projects / deliverable / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
ARM: 7265/1: restart: S3C24XX: use new restart hook
[deliverable/linux.git] / arch / arm / mach-s3c2440 / mach-rx1950.c
CommitLineData
c394f177
VK		 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>
8d717a52 18#include <linux/memblock.h>
c394f177
VK		 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/sysdev.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
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-gpioj.h>
61c542bf 46#include <mach/regs-lcd.h>
c394f177
VK		 47#include <mach/h1940.h>
48#include <mach/fb.h>
49
50#include <plat/clock.h>
51#include <plat/regs-serial.h>
52#include <plat/regs-iic.h>
53#include <plat/mci.h>
54#include <plat/udc.h>
55#include <plat/nand.h>
56#include <plat/iic.h>
57#include <plat/devs.h>
58#include <plat/cpu.h>
59#include <plat/pm.h>
60#include <plat/irq.h>
61#include <plat/ts.h>
62
2cc857ff
VK		 63#include <sound/uda1380.h>
64
b27b0727
KK		 65#include "common.h"
66
c394f177
VK		 67#define LCD_PWM_PERIOD 192960
68#define LCD_PWM_DUTY 127353
69
70static struct map_desc rx1950_iodesc[] __initdata = {
71};
72
73static struct s3c24xx_uart_clksrc rx1950_serial_clocks[] = {
74 [0] = {
75 .name = "fclk",
76 .divisor = 0x0a,
77 .min_baud = 0,
78 .max_baud = 0,
79 },
80};
81
82static struct s3c2410_uartcfg rx1950_uartcfgs[] __initdata = {
83 [0] = {
84 .hwport = 0,
85 .flags = 0,
86 .ucon = 0x3c5,
87 .ulcon = 0x03,
88 .ufcon = 0x51,
89 .clocks = rx1950_serial_clocks,
90 .clocks_size = ARRAY_SIZE(rx1950_serial_clocks),
91 },
92 [1] = {
93 .hwport = 1,
94 .flags = 0,
95 .ucon = 0x3c5,
96 .ulcon = 0x03,
97 .ufcon = 0x51,
98 .clocks = rx1950_serial_clocks,
99 .clocks_size = ARRAY_SIZE(rx1950_serial_clocks),
100 },
101 /* IR port */
102 [2] = {
103 .hwport = 2,
104 .flags = 0,
105 .ucon = 0x3c5,
106 .ulcon = 0x43,
107 .ufcon = 0xf1,
108 .clocks = rx1950_serial_clocks,
109 .clocks_size = ARRAY_SIZE(rx1950_serial_clocks),
110 },
111};
112
113static struct s3c2410fb_display rx1950_display = {
114 .type = S3C2410_LCDCON1_TFT,
115 .width = 240,
116 .height = 320,
117 .xres = 240,
118 .yres = 320,
119 .bpp = 16,
120
121 .pixclock = 260000,
122 .left_margin = 10,
123 .right_margin = 20,
124 .hsync_len = 10,
125 .upper_margin = 2,
126 .lower_margin = 2,
127 .vsync_len = 2,
128
129 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
130 S3C2410_LCDCON5_INVVCLK |
131 S3C2410_LCDCON5_INVVLINE |
132 S3C2410_LCDCON5_INVVFRAME |
133 S3C2410_LCDCON5_HWSWP |
134 (0x02 << 13) |
135 (0x02 << 15),
136
137};
138
ecab01d4
VK		 139static int power_supply_init(struct device *dev)
140{
141 return gpio_request(S3C2410_GPF(2), "cable plugged");
142}
143
144static int rx1950_is_ac_online(void)
145{
146 return !gpio_get_value(S3C2410_GPF(2));
147}
148
149static void power_supply_exit(struct device *dev)
150{
151 gpio_free(S3C2410_GPF(2));
152}
153
154static char *rx1950_supplicants[] = {
155 "main-battery"
156};
157
158static struct pda_power_pdata power_supply_info = {
159 .init = power_supply_init,
160 .is_ac_online = rx1950_is_ac_online,
