mach-rx1950.c revision 364374121b78ec599b10dd84648ccceb4d037285 
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/input.h>
25#include <linux/gpio_keys.h>
26#include <linux/device.h>
27#include <linux/pda_power.h>
28#include <linux/pwm_backlight.h>
29#include <linux/pwm.h>
30#include <linux/s3c_adc_battery.h>
31#include <linux/leds.h>
32#include <linux/i2c.h>
33
34#include <linux/mtd/mtd.h>
35#include <linux/mtd/partitions.h>
36
37#include <linux/mmc/host.h>
38
39#include <asm/mach-types.h>
40#include <asm/mach/arch.h>
41#include <asm/mach/map.h>
42
43#include <linux/platform_data/i2c-s3c2410.h>
44#include <linux/platform_data/mmc-s3cmci.h>
45#include <linux/platform_data/mtd-nand-s3c2410.h>
46#include <linux/platform_data/touchscreen-s3c2410.h>
47#include <linux/platform_data/usb-s3c2410_udc.h>
48
49#include <sound/uda1380.h>
50
51#include <mach/fb.h>
52#include <mach/regs-gpio.h>
53#include <mach/regs-lcd.h>
54#include <mach/gpio-samsung.h>
55
56#include <plat/clock.h>
57#include <plat/cpu.h>
58#include <plat/devs.h>
59#include <plat/pm.h>
60#include <plat/regs-serial.h>
61#include <plat/samsung-time.h>
62#include <plat/gpio-cfg.h>
63
64#include "common.h"
65#include "h1940.h"
66
67#define LCD_PWM_PERIOD 192960
68#define LCD_PWM_DUTY 127353
69
70static struct map_desc rx1950_iodesc[] __initdata = {
71};
72
73static struct s3c2410_uartcfg rx1950_uartcfgs[] __initdata = {
74	[0] = {
75	       .hwport = 0,
76	       .flags = 0,
77	       .ucon = 0x3c5,
78	       .ulcon = 0x03,
79	       .ufcon = 0x51,
80		.clk_sel = S3C2410_UCON_CLKSEL3,
81	},
82	[1] = {
83	       .hwport = 1,
84	       .flags = 0,
85	       .ucon = 0x3c5,
86	       .ulcon = 0x03,
87	       .ufcon = 0x51,
88		.clk_sel = S3C2410_UCON_CLKSEL3,
89	},
90	/* IR port */
91	[2] = {
92	       .hwport = 2,
93	       .flags = 0,
94	       .ucon = 0x3c5,
95	       .ulcon = 0x43,
96	       .ufcon = 0xf1,
97		.clk_sel = S3C2410_UCON_CLKSEL3,
98	},
99};
100
101static struct s3c2410fb_display rx1950_display = {
102	.type = S3C2410_LCDCON1_TFT,
103	.width = 240,
104	.height = 320,
105	.xres = 240,
106	.yres = 320,
107	.bpp = 16,
108
109	.pixclock = 260000,
110	.left_margin = 10,
111	.right_margin = 20,
112	.hsync_len = 10,
113	.upper_margin = 2,
114	.lower_margin = 2,
115	.vsync_len = 2,
116
117	.lcdcon5 = S3C2410_LCDCON5_FRM565 |
118			   S3C2410_LCDCON5_INVVCLK |
119			   S3C2410_LCDCON5_INVVLINE |
120			   S3C2410_LCDCON5_INVVFRAME |
121			   S3C2410_LCDCON5_HWSWP |
122			   (0x02 << 13) |
123			   (0x02 << 15),
124
125};
126
127static int power_supply_init(struct device *dev)
128{
129	return gpio_request(S3C2410_GPF(2), "cable plugged");
130}
131
132static int rx1950_is_ac_online(void)
133{
134	return !gpio_get_value(S3C2410_GPF(2));
135}
136
137static void power_supply_exit(struct device *dev)
138{
139	gpio_free(S3C2410_GPF(2));
140}
141
142static char *rx1950_supplicants[] = {
143	"main-battery"
144};
145
146static struct pda_power_pdata power_supply_info = {
147	.init			= power_supply_init,
148	.is_ac_online		= rx1950_is_ac_online,
149	.exit			= power_supply_exit,
150	.supplied_to		= rx1950_supplicants,
151	.num_supplicants	= ARRAY_SIZE(rx1950_supplicants),
152};
153
154static struct resource power_supply_resources[] = {
155	[0] = DEFINE_RES_NAMED(IRQ_EINT2, 1, "ac", IORESOURCE_IRQ \
156			| IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE),
157};
158
159static struct platform_device power_supply = {
160	.name			= "pda-power",
161	.id			= -1,
162	.dev			= {
163					.platform_data =
164						&power_supply_info,
165	},
166	.resource		= power_supply_resources,
167	.num_resources		= ARRAY_SIZE(power_supply_resources),
