[net-next-2.6.git] / arch / arm / mach-s3c2440 / mach-rx1950.c

/* linux/arch/arm/mach-s3c2440/mach-rx1950.c
 *
 * Copyright (c) 2006-2009 Victor Chukhantsev, Denis Grigoriev,
 * Copyright (c) 2007-2010 Vasily Khoruzhick
 *
 * based on smdk2440 written by Ben Dooks
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
*/

#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/memblock.h>
#include <linux/delay.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/gpio.h>
#include <linux/platform_device.h>
#include <linux/serial_core.h>
#include <linux/input.h>
#include <linux/gpio_keys.h>
#include <linux/sysdev.h>
#include <linux/pda_power.h>
#include <linux/pwm_backlight.h>
#include <linux/pwm.h>
#include <linux/s3c_adc_battery.h>
#include <linux/leds.h>
#include <linux/i2c.h>

#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>

#include <linux/mmc/host.h>

#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach-types.h>

#include <mach/regs-gpio.h>
#include <mach/regs-gpioj.h>
#include <mach/h1940.h>
#include <mach/fb.h>

#include <plat/clock.h>
#include <plat/regs-serial.h>
#include <plat/regs-iic.h>
#include <plat/mci.h>
#include <plat/udc.h>
#include <plat/nand.h>
#include <plat/iic.h>
#include <plat/devs.h>
#include <plat/cpu.h>
#include <plat/pm.h>
#include <plat/irq.h>
#include <plat/ts.h>

#include <sound/uda1380.h>

#define LCD_PWM_PERIOD 192960
#define LCD_PWM_DUTY 127353

static struct map_desc rx1950_iodesc[] __initdata = {
};

static struct s3c24xx_uart_clksrc rx1950_serial_clocks[] = {
	[0] = {
	       .name = "fclk",
	       .divisor = 0x0a,
	       .min_baud = 0,
	       .max_baud = 0,
	},
};

static struct s3c2410_uartcfg rx1950_uartcfgs[] __initdata = {
	[0] = {
	       .hwport = 0,
	       .flags = 0,
	       .ucon = 0x3c5,
	       .ulcon = 0x03,
	       .ufcon = 0x51,
	       .clocks = rx1950_serial_clocks,
	       .clocks_size = ARRAY_SIZE(rx1950_serial_clocks),
	},
	[1] = {
	       .hwport = 1,
	       .flags = 0,
	       .ucon = 0x3c5,
	       .ulcon = 0x03,
	       .ufcon = 0x51,
	       .clocks = rx1950_serial_clocks,
	       .clocks_size = ARRAY_SIZE(rx1950_serial_clocks),
	},
	/* IR port */
	[2] = {
	       .hwport = 2,
	       .flags = 0,
	       .ucon = 0x3c5,
	       .ulcon = 0x43,
	       .ufcon = 0xf1,
	       .clocks = rx1950_serial_clocks,
	       .clocks_size = ARRAY_SIZE(rx1950_serial_clocks),
	},
};

static struct s3c2410fb_display rx1950_display = {
	.type = S3C2410_LCDCON1_TFT,
	.width = 240,
	.height = 320,
	.xres = 240,
	.yres = 320,
	.bpp = 16,

	.pixclock = 260000,
	.left_margin = 10,
	.right_margin = 20,
	.hsync_len = 10,
	.upper_margin = 2,
	.lower_margin = 2,
	.vsync_len = 2,

	.lcdcon5 = S3C2410_LCDCON5_FRM565 |
			   S3C2410_LCDCON5_INVVCLK |
			   S3C2410_LCDCON5_INVVLINE |
			   S3C2410_LCDCON5_INVVFRAME |
			   S3C2410_LCDCON5_HWSWP |
			   (0x02 << 13) |
			   (0x02 << 15),

};

static int power_supply_init(struct device *dev)
{
	return gpio_request(S3C2410_GPF(2), "cable plugged");
}

static int rx1950_is_ac_online(void)
{
	return !gpio_get_value(S3C2410_GPF(2));
}

static void power_supply_exit(struct device *dev)
{
	gpio_free(S3C2410_GPF(2));
}

static char *rx1950_supplicants[] = {
	"main-battery"
};

static struct pda_power_pdata power_supply_info = {
	.init			= power_supply_init,
	.is_ac_online		= rx1950_is_ac_online,
	.exit			= power_supply_exit,
	.supplied_to		= rx1950_supplicants,
	.num_supplicants	= ARRAY_SIZE(rx1950_supplicants),
};

static struct resource power_supply_resources[] = {
	[0] = {
			.name	= "ac",
			.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE |
					  IORESOURCE_IRQ_HIGHEDGE,
			.start	= IRQ_EINT2,
			.end	= IRQ_EINT2,
	},
};

static struct platform_device power_supply = {
	.name			= "pda-power",
	.id			= -1,
	.dev			= {
					.platform_data =
						&power_supply_info,
	},
	.resource		= power_supply_resources,
	.num_resources		= ARRAY_SIZE(power_supply_resources),
};

static const struct s3c_adc_bat_thresh bat_lut_noac[] = {
	{ .volt = 4100, .cur = 156, .level = 100},
	{ .volt = 4050, .cur = 156, .level = 95},
	{ .volt = 4025, .cur = 141, .level = 90},
	{ .volt = 3995, .cur = 144, .level = 85},
	{ .volt = 3957, .cur = 162, .level = 80},
	{ .volt = 3931, .cur = 147, .level = 75},
	{ .volt = 3902, .cur = 147, .level = 70},
	{ .volt = 3863, .cur = 153, .level = 65},
	{ .volt = 3838, .cur = 150, .level = 60},
	{ .volt = 3800, .cur = 153, .level = 55},
	{ .volt = 3765, .cur = 153, .level = 50},
	{ .volt = 3748, .cur = 172, .level = 45},
	{ .volt = 3740, .cur = 153, .level = 40},
	{ .volt = 3714, .cur = 175, .level = 35},
	{ .volt = 3710, .cur = 156, .level = 30},
	{ .volt = 3963, .cur = 156, .level = 25},
	{ .volt = 3672, .cur = 178, .level = 20},
	{ .volt = 3651, .cur = 178, .level = 15},
	{ .volt = 3629, .cur = 178, .level = 10},
	{ .volt = 3612, .cur = 162, .level = 5},
	{ .volt = 3605, .cur = 162, .level = 0},
};