161 .exit = power_supply_exit,
162 .supplied_to = rx1950_supplicants,
163 .num_supplicants = ARRAY_SIZE(rx1950_supplicants),
164};
165
166static struct resource power_supply_resources[] = {
167 [0] = {
168 .name = "ac",
169 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE |
170 IORESOURCE_IRQ_HIGHEDGE,
171 .start = IRQ_EINT2,
172 .end = IRQ_EINT2,
173 },
174};
175
176static struct platform_device power_supply = {
177 .name = "pda-power",
178 .id = -1,
179 .dev = {
180 .platform_data =
181 &power_supply_info,
182 },
183 .resource = power_supply_resources,
184 .num_resources = ARRAY_SIZE(power_supply_resources),
185};
186
187static const struct s3c_adc_bat_thresh bat_lut_noac[] = {
188 { .volt = 4100, .cur = 156, .level = 100},
189 { .volt = 4050, .cur = 156, .level = 95},
190 { .volt = 4025, .cur = 141, .level = 90},
191 { .volt = 3995, .cur = 144, .level = 85},
192 { .volt = 3957, .cur = 162, .level = 80},
193 { .volt = 3931, .cur = 147, .level = 75},
194 { .volt = 3902, .cur = 147, .level = 70},
195 { .volt = 3863, .cur = 153, .level = 65},
196 { .volt = 3838, .cur = 150, .level = 60},
197 { .volt = 3800, .cur = 153, .level = 55},
198 { .volt = 3765, .cur = 153, .level = 50},
199 { .volt = 3748, .cur = 172, .level = 45},
200 { .volt = 3740, .cur = 153, .level = 40},
201 { .volt = 3714, .cur = 175, .level = 35},
202 { .volt = 3710, .cur = 156, .level = 30},
203 { .volt = 3963, .cur = 156, .level = 25},
204 { .volt = 3672, .cur = 178, .level = 20},
205 { .volt = 3651, .cur = 178, .level = 15},
206 { .volt = 3629, .cur = 178, .level = 10},
207 { .volt = 3612, .cur = 162, .level = 5},
208 { .volt = 3605, .cur = 162, .level = 0},
209};
210
211static const struct s3c_adc_bat_thresh bat_lut_acin[] = {
212 { .volt = 4200, .cur = 0, .level = 100},
213 { .volt = 4190, .cur = 0, .level = 99},
214 { .volt = 4178, .cur = 0, .level = 95},
215 { .volt = 4110, .cur = 0, .level = 70},
216 { .volt = 4076, .cur = 0, .level = 65},
217 { .volt = 4046, .cur = 0, .level = 60},
218 { .volt = 4021, .cur = 0, .level = 55},
219 { .volt = 3999, .cur = 0, .level = 50},
220 { .volt = 3982, .cur = 0, .level = 45},
221 { .volt = 3965, .cur = 0, .level = 40},
222 { .volt = 3957, .cur = 0, .level = 35},
223 { .volt = 3948, .cur = 0, .level = 30},
224 { .volt = 3936, .cur = 0, .level = 25},
225 { .volt = 3927, .cur = 0, .level = 20},
226 { .volt = 3906, .cur = 0, .level = 15},
227 { .volt = 3880, .cur = 0, .level = 10},
228 { .volt = 3829, .cur = 0, .level = 5},
229 { .volt = 3820, .cur = 0, .level = 0},
230};
231
232int rx1950_bat_init(void)
233{
234 int ret;
235
236 ret = gpio_request(S3C2410_GPJ(2), "rx1950-charger-enable-1");
237 if (ret)
238 goto err_gpio1;
239 ret = gpio_request(S3C2410_GPJ(3), "rx1950-charger-enable-2");
240 if (ret)
241 goto err_gpio2;
242
243 return 0;
244
245err_gpio2:
246 gpio_free(S3C2410_GPJ(2));
247err_gpio1:
248 return ret;
249}
250
251void rx1950_bat_exit(void)
252{
253 gpio_free(S3C2410_GPJ(2));
254 gpio_free(S3C2410_GPJ(3));
255}
256
257void rx1950_enable_charger(void)
258{
259 gpio_direction_output(S3C2410_GPJ(2), 1);
