mach-rx1950.c revision 6bb27d7349db51b50c40534710fe164ca0d58902 
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
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	.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
605static 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
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
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	},
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,
725	&power_supply,
726	&rx1950_battery,
727	&rx1950_leds,
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);
763	s3c_i2c0_set_platdata(NULL);
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
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
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
797	platform_add_devices(rx1950_devices, ARRAY_SIZE(rx1950_devices));
798
799	i2c_register_board_info(0, rx1950_i2c_devices,
800		ARRAY_SIZE(rx1950_i2c_devices));
801}
802
803/* H1940 and RX3715 need to reserve this for suspend */
804static void __init rx1950_reserve(void)
805{
806	memblock_reserve(0x30003000, 0x1000);
807	memblock_reserve(0x30081000, 0x1000);
808}
809
810MACHINE_START(RX1950, "HP iPAQ RX1950")
811    /* Maintainers: Vasily Khoruzhick */
812	.atag_offset = 0x100,
813	.map_io = rx1950_map_io,
814	.reserve	= rx1950_reserve,
815	.init_irq = s3c24xx_init_irq,
816	.init_machine = rx1950_init_machine,
817	.init_time	= s3c24xx_timer_init,
818	.restart	= s3c244x_restart,
819MACHINE_END
820