c394f177 734 s3c24xx_init_io(rx1950_iodesc, ARRAY_SIZE(rx1950_iodesc));
c394f177 735 s3c24xx_init_uarts(rx1950_uartcfgs, ARRAY_SIZE(rx1950_uartcfgs));
7f78b6eb 736 samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
c394f177
VK		 737
738 /* setup PM */
739
740#ifdef CONFIG_PM_H1940
741 memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 8);
742#endif
743
744 s3c_pm_init();
745}
746
a28d618e
HS		 747static void __init rx1950_init_time(void)
748{
749 s3c2442_init_clocks(16934000);
750 samsung_timer_init();
751}
752
c394f177
VK		 753static void __init rx1950_init_machine(void)
754{
755 int i;
756
757 s3c24xx_fb_set_platdata(&rx1950_lcd_cfg);
758 s3c24xx_udc_set_platdata(&rx1950_udc_cfg);
759 s3c24xx_ts_set_platdata(&rx1950_ts_cfg);
760 s3c24xx_mci_set_platdata(&rx1950_mmc_cfg);
2cc857ff 761 s3c_i2c0_set_platdata(NULL);
c394f177
VK		 762 s3c_nand_set_platdata(&rx1950_nand_info);
763
764 /* Turn off suspend on both USB ports, and switch the
765 * selectable USB port to USB device mode. */
766 s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
767 S3C2410_MISCCR_USBSUSPND0 |
768 S3C2410_MISCCR_USBSUSPND1, 0x0);
769
c394f177
VK		 770 /* mmc power is disabled by default */
771 WARN_ON(gpio_request(S3C2410_GPJ(1), "MMC power"));
772 gpio_direction_output(S3C2410_GPJ(1), 0);
773
774 for (i = 0; i < 8; i++)
775 WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
776
777 for (i = 10; i < 16; i++)
778 WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
779
780 for (i = 2; i < 8; i++)
781 WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
782
783 for (i = 11; i < 16; i++)
784 WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
785
786 WARN_ON(gpio_request(S3C2410_GPB(1), "LCD power"));
787
62235dcd
VK		 788 WARN_ON(gpio_request(S3C2410_GPA(3), "Red blink"));
789 WARN_ON(gpio_request(S3C2410_GPA(4), "Green blink"));
790 WARN_ON(gpio_request(S3C2410_GPJ(6), "LED blink"));
791 gpio_direction_output(S3C2410_GPA(3), 0);
792 gpio_direction_output(S3C2410_GPA(4), 0);
793 gpio_direction_output(S3C2410_GPJ(6), 0);
794
c394f177 795 platform_add_devices(rx1950_devices, ARRAY_SIZE(rx1950_devices));
2cc857ff
VK		 796
797 i2c_register_board_info(0, rx1950_i2c_devices,
798 ARRAY_SIZE(rx1950_i2c_devices));
c394f177
VK		 799}
800
98c672cf
RK		 801/* H1940 and RX3715 need to reserve this for suspend */
802static void __init rx1950_reserve(void)
803{
8d717a52
RK		 804 memblock_reserve(0x30003000, 0x1000);
805 memblock_reserve(0x30081000, 0x1000);
98c672cf
RK		 806}
807
c394f177
VK		 808MACHINE_START(RX1950, "HP iPAQ RX1950")
809 /* Maintainers: Vasily Khoruzhick */
69d50710 810 .atag_offset = 0x100,
c394f177 811 .map_io = rx1950_map_io,
98c672cf 812 .reserve = rx1950_reserve,
ce6c164b 813 .init_irq = s3c2442_init_irq,
c394f177 814 .init_machine = rx1950_init_machine,
a28d618e 815 .init_time = rx1950_init_time,
c394f177 816MACHINE_END
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