1/*
2 * Copyright (c) 2003-2005 Simtec Electronics
3 *   Ben Dooks <ben@simtec.co.uk>
4 *
5 * http://www.handhelds.org/projects/h1940.html
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/timer.h>
19#include <linux/init.h>
20#include <linux/device.h>
21#include <linux/serial_core.h>
22#include <linux/serial_s3c.h>
23#include <linux/platform_device.h>
24#include <linux/io.h>
25#include <linux/gpio.h>
26#include <linux/input.h>
27#include <linux/gpio_keys.h>
28#include <linux/pwm.h>
29#include <linux/pwm_backlight.h>
30#include <linux/i2c.h>
31#include <linux/leds.h>
32#include <linux/pda_power.h>
33#include <linux/s3c_adc_battery.h>
34#include <linux/delay.h>
35
36#include <video/platform_lcd.h>
37
38#include <linux/mmc/host.h>
39#include <linux/export.h>
40
41#include <asm/irq.h>
42#include <asm/mach-types.h>
43#include <asm/mach/arch.h>
44#include <asm/mach/map.h>
45#include <asm/mach/irq.h>
46
47#include <linux/platform_data/i2c-s3c2410.h>
48#include <linux/platform_data/mmc-s3cmci.h>
49#include <linux/platform_data/touchscreen-s3c2410.h>
50#include <linux/platform_data/usb-s3c2410_udc.h>
51
52#include <sound/uda1380.h>
53
54#include <mach/fb.h>
55#include <mach/hardware.h>
56#include <mach/regs-clock.h>
57#include <mach/regs-gpio.h>
58#include <mach/regs-lcd.h>
59#include <mach/gpio-samsung.h>
60
61#include <plat/cpu.h>
62#include <plat/devs.h>
63#include <plat/gpio-cfg.h>
64#include <plat/pm.h>
65#include <plat/samsung-time.h>
66
67#include "common.h"
68#include "h1940.h"
69
70#define H1940_LATCH		((void __force __iomem *)0xF8000000)
71
72#define H1940_PA_LATCH		S3C2410_CS2
73
74#define H1940_LATCH_BIT(x)	(1 << ((x) + 16 - S3C_GPIO_END))
75
76#define S3C24XX_PLL_MDIV_SHIFT         (12)
77#define S3C24XX_PLL_PDIV_SHIFT         (4)
78#define S3C24XX_PLL_SDIV_SHIFT         (0)
79
80static struct map_desc h1940_iodesc[] __initdata = {
81	[0] = {
82		.virtual	= (unsigned long)H1940_LATCH,
83		.pfn		= __phys_to_pfn(H1940_PA_LATCH),
84		.length		= SZ_16K,
85		.type		= MT_DEVICE
86	},
87};
88
89#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
90#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
91#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
92
93static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = {
94	[0] = {
95		.hwport	     = 0,
96		.flags	     = 0,
97		.ucon	     = 0x3c5,
98		.ulcon	     = 0x03,
99		.ufcon	     = 0x51,
100	},
101	[1] = {
102		.hwport	     = 1,
103		.flags	     = 0,
104		.ucon	     = 0x245,
105		.ulcon	     = 0x03,
106		.ufcon	     = 0x00,
107	},
108	/* IR port */
109	[2] = {
110		.hwport	     = 2,
111		.flags	     = 0,
112		.uart_flags  = UPF_CONS_FLOW,
113		.ucon	     = 0x3c5,
114		.ulcon	     = 0x43,
115		.ufcon	     = 0x51,
116	}
117};
118
119/* Board control latch control */
120
121static unsigned int latch_state;
122
123static void h1940_latch_control(unsigned int clear, unsigned int set)
124{
125	unsigned long flags;
126
127	local_irq_save(flags);
128
129	latch_state &= ~clear;
130	latch_state |= set;
131
132	__raw_writel(latch_state, H1940_LATCH);