168};
169
170static const struct s3c_adc_bat_thresh bat_lut_noac[] = {
171	{ .volt = 4100, .cur = 156, .level = 100},
172	{ .volt = 4050, .cur = 156, .level = 95},
173	{ .volt = 4025, .cur = 141, .level = 90},
174	{ .volt = 3995, .cur = 144, .level = 85},
175	{ .volt = 3957, .cur = 162, .level = 80},
176	{ .volt = 3931, .cur = 147, .level = 75},
177	{ .volt = 3902, .cur = 147, .level = 70},
178	{ .volt = 3863, .cur = 153, .level = 65},
179	{ .volt = 3838, .cur = 150, .level = 60},
180	{ .volt = 3800, .cur = 153, .level = 55},
181	{ .volt = 3765, .cur = 153, .level = 50},
182	{ .volt = 3748, .cur = 172, .level = 45},
183	{ .volt = 3740, .cur = 153, .level = 40},
184	{ .volt = 3714, .cur = 175, .level = 35},
185	{ .volt = 3710, .cur = 156, .level = 30},
186	{ .volt = 3963, .cur = 156, .level = 25},
187	{ .volt = 3672, .cur = 178, .level = 20},
188	{ .volt = 3651, .cur = 178, .level = 15},
189	{ .volt = 3629, .cur = 178, .level = 10},
190	{ .volt = 3612, .cur = 162, .level = 5},
191	{ .volt = 3605, .cur = 162, .level = 0},
192};
193
194static const struct s3c_adc_bat_thresh bat_lut_acin[] = {
195	{ .volt = 4200, .cur = 0, .level = 100},
196	{ .volt = 4190, .cur = 0, .level = 99},
197	{ .volt = 4178, .cur = 0, .level = 95},
198	{ .volt = 4110, .cur = 0, .level = 70},
199	{ .volt = 4076, .cur = 0, .level = 65},
200	{ .volt = 4046, .cur = 0, .level = 60},
201	{ .volt = 4021, .cur = 0, .level = 55},
202	{ .volt = 3999, .cur = 0, .level = 50},
203	{ .volt = 3982, .cur = 0, .level = 45},
204	{ .volt = 3965, .cur = 0, .level = 40},
205	{ .volt = 3957, .cur = 0, .level = 35},
206	{ .volt = 3948, .cur = 0, .level = 30},
207	{ .volt = 3936, .cur = 0, .level = 25},
208	{ .volt = 3927, .cur = 0, .level = 20},
209	{ .volt = 3906, .cur = 0, .level = 15},
210	{ .volt = 3880, .cur = 0, .level = 10},
211	{ .volt = 3829, .cur = 0, .level = 5},
212	{ .volt = 3820, .cur = 0, .level = 0},
213};
214
215static int rx1950_bat_init(void)
216{
217	int ret;
218
219	ret = gpio_request(S3C2410_GPJ(2), "rx1950-charger-enable-1");
220	if (ret)
221		goto err_gpio1;
222	ret = gpio_request(S3C2410_GPJ(3), "rx1950-charger-enable-2");
223	if (ret)
224		goto err_gpio2;
225
226	return 0;
227
228err_gpio2:
229	gpio_free(S3C2410_GPJ(2));
230err_gpio1:
231	return ret;
232}
233
234static void rx1950_bat_exit(void)
235{
236	gpio_free(S3C2410_GPJ(2));
237	gpio_free(S3C2410_GPJ(3));
238}
239
240static void rx1950_enable_charger(void)
241{
242	gpio_direction_output(S3C2410_GPJ(2), 1);
243	gpio_direction_output(S3C2410_GPJ(3), 1);
244}
245
246static void rx1950_disable_charger(void)
247{
248	gpio_direction_output(S3C2410_GPJ(2), 0);
249	gpio_direction_output(S3C2410_GPJ(3), 0);
250}
251
252static DEFINE_SPINLOCK(rx1950_blink_spin);
253
254static int rx1950_led_blink_set(unsigned gpio, int state,
255	unsigned long *delay_on, unsigned long *delay_off)
256{
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
298static struct gpio_led rx1950_leds_desc[] = {
299	{
300		.name			= "Green",
301		.default_trigger	= "main-battery-full",
302		.gpio			= S3C2410_GPA(6),
303		.retain_state_suspended	= 1,
304	},
305	{
306		.name			= "Red",
307		.default_trigger
308			= "main-battery-charging-blink-full-solid",
309		.gpio			= S3C2410_GPA(7),
310		.retain_state_suspended	= 1,
311	},
312	{
313		.name			= "Blue",
314		.default_trigger	= "rx1950-acx-mem",
315		.gpio			= S3C2410_GPA(11),
316		.retain_state_suspended	= 1,
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,
323	.gpio_blink_set	= rx1950_led_blink_set,
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
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
