mach-rx1950.c revision e636602ac2613da8c1777cb42443223994be4107 
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
55#include <plat/clock.h>
56#include <plat/cpu.h>
57#include <plat/devs.h>
58#include <plat/pm.h>
59#include <plat/regs-serial.h>
60
61#include "common.h"
62#include "h1940.h"
63
64#define LCD_PWM_PERIOD 192960
65#define LCD_PWM_DUTY 127353
66
67static struct map_desc rx1950_iodesc[] __initdata = {
68};
69
70static struct s3c2410_uartcfg rx1950_uartcfgs[] __initdata = {
71	[0] = {
72	       .hwport = 0,
73	       .flags = 0,
74	       .ucon = 0x3c5,
75	       .ulcon = 0x03,
76	       .ufcon = 0x51,
77		.clk_sel = S3C2410_UCON_CLKSEL3,
78	},
79	[1] = {
80	       .hwport = 1,
81	       .flags = 0,
82	       .ucon = 0x3c5,
83	       .ulcon = 0x03,
84	       .ufcon = 0x51,
85		.clk_sel = S3C2410_UCON_CLKSEL3,
86	},
87	/* IR port */
88	[2] = {
89	       .hwport = 2,
90	       .flags = 0,
91	       .ucon = 0x3c5,
92	       .ulcon = 0x43,
93	       .ufcon = 0xf1,
94		.clk_sel = S3C2410_UCON_CLKSEL3,
95	},
96};
97
98static struct s3c2410fb_display rx1950_display = {
99	.type = S3C2410_LCDCON1_TFT,
100	.width = 240,
101	.height = 320,
102	.xres = 240,
103	.yres = 320,
104	.bpp = 16,
105
106	.pixclock = 260000,
107	.left_margin = 10,
108	.right_margin = 20,
109	.hsync_len = 10,
110	.upper_margin = 2,
111	.lower_margin = 2,
112	.vsync_len = 2,
113
114	.lcdcon5 = S3C2410_LCDCON5_FRM565 |
115			   S3C2410_LCDCON5_INVVCLK |
116			   S3C2410_LCDCON5_INVVLINE |
117			   S3C2410_LCDCON5_INVVFRAME |
118			   S3C2410_LCDCON5_HWSWP |
119			   (0x02 << 13) |
120			   (0x02 << 15),
121
122};
123
124static int power_supply_init(struct device *dev)
125{
126	return gpio_request(S3C2410_GPF(2), "cable plugged");
127}
128
129static int rx1950_is_ac_online(void)
130{
131	return !gpio_get_value(S3C2410_GPF(2));
132}
133
134static void power_supply_exit(struct device *dev)
135{
136	gpio_free(S3C2410_GPF(2));
137}
138
139static char *rx1950_supplicants[] = {
140	"main-battery"
141};
142
143static struct pda_power_pdata power_supply_info = {
144	.init			= power_supply_init,
145	.is_ac_online		= rx1950_is_ac_online,
146	.exit			= power_supply_exit,
147	.supplied_to		= rx1950_supplicants,
148	.num_supplicants	= ARRAY_SIZE(rx1950_supplicants),
149};
150
151static struct resource power_supply_resources[] = {
152	[0] = DEFINE_RES_NAMED(IRQ_EINT2, 1, "ac", IORESOURCE_IRQ \
153			| IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE),
154};
155
156static struct platform_device power_supply = {
157	.name			= "pda-power",
158	.id			= -1,
159	.dev			= {
160					.platform_data =
161						&power_supply_info,
162	},
163	.resource		= power_supply_resources,
164	.num_resources		= ARRAY_SIZE(power_supply_resources),
165};
166
167static const struct s3c_adc_bat_thresh bat_lut_noac[] = {
168	{ .volt = 4100, .cur = 156, .level = 100},