133
134	local_irq_restore(flags);
135}
136
137static inline int h1940_gpiolib_to_latch(int offset)
138{
139	return 1 << (offset + 16);
140}
141
142static void h1940_gpiolib_latch_set(struct gpio_chip *chip,
143					unsigned offset, int value)
144{
145	int latch_bit = h1940_gpiolib_to_latch(offset);
146
147	h1940_latch_control(value ? 0 : latch_bit,
148		value ? latch_bit : 0);
149}
150
151static int h1940_gpiolib_latch_output(struct gpio_chip *chip,
152					unsigned offset, int value)
153{
154	h1940_gpiolib_latch_set(chip, offset, value);
155	return 0;
156}
157
158static int h1940_gpiolib_latch_get(struct gpio_chip *chip,
159					unsigned offset)
160{
161	return (latch_state >> (offset + 16)) & 1;
162}
163
164static struct gpio_chip h1940_latch_gpiochip = {
165	.base			= H1940_LATCH_GPIO(0),
166	.owner			= THIS_MODULE,
167	.label			= "H1940_LATCH",
168	.ngpio			= 16,
169	.direction_output	= h1940_gpiolib_latch_output,
170	.set			= h1940_gpiolib_latch_set,
171	.get			= h1940_gpiolib_latch_get,
172};
173
174static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = {
175	.vbus_pin		= S3C2410_GPG(5),
176	.vbus_pin_inverted	= 1,
177	.pullup_pin		= H1940_LATCH_USB_DP,
178};
179
180static struct s3c2410_ts_mach_info h1940_ts_cfg __initdata = {
181		.delay = 10000,
182		.presc = 49,
183		.oversampling_shift = 2,
184		.cfg_gpio = s3c24xx_ts_cfg_gpio,
185};
186
187/**
188 * Set lcd on or off
189 **/
190static struct s3c2410fb_display h1940_lcd __initdata = {
191	.lcdcon5=	S3C2410_LCDCON5_FRM565 | \
192			S3C2410_LCDCON5_INVVLINE | \
193			S3C2410_LCDCON5_HWSWP,
194
195	.type =		S3C2410_LCDCON1_TFT,
196	.width =	240,
197	.height =	320,
198	.pixclock =	260000,
199	.xres =		240,
200	.yres =		320,
201	.bpp =		16,
202	.left_margin =	8,
203	.right_margin =	20,
204	.hsync_len =	4,
205	.upper_margin =	8,
206	.lower_margin = 7,
207	.vsync_len =	1,
208};
209
210static struct s3c2410fb_mach_info h1940_fb_info __initdata = {
211	.displays = &h1940_lcd,
212	.num_displays = 1,
213	.default_display = 0,
214
215	.lpcsel =	0x02,
216	.gpccon =	0xaa940659,
217	.gpccon_mask =	0xffffc0f0,
218	.gpcup =	0x0000ffff,
219	.gpcup_mask =	0xffffffff,
220	.gpdcon =	0xaa84aaa0,
221	.gpdcon_mask =	0xffffffff,
222	.gpdup =	0x0000faff,
223	.gpdup_mask =	0xffffffff,
224};
225
226static int power_supply_init(struct device *dev)
227{
228	return gpio_request(S3C2410_GPF(2), "cable plugged");
229}
230
231static int h1940_is_ac_online(void)
232{
233	return !gpio_get_value(S3C2410_GPF(2));
234}
235
236static void power_supply_exit(struct device *dev)
237{
238	gpio_free(S3C2410_GPF(2));
239}
240
241static char *h1940_supplicants[] = {
242	"main-battery",
243	"backup-battery",
244};
245
246static struct pda_power_pdata power_supply_info = {
247	.init			= power_supply_init,
248	.is_ac_online		= h1940_is_ac_online,
249	.exit			= power_supply_exit,
250	.supplied_to		= h1940_supplicants,
251	.num_supplicants	= ARRAY_SIZE(h1940_supplicants),
252};
253
254static struct resource power_supply_resources[] = {
