[mirror_ubuntu-artful-kernel.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/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>

#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 s3c2410_platform_i2c rx1950_i2c_data = {
	.flags = 0,
	.slave_addr = 0x42,
	.frequency = 400 * 1000,
	.sda_delay = S3C2410_IICLC_SDA_DELAY5 | S3C2410_IICLC_FILTER_ON,
};

static struct platform_device *rx1950_devices[] __initdata = {
	&s3c_device_lcd,
	&s3c_device_wdt,
	&s3c_device_i2c0,
	&s3c_device_iis,
	&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(&rx1950_i2c_data);
	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));
}

/* 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 */
    .phys_io = S3C2410_PA_UART,
	.io_pg_offst = (((u32) S3C24XX_VA_UART) >> 18) & 0xfffc,
	.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>
c394f177 VK	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/arch.h>
	40	#include <asm/mach/map.h>
	41	#include <asm/mach-types.h>
	42
	43	#include <mach/regs-gpio.h>
	44	#include <mach/regs-gpioj.h>
	45	#include <mach/h1940.h>
	46	#include <mach/fb.h>
	47
	48	#include <plat/clock.h>
	49	#include <plat/regs-serial.h>
	50	#include <plat/regs-iic.h>
	51	#include <plat/mci.h>
	52	#include <plat/udc.h>
	53	#include <plat/nand.h>
	54	#include <plat/iic.h>
	55	#include <plat/devs.h>
	56	#include <plat/cpu.h>
	57	#include <plat/pm.h>
	58	#include <plat/irq.h>
	59	#include <plat/ts.h>
	60
	61	#define LCD_PWM_PERIOD 192960
	62	#define LCD_PWM_DUTY 127353
	63
	64	static struct map_desc rx1950_iodesc[] __initdata = {
	65	};
	66
	67	static struct s3c24xx_uart_clksrc rx1950_serial_clocks[] = {
	68	[0] = {
	69	.name = "fclk",
	70	.divisor = 0x0a,
	71	.min_baud = 0,
	72	.max_baud = 0,
	73	},
	74	};
	75
	76	static struct s3c2410_uartcfg rx1950_uartcfgs[] __initdata = {
	77	[0] = {
	78	.hwport = 0,
	79	.flags = 0,
	80	.ucon = 0x3c5,
	81	.ulcon = 0x03,
	82	.ufcon = 0x51,
	83	.clocks = rx1950_serial_clocks,
	84	.clocks_size = ARRAY_SIZE(rx1950_serial_clocks),
	85	},
	86	[1] = {
	87	.hwport = 1,
	88	.flags = 0,
	89	.ucon = 0x3c5,
	90	.ulcon = 0x03,
	91	.ufcon = 0x51,
	92	.clocks = rx1950_serial_clocks,
	93	.clocks_size = ARRAY_SIZE(rx1950_serial_clocks),
	94	},
	95	/* IR port */
	96	[2] = {
97	.hwport = 2,
98	.flags = 0,
99	.ucon = 0x3c5,
100	.ulcon = 0x43,
101	.ufcon = 0xf1,
102	.clocks = rx1950_serial_clocks,
103	.clocks_size = ARRAY_SIZE(rx1950_serial_clocks),
104	},
105	};
106
107	static struct s3c2410fb_display rx1950_display = {
108	.type = S3C2410_LCDCON1_TFT,
109	.width = 240,
110	.height = 320,
111	.xres = 240,
112	.yres = 320,
113	.bpp = 16,
114
115	.pixclock = 260000,
116	.left_margin = 10,
117	.right_margin = 20,
118	.hsync_len = 10,
119	.upper_margin = 2,
120	.lower_margin = 2,
121	.vsync_len = 2,
122
123	.lcdcon5 = S3C2410_LCDCON5_FRM565 \|
124	S3C2410_LCDCON5_INVVCLK \|
125	S3C2410_LCDCON5_INVVLINE \|
126	S3C2410_LCDCON5_INVVFRAME \|
127	S3C2410_LCDCON5_HWSWP \|
128	(0x02 << 13) \|
129	(0x02 << 15),
130
131	};
132
ecab01d4 VK	133	static int power_supply_init(struct device *dev)
	134	{
	135	return gpio_request(S3C2410_GPF(2), "cable plugged");
