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ARM: delete struct sys_timer
[linux-2.6-block.git] / arch / arm / mach-s3c24xx / mach-rx1950.c
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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>
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
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>
61c542bf 45#include <mach/regs-lcd.h>
c394f177
VK		 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>
436d42c6
AB		 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>
c394f177
VK		 56#include <plat/devs.h>
57#include <plat/cpu.h>
58#include <plat/pm.h>
59#include <plat/irq.h>
436d42c6 60#include <linux/platform_data/touchscreen-s3c2410.h>
c394f177 61
2cc857ff
VK		 62#include <sound/uda1380.h>
63
b27b0727
KK		 64#include "common.h"
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
VK		 252
253static 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
9c1a47cf
VK		 297static struct gpio_led rx1950_leds_desc[] = {
298 {
9edb2406
VK		 299 .name = "Green",
300 .default_trigger = "main-battery-full",
301 .gpio = S3C2410_GPA(6),
302 .retain_state_suspended = 1,
9c1a47cf
VK		 303 },
304 {
9edb2406
VK		 305 .name = "Red",
306 .default_trigger
307 = "main-battery-charging-blink-full-solid",
308 .gpio = S3C2410_GPA(7),
309 .retain_state_suspended = 1,
9c1a47cf
VK		 310 },
311 {
9edb2406 312 .name = "Blue",
9c1a47cf 313 .default_trigger = "rx1950-acx-mem",
9edb2406
VK		 314 .gpio = S3C2410_GPA(11),
315 .retain_state_suspended = 1,
9c1a47cf
VK		 316 },
317};
318
319static struct gpio_led_platform_data rx1950_leds_pdata = {
320 .num_leds = ARRAY_SIZE(rx1950_leds_desc),
321 .leds = rx1950_leds_desc,
62235dcd 322 .gpio_blink_set = rx1950_led_blink_set,
9c1a47cf
VK		 323};
324
325static struct platform_device rx1950_leds = {
326 .name = "leds-gpio",
327 .id = -1,
328 .dev = {
329 .platform_data = &rx1950_leds_pdata,
330 },
331};
332
ecab01d4
VK		 333static 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
350static 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
c394f177
VK		 359static 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
377static struct pwm_device *lcd_pwm;
378
4cfb7b7c 379static void rx1950_lcd_power(int enable)
c394f177
VK		 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
464static 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
484static 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
499static 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
509static 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
521static 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
531static 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
539static 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
554static 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
561static 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
588static 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
597static 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
c394f177 605static struct s3c2410_udc_mach_info rx1950_udc_cfg __initdata = {
c394f177
VK		 606 .vbus_pin = S3C2410_GPG(5),
607 .vbus_pin_inverted = 1,
e27c3c5c 608 .pullup_pin = S3C2410_GPJ(5),
c394f177
VK		 609};
610
611static struct s3c2410_ts_mach_info rx1950_ts_cfg __initdata = {
612 .delay = 10000,
613 .presc = 49,
614 .oversampling_shift = 3,
615};
616
617static 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
687static 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
692static struct platform_device rx1950_device_gpiokeys = {
693 .name = "gpio-keys",
694 .dev.platform_data = &rx1950_gpio_keys_data,
695};
696
2cc857ff
VK		 697static 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