255	[0] = DEFINE_RES_NAMED(IRQ_EINT2, 1, "ac", IORESOURCE_IRQ \
256			| IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE),
257};
258
259static struct platform_device power_supply = {
260	.name		= "pda-power",
261	.id		= -1,
262	.dev		= {
263				.platform_data =
264					&power_supply_info,
265	},
266	.resource	= power_supply_resources,
267	.num_resources	= ARRAY_SIZE(power_supply_resources),
268};
269
270static const struct s3c_adc_bat_thresh bat_lut_noac[] = {
271	{ .volt = 4070, .cur = 162, .level = 100},
272	{ .volt = 4040, .cur = 165, .level = 95},
273	{ .volt = 4016, .cur = 164, .level = 90},
274	{ .volt = 3996, .cur = 166, .level = 85},
275	{ .volt = 3971, .cur = 168, .level = 80},
276	{ .volt = 3951, .cur = 168, .level = 75},
277	{ .volt = 3931, .cur = 170, .level = 70},
278	{ .volt = 3903, .cur = 172, .level = 65},
279	{ .volt = 3886, .cur = 172, .level = 60},
280	{ .volt = 3858, .cur = 176, .level = 55},
281	{ .volt = 3842, .cur = 176, .level = 50},
282	{ .volt = 3818, .cur = 176, .level = 45},
283	{ .volt = 3789, .cur = 180, .level = 40},
284	{ .volt = 3769, .cur = 180, .level = 35},
285	{ .volt = 3749, .cur = 184, .level = 30},
286	{ .volt = 3732, .cur = 184, .level = 25},
287	{ .volt = 3716, .cur = 184, .level = 20},
288	{ .volt = 3708, .cur = 184, .level = 15},
289	{ .volt = 3716, .cur = 96, .level = 10},
290	{ .volt = 3700, .cur = 96, .level = 5},
291	{ .volt = 3684, .cur = 96, .level = 0},
292};
293
294static const struct s3c_adc_bat_thresh bat_lut_acin[] = {
295	{ .volt = 4130, .cur = 0, .level = 100},
296	{ .volt = 3982, .cur = 0, .level = 50},
297	{ .volt = 3854, .cur = 0, .level = 10},
298	{ .volt = 3841, .cur = 0, .level = 0},
299};
300
301static int h1940_bat_init(void)
302{
303	int ret;
304
305	ret = gpio_request(H1940_LATCH_SM803_ENABLE, "h1940-charger-enable");
306	if (ret)
307		return ret;
308	gpio_direction_output(H1940_LATCH_SM803_ENABLE, 0);
309
310	return 0;
311
312}
313
314static void h1940_bat_exit(void)
315{
316	gpio_free(H1940_LATCH_SM803_ENABLE);
317}
318
319static void h1940_enable_charger(void)
320{
321	gpio_set_value(H1940_LATCH_SM803_ENABLE, 1);
322}
323
324static void h1940_disable_charger(void)
325{
326	gpio_set_value(H1940_LATCH_SM803_ENABLE, 0);
327}
328
329static struct s3c_adc_bat_pdata h1940_bat_cfg = {
330	.init = h1940_bat_init,
331	.exit = h1940_bat_exit,
332	.enable_charger = h1940_enable_charger,
333	.disable_charger = h1940_disable_charger,
334	.gpio_charge_finished = S3C2410_GPF(3),
335	.gpio_inverted = 1,
336	.lut_noac = bat_lut_noac,
337	.lut_noac_cnt = ARRAY_SIZE(bat_lut_noac),
338	.lut_acin = bat_lut_acin,
339	.lut_acin_cnt = ARRAY_SIZE(bat_lut_acin),
340	.volt_channel = 0,
341	.current_channel = 1,
342	.volt_mult = 4056,
343	.current_mult = 1893,
344	.internal_impedance = 200,
345	.backup_volt_channel = 3,
346	/* TODO Check backup volt multiplier */
347	.backup_volt_mult = 4056,
348	.backup_volt_min = 0,
349	.backup_volt_max = 4149288
350};
351
352static struct platform_device h1940_battery = {
353	.name             = "s3c-adc-battery",