static const struct s3c_adc_bat_thresh bat_lut_acin[] = {
	{ .volt = 4200, .cur = 0, .level = 100},
	{ .volt = 4190, .cur = 0, .level = 99},
	{ .volt = 4178, .cur = 0, .level = 95},
	{ .volt = 4110, .cur = 0, .level = 70},
	{ .volt = 4076, .cur = 0, .level = 65},
	{ .volt = 4046, .cur = 0, .level = 60},
	{ .volt = 4021, .cur = 0, .level = 55},
	{ .volt = 3999, .cur = 0, .level = 50},
	{ .volt = 3982, .cur = 0, .level = 45},
	{ .volt = 3965, .cur = 0, .level = 40},
	{ .volt = 3957, .cur = 0, .level = 35},
	{ .volt = 3948, .cur = 0, .level = 30},
	{ .volt = 3936, .cur = 0, .level = 25},
	{ .volt = 3927, .cur = 0, .level = 20},
	{ .volt = 3906, .cur = 0, .level = 15},
	{ .volt = 3880, .cur = 0, .level = 10},
	{ .volt = 3829, .cur = 0, .level = 5},
	{ .volt = 3820, .cur = 0, .level = 0},
};

int rx1950_bat_init(void)
{
	int ret;

	ret = gpio_request(S3C2410_GPJ(2), "rx1950-charger-enable-1");
	if (ret)
		goto err_gpio1;
	ret = gpio_request(S3C2410_GPJ(3), "rx1950-charger-enable-2");
	if (ret)
		goto err_gpio2;

	return 0;

err_gpio2:
	gpio_free(S3C2410_GPJ(2));
err_gpio1:
	return ret;
}

void rx1950_bat_exit(void)
{
	gpio_free(S3C2410_GPJ(2));
	gpio_free(S3C2410_GPJ(3));
}

void rx1950_enable_charger(void)
{
	gpio_direction_output(S3C2410_GPJ(2), 1);
	gpio_direction_output(S3C2410_GPJ(3), 1);
}

void rx1950_disable_charger(void)
{
	gpio_direction_output(S3C2410_GPJ(2), 0);
	gpio_direction_output(S3C2410_GPJ(3), 0);
}

static struct gpio_led rx1950_leds_desc[] = {
	{
		.name				= "Green",
		.default_trigger	= "main-battery-charging-or-full",
		.gpio				= S3C2410_GPA(6),
	},
	{
		.name				= "Red",
		.default_trigger	= "main-battery-full",
		.gpio				= S3C2410_GPA(7),
	},
	{
		.name				= "Blue",
		.default_trigger	= "rx1950-acx-mem",
		.gpio				= S3C2410_GPA(11),
	},
};

static struct gpio_led_platform_data rx1950_leds_pdata = {
	.num_leds	= ARRAY_SIZE(rx1950_leds_desc),
	.leds		= rx1950_leds_desc,
};

static struct platform_device rx1950_leds = {
	.name	= "leds-gpio",
	.id		= -1,
	.dev	= {
				.platform_data = &rx1950_leds_pdata,
	},
};

static struct s3c_adc_bat_pdata rx1950_bat_cfg = {
	.init = rx1950_bat_init,
	.exit = rx1950_bat_exit,
	.enable_charger = rx1950_enable_charger,
	.disable_charger = rx1950_disable_charger,
	.gpio_charge_finished = S3C2410_GPF(3),
	.lut_noac = bat_lut_noac,
	.lut_noac_cnt = ARRAY_SIZE(bat_lut_noac),
	.lut_acin = bat_lut_acin,
	.lut_acin_cnt = ARRAY_SIZE(bat_lut_acin),
	.volt_channel = 0,
	.current_channel = 1,
	.volt_mult = 4235,
	.current_mult = 2900,
	.internal_impedance = 200,
};

static struct platform_device rx1950_battery = {
	.name             = "s3c-adc-battery",
	.id               = -1,
	.dev = {
		.parent = &s3c_device_adc.dev,
		.platform_data = &rx1950_bat_cfg,
	},
};

static struct s3c2410fb_mach_info rx1950_lcd_cfg = {
	.displays = &rx1950_display,
	.num_displays = 1,
	.default_display = 0,

	.lpcsel = 0x02,
	.gpccon = 0xaa9556a9,
	.gpccon_mask = 0xffc003fc,
	.gpcup = 0x0000ffff,
	.gpcup_mask = 0xffffffff,

	.gpdcon = 0xaa90aaa1,
	.gpdcon_mask = 0xffc0fff0,
	.gpdup = 0x0000fcfd,
	.gpdup_mask = 0xffffffff,

};

static struct pwm_device *lcd_pwm;

void rx1950_lcd_power(int enable)
{
	int i;
	static int enabled;
	if (enabled == enable)
		return;
	if (!enable) {

		/* GPC11-GPC15->OUTPUT */
		for (i = 11; i < 16; i++)
			gpio_direction_output(S3C2410_GPC(i), 1);

		/* Wait a bit here... */
		mdelay(100);

		/* GPD2-GPD7->OUTPUT */
		/* GPD11-GPD15->OUTPUT */
		/* GPD2-GPD7->1, GPD11-GPD15->1 */
		for (i = 2; i < 8; i++)
			gpio_direction_output(S3C2410_GPD(i), 1);
		for (i = 11; i < 16; i++)
			gpio_direction_output(S3C2410_GPD(i), 1);

		/* Wait a bit here...*/
		mdelay(100);

		/* GPB0->OUTPUT, GPB0->0 */
		gpio_direction_output(S3C2410_GPB(0), 0);

		/* GPC1-GPC4->OUTPUT, GPC1-4->0 */
		for (i = 1; i < 5; i++)
			gpio_direction_output(S3C2410_GPC(i), 0);

		/* GPC15-GPC11->0 */
		for (i = 11; i < 16; i++)
			gpio_direction_output(S3C2410_GPC(i), 0);

		/* GPD15-GPD11->0, GPD2->GPD7->0 */
		for (i = 11; i < 16; i++)
			gpio_direction_output(S3C2410_GPD(i), 0);

		for (i = 2; i < 8; i++)
			gpio_direction_output(S3C2410_GPD(i), 0);

		/* GPC6->0, GPC7->0, GPC5->0 */
		gpio_direction_output(S3C2410_GPC(6), 0);
		gpio_direction_output(S3C2410_GPC(7), 0);
		gpio_direction_output(S3C2410_GPC(5), 0);

		/* GPB1->OUTPUT, GPB1->0 */
		gpio_direction_output(S3C2410_GPB(1), 0);
		pwm_config(lcd_pwm, 0, LCD_PWM_PERIOD);
		pwm_disable(lcd_pwm);