	136	}
	137
	138	static int rx1950_is_ac_online(void)
	139	{
	140	return !gpio_get_value(S3C2410_GPF(2));
	141	}
	142
	143	static void power_supply_exit(struct device *dev)
	144	{
	145	gpio_free(S3C2410_GPF(2));
	146	}
	147
	148	static char *rx1950_supplicants[] = {
	149	"main-battery"
	150	};
	151
	152	static struct pda_power_pdata power_supply_info = {
	153	.init = power_supply_init,
	154	.is_ac_online = rx1950_is_ac_online,
	155	.exit = power_supply_exit,
	156	.supplied_to = rx1950_supplicants,
	157	.num_supplicants = ARRAY_SIZE(rx1950_supplicants),
	158	};
	159
	160	static struct resource power_supply_resources[] = {
	161	[0] = {
	162	.name = "ac",
	163	.flags = IORESOURCE_IRQ \| IORESOURCE_IRQ_LOWEDGE \|
	164	IORESOURCE_IRQ_HIGHEDGE,
	165	.start = IRQ_EINT2,
	166	.end = IRQ_EINT2,
	167	},
	168	};
	169
	170	static struct platform_device power_supply = {
	171	.name = "pda-power",
	172	.id = -1,
	173	.dev = {
	174	.platform_data =
	175	&power_supply_info,
	176	},
	177	.resource = power_supply_resources,
	178	.num_resources = ARRAY_SIZE(power_supply_resources),
	179	};
	180
	181	static const struct s3c_adc_bat_thresh bat_lut_noac[] = {
	182	{ .volt = 4100, .cur = 156, .level = 100},
	183	{ .volt = 4050, .cur = 156, .level = 95},
	184	{ .volt = 4025, .cur = 141, .level = 90},
	185	{ .volt = 3995, .cur = 144, .level = 85},
	186	{ .volt = 3957, .cur = 162, .level = 80},
	187	{ .volt = 3931, .cur = 147, .level = 75},
	188	{ .volt = 3902, .cur = 147, .level = 70},
	189	{ .volt = 3863, .cur = 153, .level = 65},
	190	{ .volt = 3838, .cur = 150, .level = 60},
	191	{ .volt = 3800, .cur = 153, .level = 55},
	192	{ .volt = 3765, .cur = 153, .level = 50},
	193	{ .volt = 3748, .cur = 172, .level = 45},
	194	{ .volt = 3740, .cur = 153, .level = 40},
	195	{ .volt = 3714, .cur = 175, .level = 35},
	196	{ .volt = 3710, .cur = 156, .level = 30},
197	{ .volt = 3963, .cur = 156, .level = 25},
198	{ .volt = 3672, .cur = 178, .level = 20},
199	{ .volt = 3651, .cur = 178, .level = 15},
200	{ .volt = 3629, .cur = 178, .level = 10},
201	{ .volt = 3612, .cur = 162, .level = 5},
202	{ .volt = 3605, .cur = 162, .level = 0},
203	};
204
205	static const struct s3c_adc_bat_thresh bat_lut_acin[] = {
206	{ .volt = 4200, .cur = 0, .level = 100},
207	{ .volt = 4190, .cur = 0, .level = 99},
208	{ .volt = 4178, .cur = 0, .level = 95},
209	{ .volt = 4110, .cur = 0, .level = 70},
210	{ .volt = 4076, .cur = 0, .level = 65},
211	{ .volt = 4046, .cur = 0, .level = 60},
212	{ .volt = 4021, .cur = 0, .level = 55},
213	{ .volt = 3999, .cur = 0, .level = 50},
214	{ .volt = 3982, .cur = 0, .level = 45},
215	{ .volt = 3965, .cur = 0, .level = 40},
216	{ .volt = 3957, .cur = 0, .level = 35},
217	{ .volt = 3948, .cur = 0, .level = 30},
218	{ .volt = 3936, .cur = 0, .level = 25},
219	{ .volt = 3927, .cur = 0, .level = 20},
220	{ .volt = 3906, .cur = 0, .level = 15},
221	{ .volt = 3880, .cur = 0, .level = 10},
222	{ .volt = 3829, .cur = 0, .level = 5},
223	{ .volt = 3820, .cur = 0, .level = 0},
224	};
225
226	int rx1950_bat_init(void)
227	{
228	int ret;
229
230	ret = gpio_request(S3C2410_GPJ(2), "rx1950-charger-enable-1");