354	.id               = -1,
355	.dev = {
356		.parent = &s3c_device_adc.dev,
357		.platform_data = &h1940_bat_cfg,
358	},
359};
360
361static DEFINE_SPINLOCK(h1940_blink_spin);
362
363int h1940_led_blink_set(struct gpio_desc *desc, int state,
364	unsigned long *delay_on, unsigned long *delay_off)
365{
366	int blink_gpio, check_gpio1, check_gpio2;
367	int gpio = desc ? desc_to_gpio(desc) : -EINVAL;
368
369	switch (gpio) {
370	case H1940_LATCH_LED_GREEN:
371		blink_gpio = S3C2410_GPA(7);
372		check_gpio1 = S3C2410_GPA(1);
373		check_gpio2 = S3C2410_GPA(3);
374		break;
375	case H1940_LATCH_LED_RED:
376		blink_gpio = S3C2410_GPA(1);
377		check_gpio1 = S3C2410_GPA(7);
378		check_gpio2 = S3C2410_GPA(3);
379		break;
380	default:
381		blink_gpio = S3C2410_GPA(3);
382		check_gpio1 = S3C2410_GPA(1);
383		check_gpio2 = S3C2410_GPA(7);
384		break;
385	}
386
387	if (delay_on && delay_off && !*delay_on && !*delay_off)
388		*delay_on = *delay_off = 500;
389
390	spin_lock(&h1940_blink_spin);
391
392	switch (state) {
393	case GPIO_LED_NO_BLINK_LOW:
394	case GPIO_LED_NO_BLINK_HIGH:
395		if (!gpio_get_value(check_gpio1) &&
396		    !gpio_get_value(check_gpio2))
397			gpio_set_value(H1940_LATCH_LED_FLASH, 0);
398		gpio_set_value(blink_gpio, 0);
399		if (gpio_is_valid(gpio))
400			gpio_set_value(gpio, state);
401		break;
402	case GPIO_LED_BLINK:
403		if (gpio_is_valid(gpio))
404			gpio_set_value(gpio, 0);
405		gpio_set_value(H1940_LATCH_LED_FLASH, 1);
406		gpio_set_value(blink_gpio, 1);
407		break;
408	}
409
410	spin_unlock(&h1940_blink_spin);
411
412	return 0;
413}
414EXPORT_SYMBOL(h1940_led_blink_set);
415
416static struct gpio_led h1940_leds_desc[] = {
417	{
418		.name			= "Green",
419		.default_trigger	= "main-battery-full",
420		.gpio			= H1940_LATCH_LED_GREEN,
421		.retain_state_suspended	= 1,
422	},
423	{
424		.name			= "Red",
425		.default_trigger
426			= "main-battery-charging-blink-full-solid",
427		.gpio			= H1940_LATCH_LED_RED,
428		.retain_state_suspended	= 1,
429	},
430};
431
432static struct gpio_led_platform_data h1940_leds_pdata = {
433	.num_leds	= ARRAY_SIZE(h1940_leds_desc),
434	.leds		= h1940_leds_desc,
435	.gpio_blink_set	= h1940_led_blink_set,
436};
437
438static struct platform_device h1940_device_leds = {
439	.name	= "leds-gpio",
440	.id	= -1,
441	.dev	= {
442			.platform_data = &h1940_leds_pdata,
443	},
444};
445
446static struct platform_device h1940_device_bluetooth = {
447	.name             = "h1940-bt",
448	.id               = -1,
449};
450
451static void h1940_set_mmc_power(unsigned char power_mode, unsigned short vdd)
452{
453	switch (power_mode) {
454	case MMC_POWER_OFF:
455		gpio_set_value(H1940_LATCH_SD_POWER, 0);
456		break;
457	case MMC_POWER_UP:
458	case MMC_POWER_ON:
459		gpio_set_value(H1940_LATCH_SD_POWER, 1);
460		break;
461	default:
462		break;
463	}
464}
465
466static struct s3c24xx_mci_pdata h1940_mmc_cfg __initdata = {
467	.gpio_detect   = S3C2410_GPF(5),
468	.gpio_wprotect = S3C2410_GPH(8),
469	.set_power     = h1940_set_mmc_power,
470	.ocr_avail     = MMC_VDD_32_33,