260 gpio_direction_output(S3C2410_GPJ(3), 1);
261}
262
263void rx1950_disable_charger(void)
264{
265 gpio_direction_output(S3C2410_GPJ(2), 0);
266 gpio_direction_output(S3C2410_GPJ(3), 0);
267}
268
62235dcd
VK		 269DEFINE_SPINLOCK(rx1950_blink_spin);
270
271static int rx1950_led_blink_set(unsigned gpio, int state,
272 unsigned long *delay_on, unsigned long *delay_off)
273{
274 int blink_gpio, check_gpio;
275
276 switch (gpio) {
277 case S3C2410_GPA(6):
278 blink_gpio = S3C2410_GPA(4);
279 check_gpio = S3C2410_GPA(3);
280 break;
281 case S3C2410_GPA(7):
282 blink_gpio = S3C2410_GPA(3);
283 check_gpio = S3C2410_GPA(4);
284 break;
285 default:
286 return -EINVAL;
287 break;
288 }
289
290 if (delay_on && delay_off && !*delay_on && !*delay_off)
291 *delay_on = *delay_off = 500;
292
293 spin_lock(&rx1950_blink_spin);
294
295 switch (state) {
296 case GPIO_LED_NO_BLINK_LOW:
297 case GPIO_LED_NO_BLINK_HIGH:
298 if (!gpio_get_value(check_gpio))
299 gpio_set_value(S3C2410_GPJ(6), 0);
300 gpio_set_value(blink_gpio, 0);
301 gpio_set_value(gpio, state);
302 break;
303 case GPIO_LED_BLINK:
304 gpio_set_value(gpio, 0);
305 gpio_set_value(S3C2410_GPJ(6), 1);
306 gpio_set_value(blink_gpio, 1);
307 break;
308 }
309
310 spin_unlock(&rx1950_blink_spin);
311
312 return 0;
313}
314
9c1a47cf
VK		 315static struct gpio_led rx1950_leds_desc[] = {
316 {
9edb2406
VK		 317 .name = "Green",
318 .default_trigger = "main-battery-full",
319 .gpio = S3C2410_GPA(6),
320 .retain_state_suspended = 1,
9c1a47cf
VK		 321 },
322 {
9edb2406
VK		 323 .name = "Red",
324 .default_trigger
325 = "main-battery-charging-blink-full-solid",
326 .gpio = S3C2410_GPA(7),
327 .retain_state_suspended = 1,
9c1a47cf
VK		 328 },
329 {
9edb2406 330 .name = "Blue",
9c1a47cf 331 .default_trigger = "rx1950-acx-mem",
9edb2406
VK		 332 .gpio = S3C2410_GPA(11),
333 .retain_state_suspended = 1,
9c1a47cf
VK		 334 },
335};
336
337static struct gpio_led_platform_data rx1950_leds_pdata = {
338 .num_leds = ARRAY_SIZE(rx1950_leds_desc),
339 .leds = rx1950_leds_desc,
62235dcd 340 .gpio_blink_set = rx1950_led_blink_set,
9c1a47cf
VK		 341};
342
343static struct platform_device rx1950_leds = {
344 .name = "leds-gpio",
345 .id = -1,
346 .dev = {
347 .platform_data = &rx1950_leds_pdata,
348 },
349};
350
ecab01d4
VK		 351static struct s3c_adc_bat_pdata rx1950_bat_cfg = {
352 .init = rx1950_bat_init,
353 .exit = rx1950_bat_exit,
354 .enable_charger = rx1950_enable_charger,
355 .disable_charger = rx1950_disable_charger,
356 .gpio_charge_finished = S3C2410_GPF(3),
357 .lut_noac = bat_lut_noac,
358 .lut_noac_cnt = ARRAY_SIZE(bat_lut_noac),
359 .lut_acin = bat_lut_acin,
360 .lut_acin_cnt = ARRAY_SIZE(bat_lut_acin),
361 .volt_channel = 0,
362 .current_channel = 1,
363 .volt_mult = 4235,
364 .current_mult = 2900,
365 .internal_impedance = 200,
366};
367
368static struct platform_device rx1950_battery = {
369 .name = "s3c-adc-battery",
370 .id = -1,
371 .dev = {
372 .parent = &s3c_device_adc.dev,
373 .platform_data = &rx1950_bat_cfg,
374 },
375};
376
c394f177
VK		 377static struct s3c2410fb_mach_info rx1950_lcd_cfg = {
