mach-rx1950.c revision a28d618e2e424483afd47de6373665cd78352b25 
1/*
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>
17#include <linux/memblock.h>
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>
24#include <linux/serial_s3c.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-types.h>
41#include <asm/mach/arch.h>
42#include <asm/mach/map.h>
43
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>
53#include <mach/regs-gpio.h>
54#include <mach/regs-lcd.h>
55#include <mach/gpio-samsung.h>
56
57#include <plat/cpu.h>
58#include <plat/devs.h>
59#include <plat/pm.h>
60#include <plat/samsung-time.h>
61#include <plat/gpio-cfg.h>
62
63#include "common.h"
64#include "h1940.h"
65
66#define LCD_PWM_PERIOD 192960
67#define LCD_PWM_DUTY 127353
68
69static struct map_desc rx1950_iodesc[] __initdata = {
70};
71
72static 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
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
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[] = {
154	[0] = DEFINE_RES_NAMED(IRQ_EINT2, 1, "ac", IORESOURCE_IRQ \
155			| IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE),
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
214static 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
227err_gpio2:
228	gpio_free(S3C2410_GPJ(2));
229err_gpio1:
230	return ret;
231}
232
233static void rx1950_bat_exit(void)
234{
235	gpio_free(S3C2410_GPJ(2));
236	gpio_free(S3C2410_GPJ(3));
237}
238
239static void rx1950_enable_charger(void)
240{
241	gpio_direction_output(S3C2410_GPJ(2), 1);
242	gpio_direction_output(S3C2410_GPJ(3), 1);
243}
244
245static void rx1950_disable_charger(void)
246{
247	gpio_direction_output(S3C2410_GPJ(2), 0);
248	gpio_direction_output(S3C2410_GPJ(3), 0);
249}
250
251static DEFINE_SPINLOCK(rx1950_blink_spin);
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
297static 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
319static 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
325static struct platform_device rx1950_leds = {
326	.name	= "leds-gpio",
327	.id		= -1,
328	.dev	= {
329				.platform_data = &rx1950_leds_pdata,
330	},
331};
332
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
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
379static 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
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	.enable_gpio = -1,
527	.init = rx1950_backlight_init,
528	.notify = rx1950_backlight_notify,
529	.exit = rx1950_backlight_exit,
530};
531
532static struct platform_device rx1950_backlight = {
533	.name = "pwm-backlight",
534	.dev = {
535		.parent = &samsung_device_pwm.dev,
536		.platform_data = &rx1950_backlight_data,
537	},
538};
539
540static void rx1950_set_mmc_power(unsigned char power_mode, unsigned short vdd)
541{
542	switch (power_mode) {
543	case MMC_POWER_OFF:
544		gpio_direction_output(S3C2410_GPJ(1), 0);
545		break;
546	case MMC_POWER_UP:
547	case MMC_POWER_ON:
548		gpio_direction_output(S3C2410_GPJ(1), 1);
549		break;
550	default:
551		break;
552	}
553}
554
555static struct s3c24xx_mci_pdata rx1950_mmc_cfg __initdata = {
556	.gpio_detect = S3C2410_GPF(5),
557	.gpio_wprotect = S3C2410_GPH(8),
558	.set_power = rx1950_set_mmc_power,
559	.ocr_avail = MMC_VDD_32_33,
560};
561
562static struct mtd_partition rx1950_nand_part[] = {
563	[0] = {
564			.name = "Boot0",
565			.offset = 0,