471};
472
473static struct pwm_lookup h1940_pwm_lookup[] = {
474	PWM_LOOKUP("samsung-pwm", 0, "pwm-backlight", NULL, 36296,
475		   PWM_POLARITY_NORMAL),
476};
477
478static int h1940_backlight_init(struct device *dev)
479{
480	gpio_request(S3C2410_GPB(0), "Backlight");
481
482	gpio_direction_output(S3C2410_GPB(0), 0);
483	s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE);
484	s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
485	gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1);
486
487	return 0;
488}
489
490static int h1940_backlight_notify(struct device *dev, int brightness)
491{
492	if (!brightness) {
493		gpio_direction_output(S3C2410_GPB(0), 1);
494		gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
495	} else {
496		gpio_direction_output(S3C2410_GPB(0), 0);
497		s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE);
498		s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
499		gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1);
500	}
501	return brightness;
502}
503
504static void h1940_backlight_exit(struct device *dev)
505{
506	gpio_direction_output(S3C2410_GPB(0), 1);
507	gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
508}
509
510
511static struct platform_pwm_backlight_data backlight_data = {
512	.max_brightness = 100,
513	.dft_brightness = 50,
514	.enable_gpio    = -1,
515	.init           = h1940_backlight_init,
516	.notify		= h1940_backlight_notify,
517	.exit           = h1940_backlight_exit,
518};
519
520static struct platform_device h1940_backlight = {
521	.name = "pwm-backlight",
522	.dev  = {
523		.parent = &samsung_device_pwm.dev,
524		.platform_data = &backlight_data,
525	},
526	.id   = -1,
527};
528
529static void h1940_lcd_power_set(struct plat_lcd_data *pd,
530					unsigned int power)
531{
532	int value, retries = 100;
533
534	if (!power) {
535		gpio_set_value(S3C2410_GPC(0), 0);
536		/* wait for 3ac */
537		do {
538			value = gpio_get_value(S3C2410_GPC(6));
539		} while (value && retries--);
540
541		gpio_set_value(H1940_LATCH_LCD_P2, 0);
542		gpio_set_value(H1940_LATCH_LCD_P3, 0);
543		gpio_set_value(H1940_LATCH_LCD_P4, 0);
544
545		gpio_direction_output(S3C2410_GPC(1), 0);
546		gpio_direction_output(S3C2410_GPC(4), 0);
547
548		gpio_set_value(H1940_LATCH_LCD_P1, 0);
549		gpio_set_value(H1940_LATCH_LCD_P0, 0);
550
551		gpio_set_value(S3C2410_GPC(5), 0);
552
553	} else {
554		gpio_set_value(H1940_LATCH_LCD_P0, 1);
555		gpio_set_value(H1940_LATCH_LCD_P1, 1);
556
557		gpio_direction_input(S3C2410_GPC(1));
558		gpio_direction_input(S3C2410_GPC(4));
559		mdelay(10);
560		s3c_gpio_cfgpin(S3C2410_GPC(1), S3C_GPIO_SFN(2));
561		s3c_gpio_cfgpin(S3C2410_GPC(4), S3C_GPIO_SFN(2));
562
563		gpio_set_value(S3C2410_GPC(5), 1);
564		gpio_set_value(S3C2410_GPC(0), 1);
565
566		gpio_set_value(H1940_LATCH_LCD_P3, 1);
567		gpio_set_value(H1940_LATCH_LCD_P2, 1);
568		gpio_set_value(H1940_LATCH_LCD_P4, 1);
569	}
570}
571
572static struct plat_lcd_data h1940_lcd_power_data = {
573	.set_power      = h1940_lcd_power_set,
574};
575