378 .displays = &rx1950_display,
379 .num_displays = 1,
380 .default_display = 0,
381
382 .lpcsel = 0x02,
383 .gpccon = 0xaa9556a9,
384 .gpccon_mask = 0xffc003fc,
385 .gpcup = 0x0000ffff,
386 .gpcup_mask = 0xffffffff,
387
388 .gpdcon = 0xaa90aaa1,
389 .gpdcon_mask = 0xffc0fff0,
390 .gpdup = 0x0000fcfd,
391 .gpdup_mask = 0xffffffff,
392
393};
394
395static struct pwm_device *lcd_pwm;
396
397void rx1950_lcd_power(int enable)
398{
399 int i;
400 static int enabled;
401 if (enabled == enable)
402 return;
403 if (!enable) {
404
405 /* GPC11-GPC15->OUTPUT */
406 for (i = 11; i < 16; i++)
407 gpio_direction_output(S3C2410_GPC(i), 1);
408
409 /* Wait a bit here... */
410 mdelay(100);
411
412 /* GPD2-GPD7->OUTPUT */
413 /* GPD11-GPD15->OUTPUT */
414 /* GPD2-GPD7->1, GPD11-GPD15->1 */
415 for (i = 2; i < 8; i++)
416 gpio_direction_output(S3C2410_GPD(i), 1);
417 for (i = 11; i < 16; i++)
418 gpio_direction_output(S3C2410_GPD(i), 1);
419
420 /* Wait a bit here...*/
421 mdelay(100);
422
423 /* GPB0->OUTPUT, GPB0->0 */
424 gpio_direction_output(S3C2410_GPB(0), 0);
425
426 /* GPC1-GPC4->OUTPUT, GPC1-4->0 */
427 for (i = 1; i < 5; i++)
428 gpio_direction_output(S3C2410_GPC(i), 0);
429
430 /* GPC15-GPC11->0 */
431 for (i = 11; i < 16; i++)
432 gpio_direction_output(S3C2410_GPC(i), 0);
433
434 /* GPD15-GPD11->0, GPD2->GPD7->0 */
435 for (i = 11; i < 16; i++)
436 gpio_direction_output(S3C2410_GPD(i), 0);
437
438 for (i = 2; i < 8; i++)
439 gpio_direction_output(S3C2410_GPD(i), 0);
440
441 /* GPC6->0, GPC7->0, GPC5->0 */
442 gpio_direction_output(S3C2410_GPC(6), 0);
443 gpio_direction_output(S3C2410_GPC(7), 0);
444 gpio_direction_output(S3C2410_GPC(5), 0);
445
446 /* GPB1->OUTPUT, GPB1->0 */
447 gpio_direction_output(S3C2410_GPB(1), 0);
448 pwm_config(lcd_pwm, 0, LCD_PWM_PERIOD);
449 pwm_disable(lcd_pwm);
450
451 /* GPC0->0, GPC10->0 */
452 gpio_direction_output(S3C2410_GPC(0), 0);
453 gpio_direction_output(S3C2410_GPC(10), 0);
454 } else {
455 pwm_config(lcd_pwm, LCD_PWM_DUTY, LCD_PWM_PERIOD);
456 pwm_enable(lcd_pwm);
457
458 gpio_direction_output(S3C2410_GPC(0), 1);
459 gpio_direction_output(S3C2410_GPC(5), 1);
460
461 s3c_gpio_cfgpin(S3C2410_GPB(1), S3C2410_GPB1_TOUT1);
462 gpio_direction_output(S3C2410_GPC(7), 1);
463
464 for (i = 1; i < 5; i++)
465 s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
466
467 for (i = 11; i < 16; i++)
468 s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
469
470 for (i = 2; i < 8; i++)
471 s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
472
473 for (i = 11; i < 16; i++)
474 s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
475
476 gpio_direction_output(S3C2410_GPC(10), 1);
477 gpio_direction_output(S3C2410_GPC(6), 1);
478 }
479 enabled = enable;
480}
481
482static void rx1950_bl_power(int enable)
483{
484 static int enabled;
485 if (enabled == enable)
486 return;
487 if (!enable) {
488 gpio_direction_output(S3C2410_GPB(0), 0);
489 } else {
490 /* LED driver need a "push" to power on */
491 gpio_direction_output(S3C2410_GPB(0), 1);
492 /* Warm up backlight for one period of PWM.