169	{ .volt = 4050, .cur = 156, .level = 95},
170	{ .volt = 4025, .cur = 141, .level = 90},
171	{ .volt = 3995, .cur = 144, .level = 85},
172	{ .volt = 3957, .cur = 162, .level = 80},
173	{ .volt = 3931, .cur = 147, .level = 75},
174	{ .volt = 3902, .cur = 147, .level = 70},
175	{ .volt = 3863, .cur = 153, .level = 65},
176	{ .volt = 3838, .cur = 150, .level = 60},
177	{ .volt = 3800, .cur = 153, .level = 55},
178	{ .volt = 3765, .cur = 153, .level = 50},
179	{ .volt = 3748, .cur = 172, .level = 45},
180	{ .volt = 3740, .cur = 153, .level = 40},
181	{ .volt = 3714, .cur = 175, .level = 35},
182	{ .volt = 3710, .cur = 156, .level = 30},
183	{ .volt = 3963, .cur = 156, .level = 25},
184	{ .volt = 3672, .cur = 178, .level = 20},
185	{ .volt = 3651, .cur = 178, .level = 15},
186	{ .volt = 3629, .cur = 178, .level = 10},
187	{ .volt = 3612, .cur = 162, .level = 5},
188	{ .volt = 3605, .cur = 162, .level = 0},
189};
190
191static const struct s3c_adc_bat_thresh bat_lut_acin[] = {
192	{ .volt = 4200, .cur = 0, .level = 100},
193	{ .volt = 4190, .cur = 0, .level = 99},
194	{ .volt = 4178, .cur = 0, .level = 95},
195	{ .volt = 4110, .cur = 0, .level = 70},
196	{ .volt = 4076, .cur = 0, .level = 65},
197	{ .volt = 4046, .cur = 0, .level = 60},
198	{ .volt = 4021, .cur = 0, .level = 55},
199	{ .volt = 3999, .cur = 0, .level = 50},
200	{ .volt = 3982, .cur = 0, .level = 45},
201	{ .volt = 3965, .cur = 0, .level = 40},
202	{ .volt = 3957, .cur = 0, .level = 35},
203	{ .volt = 3948, .cur = 0, .level = 30},
204	{ .volt = 3936, .cur = 0, .level = 25},
205	{ .volt = 3927, .cur = 0, .level = 20},
206	{ .volt = 3906, .cur = 0, .level = 15},
207	{ .volt = 3880, .cur = 0, .level = 10},
208	{ .volt = 3829, .cur = 0, .level = 5},
209	{ .volt = 3820, .cur = 0, .level = 0},
210};
211
212static int rx1950_bat_init(void)
213{
214	int ret;
215
216	ret = gpio_request(S3C2410_GPJ(2), "rx1950-charger-enable-1");
217	if (ret)
218		goto err_gpio1;
219	ret = gpio_request(S3C2410_GPJ(3), "rx1950-charger-enable-2");
220	if (ret)
221		goto err_gpio2;
222
223	return 0;
224
225err_gpio2:
226	gpio_free(S3C2410_GPJ(2));
227err_gpio1:
228	return ret;
229}
230
231static void rx1950_bat_exit(void)
232{
233	gpio_free(S3C2410_GPJ(2));
234	gpio_free(S3C2410_GPJ(3));
235}
236
237static void rx1950_enable_charger(void)
238{
239	gpio_direction_output(S3C2410_GPJ(2), 1);
240	gpio_direction_output(S3C2410_GPJ(3), 1);
241}
242
243static void rx1950_disable_charger(void)
244{
245	gpio_direction_output(S3C2410_GPJ(2), 0);
246	gpio_direction_output(S3C2410_GPJ(3), 0);
247}
248
249static DEFINE_SPINLOCK(rx1950_blink_spin);
250
251static int rx1950_led_blink_set(unsigned gpio, int state,
252	unsigned long *delay_on, unsigned long *delay_off)
253{
254	int blink_gpio, check_gpio;
255
256	switch (gpio) {
257	case S3C2410_GPA(6):