576static struct platform_device h1940_lcd_powerdev = {
577	.name                   = "platform-lcd",
578	.dev.parent             = &s3c_device_lcd.dev,
579	.dev.platform_data      = &h1940_lcd_power_data,
580};
581
582static struct uda1380_platform_data uda1380_info = {
583	.gpio_power	= H1940_LATCH_UDA_POWER,
584	.gpio_reset	= S3C2410_GPA(12),
585	.dac_clk	= UDA1380_DAC_CLK_SYSCLK,
586};
587
588static struct i2c_board_info h1940_i2c_devices[] = {
589	{
590		I2C_BOARD_INFO("uda1380", 0x1a),
591		.platform_data = &uda1380_info,
592	},
593};
594
595#define DECLARE_BUTTON(p, k, n, w)	\
596	{				\
597		.gpio		= p,	\
598		.code		= k,	\
599		.desc		= n,	\
600		.wakeup		= w,	\
601		.active_low	= 1,	\
602	}
603
604static struct gpio_keys_button h1940_buttons[] = {
605	DECLARE_BUTTON(S3C2410_GPF(0),       KEY_POWER,          "Power", 1),
606	DECLARE_BUTTON(S3C2410_GPF(6),       KEY_ENTER,         "Select", 1),
607	DECLARE_BUTTON(S3C2410_GPF(7),      KEY_RECORD,         "Record", 0),
608	DECLARE_BUTTON(S3C2410_GPG(0),         KEY_F11,       "Calendar", 0),
609	DECLARE_BUTTON(S3C2410_GPG(2),         KEY_F12,       "Contacts", 0),
610	DECLARE_BUTTON(S3C2410_GPG(3),        KEY_MAIL,           "Mail", 0),
611	DECLARE_BUTTON(S3C2410_GPG(6),        KEY_LEFT,     "Left_arrow", 0),
612	DECLARE_BUTTON(S3C2410_GPG(7),    KEY_HOMEPAGE,           "Home", 0),
613	DECLARE_BUTTON(S3C2410_GPG(8),       KEY_RIGHT,    "Right_arrow", 0),
614	DECLARE_BUTTON(S3C2410_GPG(9),          KEY_UP,       "Up_arrow", 0),
615	DECLARE_BUTTON(S3C2410_GPG(10),       KEY_DOWN,     "Down_arrow", 0),
616};
617
618static struct gpio_keys_platform_data h1940_buttons_data = {
619	.buttons	= h1940_buttons,
620	.nbuttons	= ARRAY_SIZE(h1940_buttons),
621};
622
623static struct platform_device h1940_dev_buttons = {
624	.name		= "gpio-keys",
625	.id		= -1,
626	.dev		= {
627		.platform_data  = &h1940_buttons_data,
628	}
629};
630
631static struct platform_device *h1940_devices[] __initdata = {
632	&h1940_dev_buttons,
633	&s3c_device_ohci,
634	&s3c_device_lcd,
635	&s3c_device_wdt,
636	&s3c_device_i2c0,
637	&s3c_device_iis,
638	&s3c_device_usbgadget,
639	&h1940_device_leds,
640	&h1940_device_bluetooth,
641	&s3c_device_sdi,
642	&s3c_device_rtc,
643	&samsung_device_pwm,
644	&h1940_backlight,
645	&h1940_lcd_powerdev,
646	&s3c_device_adc,
647	&s3c_device_ts,
648	&power_supply,
649	&h1940_battery,
650};
651
652static void __init h1940_map_io(void)
653{
654	s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
655	s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
656	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
657
658	/* setup PM */
659
660#ifdef CONFIG_PM_H1940
661	memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024);
662#endif
663	s3c_pm_init();
664
665	/* Add latch gpio chip, set latch initial value */
666	h1940_latch_control(0, 0);
667	WARN_ON(gpiochip_add(&h1940_latch_gpiochip));
668}
669
670static void __init h1940_init_time(void)
671{
672	s3c2410_init_clocks(12000000);
673	samsung_timer_init();
674}
675
676/* H1940 and RX3715 need to reserve this for suspend */