		/* GPC0->0, GPC10->0 */
		gpio_direction_output(S3C2410_GPC(0), 0);
		gpio_direction_output(S3C2410_GPC(10), 0);
	} else {
		pwm_config(lcd_pwm, LCD_PWM_DUTY, LCD_PWM_PERIOD);
		pwm_enable(lcd_pwm);

		gpio_direction_output(S3C2410_GPC(0), 1);
		gpio_direction_output(S3C2410_GPC(5), 1);

		s3c_gpio_cfgpin(S3C2410_GPB(1), S3C2410_GPB1_TOUT1);
		gpio_direction_output(S3C2410_GPC(7), 1);

		for (i = 1; i < 5; i++)
			s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));

		for (i = 11; i < 16; i++)
			s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));

		for (i = 2; i < 8; i++)
			s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));

		for (i = 11; i < 16; i++)
			s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));

		gpio_direction_output(S3C2410_GPC(10), 1);
		gpio_direction_output(S3C2410_GPC(6), 1);
	}
	enabled = enable;
}

static void rx1950_bl_power(int enable)
{
	static int enabled;
	if (enabled == enable)
		return;
	if (!enable) {
			gpio_direction_output(S3C2410_GPB(0), 0);
	} else {
			/* LED driver need a "push" to power on */
			gpio_direction_output(S3C2410_GPB(0), 1);
			/* Warm up backlight for one period of PWM.
			 * Without this trick its almost impossible to
			 * enable backlight with low brightness value
			 */
			ndelay(48000);
			s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
	}
	enabled = enable;
}

static int rx1950_backlight_init(struct device *dev)
{
	WARN_ON(gpio_request(S3C2410_GPB(0), "Backlight"));
	lcd_pwm = pwm_request(1, "RX1950 LCD");
	if (IS_ERR(lcd_pwm)) {
		dev_err(dev, "Unable to request PWM for LCD power!\n");
		return PTR_ERR(lcd_pwm);
	}

	rx1950_lcd_power(1);
	rx1950_bl_power(1);

	return 0;
}

static void rx1950_backlight_exit(struct device *dev)
{
	rx1950_bl_power(0);
	rx1950_lcd_power(0);

	pwm_free(lcd_pwm);
	gpio_free(S3C2410_GPB(0));
}


static int rx1950_backlight_notify(struct device *dev, int brightness)
{
	if (!brightness) {
		rx1950_bl_power(0);
		rx1950_lcd_power(0);
	} else {
		rx1950_lcd_power(1);
		rx1950_bl_power(1);
	}
	return brightness;
}

static struct platform_pwm_backlight_data rx1950_backlight_data = {
	.pwm_id = 0,
	.max_brightness = 24,
	.dft_brightness = 4,
	.pwm_period_ns = 48000,
	.init = rx1950_backlight_init,
	.notify = rx1950_backlight_notify,
	.exit = rx1950_backlight_exit,
};

static struct platform_device rx1950_backlight = {
	.name = "pwm-backlight",
	.dev = {
		.parent = &s3c_device_timer[0].dev,
		.platform_data = &rx1950_backlight_data,
	},
};

static void rx1950_set_mmc_power(unsigned char power_mode, unsigned short vdd)
{
	switch (power_mode) {
	case MMC_POWER_OFF:
		gpio_direction_output(S3C2410_GPJ(1), 0);
		break;
	case MMC_POWER_UP:
	case MMC_POWER_ON:
		gpio_direction_output(S3C2410_GPJ(1), 1);
		break;
	default:
		break;
	}
}

static struct s3c24xx_mci_pdata rx1950_mmc_cfg __initdata = {
	.gpio_detect = S3C2410_GPF(5),
	.gpio_wprotect = S3C2410_GPH(8),
	.set_power = rx1950_set_mmc_power,
	.ocr_avail = MMC_VDD_32_33,
};

static struct mtd_partition rx1950_nand_part[] = {
	[0] = {
			.name = "Boot0",
			.offset = 0,
			.size = 0x4000,
			.mask_flags = MTD_WRITEABLE,
	},
	[1] = {
			.name = "Boot1",
			.offset = MTDPART_OFS_APPEND,
			.size = 0x40000,
			.mask_flags = MTD_WRITEABLE,
	},
	[2] = {
			.name = "Kernel",
			.offset = MTDPART_OFS_APPEND,
			.size = 0x300000,
			.mask_flags = 0,
	},
	[3] = {
			.name = "Filesystem",
			.offset = MTDPART_OFS_APPEND,
			.size = MTDPART_SIZ_FULL,
			.mask_flags = 0,
	},
};

static struct s3c2410_nand_set rx1950_nand_sets[] = {
	[0] = {
			.name = "Internal",
			.nr_chips = 1,
			.nr_partitions = ARRAY_SIZE(rx1950_nand_part),
			.partitions = rx1950_nand_part,
	},
};

static struct s3c2410_platform_nand rx1950_nand_info = {
	.tacls = 25,
	.twrph0 = 50,
	.twrph1 = 15,
	.nr_sets = ARRAY_SIZE(rx1950_nand_sets),
	.sets = rx1950_nand_sets,
};

static void rx1950_udc_pullup(enum s3c2410_udc_cmd_e cmd)
{
	switch (cmd) {
	case S3C2410_UDC_P_ENABLE:
		gpio_direction_output(S3C2410_GPJ(5), 1);
		break;
	case S3C2410_UDC_P_DISABLE:
		gpio_direction_output(S3C2410_GPJ(5), 0);
		break;
	case S3C2410_UDC_P_RESET:
		break;
	default:
		break;
	}
}

static struct s3c2410_udc_mach_info rx1950_udc_cfg __initdata = {
	.udc_command = rx1950_udc_pullup,
	.vbus_pin = S3C2410_GPG(5),
	.vbus_pin_inverted = 1,
};

static struct s3c2410_ts_mach_info rx1950_ts_cfg __initdata = {
	.delay = 10000,
	.presc = 49,
	.oversampling_shift = 3,
};

static struct gpio_keys_button rx1950_gpio_keys_table[] = {
	{
		.code		= KEY_POWER,
		.gpio		= S3C2410_GPF(0),
		.active_low	= 1,
		.desc		= "Power button",
		.wakeup		= 1,
	},
	{
		.code		= KEY_F5,
		.gpio		= S3C2410_GPF(7),
		.active_low	= 1,
		.desc		= "Record button",
	},
	{
		.code		= KEY_F1,
		.gpio		= S3C2410_GPG(0),
		.active_low	= 1,
		.desc		= "Calendar button",
	},
	{
		.code		= KEY_F2,
		.gpio		= S3C2410_GPG(2),
		.active_low	= 1,
		.desc		= "Contacts button",
	},
	{
		.code		= KEY_F3,
		.gpio		= S3C2410_GPG(3),
		.active_low	= 1,
		.desc		= "Mail button",
	},
	{
		.code		= KEY_F4,
		.gpio		= S3C2410_GPG(7),
		.active_low	= 1,
		.desc		= "WLAN button",
	},
	{
		.code		= KEY_LEFT,
		.gpio		= S3C2410_GPG(10),
		.active_low	= 1,
		.desc		= "Left button",
	},
	{
		.code		= KEY_RIGHT,
		.gpio		= S3C2410_GPG(11),
		.active_low	= 1,
		.desc		= "Right button",
	},
	{
		.code		= KEY_UP,
		.gpio		= S3C2410_GPG(4),
		.active_low	= 1,
		.desc		= "Up button",
	},
	{
		.code		= KEY_DOWN,
		.gpio		= S3C2410_GPG(6),
		.active_low	= 1,
		.desc		= "Down button",
	},
	{
		.code		= KEY_ENTER,
		.gpio		= S3C2410_GPG(9),
		.active_low	= 1,
		.desc		= "Ok button"
	},
};