258		blink_gpio = S3C2410_GPA(4);
259		check_gpio = S3C2410_GPA(3);
260		break;
261	case S3C2410_GPA(7):
262		blink_gpio = S3C2410_GPA(3);
263		check_gpio = S3C2410_GPA(4);
264		break;
265	default:
266		return -EINVAL;
267		break;
268	}
269
270	if (delay_on && delay_off && !*delay_on && !*delay_off)
271		*delay_on = *delay_off = 500;
272
273	spin_lock(&rx1950_blink_spin);
274
275	switch (state) {
276	case GPIO_LED_NO_BLINK_LOW:
277	case GPIO_LED_NO_BLINK_HIGH:
278		if (!gpio_get_value(check_gpio))
279			gpio_set_value(S3C2410_GPJ(6), 0);
280		gpio_set_value(blink_gpio, 0);
281		gpio_set_value(gpio, state);
282		break;
283	case GPIO_LED_BLINK:
284		gpio_set_value(gpio, 0);
285		gpio_set_value(S3C2410_GPJ(6), 1);
286		gpio_set_value(blink_gpio, 1);
287		break;
288	}
289
290	spin_unlock(&rx1950_blink_spin);
291
292	return 0;
293}
294
295static struct gpio_led rx1950_leds_desc[] = {
296	{
297		.name			= "Green",
298		.default_trigger	= "main-battery-full",
299		.gpio			= S3C2410_GPA(6),
300		.retain_state_suspended	= 1,
301	},
302	{
303		.name			= "Red",
304		.default_trigger
305			= "main-battery-charging-blink-full-solid",
306		.gpio			= S3C2410_GPA(7),
307		.retain_state_suspended	= 1,
308	},
309	{
310		.name			= "Blue",
311		.default_trigger	= "rx1950-acx-mem",
312		.gpio			= S3C2410_GPA(11),
313		.retain_state_suspended	= 1,
314	},
315};
316
317static struct gpio_led_platform_data rx1950_leds_pdata = {
318	.num_leds	= ARRAY_SIZE(rx1950_leds_desc),
319	.leds		= rx1950_leds_desc,
320	.gpio_blink_set	= rx1950_led_blink_set,
321};
322
323static struct platform_device rx1950_leds = {
324	.name	= "leds-gpio",
325	.id		= -1,
326	.dev	= {
327				.platform_data = &rx1950_leds_pdata,
328	},
329};
330
331static struct s3c_adc_bat_pdata rx1950_bat_cfg = {
332	.init = rx1950_bat_init,
333	.exit = rx1950_bat_exit,
334	.enable_charger = rx1950_enable_charger,
335	.disable_charger = rx1950_disable_charger,
336	.gpio_charge_finished = S3C2410_GPF(3),
337	.lut_noac = bat_lut_noac,
338	.lut_noac_cnt = ARRAY_SIZE(bat_lut_noac),
339	.lut_acin = bat_lut_acin,
340	.lut_acin_cnt = ARRAY_SIZE(bat_lut_acin),
341	.volt_channel = 0,
342	.current_channel = 1,
343	.volt_mult = 4235,
344	.current_mult = 2900,
345	.internal_impedance = 200,
346};
347
348static struct platform_device rx1950_battery = {
349	.name             = "s3c-adc-battery",
350	.id               = -1,
351	.dev = {
352		.parent = &s3c_device_adc.dev,
353		.platform_data = &rx1950_bat_cfg,
354	},
355};
356
357static struct s3c2410fb_mach_info rx1950_lcd_cfg = {
358	.displays = &rx1950_display,
359	.num_displays = 1,
360	.default_display = 0,
361
362	.lpcsel = 0x02,
363	.gpccon = 0xaa9556a9,
364	.gpccon_mask = 0xffc003fc,
365	.gpcup = 0x0000ffff,
366	.gpcup_mask = 0xffffffff,
367
368	.gpdcon = 0xaa90aaa1,
369	.gpdcon_mask = 0xffc0fff0,
370	.gpdup = 0x0000fcfd,