677static void __init h1940_reserve(void)
678{
679	memblock_reserve(0x30003000, 0x1000);
680	memblock_reserve(0x30081000, 0x1000);
681}
682
683static void __init h1940_init(void)
684{
685	u32 tmp;
686
687	s3c24xx_fb_set_platdata(&h1940_fb_info);
688	s3c24xx_mci_set_platdata(&h1940_mmc_cfg);
689 	s3c24xx_udc_set_platdata(&h1940_udc_cfg);
690	s3c24xx_ts_set_platdata(&h1940_ts_cfg);
691	s3c_i2c0_set_platdata(NULL);
692
693	/* Turn off suspend on both USB ports, and switch the
694	 * selectable USB port to USB device mode. */
695
696	s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
697			      S3C2410_MISCCR_USBSUSPND0 |
698			      S3C2410_MISCCR_USBSUSPND1, 0x0);
699
700	tmp =   (0x78 << S3C24XX_PLL_MDIV_SHIFT)
701	      | (0x02 << S3C24XX_PLL_PDIV_SHIFT)
702	      | (0x03 << S3C24XX_PLL_SDIV_SHIFT);
703	writel(tmp, S3C2410_UPLLCON);
704
705	gpio_request(S3C2410_GPC(0), "LCD power");
706	gpio_request(S3C2410_GPC(1), "LCD power");
707	gpio_request(S3C2410_GPC(4), "LCD power");
708	gpio_request(S3C2410_GPC(5), "LCD power");
709	gpio_request(S3C2410_GPC(6), "LCD power");
710	gpio_request(H1940_LATCH_LCD_P0, "LCD power");
711	gpio_request(H1940_LATCH_LCD_P1, "LCD power");
712	gpio_request(H1940_LATCH_LCD_P2, "LCD power");
713	gpio_request(H1940_LATCH_LCD_P3, "LCD power");
714	gpio_request(H1940_LATCH_LCD_P4, "LCD power");
715	gpio_request(H1940_LATCH_MAX1698_nSHUTDOWN, "LCD power");
716	gpio_direction_output(S3C2410_GPC(0), 0);
717	gpio_direction_output(S3C2410_GPC(1), 0);
718	gpio_direction_output(S3C2410_GPC(4), 0);
719	gpio_direction_output(S3C2410_GPC(5), 0);
720	gpio_direction_input(S3C2410_GPC(6));
721	gpio_direction_output(H1940_LATCH_LCD_P0, 0);
722	gpio_direction_output(H1940_LATCH_LCD_P1, 0);
723	gpio_direction_output(H1940_LATCH_LCD_P2, 0);
724	gpio_direction_output(H1940_LATCH_LCD_P3, 0);
725	gpio_direction_output(H1940_LATCH_LCD_P4, 0);
726	gpio_direction_output(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
727
728	gpio_request(H1940_LATCH_SD_POWER, "SD power");
729	gpio_direction_output(H1940_LATCH_SD_POWER, 0);
730
731	pwm_add_table(h1940_pwm_lookup, ARRAY_SIZE(h1940_pwm_lookup));
732	platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices));
733
734	gpio_request(S3C2410_GPA(1), "Red LED blink");
735	gpio_request(S3C2410_GPA(3), "Blue LED blink");
736	gpio_request(S3C2410_GPA(7), "Green LED blink");
737	gpio_request(H1940_LATCH_LED_FLASH, "LED blink");
738	gpio_direction_output(S3C2410_GPA(1), 0);
739	gpio_direction_output(S3C2410_GPA(3), 0);
740	gpio_direction_output(S3C2410_GPA(7), 0);
741	gpio_direction_output(H1940_LATCH_LED_FLASH, 0);
742
743	i2c_register_board_info(0, h1940_i2c_devices,
744		ARRAY_SIZE(h1940_i2c_devices));
745}
746
747MACHINE_START(H1940, "IPAQ-H1940")
748	/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
749	.atag_offset	= 0x100,
750	.map_io		= h1940_map_io,
751	.reserve	= h1940_reserve,
752	.init_irq	= s3c2410_init_irq,
753	.init_machine	= h1940_init,
754	.init_time	= h1940_init_time,
755MACHINE_END
756