static struct gpio_keys_platform_data rx1950_gpio_keys_data = {
	.buttons = rx1950_gpio_keys_table,
	.nbuttons = ARRAY_SIZE(rx1950_gpio_keys_table),
};

static struct platform_device rx1950_device_gpiokeys = {
	.name = "gpio-keys",
	.dev.platform_data = &rx1950_gpio_keys_data,
};

static struct uda1380_platform_data uda1380_info = {
	.gpio_power	= S3C2410_GPJ(0),
	.gpio_reset	= S3C2410_GPD(0),
	.dac_clk	= UDA1380_DAC_CLK_SYSCLK,
};

static struct i2c_board_info rx1950_i2c_devices[] = {
	{
		I2C_BOARD_INFO("uda1380", 0x1a),
		.platform_data = &uda1380_info,
	},
};

static struct platform_device *rx1950_devices[] __initdata = {
	&s3c_device_lcd,
	&s3c_device_wdt,
	&s3c_device_i2c0,
	&s3c_device_iis,
	&s3c_device_pcm,
	&s3c_device_usbgadget,
	&s3c_device_rtc,
	&s3c_device_nand,
	&s3c_device_sdi,
	&s3c_device_adc,
	&s3c_device_ts,
	&s3c_device_timer[0],
	&s3c_device_timer[1],
	&rx1950_backlight,
	&rx1950_device_gpiokeys,
	&power_supply,
	&rx1950_battery,
	&rx1950_leds,
};

static struct clk *rx1950_clocks[] __initdata = {
	&s3c24xx_clkout0,
	&s3c24xx_clkout1,
};

static void __init rx1950_map_io(void)
{
	s3c24xx_clkout0.parent  = &clk_h;
	s3c24xx_clkout1.parent  = &clk_f;

	s3c24xx_register_clocks(rx1950_clocks, ARRAY_SIZE(rx1950_clocks));

	s3c24xx_init_io(rx1950_iodesc, ARRAY_SIZE(rx1950_iodesc));
	s3c24xx_init_clocks(16934000);
	s3c24xx_init_uarts(rx1950_uartcfgs, ARRAY_SIZE(rx1950_uartcfgs));

	/* setup PM */

#ifdef CONFIG_PM_H1940
	memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 8);
#endif

	s3c_pm_init();
}

static void __init rx1950_init_machine(void)
{
	int i;

	s3c24xx_fb_set_platdata(&rx1950_lcd_cfg);
	s3c24xx_udc_set_platdata(&rx1950_udc_cfg);
	s3c24xx_ts_set_platdata(&rx1950_ts_cfg);
	s3c24xx_mci_set_platdata(&rx1950_mmc_cfg);
	s3c_i2c0_set_platdata(NULL);
	s3c_nand_set_platdata(&rx1950_nand_info);

	/* Turn off suspend on both USB ports, and switch the
	 * selectable USB port to USB device mode. */
	s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
						S3C2410_MISCCR_USBSUSPND0 |
						S3C2410_MISCCR_USBSUSPND1, 0x0);

	WARN_ON(gpio_request(S3C2410_GPJ(5), "UDC pullup"));
	gpio_direction_output(S3C2410_GPJ(5), 0);

	/* mmc power is disabled by default */
	WARN_ON(gpio_request(S3C2410_GPJ(1), "MMC power"));
	gpio_direction_output(S3C2410_GPJ(1), 0);

	for (i = 0; i < 8; i++)
		WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));

	for (i = 10; i < 16; i++)
		WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));

	for (i = 2; i < 8; i++)
		WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));

	for (i = 11; i < 16; i++)
		WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));

	WARN_ON(gpio_request(S3C2410_GPB(1), "LCD power"));

	platform_add_devices(rx1950_devices, ARRAY_SIZE(rx1950_devices));

	i2c_register_board_info(0, rx1950_i2c_devices,
		ARRAY_SIZE(rx1950_i2c_devices));
}

/* H1940 and RX3715 need to reserve this for suspend */
static void __init rx1950_reserve(void)
{
	memblock_reserve(0x30003000, 0x1000);
	memblock_reserve(0x30081000, 0x1000);
}