566			.size = 0x4000,
567			.mask_flags = MTD_WRITEABLE,
568	},
569	[1] = {
570			.name = "Boot1",
571			.offset = MTDPART_OFS_APPEND,
572			.size = 0x40000,
573			.mask_flags = MTD_WRITEABLE,
574	},
575	[2] = {
576			.name = "Kernel",
577			.offset = MTDPART_OFS_APPEND,
578			.size = 0x300000,
579			.mask_flags = 0,
580	},
581	[3] = {
582			.name = "Filesystem",
583			.offset = MTDPART_OFS_APPEND,
584			.size = MTDPART_SIZ_FULL,
585			.mask_flags = 0,
586	},
587};
588
589static struct s3c2410_nand_set rx1950_nand_sets[] = {
590	[0] = {
591			.name = "Internal",
592			.nr_chips = 1,
593			.nr_partitions = ARRAY_SIZE(rx1950_nand_part),
594			.partitions = rx1950_nand_part,
595	},
596};
597
598static struct s3c2410_platform_nand rx1950_nand_info = {
599	.tacls = 25,
600	.twrph0 = 50,
601	.twrph1 = 15,
602	.nr_sets = ARRAY_SIZE(rx1950_nand_sets),
603	.sets = rx1950_nand_sets,
604};
605
606static struct s3c2410_udc_mach_info rx1950_udc_cfg __initdata = {
607	.vbus_pin = S3C2410_GPG(5),
608	.vbus_pin_inverted = 1,
609	.pullup_pin = S3C2410_GPJ(5),
610};
611
612static struct s3c2410_ts_mach_info rx1950_ts_cfg __initdata = {
613	.delay = 10000,
614	.presc = 49,
615	.oversampling_shift = 3,
616};
617
618static struct gpio_keys_button rx1950_gpio_keys_table[] = {
619	{
620		.code		= KEY_POWER,
621		.gpio		= S3C2410_GPF(0),
622		.active_low	= 1,
623		.desc		= "Power button",
624		.wakeup		= 1,
625	},
626	{
627		.code		= KEY_F5,
628		.gpio		= S3C2410_GPF(7),
629		.active_low	= 1,
630		.desc		= "Record button",
631	},
632	{
633		.code		= KEY_F1,
634		.gpio		= S3C2410_GPG(0),
635		.active_low	= 1,
636		.desc		= "Calendar button",
637	},
638	{
639		.code		= KEY_F2,
640		.gpio		= S3C2410_GPG(2),
641		.active_low	= 1,
642		.desc		= "Contacts button",
643	},
644	{
645		.code		= KEY_F3,
646		.gpio		= S3C2410_GPG(3),
647		.active_low	= 1,
648		.desc		= "Mail button",
649	},
650	{
651		.code		= KEY_F4,
652		.gpio		= S3C2410_GPG(7),
653		.active_low	= 1,
654		.desc		= "WLAN button",
655	},
656	{
657		.code		= KEY_LEFT,
658		.gpio		= S3C2410_GPG(10),
659		.active_low	= 1,
660		.desc		= "Left button",
661	},
662	{
663		.code		= KEY_RIGHT,
664		.gpio		= S3C2410_GPG(11),
665		.active_low	= 1,
666		.desc		= "Right button",
667	},
668	{
669		.code		= KEY_UP,
670		.gpio		= S3C2410_GPG(4),
671		.active_low	= 1,
672		.desc		= "Up button",
673	},
674	{
675		.code		= KEY_DOWN,
676		.gpio		= S3C2410_GPG(6),
677		.active_low	= 1,
678		.desc		= "Down button",
679	},
680	{
681		.code		= KEY_ENTER,
682		.gpio		= S3C2410_GPG(9),
683		.active_low	= 1,
684		.desc		= "Ok button"
685	},
686};
687
688static struct gpio_keys_platform_data rx1950_gpio_keys_data = {
689	.buttons = rx1950_gpio_keys_table,
690	.nbuttons = ARRAY_SIZE(rx1950_gpio_keys_table),
691};
692
693static struct platform_device rx1950_device_gpiokeys = {
694	.name = "gpio-keys",
695	.dev.platform_data = &rx1950_gpio_keys_data,
696};
697
698static struct uda1380_platform_data uda1380_info = {
699	.gpio_power	= S3C2410_GPJ(0),
700	.gpio_reset	= S3C2410_GPD(0),
701	.dac_clk	= UDA1380_DAC_CLK_SYSCLK,
702};
703
704static struct i2c_board_info rx1950_i2c_devices[] = {
705	{
706		I2C_BOARD_INFO("uda1380", 0x1a),
707		.platform_data = &uda1380_info,
708	},
709};
710
711static struct platform_device *rx1950_devices[] __initdata = {
712	&s3c2410_device_dclk,
713	&s3c_device_lcd,
714	&s3c_device_wdt,