493 * Without this trick its almost impossible to
494 * enable backlight with low brightness value
495 */
496 ndelay(48000);
497 s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
498 }
499 enabled = enable;
500}
501
502static int rx1950_backlight_init(struct device *dev)
503{
504 WARN_ON(gpio_request(S3C2410_GPB(0), "Backlight"));
505 lcd_pwm = pwm_request(1, "RX1950 LCD");
506 if (IS_ERR(lcd_pwm)) {
507 dev_err(dev, "Unable to request PWM for LCD power!\n");
508 return PTR_ERR(lcd_pwm);
509 }
510
511 rx1950_lcd_power(1);
512 rx1950_bl_power(1);
513
514 return 0;
515}
516
517static void rx1950_backlight_exit(struct device *dev)
518{
519 rx1950_bl_power(0);
520 rx1950_lcd_power(0);
521
522 pwm_free(lcd_pwm);
523 gpio_free(S3C2410_GPB(0));
524}
525
526
527static int rx1950_backlight_notify(struct device *dev, int brightness)
528{
529 if (!brightness) {
530 rx1950_bl_power(0);
531 rx1950_lcd_power(0);
532 } else {
533 rx1950_lcd_power(1);
534 rx1950_bl_power(1);
535 }
536 return brightness;
537}
538
539static struct platform_pwm_backlight_data rx1950_backlight_data = {
540 .pwm_id = 0,
541 .max_brightness = 24,
542 .dft_brightness = 4,
543 .pwm_period_ns = 48000,
544 .init = rx1950_backlight_init,
545 .notify = rx1950_backlight_notify,
546 .exit = rx1950_backlight_exit,
547};
548
549static struct platform_device rx1950_backlight = {
550 .name = "pwm-backlight",
551 .dev = {
552 .parent = &s3c_device_timer[0].dev,
553 .platform_data = &rx1950_backlight_data,
554 },
555};
556
557static void rx1950_set_mmc_power(unsigned char power_mode, unsigned short vdd)
558{
559 switch (power_mode) {
560 case MMC_POWER_OFF:
561 gpio_direction_output(S3C2410_GPJ(1), 0);
562 break;
563 case MMC_POWER_UP:
564 case MMC_POWER_ON:
565 gpio_direction_output(S3C2410_GPJ(1), 1);
566 break;
567 default:
568 break;
569 }
570}
571
572static struct s3c24xx_mci_pdata rx1950_mmc_cfg __initdata = {
573 .gpio_detect = S3C2410_GPF(5),
574 .gpio_wprotect = S3C2410_GPH(8),
575 .set_power = rx1950_set_mmc_power,
576 .ocr_avail = MMC_VDD_32_33,
577};
578
579static struct mtd_partition rx1950_nand_part[] = {
580 [0] = {
581 .name = "Boot0",
582 .offset = 0,
583 .size = 0x4000,
584 .mask_flags = MTD_WRITEABLE,
585 },
586 [1] = {
587 .name = "Boot1",
588 .offset = MTDPART_OFS_APPEND,
589 .size = 0x40000,
590 .mask_flags = MTD_WRITEABLE,
591 },
592 [2] = {
593 .name = "Kernel",
594 .offset = MTDPART_OFS_APPEND,
595 .size = 0x300000,
596 .mask_flags = 0,
597 },
598 [3] = {
599 .name = "Filesystem",
600 .offset = MTDPART_OFS_APPEND,
601 .size = MTDPART_SIZ_FULL,
602 .mask_flags = 0,
603 },
604};
605
606static struct s3c2410_nand_set rx1950_nand_sets[] = {
607 [0] = {
608 .name = "Internal",
609 .nr_chips = 1,
610 .nr_partitions = ARRAY_SIZE(rx1950_nand_part),
611 .partitions = rx1950_nand_part,
612 },
613};
614
615static struct s3c2410_platform_nand rx1950_nand_info = {
616 .tacls = 25,
617 .twrph0 = 50,
618 .twrph1 = 15,
619 .nr_sets = ARRAY_SIZE(rx1950_nand_sets),