MACHINE_START(RX1950, "HP iPAQ RX1950")
    /* Maintainers: Vasily Khoruzhick */
	.boot_params = S3C2410_SDRAM_PA + 0x100,
	.map_io = rx1950_map_io,
	.reserve	= rx1950_reserve,
	.init_irq = s3c24xx_init_irq,
	.init_machine = rx1950_init_machine,
	.timer = &s3c24xx_timer,
MACHINE_END
Commit	Line	Data
c394f177 VK	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>
8d717a52	18	#include <linux/memblock.h>
c394f177 VK	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/sysdev.h>
ecab01d4	28	#include <linux/pda_power.h>
c394f177 VK	29	#include <linux/pwm_backlight.h>
c394f177 VK	30	#include <linux/pwm.h>
ecab01d4	31	#include <linux/s3c_adc_battery.h>
9c1a47cf	32	#include <linux/leds.h>
2cc857ff	33	#include <linux/i2c.h>
c394f177 VK	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-gpioj.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 <plat/mci.h>
	53	#include <plat/udc.h>
	54	#include <plat/nand.h>
	55	#include <plat/iic.h>
	56	#include <plat/devs.h>
	57	#include <plat/cpu.h>
	58	#include <plat/pm.h>
	59	#include <plat/irq.h>
	60	#include <plat/ts.h>
	61
2cc857ff VK	62	#include <sound/uda1380.h>
2cc857ff VK	63
c394f177 VK	64	#define LCD_PWM_PERIOD 192960
	65	#define LCD_PWM_DUTY 127353
	66
	67	static struct map_desc rx1950_iodesc[] __initdata = {
	68	};
	69
	70	static struct s3c24xx_uart_clksrc rx1950_serial_clocks[] = {
	71	[0] = {
	72	.name = "fclk",
	73	.divisor = 0x0a,
	74	.min_baud = 0,
	75	.max_baud = 0,
	76	},
	77	};
	78
	79	static struct s3c2410_uartcfg rx1950_uartcfgs[] __initdata = {
	80	[0] = {
	81	.hwport = 0,
	82	.flags = 0,
	83	.ucon = 0x3c5,
	84	.ulcon = 0x03,
	85	.ufcon = 0x51,
	86	.clocks = rx1950_serial_clocks,
	87	.clocks_size = ARRAY_SIZE(rx1950_serial_clocks),
	88	},
	89	[1] = {
	90	.hwport = 1,
	91	.flags = 0,
	92	.ucon = 0x3c5,
	93	.ulcon = 0x03,
	94	.ufcon = 0x51,
	95	.clocks = rx1950_serial_clocks,
	96	.clocks_size = ARRAY_SIZE(rx1950_serial_clocks),
	97	},
	98	/* IR port */
	99	[2] = {
	100	.hwport = 2,
	101	.flags = 0,
	102	.ucon = 0x3c5,
	103	.ulcon = 0x43,
	104	.ufcon = 0xf1,
	105	.clocks = rx1950_serial_clocks,
	106	.clocks_size = ARRAY_SIZE(rx1950_serial_clocks),
	107	},
	108	};
	109
	110	static struct s3c2410fb_display rx1950_display = {
	111	.type = S3C2410_LCDCON1_TFT,
	112	.width = 240,
	113	.height = 320,
	114	.xres = 240,
	115	.yres = 320,
	116	.bpp = 16,
	117
	118	.pixclock = 260000,
	119	.left_margin = 10,
	120	.right_margin = 20,
	121	.hsync_len = 10,
	122	.upper_margin = 2,
	123	.lower_margin = 2,
	124	.vsync_len = 2,
	125
	126	.lcdcon5 = S3C2410_LCDCON5_FRM565 \|
	127	S3C2410_LCDCON5_INVVCLK \|
128	S3C2410_LCDCON5_INVVLINE \|
129	S3C2410_LCDCON5_INVVFRAME \|
130	S3C2410_LCDCON5_HWSWP \|
131	(0x02 << 13) \|
132	(0x02 << 15),
133
134	};
135
ecab01d4 VK	136	static int power_supply_init(struct device *dev)
	137	{
	138	return gpio_request(S3C2410_GPF(2), "cable plugged");
	139	}
	140
	141	static int rx1950_is_ac_online(void)
	142	{
	143	return !gpio_get_value(S3C2410_GPF(2));
	144	}
	145
	146	static void power_supply_exit(struct device *dev)
	147	{
	148	gpio_free(S3C2410_GPF(2));
	149	}
	150
	151	static char *rx1950_supplicants[] = {
	152	"main-battery"
	153	};
	154
	155	static struct pda_power_pdata power_supply_info = {
	156	.init = power_supply_init,
	157	.is_ac_online = rx1950_is_ac_online,
	158	.exit = power_supply_exit,
	159	.supplied_to = rx1950_supplicants,
	160	.num_supplicants = ARRAY_SIZE(rx1950_supplicants),
	161	};
	162
	163	static struct resource power_supply_resources[] = {
	164	[0] = {
	165	.name = "ac",
	166	.flags = IORESOURCE_IRQ \| IORESOURCE_IRQ_LOWEDGE \|
	167	IORESOURCE_IRQ_HIGHEDGE,
	168	.start = IRQ_EINT2,
	169	.end = IRQ_EINT2,
	170	},
	171	};
	172
	173	static struct platform_device power_supply = {
	174	.name = "pda-power",
	175	.id = -1,
	176	.dev = {
	177	.platform_data =
	178	&power_supply_info,
	179	},
	180	.resource = power_supply_resources,
	181	.num_resources = ARRAY_SIZE(power_supply_resources),
	182	};
	183
	184	static const struct s3c_adc_bat_thresh bat_lut_noac[] = {
	185	{ .volt = 4100, .cur = 156, .level = 100},
	186	{ .volt = 4050, .cur = 156, .level = 95},
	187	{ .volt = 4025, .cur = 141, .level = 90},
	188	{ .volt = 3995, .cur = 144, .level = 85},
	189	{ .volt = 3957, .cur = 162, .level = 80},
	190	{ .volt = 3931, .cur = 147, .level = 75},
	191	{ .volt = 3902, .cur = 147, .level = 70},
	192	{ .volt = 3863, .cur = 153, .level = 65},
	193	{ .volt = 3838, .cur = 150, .level = 60},
	194	{ .volt = 3800, .cur = 153, .level = 55},
	195	{ .volt = 3765, .cur = 153, .level = 50},
	196	{ .volt = 3748, .cur = 172, .level = 45},
	197	{ .volt = 3740, .cur = 153, .level = 40},
	198	{ .volt = 3714, .cur = 175, .level = 35},
	199	{ .volt = 3710, .cur = 156, .level = 30},
200	{ .volt = 3963, .cur = 156, .level = 25},
201	{ .volt = 3672, .cur = 178, .level = 20},
202	{ .volt = 3651, .cur = 178, .level = 15},
203	{ .volt = 3629, .cur = 178, .level = 10},
204	{ .volt = 3612, .cur = 162, .level = 5},
205	{ .volt = 3605, .cur = 162, .level = 0},
206	};
207
208	static const struct s3c_adc_bat_thresh bat_lut_acin[] = {
209	{ .volt = 4200, .cur = 0, .level = 100},