715	&s3c_device_i2c0,
716	&s3c_device_iis,
717	&s3c_device_usbgadget,
718	&s3c_device_rtc,
719	&s3c_device_nand,
720	&s3c_device_sdi,
721	&s3c_device_adc,
722	&s3c_device_ts,
723	&samsung_device_pwm,
724	&rx1950_backlight,
725	&rx1950_device_gpiokeys,
726	&power_supply,
727	&rx1950_battery,
728	&rx1950_leds,
729};
730
731#ifdef CONFIG_SAMSUNG_CLOCK
732static struct clk *rx1950_clocks[] __initdata = {
733	&s3c24xx_clkout0,
734	&s3c24xx_clkout1,
735};
736#endif
737
738static void __init rx1950_map_io(void)
739{
740#ifdef CONFIG_SAMSUNG_CLOCK
741	s3c24xx_clkout0.parent  = &clk_h;
742	s3c24xx_clkout1.parent  = &clk_f;
743
744	s3c24xx_register_clocks(rx1950_clocks, ARRAY_SIZE(rx1950_clocks));
745#endif
746
747	s3c24xx_init_io(rx1950_iodesc, ARRAY_SIZE(rx1950_iodesc));
748	s3c24xx_init_uarts(rx1950_uartcfgs, ARRAY_SIZE(rx1950_uartcfgs));
749	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
750
751	/* setup PM */
752
753#ifdef CONFIG_PM_H1940
754	memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 8);
755#endif
756
757	s3c_pm_init();
758}
759
760static void __init rx1950_init_time(void)
761{
762	s3c2442_init_clocks(16934000);
763	samsung_timer_init();
764}
765
766static void __init rx1950_init_machine(void)
767{
768	int i;
769
770	s3c24xx_fb_set_platdata(&rx1950_lcd_cfg);
771	s3c24xx_udc_set_platdata(&rx1950_udc_cfg);
772	s3c24xx_ts_set_platdata(&rx1950_ts_cfg);
773	s3c24xx_mci_set_platdata(&rx1950_mmc_cfg);
774	s3c_i2c0_set_platdata(NULL);
775	s3c_nand_set_platdata(&rx1950_nand_info);
776
777	/* Turn off suspend on both USB ports, and switch the
778	 * selectable USB port to USB device mode. */
779	s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
780						S3C2410_MISCCR_USBSUSPND0 |
781						S3C2410_MISCCR_USBSUSPND1, 0x0);
782
783	/* mmc power is disabled by default */
784	WARN_ON(gpio_request(S3C2410_GPJ(1), "MMC power"));
785	gpio_direction_output(S3C2410_GPJ(1), 0);
786
787	for (i = 0; i < 8; i++)
788		WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
789
790	for (i = 10; i < 16; i++)
791		WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
792
793	for (i = 2; i < 8; i++)
794		WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
795
796	for (i = 11; i < 16; i++)
797		WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
798
799	WARN_ON(gpio_request(S3C2410_GPB(1), "LCD power"));
800
801	WARN_ON(gpio_request(S3C2410_GPA(3), "Red blink"));
802	WARN_ON(gpio_request(S3C2410_GPA(4), "Green blink"));
803	WARN_ON(gpio_request(S3C2410_GPJ(6), "LED blink"));
804	gpio_direction_output(S3C2410_GPA(3), 0);
805	gpio_direction_output(S3C2410_GPA(4), 0);
806	gpio_direction_output(S3C2410_GPJ(6), 0);
807
808	platform_add_devices(rx1950_devices, ARRAY_SIZE(rx1950_devices));
809
810	i2c_register_board_info(0, rx1950_i2c_devices,
811		ARRAY_SIZE(rx1950_i2c_devices));
812}
813
814/* H1940 and RX3715 need to reserve this for suspend */
815static void __init rx1950_reserve(void)
816{
817	memblock_reserve(0x30003000, 0x1000);
818	memblock_reserve(0x30081000, 0x1000);
819}
820
821MACHINE_START(RX1950, "HP iPAQ RX1950")
822    /* Maintainers: Vasily Khoruzhick */
823	.atag_offset = 0x100,
824	.map_io = rx1950_map_io,
825	.reserve	= rx1950_reserve,
826	.init_irq	= s3c2442_init_irq,
827	.init_machine = rx1950_init_machine,
828	.init_time	= rx1950_init_time,
829	.restart	= s3c244x_restart,
830MACHINE_END
831