371	.gpdup_mask = 0xffffffff,
372
373};
374
375static struct pwm_device *lcd_pwm;
376
377static void rx1950_lcd_power(int enable)
378{
379	int i;
380	static int enabled;
381	if (enabled == enable)
382		return;
383	if (!enable) {
384
385		/* GPC11-GPC15->OUTPUT */
386		for (i = 11; i < 16; i++)
387			gpio_direction_output(S3C2410_GPC(i), 1);
388
389		/* Wait a bit here... */
390		mdelay(100);
391
392		/* GPD2-GPD7->OUTPUT */
393		/* GPD11-GPD15->OUTPUT */
394		/* GPD2-GPD7->1, GPD11-GPD15->1 */
395		for (i = 2; i < 8; i++)
396			gpio_direction_output(S3C2410_GPD(i), 1);
397		for (i = 11; i < 16; i++)
398			gpio_direction_output(S3C2410_GPD(i), 1);
399
400		/* Wait a bit here...*/
401		mdelay(100);
402
403		/* GPB0->OUTPUT, GPB0->0 */
404		gpio_direction_output(S3C2410_GPB(0), 0);
405
406		/* GPC1-GPC4->OUTPUT, GPC1-4->0 */
407		for (i = 1; i < 5; i++)
408			gpio_direction_output(S3C2410_GPC(i), 0);
409
410		/* GPC15-GPC11->0 */
411		for (i = 11; i < 16; i++)
412			gpio_direction_output(S3C2410_GPC(i), 0);
413
414		/* GPD15-GPD11->0, GPD2->GPD7->0 */
415		for (i = 11; i < 16; i++)
416			gpio_direction_output(S3C2410_GPD(i), 0);
417
418		for (i = 2; i < 8; i++)
419			gpio_direction_output(S3C2410_GPD(i), 0);
420
421		/* GPC6->0, GPC7->0, GPC5->0 */
422		gpio_direction_output(S3C2410_GPC(6), 0);
423		gpio_direction_output(S3C2410_GPC(7), 0);
424		gpio_direction_output(S3C2410_GPC(5), 0);
425
426		/* GPB1->OUTPUT, GPB1->0 */
427		gpio_direction_output(S3C2410_GPB(1), 0);
428		pwm_config(lcd_pwm, 0, LCD_PWM_PERIOD);
429		pwm_disable(lcd_pwm);
430
431		/* GPC0->0, GPC10->0 */
432		gpio_direction_output(S3C2410_GPC(0), 0);
433		gpio_direction_output(S3C2410_GPC(10), 0);
434	} else {
435		pwm_config(lcd_pwm, LCD_PWM_DUTY, LCD_PWM_PERIOD);
436		pwm_enable(lcd_pwm);
437
438		gpio_direction_output(S3C2410_GPC(0), 1);
439		gpio_direction_output(S3C2410_GPC(5), 1);
440
441		s3c_gpio_cfgpin(S3C2410_GPB(1), S3C2410_GPB1_TOUT1);
442		gpio_direction_output(S3C2410_GPC(7), 1);
443
444		for (i = 1; i < 5; i++)
445			s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
446
447		for (i = 11; i < 16; i++)
448			s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
449
450		for (i = 2; i < 8; i++)
451			s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
452
453		for (i = 11; i < 16; i++)
454			s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
455
456		gpio_direction_output(S3C2410_GPC(10), 1);
457		gpio_direction_output(S3C2410_GPC(6), 1);
458	}
459	enabled = enable;
460}
461
462static void rx1950_bl_power(int enable)
463{
464	static int enabled;
465	if (enabled == enable)
466		return;
467	if (!enable) {
468			gpio_direction_output(S3C2410_GPB(0), 0);
469	} else {
470			/* LED driver need a "push" to power on */
471			gpio_direction_output(S3C2410_GPB(0), 1);
472			/* Warm up backlight for one period of PWM.