210	{ .volt = 4190, .cur = 0, .level = 99},
211	{ .volt = 4178, .cur = 0, .level = 95},
212	{ .volt = 4110, .cur = 0, .level = 70},
213	{ .volt = 4076, .cur = 0, .level = 65},
214	{ .volt = 4046, .cur = 0, .level = 60},
215	{ .volt = 4021, .cur = 0, .level = 55},
216	{ .volt = 3999, .cur = 0, .level = 50},
217	{ .volt = 3982, .cur = 0, .level = 45},
218	{ .volt = 3965, .cur = 0, .level = 40},
219	{ .volt = 3957, .cur = 0, .level = 35},
220	{ .volt = 3948, .cur = 0, .level = 30},
221	{ .volt = 3936, .cur = 0, .level = 25},
222	{ .volt = 3927, .cur = 0, .level = 20},
223	{ .volt = 3906, .cur = 0, .level = 15},
224	{ .volt = 3880, .cur = 0, .level = 10},
225	{ .volt = 3829, .cur = 0, .level = 5},
226	{ .volt = 3820, .cur = 0, .level = 0},
227	};
228
229	int rx1950_bat_init(void)
230	{
231	int ret;
232
233	ret = gpio_request(S3C2410_GPJ(2), "rx1950-charger-enable-1");
234	if (ret)
235	goto err_gpio1;
236	ret = gpio_request(S3C2410_GPJ(3), "rx1950-charger-enable-2");
237	if (ret)
238	goto err_gpio2;
239
240	return 0;
241
242	err_gpio2:
243	gpio_free(S3C2410_GPJ(2));
244	err_gpio1:
245	return ret;
246	}
247
248	void rx1950_bat_exit(void)
249	{
250	gpio_free(S3C2410_GPJ(2));
251	gpio_free(S3C2410_GPJ(3));
252	}
253
254	void rx1950_enable_charger(void)
255	{
256	gpio_direction_output(S3C2410_GPJ(2), 1);
257	gpio_direction_output(S3C2410_GPJ(3), 1);
258	}
259
260	void rx1950_disable_charger(void)
261	{
262	gpio_direction_output(S3C2410_GPJ(2), 0);
263	gpio_direction_output(S3C2410_GPJ(3), 0);
264	}
265
9c1a47cf VK	266	static struct gpio_led rx1950_leds_desc[] = {
	267	{
	268	.name = "Green",
	269	.default_trigger = "main-battery-charging-or-full",
	270	.gpio = S3C2410_GPA(6),
	271	},
	272	{
	273	.name = "Red",
	274	.default_trigger = "main-battery-full",
	275	.gpio = S3C2410_GPA(7),
	276	},
	277	{
	278	.name = "Blue",
	279	.default_trigger = "rx1950-acx-mem",
	280	.gpio = S3C2410_GPA(11),
	281	},
	282	};
	283
	284	static struct gpio_led_platform_data rx1950_leds_pdata = {
	285	.num_leds = ARRAY_SIZE(rx1950_leds_desc),
	286	.leds = rx1950_leds_desc,
	287	};
	288
	289	static struct platform_device rx1950_leds = {
	290	.name = "leds-gpio",
	291	.id = -1,
	292	.dev = {
	293	.platform_data = &rx1950_leds_pdata,
	294	},
	295	};
	296
ecab01d4 VK	297	static struct s3c_adc_bat_pdata rx1950_bat_cfg = {
	298	.init = rx1950_bat_init,
	299	.exit = rx1950_bat_exit,
	300	.enable_charger = rx1950_enable_charger,
	301	.disable_charger = rx1950_disable_charger,
	302	.gpio_charge_finished = S3C2410_GPF(3),
	303	.lut_noac = bat_lut_noac,
	304	.lut_noac_cnt = ARRAY_SIZE(bat_lut_noac),
	305	.lut_acin = bat_lut_acin,
	306	.lut_acin_cnt = ARRAY_SIZE(bat_lut_acin),
	307	.volt_channel = 0,
	308	.current_channel = 1,
	309	.volt_mult = 4235,
	310	.current_mult = 2900,
	311	.internal_impedance = 200,
	312	};
	313
	314	static struct platform_device rx1950_battery = {
	315	.name = "s3c-adc-battery",
	316	.id = -1,
	317	.dev = {
	318	.parent = &s3c_device_adc.dev,
	319	.platform_data = &rx1950_bat_cfg,
	320	},
	321	};
	322
c394f177 VK	323	static struct s3c2410fb_mach_info rx1950_lcd_cfg = {
	324	.displays = &rx1950_display,
	325	.num_displays = 1,
	326	.default_display = 0,
	327
	328	.lpcsel = 0x02,
	329	.gpccon = 0xaa9556a9,
	330	.gpccon_mask = 0xffc003fc,
	331	.gpcup = 0x0000ffff,
	332	.gpcup_mask = 0xffffffff,
	333
	334	.gpdcon = 0xaa90aaa1,
	335	.gpdcon_mask = 0xffc0fff0,
	336	.gpdup = 0x0000fcfd,
	337	.gpdup_mask = 0xffffffff,
	338
	339	};
	340
	341	static struct pwm_device *lcd_pwm;
	342
	343	void rx1950_lcd_power(int enable)
	344	{
	345	int i;
	346	static int enabled;
	347	if (enabled == enable)
	348	return;
	349	if (!enable) {
	350
	351	/* GPC11-GPC15->OUTPUT */
	352	for (i = 11; i < 16; i++)
	353	gpio_direction_output(S3C2410_GPC(i), 1);
	354
	355	/* Wait a bit here... */
	356	mdelay(100);
	357
	358	/* GPD2-GPD7->OUTPUT */
	359	/* GPD11-GPD15->OUTPUT */
	360	/* GPD2-GPD7->1, GPD11-GPD15->1 */
	361	for (i = 2; i < 8; i++)
	362	gpio_direction_output(S3C2410_GPD(i), 1);
	363	for (i = 11; i < 16; i++)
	364	gpio_direction_output(S3C2410_GPD(i), 1);
	365
	366	/* Wait a bit here...*/
	367	mdelay(100);
	368
	369	/* GPB0->OUTPUT, GPB0->0 */
	370	gpio_direction_output(S3C2410_GPB(0), 0);
	371
	372	/* GPC1-GPC4->OUTPUT, GPC1-4->0 */
	373	for (i = 1; i < 5; i++)
	374	gpio_direction_output(S3C2410_GPC(i), 0);
	375
	376	/* GPC15-GPC11->0 */
	377	for (i = 11; i < 16; i++)
	378	gpio_direction_output(S3C2410_GPC(i), 0);
	379
	380	/* GPD15-GPD11->0, GPD2->GPD7->0 */
	381	for (i = 11; i < 16; i++)
	382	gpio_direction_output(S3C2410_GPD(i), 0);
	383
	384	for (i = 2; i < 8; i++)
	385	gpio_direction_output(S3C2410_GPD(i), 0);
	386
387	/* GPC6->0, GPC7->0, GPC5->0 */
388	gpio_direction_output(S3C2410_GPC(6), 0);
389	gpio_direction_output(S3C2410_GPC(7), 0);
390	gpio_direction_output(S3C2410_GPC(5), 0);
391
392	/* GPB1->OUTPUT, GPB1->0 */
393	gpio_direction_output(S3C2410_GPB(1), 0);
394	pwm_config(lcd_pwm, 0, LCD_PWM_PERIOD);
395	pwm_disable(lcd_pwm);
396
397	/* GPC0->0, GPC10->0 */
398	gpio_direction_output(S3C2410_GPC(0), 0);
399	gpio_direction_output(S3C2410_GPC(10), 0);