620 .sets = rx1950_nand_sets,
621};
622
c394f177 623static struct s3c2410_udc_mach_info rx1950_udc_cfg __initdata = {
c394f177
VK		 624 .vbus_pin = S3C2410_GPG(5),
625 .vbus_pin_inverted = 1,
e27c3c5c 626 .pullup_pin = S3C2410_GPJ(5),
c394f177
VK		 627};
628
629static struct s3c2410_ts_mach_info rx1950_ts_cfg __initdata = {
630 .delay = 10000,
631 .presc = 49,
632 .oversampling_shift = 3,
633};
634
635static struct gpio_keys_button rx1950_gpio_keys_table[] = {
636 {
637 .code = KEY_POWER,
638 .gpio = S3C2410_GPF(0),
639 .active_low = 1,
640 .desc = "Power button",
641 .wakeup = 1,
642 },
643 {
644 .code = KEY_F5,
645 .gpio = S3C2410_GPF(7),
646 .active_low = 1,
647 .desc = "Record button",
648 },
649 {
650 .code = KEY_F1,
651 .gpio = S3C2410_GPG(0),
652 .active_low = 1,
653 .desc = "Calendar button",
654 },
655 {
656 .code = KEY_F2,
657 .gpio = S3C2410_GPG(2),
658 .active_low = 1,
659 .desc = "Contacts button",
660 },
661 {
662 .code = KEY_F3,
663 .gpio = S3C2410_GPG(3),
664 .active_low = 1,
665 .desc = "Mail button",
666 },
667 {
668 .code = KEY_F4,
669 .gpio = S3C2410_GPG(7),
670 .active_low = 1,
671 .desc = "WLAN button",
672 },
673 {
674 .code = KEY_LEFT,
675 .gpio = S3C2410_GPG(10),
676 .active_low = 1,
677 .desc = "Left button",
678 },
679 {
680 .code = KEY_RIGHT,
681 .gpio = S3C2410_GPG(11),
682 .active_low = 1,
683 .desc = "Right button",
684 },
685 {
686 .code = KEY_UP,
687 .gpio = S3C2410_GPG(4),
688 .active_low = 1,
689 .desc = "Up button",
690 },
691 {
692 .code = KEY_DOWN,
693 .gpio = S3C2410_GPG(6),
694 .active_low = 1,
695 .desc = "Down button",
696 },
697 {
698 .code = KEY_ENTER,
699 .gpio = S3C2410_GPG(9),
700 .active_low = 1,
701 .desc = "Ok button"
702 },
703};
704
705static struct gpio_keys_platform_data rx1950_gpio_keys_data = {
706 .buttons = rx1950_gpio_keys_table,
707 .nbuttons = ARRAY_SIZE(rx1950_gpio_keys_table),
708};
709
710static struct platform_device rx1950_device_gpiokeys = {
711 .name = "gpio-keys",
712 .dev.platform_data = &rx1950_gpio_keys_data,
713};
714
2cc857ff
VK		 715static struct uda1380_platform_data uda1380_info = {
716 .gpio_power = S3C2410_GPJ(0),
717 .gpio_reset = S3C2410_GPD(0),
718 .dac_clk = UDA1380_DAC_CLK_SYSCLK,
719};
720
721static struct i2c_board_info rx1950_i2c_devices[] = {
722 {
723 I2C_BOARD_INFO("uda1380", 0x1a),
724 .platform_data = &uda1380_info,
725 },
c394f177
VK		 726};
727
728static struct platform_device *rx1950_devices[] __initdata = {
729 &s3c_device_lcd,
730 &s3c_device_wdt,
731 &s3c_device_i2c0,
732 &s3c_device_iis,
83e37b8e 733 &samsung_asoc_dma,
c394f177
VK		 734 &s3c_device_usbgadget,
735 &s3c_device_rtc,
736 &s3c_device_nand,
737 &s3c_device_sdi,
738 &s3c_device_adc,
739 &s3c_device_ts,
740 &s3c_device_timer[0],
741 &s3c_device_timer[1],
742 &rx1950_backlight,
743 &rx1950_device_gpiokeys,
ecab01d4
VK		 744 &power_supply,
745 &rx1950_battery,
9c1a47cf 746 &rx1950_leds,
c394f177
VK		 747};
748
749static struct clk *rx1950_clocks[] __initdata = {
750 &s3c24xx_clkout0,
751 &s3c24xx_clkout1,