473			 * Without this trick its almost impossible to
474			 * enable backlight with low brightness value
475			 */
476			ndelay(48000);
477			s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
478	}
479	enabled = enable;
480}
481
482static int rx1950_backlight_init(struct device *dev)
483{
484	WARN_ON(gpio_request(S3C2410_GPB(0), "Backlight"));
485	lcd_pwm = pwm_request(1, "RX1950 LCD");
486	if (IS_ERR(lcd_pwm)) {
487		dev_err(dev, "Unable to request PWM for LCD power!\n");
488		return PTR_ERR(lcd_pwm);
489	}
490
491	rx1950_lcd_power(1);
492	rx1950_bl_power(1);
493
494	return 0;
495}
496
497static void rx1950_backlight_exit(struct device *dev)
498{
499	rx1950_bl_power(0);
500	rx1950_lcd_power(0);
501
502	pwm_free(lcd_pwm);
503	gpio_free(S3C2410_GPB(0));
504}
505
506
507static int rx1950_backlight_notify(struct device *dev, int brightness)
508{
509	if (!brightness) {
510		rx1950_bl_power(0);
511		rx1950_lcd_power(0);
512	} else {
513		rx1950_lcd_power(1);
514		rx1950_bl_power(1);
515	}
516	return brightness;
517}
518
519static struct platform_pwm_backlight_data rx1950_backlight_data = {
520	.pwm_id = 0,
521	.max_brightness = 24,
522	.dft_brightness = 4,
523	.pwm_period_ns = 48000,
524	.init = rx1950_backlight_init,
525	.notify = rx1950_backlight_notify,
526	.exit = rx1950_backlight_exit,
527};
528
529static struct platform_device rx1950_backlight = {
530	.name = "pwm-backlight",
531	.dev = {
532		.parent = &s3c_device_timer[0].dev,
533		.platform_data = &rx1950_backlight_data,
534	},
535};
536
537static void rx1950_set_mmc_power(unsigned char power_mode, unsigned short vdd)
538{
539	switch (power_mode) {
540	case MMC_POWER_OFF:
541		gpio_direction_output(S3C2410_GPJ(1), 0);
542		break;
543	case MMC_POWER_UP:
544	case MMC_POWER_ON:
545		gpio_direction_output(S3C2410_GPJ(1), 1);
546		break;
547	default:
548		break;
549	}
550}
551
552static struct s3c24xx_mci_pdata rx1950_mmc_cfg __initdata = {
553	.gpio_detect = S3C2410_GPF(5),
554	.gpio_wprotect = S3C2410_GPH(8),
555	.set_power = rx1950_set_mmc_power,
556	.ocr_avail = MMC_VDD_32_33,
557};
558
559static struct mtd_partition rx1950_nand_part[] = {
560	[0] = {
561			.name = "Boot0",
562			.offset = 0,
563			.size = 0x4000,
564			.mask_flags = MTD_WRITEABLE,
565	},
566	[1] = {
567			.name = "Boot1",
568			.offset = MTDPART_OFS_APPEND,
569			.size = 0x40000,
570			.mask_flags = MTD_WRITEABLE,
571	},
572	[2] = {
573			.name = "Kernel",
574			.offset = MTDPART_OFS_APPEND,
575			.size = 0x300000,
576			.mask_flags = 0,
577	},
578	[3] = {
579			.name = "Filesystem",
580			.offset = MTDPART_OFS_APPEND,
581			.size = MTDPART_SIZ_FULL,
582			.mask_flags = 0,
583	},
584};
585
586static struct s3c2410_nand_set rx1950_nand_sets[] = {
587	[0] = {
588			.name = "Internal",
589			.nr_chips = 1,
590			.nr_partitions = ARRAY_SIZE(rx1950_nand_part),
591			.partitions = rx1950_nand_part,
592	},
593};
594