703static struct i2c_board_info rx1950_i2c_devices[] = {
704 {
705 I2C_BOARD_INFO("uda1380", 0x1a),
706 .platform_data = &uda1380_info,
707 },
c394f177
VK		 708};
709
710static struct platform_device *rx1950_devices[] __initdata = {
711 &s3c_device_lcd,
712 &s3c_device_wdt,
713 &s3c_device_i2c0,
714 &s3c_device_iis,
715 &s3c_device_usbgadget,
716 &s3c_device_rtc,
717 &s3c_device_nand,
718 &s3c_device_sdi,
719 &s3c_device_adc,
720 &s3c_device_ts,
721 &s3c_device_timer[0],
722 &s3c_device_timer[1],
723 &rx1950_backlight,
724 &rx1950_device_gpiokeys,
ecab01d4
VK		 725 &power_supply,
726 &rx1950_battery,
9c1a47cf 727 &rx1950_leds,
c394f177
VK		 728};
729
730static struct clk *rx1950_clocks[] __initdata = {
731 &s3c24xx_clkout0,
732 &s3c24xx_clkout1,
733};
734
735static void __init rx1950_map_io(void)
736{
737 s3c24xx_clkout0.parent = &clk_h;
738 s3c24xx_clkout1.parent = &clk_f;
739
740 s3c24xx_register_clocks(rx1950_clocks, ARRAY_SIZE(rx1950_clocks));
741
742 s3c24xx_init_io(rx1950_iodesc, ARRAY_SIZE(rx1950_iodesc));
743 s3c24xx_init_clocks(16934000);
744 s3c24xx_init_uarts(rx1950_uartcfgs, ARRAY_SIZE(rx1950_uartcfgs));
745
746 /* setup PM */
747
748#ifdef CONFIG_PM_H1940
749 memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 8);
750#endif
751
752 s3c_pm_init();
753}
754
755static void __init rx1950_init_machine(void)
756{
757 int i;
758
759 s3c24xx_fb_set_platdata(&rx1950_lcd_cfg);
760 s3c24xx_udc_set_platdata(&rx1950_udc_cfg);
761 s3c24xx_ts_set_platdata(&rx1950_ts_cfg);
762 s3c24xx_mci_set_platdata(&rx1950_mmc_cfg);
2cc857ff 763 s3c_i2c0_set_platdata(NULL);
c394f177
VK		 764 s3c_nand_set_platdata(&rx1950_nand_info);
765
766 /* Turn off suspend on both USB ports, and switch the
767 * selectable USB port to USB device mode. */
768 s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
769 S3C2410_MISCCR_USBSUSPND0 |
770 S3C2410_MISCCR_USBSUSPND1, 0x0);
771
c394f177
VK		 772 /* mmc power is disabled by default */
773 WARN_ON(gpio_request(S3C2410_GPJ(1), "MMC power"));
774 gpio_direction_output(S3C2410_GPJ(1), 0);
775
776 for (i = 0; i < 8; i++)
777 WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
778
779 for (i = 10; i < 16; i++)
780 WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
781
782 for (i = 2; i < 8; i++)
783 WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
784
785 for (i = 11; i < 16; i++)
786 WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
787
788 WARN_ON(gpio_request(S3C2410_GPB(1), "LCD power"));
789
62235dcd
VK		 790 WARN_ON(gpio_request(S3C2410_GPA(3), "Red blink"));
791 WARN_ON(gpio_request(S3C2410_GPA(4), "Green blink"));
792 WARN_ON(gpio_request(S3C2410_GPJ(6), "LED blink"));
793 gpio_direction_output(S3C2410_GPA(3), 0);
794 gpio_direction_output(S3C2410_GPA(4), 0);
795 gpio_direction_output(S3C2410_GPJ(6), 0);
796
c394f177 797 platform_add_devices(rx1950_devices, ARRAY_SIZE(rx1950_devices));
2cc857ff
VK		 798
799 i2c_register_board_info(0, rx1950_i2c_devices,
800 ARRAY_SIZE(rx1950_i2c_devices));
c394f177
VK		 801}
802
98c672cf
RK		 803/* H1940 and RX3715 need to reserve this for suspend */
804static void __init rx1950_reserve(void)
805{
8d717a52
RK		 806 memblock_reserve(0x30003000, 0x1000);
807 memblock_reserve(0x30081000, 0x1000);
98c672cf
RK		 808}
809
c394f177
VK		 810MACHINE_START(RX1950, "HP iPAQ RX1950")
811 /* Maintainers: Vasily Khoruzhick */
69d50710 812 .atag_offset = 0x100,
c394f177 813 .map_io = rx1950_map_io,
98c672cf 814 .reserve = rx1950_reserve,
c394f177
VK		 815 .init_irq = s3c24xx_init_irq,
816 .init_machine = rx1950_init_machine,
6bb27d73 817 .init_time = s3c24xx_timer_init,
c1ba544f 818 .restart = s3c244x_restart,
c394f177 819MACHINE_END
Linux 6.x block layer and io_uring tree(s)