752};
753
754static void __init rx1950_map_io(void)
755{
756 s3c24xx_clkout0.parent = &clk_h;
757 s3c24xx_clkout1.parent = &clk_f;
758
759 s3c24xx_register_clocks(rx1950_clocks, ARRAY_SIZE(rx1950_clocks));
760
761 s3c24xx_init_io(rx1950_iodesc, ARRAY_SIZE(rx1950_iodesc));
762 s3c24xx_init_clocks(16934000);
763 s3c24xx_init_uarts(rx1950_uartcfgs, ARRAY_SIZE(rx1950_uartcfgs));
764
765 /* setup PM */
766
767#ifdef CONFIG_PM_H1940
768 memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 8);
769#endif
770
771 s3c_pm_init();
772}
773
774static void __init rx1950_init_machine(void)
775{
776 int i;
777
778 s3c24xx_fb_set_platdata(&rx1950_lcd_cfg);
779 s3c24xx_udc_set_platdata(&rx1950_udc_cfg);
780 s3c24xx_ts_set_platdata(&rx1950_ts_cfg);
781 s3c24xx_mci_set_platdata(&rx1950_mmc_cfg);
2cc857ff 782 s3c_i2c0_set_platdata(NULL);
c394f177
VK		 783 s3c_nand_set_platdata(&rx1950_nand_info);
784
785 /* Turn off suspend on both USB ports, and switch the
786 * selectable USB port to USB device mode. */
787 s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
788 S3C2410_MISCCR_USBSUSPND0 |
789 S3C2410_MISCCR_USBSUSPND1, 0x0);
790
c394f177
VK		 791 /* mmc power is disabled by default */
792 WARN_ON(gpio_request(S3C2410_GPJ(1), "MMC power"));
793 gpio_direction_output(S3C2410_GPJ(1), 0);
794
795 for (i = 0; i < 8; i++)
796 WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
797
798 for (i = 10; i < 16; i++)
799 WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
800
801 for (i = 2; i < 8; i++)
802 WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
803
804 for (i = 11; i < 16; i++)
805 WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
806
807 WARN_ON(gpio_request(S3C2410_GPB(1), "LCD power"));
808
62235dcd
VK		 809 WARN_ON(gpio_request(S3C2410_GPA(3), "Red blink"));
810 WARN_ON(gpio_request(S3C2410_GPA(4), "Green blink"));
811 WARN_ON(gpio_request(S3C2410_GPJ(6), "LED blink"));
812 gpio_direction_output(S3C2410_GPA(3), 0);
813 gpio_direction_output(S3C2410_GPA(4), 0);
814 gpio_direction_output(S3C2410_GPJ(6), 0);
815
c394f177 816 platform_add_devices(rx1950_devices, ARRAY_SIZE(rx1950_devices));
2cc857ff
VK		 817
818 i2c_register_board_info(0, rx1950_i2c_devices,
819 ARRAY_SIZE(rx1950_i2c_devices));
c394f177
VK		 820}
821
98c672cf
RK		 822/* H1940 and RX3715 need to reserve this for suspend */
823static void __init rx1950_reserve(void)
824{
8d717a52
RK		 825 memblock_reserve(0x30003000, 0x1000);
826 memblock_reserve(0x30081000, 0x1000);
98c672cf
RK		 827}
828
c394f177
VK		 829MACHINE_START(RX1950, "HP iPAQ RX1950")
830 /* Maintainers: Vasily Khoruzhick */
69d50710 831 .atag_offset = 0x100,
c394f177 832 .map_io = rx1950_map_io,
98c672cf 833 .reserve = rx1950_reserve,
c394f177
VK		 834 .init_irq = s3c24xx_init_irq,
835 .init_machine = rx1950_init_machine,
836 .timer = &s3c24xx_timer,
b27b0727 837 .restart = s3c2440_restart,
c394f177 838MACHINE_END
Linux kernel - Deliverables
This page took 0.131713 seconds and 5 git commands to generate.