595static struct s3c2410_platform_nand rx1950_nand_info = {
596	.tacls = 25,
597	.twrph0 = 50,
598	.twrph1 = 15,
599	.nr_sets = ARRAY_SIZE(rx1950_nand_sets),
600	.sets = rx1950_nand_sets,
601};
602
603static struct s3c2410_udc_mach_info rx1950_udc_cfg __initdata = {
604	.vbus_pin = S3C2410_GPG(5),
605	.vbus_pin_inverted = 1,
606	.pullup_pin = S3C2410_GPJ(5),
607};
608
609static struct s3c2410_ts_mach_info rx1950_ts_cfg __initdata = {
610	.delay = 10000,
611	.presc = 49,
612	.oversampling_shift = 3,
613};
614
615static struct gpio_keys_button rx1950_gpio_keys_table[] = {
616	{
617		.code		= KEY_POWER,
618		.gpio		= S3C2410_GPF(0),
619		.active_low	= 1,
620		.desc		= "Power button",
621		.wakeup		= 1,
622	},
623	{
624		.code		= KEY_F5,
625		.gpio		= S3C2410_GPF(7),
626		.active_low	= 1,
627		.desc		= "Record button",
628	},
629	{
630		.code		= KEY_F1,
631		.gpio		= S3C2410_GPG(0),
632		.active_low	= 1,
633		.desc		= "Calendar button",
634	},
635	{
636		.code		= KEY_F2,
637		.gpio		= S3C2410_GPG(2),
638		.active_low	= 1,
639		.desc		= "Contacts button",
640	},
641	{
642		.code		= KEY_F3,
643		.gpio		= S3C2410_GPG(3),
644		.active_low	= 1,
645		.desc		= "Mail button",
646	},
647	{
648		.code		= KEY_F4,
649		.gpio		= S3C2410_GPG(7),
650		.active_low	= 1,
651		.desc		= "WLAN button",
652	},
653	{
654		.code		= KEY_LEFT,
655		.gpio		= S3C2410_GPG(10),
656		.active_low	= 1,
657		.desc		= "Left button",
658	},
659	{
660		.code		= KEY_RIGHT,
661		.gpio		= S3C2410_GPG(11),
662		.active_low	= 1,
663		.desc		= "Right button",
664	},
665	{
666		.code		= KEY_UP,
667		.gpio		= S3C2410_GPG(4),
668		.active_low	= 1,
669		.desc		= "Up button",
670	},
671	{
672		.code		= KEY_DOWN,
673		.gpio		= S3C2410_GPG(6),
674		.active_low	= 1,
675		.desc		= "Down button",
676	},
677	{
678		.code		= KEY_ENTER,
679		.gpio		= S3C2410_GPG(9),
680		.active_low	= 1,
681		.desc		= "Ok button"
682	},
683};
684
685static struct gpio_keys_platform_data rx1950_gpio_keys_data = {
686	.buttons = rx1950_gpio_keys_table,
687	.nbuttons = ARRAY_SIZE(rx1950_gpio_keys_table),
688};
689
690static struct platform_device rx1950_device_gpiokeys = {
691	.name = "gpio-keys",
692	.dev.platform_data = &rx1950_gpio_keys_data,
693};
694
695static struct uda1380_platform_data uda1380_info = {
696	.gpio_power	= S3C2410_GPJ(0),
697	.gpio_reset	= S3C2410_GPD(0),
698	.dac_clk	= UDA1380_DAC_CLK_SYSCLK,
699};
700
701static struct i2c_board_info rx1950_i2c_devices[] = {
702	{
703		I2C_BOARD_INFO("uda1380", 0x1a),
704		.platform_data = &uda1380_info,
705	},
706};
707
708static struct platform_device *rx1950_devices[] __initdata = {
709	&s3c_device_lcd,
710	&s3c_device_wdt,
711	&s3c_device_i2c0,
712	&s3c_device_iis,
713	&s3c_device_usbgadget,
714	&s3c_device_rtc,
715	&s3c_device_nand,
716	&s3c_device_sdi,
717	&s3c_device_adc,
718	&s3c_device_ts,
719	&s3c_device_timer[0],
720	&s3c_device_timer[1],
721	&rx1950_backlight,
722	&rx1950_device_gpiokeys,