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
380static void rx1950_lcd_power(int enable)
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,
527	.enable_gpio = -1,
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 = {
536		.parent = &samsung_device_pwm.dev,
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
607static struct s3c2410_udc_mach_info rx1950_udc_cfg __initdata = {
608	.vbus_pin = S3C2410_GPG(5),
609	.vbus_pin_inverted = 1,
610	.pullup_pin = S3C2410_GPJ(5),
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
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	},
710};
711
712static struct platform_device *rx1950_devices[] __initdata = {
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
731static struct clk *rx1950_clocks[] __initdata = {
732	&s3c24xx_clkout0,
733	&s3c24xx_clkout1,
734};
735
736static void __init rx1950_map_io(void)
737{
738	s3c24xx_clkout0.parent  = &clk_h;
739	s3c24xx_clkout1.parent  = &clk_f;
740
741	s3c24xx_register_clocks(rx1950_clocks, ARRAY_SIZE(rx1950_clocks));
742
743	s3c24xx_init_io(rx1950_iodesc, ARRAY_SIZE(rx1950_iodesc));
744	s3c24xx_init_clocks(16934000);
745	s3c24xx_init_uarts(rx1950_uartcfgs, ARRAY_SIZE(rx1950_uartcfgs));
746	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
747
748	/* setup PM */
749
750#ifdef CONFIG_PM_H1940
751	memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 8);
752#endif
753
754	s3c_pm_init();
755}
756
757static void __init rx1950_init_machine(void)
758{
759	int i;
760
761	s3c24xx_fb_set_platdata(&rx1950_lcd_cfg);
762	s3c24xx_udc_set_platdata(&rx1950_udc_cfg);
763	s3c24xx_ts_set_platdata(&rx1950_ts_cfg);
764	s3c24xx_mci_set_platdata(&rx1950_mmc_cfg);
765	s3c_i2c0_set_platdata(NULL);
766	s3c_nand_set_platdata(&rx1950_nand_info);
767
768	/* Turn off suspend on both USB ports, and switch the
769	 * selectable USB port to USB device mode. */
770	s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
771						S3C2410_MISCCR_USBSUSPND0 |
772						S3C2410_MISCCR_USBSUSPND1, 0x0);
773
774	/* mmc power is disabled by default */
775	WARN_ON(gpio_request(S3C2410_GPJ(1), "MMC power"));
776	gpio_direction_output(S3C2410_GPJ(1), 0);
777
778	for (i = 0; i < 8; i++)
779		WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
780
781	for (i = 10; i < 16; i++)
782		WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
783
784	for (i = 2; i < 8; i++)
785		WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
786
787	for (i = 11; i < 16; i++)
788		WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
789
790	WARN_ON(gpio_request(S3C2410_GPB(1), "LCD power"));
791
792	WARN_ON(gpio_request(S3C2410_GPA(3), "Red blink"));
793	WARN_ON(gpio_request(S3C2410_GPA(4), "Green blink"));
794	WARN_ON(gpio_request(S3C2410_GPJ(6), "LED blink"));
795	gpio_direction_output(S3C2410_GPA(3), 0);
796	gpio_direction_output(S3C2410_GPA(4), 0);
797	gpio_direction_output(S3C2410_GPJ(6), 0);
798
799	platform_add_devices(rx1950_devices, ARRAY_SIZE(rx1950_devices));
800
801	i2c_register_board_info(0, rx1950_i2c_devices,
802		ARRAY_SIZE(rx1950_i2c_devices));
803}
804
805/* H1940 and RX3715 need to reserve this for suspend */
806static void __init rx1950_reserve(void)
807{
808	memblock_reserve(0x30003000, 0x1000);
809	memblock_reserve(0x30081000, 0x1000);
810}
811
812MACHINE_START(RX1950, "HP iPAQ RX1950")
813    /* Maintainers: Vasily Khoruzhick */
814	.atag_offset = 0x100,
815	.map_io = rx1950_map_io,
816	.reserve	= rx1950_reserve,
817	.init_irq	= s3c2442_init_irq,
818	.init_machine = rx1950_init_machine,
819	.init_time	= samsung_timer_init,
820	.restart	= s3c244x_restart,
821MACHINE_END
822