400	} else {
401	pwm_config(lcd_pwm, LCD_PWM_DUTY, LCD_PWM_PERIOD);
402	pwm_enable(lcd_pwm);
403
404	gpio_direction_output(S3C2410_GPC(0), 1);
405	gpio_direction_output(S3C2410_GPC(5), 1);
406
407	s3c_gpio_cfgpin(S3C2410_GPB(1), S3C2410_GPB1_TOUT1);
408	gpio_direction_output(S3C2410_GPC(7), 1);
409
410	for (i = 1; i < 5; i++)
411	s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
412
413	for (i = 11; i < 16; i++)
414	s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
415
416	for (i = 2; i < 8; i++)
417	s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
418
419	for (i = 11; i < 16; i++)
420	s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
421
422	gpio_direction_output(S3C2410_GPC(10), 1);
423	gpio_direction_output(S3C2410_GPC(6), 1);
424	}
425	enabled = enable;
426	}
427
428	static void rx1950_bl_power(int enable)
429	{
430	static int enabled;
431	if (enabled == enable)
432	return;
433	if (!enable) {
434	gpio_direction_output(S3C2410_GPB(0), 0);
435	} else {
436	/* LED driver need a "push" to power on */
437	gpio_direction_output(S3C2410_GPB(0), 1);
438	/* Warm up backlight for one period of PWM.
439	* Without this trick its almost impossible to
440	* enable backlight with low brightness value
441	*/
442	ndelay(48000);
443	s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
444	}
445	enabled = enable;
446	}
447
448	static int rx1950_backlight_init(struct device *dev)
449	{
450	WARN_ON(gpio_request(S3C2410_GPB(0), "Backlight"));
451	lcd_pwm = pwm_request(1, "RX1950 LCD");
452	if (IS_ERR(lcd_pwm)) {
453	dev_err(dev, "Unable to request PWM for LCD power!\n");
454	return PTR_ERR(lcd_pwm);
455	}
456
457	rx1950_lcd_power(1);
458	rx1950_bl_power(1);
459
460	return 0;
461	}
462
463	static void rx1950_backlight_exit(struct device *dev)
464	{
465	rx1950_bl_power(0);
466	rx1950_lcd_power(0);
467
468	pwm_free(lcd_pwm);
469	gpio_free(S3C2410_GPB(0));
470	}
471
472
473	static int rx1950_backlight_notify(struct device *dev, int brightness)
474	{
475	if (!brightness) {
476	rx1950_bl_power(0);
477	rx1950_lcd_power(0);
478	} else {
479	rx1950_lcd_power(1);
480	rx1950_bl_power(1);
481	}
482	return brightness;
483	}
484
485	static struct platform_pwm_backlight_data rx1950_backlight_data = {
486	.pwm_id = 0,
487	.max_brightness = 24,
488	.dft_brightness = 4,
489	.pwm_period_ns = 48000,
490	.init = rx1950_backlight_init,
491	.notify = rx1950_backlight_notify,
492	.exit = rx1950_backlight_exit,
493	};
494
495	static struct platform_device rx1950_backlight = {
496	.name = "pwm-backlight",
497	.dev = {
498	.parent = &s3c_device_timer[0].dev,
499	.platform_data = &rx1950_backlight_data,
500	},
501	};
502
503	static void rx1950_set_mmc_power(unsigned char power_mode, unsigned short vdd)
504	{
505	switch (power_mode) {
506	case MMC_POWER_OFF:
507	gpio_direction_output(S3C2410_GPJ(1), 0);
508	break;
509	case MMC_POWER_UP:
510	case MMC_POWER_ON:
511	gpio_direction_output(S3C2410_GPJ(1), 1);
512	break;
513	default:
514	break;
515	}
516	}
517
518	static struct s3c24xx_mci_pdata rx1950_mmc_cfg __initdata = {
519	.gpio_detect = S3C2410_GPF(5),
520	.gpio_wprotect = S3C2410_GPH(8),
521	.set_power = rx1950_set_mmc_power,
522	.ocr_avail = MMC_VDD_32_33,
523	};
524
525	static struct mtd_partition rx1950_nand_part[] = {
526	[0] = {
527	.name = "Boot0",
528	.offset = 0,
529	.size = 0x4000,
530	.mask_flags = MTD_WRITEABLE,
531	},
532	[1] = {
533	.name = "Boot1",
534	.offset = MTDPART_OFS_APPEND,
535	.size = 0x40000,
536	.mask_flags = MTD_WRITEABLE,
537	},
538	[2] = {
539	.name = "Kernel",
540	.offset = MTDPART_OFS_APPEND,
541	.size = 0x300000,
542	.mask_flags = 0,
543	},
544	[3] = {
545	.name = "Filesystem",
546	.offset = MTDPART_OFS_APPEND,
547	.size = MTDPART_SIZ_FULL,
548	.mask_flags = 0,
549	},
550	};
551
552	static struct s3c2410_nand_set rx1950_nand_sets[] = {
553	[0] = {
554	.name = "Internal",
555	.nr_chips = 1,
556	.nr_partitions = ARRAY_SIZE(rx1950_nand_part),
557	.partitions = rx1950_nand_part,
558	},
559	};
560
561	static struct s3c2410_platform_nand rx1950_nand_info = {
562	.tacls = 25,
563	.twrph0 = 50,
564	.twrph1 = 15,
565	.nr_sets = ARRAY_SIZE(rx1950_nand_sets),
566	.sets = rx1950_nand_sets,
567	};
568
569	static void rx1950_udc_pullup(enum s3c2410_udc_cmd_e cmd)
570	{
571	switch (cmd) {
572	case S3C2410_UDC_P_ENABLE:
573	gpio_direction_output(S3C2410_GPJ(5), 1);
574	break;
575	case S3C2410_UDC_P_DISABLE:
576	gpio_direction_output(S3C2410_GPJ(5), 0);
577	break;
578	case S3C2410_UDC_P_RESET:
579	break;
580	default:
581	break;
582	}
583	}
584
585	static struct s3c2410_udc_mach_info rx1950_udc_cfg __initdata = {
586	.udc_command = rx1950_udc_pullup,
587	.vbus_pin = S3C2410_GPG(5),
588	.vbus_pin_inverted = 1,
589	};
590
591	static struct s3c2410_ts_mach_info rx1950_ts_cfg __initdata = {
592	.delay = 10000,
593	.presc = 49,
594	.oversampling_shift = 3,
595	};
596
597	static struct gpio_keys_button rx1950_gpio_keys_table[] = {
598	{
599	.code = KEY_POWER,
600	.gpio = S3C2410_GPF(0),
601	.active_low = 1,
602	.desc = "Power button",
603	.wakeup = 1,
604	},
605	{
606	.code = KEY_F5,
607	.gpio = S3C2410_GPF(7),
608	.active_low = 1,