723	&power_supply,
724	&rx1950_battery,
725	&rx1950_leds,
726};
727
728static struct clk *rx1950_clocks[] __initdata = {
729	&s3c24xx_clkout0,
730	&s3c24xx_clkout1,
731};
732
733static void __init rx1950_map_io(void)
734{
735	s3c24xx_clkout0.parent  = &clk_h;
736	s3c24xx_clkout1.parent  = &clk_f;
737
738	s3c24xx_register_clocks(rx1950_clocks, ARRAY_SIZE(rx1950_clocks));
739
740	s3c24xx_init_io(rx1950_iodesc, ARRAY_SIZE(rx1950_iodesc));
741	s3c24xx_init_clocks(16934000);
742	s3c24xx_init_uarts(rx1950_uartcfgs, ARRAY_SIZE(rx1950_uartcfgs));
743
744	/* setup PM */
745
746#ifdef CONFIG_PM_H1940
747	memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 8);
748#endif
749
750	s3c_pm_init();
751}
752
753static void __init rx1950_init_machine(void)
754{
755	int i;
756
757	s3c24xx_fb_set_platdata(&rx1950_lcd_cfg);
758	s3c24xx_udc_set_platdata(&rx1950_udc_cfg);
759	s3c24xx_ts_set_platdata(&rx1950_ts_cfg);
760	s3c24xx_mci_set_platdata(&rx1950_mmc_cfg);
761	s3c_i2c0_set_platdata(NULL);
762	s3c_nand_set_platdata(&rx1950_nand_info);
763
764	/* Turn off suspend on both USB ports, and switch the
765	 * selectable USB port to USB device mode. */
766	s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
767						S3C2410_MISCCR_USBSUSPND0 |
768						S3C2410_MISCCR_USBSUSPND1, 0x0);
769
770	/* mmc power is disabled by default */
771	WARN_ON(gpio_request(S3C2410_GPJ(1), "MMC power"));
772	gpio_direction_output(S3C2410_GPJ(1), 0);
773
774	for (i = 0; i < 8; i++)
775		WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
776
777	for (i = 10; i < 16; i++)
778		WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
779
780	for (i = 2; i < 8; i++)
781		WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
782
783	for (i = 11; i < 16; i++)
784		WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
785
786	WARN_ON(gpio_request(S3C2410_GPB(1), "LCD power"));
787
788	WARN_ON(gpio_request(S3C2410_GPA(3), "Red blink"));
789	WARN_ON(gpio_request(S3C2410_GPA(4), "Green blink"));
790	WARN_ON(gpio_request(S3C2410_GPJ(6), "LED blink"));
791	gpio_direction_output(S3C2410_GPA(3), 0);
792	gpio_direction_output(S3C2410_GPA(4), 0);
793	gpio_direction_output(S3C2410_GPJ(6), 0);
794
795	platform_add_devices(rx1950_devices, ARRAY_SIZE(rx1950_devices));
796
797	i2c_register_board_info(0, rx1950_i2c_devices,
798		ARRAY_SIZE(rx1950_i2c_devices));
799}
800
801/* H1940 and RX3715 need to reserve this for suspend */
802static void __init rx1950_reserve(void)
803{
804	memblock_reserve(0x30003000, 0x1000);
805	memblock_reserve(0x30081000, 0x1000);
806}
807
808MACHINE_START(RX1950, "HP iPAQ RX1950")
809    /* Maintainers: Vasily Khoruzhick */
810	.atag_offset = 0x100,
811	.map_io = rx1950_map_io,
812	.reserve	= rx1950_reserve,
813	.init_irq = s3c24xx_init_irq,
814	.init_machine = rx1950_init_machine,
815	.init_time	= s3c24xx_timer_init,
816	.restart	= s3c244x_restart,
817MACHINE_END
818