609	.desc = "Record button",
610	},
611	{
612	.code = KEY_F1,
613	.gpio = S3C2410_GPG(0),
614	.active_low = 1,
615	.desc = "Calendar button",
616	},
617	{
618	.code = KEY_F2,
619	.gpio = S3C2410_GPG(2),
620	.active_low = 1,
621	.desc = "Contacts button",
622	},
623	{
624	.code = KEY_F3,
625	.gpio = S3C2410_GPG(3),
626	.active_low = 1,
627	.desc = "Mail button",
628	},
629	{
630	.code = KEY_F4,
631	.gpio = S3C2410_GPG(7),
632	.active_low = 1,
633	.desc = "WLAN button",
634	},
635	{
636	.code = KEY_LEFT,
637	.gpio = S3C2410_GPG(10),
638	.active_low = 1,
639	.desc = "Left button",
640	},
641	{
642	.code = KEY_RIGHT,
643	.gpio = S3C2410_GPG(11),
644	.active_low = 1,
645	.desc = "Right button",
646	},
647	{
648	.code = KEY_UP,
649	.gpio = S3C2410_GPG(4),
650	.active_low = 1,
651	.desc = "Up button",
652	},
653	{
654	.code = KEY_DOWN,
655	.gpio = S3C2410_GPG(6),
656	.active_low = 1,
657	.desc = "Down button",
658	},
659	{
660	.code = KEY_ENTER,
661	.gpio = S3C2410_GPG(9),
662	.active_low = 1,
663	.desc = "Ok button"
664	},
665	};
666
667	static struct gpio_keys_platform_data rx1950_gpio_keys_data = {
668	.buttons = rx1950_gpio_keys_table,
669	.nbuttons = ARRAY_SIZE(rx1950_gpio_keys_table),
670	};
671
672	static struct platform_device rx1950_device_gpiokeys = {
673	.name = "gpio-keys",
674	.dev.platform_data = &rx1950_gpio_keys_data,
675	};
676
2cc857ff VK	677	static struct uda1380_platform_data uda1380_info = {
	678	.gpio_power = S3C2410_GPJ(0),
	679	.gpio_reset = S3C2410_GPD(0),
	680	.dac_clk = UDA1380_DAC_CLK_SYSCLK,
	681	};
	682
	683	static struct i2c_board_info rx1950_i2c_devices[] = {
	684	{
	685	I2C_BOARD_INFO("uda1380", 0x1a),
	686	.platform_data = &uda1380_info,
	687	},
c394f177 VK	688	};
	689
	690	static struct platform_device *rx1950_devices[] __initdata = {
	691	&s3c_device_lcd,
	692	&s3c_device_wdt,
	693	&s3c_device_i2c0,
	694	&s3c_device_iis,
2cc857ff	695	&s3c_device_pcm,
c394f177 VK	696	&s3c_device_usbgadget,
	697	&s3c_device_rtc,
	698	&s3c_device_nand,
	699	&s3c_device_sdi,
	700	&s3c_device_adc,
	701	&s3c_device_ts,
	702	&s3c_device_timer[0],
	703	&s3c_device_timer[1],
	704	&rx1950_backlight,
	705	&rx1950_device_gpiokeys,
ecab01d4 VK	706	&power_supply,
ecab01d4 VK	707	&rx1950_battery,
9c1a47cf	708	&rx1950_leds,
c394f177 VK	709	};
	710
	711	static struct clk *rx1950_clocks[] __initdata = {
	712	&s3c24xx_clkout0,
	713	&s3c24xx_clkout1,
	714	};
	715
	716	static void __init rx1950_map_io(void)
	717	{
	718	s3c24xx_clkout0.parent = &clk_h;
	719	s3c24xx_clkout1.parent = &clk_f;
	720
	721	s3c24xx_register_clocks(rx1950_clocks, ARRAY_SIZE(rx1950_clocks));
	722
	723	s3c24xx_init_io(rx1950_iodesc, ARRAY_SIZE(rx1950_iodesc));
	724	s3c24xx_init_clocks(16934000);
	725	s3c24xx_init_uarts(rx1950_uartcfgs, ARRAY_SIZE(rx1950_uartcfgs));
	726
	727	/* setup PM */
	728
	729	#ifdef CONFIG_PM_H1940
	730	memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 8);
	731	#endif
	732
	733	s3c_pm_init();
	734	}
	735
	736	static void __init rx1950_init_machine(void)
	737	{
	738	int i;
	739
	740	s3c24xx_fb_set_platdata(&rx1950_lcd_cfg);
	741	s3c24xx_udc_set_platdata(&rx1950_udc_cfg);
	742	s3c24xx_ts_set_platdata(&rx1950_ts_cfg);
	743	s3c24xx_mci_set_platdata(&rx1950_mmc_cfg);
2cc857ff	744	s3c_i2c0_set_platdata(NULL);
c394f177 VK	745	s3c_nand_set_platdata(&rx1950_nand_info);
	746
	747	/* Turn off suspend on both USB ports, and switch the
	748	* selectable USB port to USB device mode. */
	749	s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST \|
	750	S3C2410_MISCCR_USBSUSPND0 \|
	751	S3C2410_MISCCR_USBSUSPND1, 0x0);
	752
	753	WARN_ON(gpio_request(S3C2410_GPJ(5), "UDC pullup"));
	754	gpio_direction_output(S3C2410_GPJ(5), 0);
	755
	756	/* mmc power is disabled by default */
	757	WARN_ON(gpio_request(S3C2410_GPJ(1), "MMC power"));
	758	gpio_direction_output(S3C2410_GPJ(1), 0);
	759
	760	for (i = 0; i < 8; i++)
	761	WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
	762
	763	for (i = 10; i < 16; i++)
	764	WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
	765
	766	for (i = 2; i < 8; i++)
	767	WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
	768
	769	for (i = 11; i < 16; i++)
	770	WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
	771
	772	WARN_ON(gpio_request(S3C2410_GPB(1), "LCD power"));
	773
	774	platform_add_devices(rx1950_devices, ARRAY_SIZE(rx1950_devices));
2cc857ff VK	775
	776	i2c_register_board_info(0, rx1950_i2c_devices,
	777	ARRAY_SIZE(rx1950_i2c_devices));
c394f177 VK	778	}
c394f177 VK	779
98c672cf RK	780	/* H1940 and RX3715 need to reserve this for suspend */
	781	static void __init rx1950_reserve(void)
	782	{
8d717a52 RK	783	memblock_reserve(0x30003000, 0x1000);
8d717a52 RK	784	memblock_reserve(0x30081000, 0x1000);
98c672cf RK	785	}
98c672cf RK	786
c394f177 VK	787	MACHINE_START(RX1950, "HP iPAQ RX1950")
c394f177 VK	788	/* Maintainers: Vasily Khoruzhick */
c394f177 VK	789	.boot_params = S3C2410_SDRAM_PA + 0x100,
c394f177 VK	790	.map_io = rx1950_map_io,
98c672cf	791	.reserve = rx1950_reserve,
c394f177 VK	792	.init_irq = s3c24xx_init_irq,
	793	.init_machine = rx1950_init_machine,
	794	.timer = &s3c24xx_timer,
	795	MACHINE_END