231	if (ret)
232	goto err_gpio1;
233	ret = gpio_request(S3C2410_GPJ(3), "rx1950-charger-enable-2");
234	if (ret)
235	goto err_gpio2;
236
237	return 0;
238
239	err_gpio2:
240	gpio_free(S3C2410_GPJ(2));
241	err_gpio1:
242	return ret;
243	}
244
245	void rx1950_bat_exit(void)
246	{
247	gpio_free(S3C2410_GPJ(2));
248	gpio_free(S3C2410_GPJ(3));
249	}
250
251	void rx1950_enable_charger(void)
252	{
253	gpio_direction_output(S3C2410_GPJ(2), 1);
254	gpio_direction_output(S3C2410_GPJ(3), 1);
255	}
256
257	void rx1950_disable_charger(void)
258	{
259	gpio_direction_output(S3C2410_GPJ(2), 0);
260	gpio_direction_output(S3C2410_GPJ(3), 0);
261	}
262
9c1a47cf VK	263	static struct gpio_led rx1950_leds_desc[] = {
	264	{
	265	.name = "Green",
	266	.default_trigger = "main-battery-charging-or-full",
	267	.gpio = S3C2410_GPA(6),
	268	},
	269	{
	270	.name = "Red",
	271	.default_trigger = "main-battery-full",
	272	.gpio = S3C2410_GPA(7),
	273	},
	274	{
	275	.name = "Blue",
	276	.default_trigger = "rx1950-acx-mem",
	277	.gpio = S3C2410_GPA(11),
	278	},
	279	};
	280
	281	static struct gpio_led_platform_data rx1950_leds_pdata = {
	282	.num_leds = ARRAY_SIZE(rx1950_leds_desc),
	283	.leds = rx1950_leds_desc,
	284	};
	285
	286	static struct platform_device rx1950_leds = {
	287	.name = "leds-gpio",
	288	.id = -1,
	289	.dev = {
	290	.platform_data = &rx1950_leds_pdata,
	291	},
	292	};
	293
ecab01d4 VK	294	static struct s3c_adc_bat_pdata rx1950_bat_cfg = {
	295	.init = rx1950_bat_init,
	296	.exit = rx1950_bat_exit,
	297	.enable_charger = rx1950_enable_charger,
	298	.disable_charger = rx1950_disable_charger,
	299	.gpio_charge_finished = S3C2410_GPF(3),
	300	.lut_noac = bat_lut_noac,
	301	.lut_noac_cnt = ARRAY_SIZE(bat_lut_noac),
	302	.lut_acin = bat_lut_acin,
	303	.lut_acin_cnt = ARRAY_SIZE(bat_lut_acin),
	304	.volt_channel = 0,
	305	.current_channel = 1,
	306	.volt_mult = 4235,
	307	.current_mult = 2900,
	308	.internal_impedance = 200,
	309	};
	310
	311	static struct platform_device rx1950_battery = {
	312	.name = "s3c-adc-battery",
	313	.id = -1,
	314	.dev = {
	315	.parent = &s3c_device_adc.dev,
	316	.platform_data = &rx1950_bat_cfg,
	317	},
	318	};
	319
c394f177 VK	320	static struct s3c2410fb_mach_info rx1950_lcd_cfg = {
	321	.displays = &rx1950_display,
	322	.num_displays = 1,
	323	.default_display = 0,
	324
	325	.lpcsel = 0x02,
	326	.gpccon = 0xaa9556a9,
	327	.gpccon_mask = 0xffc003fc,
	328	.gpcup = 0x0000ffff,
	329	.gpcup_mask = 0xffffffff,
	330
	331	.gpdcon = 0xaa90aaa1,
	332	.gpdcon_mask = 0xffc0fff0,
	333	.gpdup = 0x0000fcfd,
	334	.gpdup_mask = 0xffffffff,
	335
	336	};
	337
	338	static struct pwm_device *lcd_pwm;
	339
	340	void rx1950_lcd_power(int enable)
	341	{
	342	int i;
	343	static int enabled;
	344	if (enabled == enable)
	345	return;
	346	if (!enable) {
	347
	348	/* GPC11-GPC15->OUTPUT */
	349	for (i = 11; i < 16; i++)
	350	gpio_direction_output(S3C2410_GPC(i), 1);
	351
	352	/* Wait a bit here... */
	353	mdelay(100);
	354
	355	/* GPD2-GPD7->OUTPUT */
	356	/* GPD11-GPD15->OUTPUT */
	357	/* GPD2-GPD7->1, GPD11-GPD15->1 */
	358	for (i = 2; i < 8; i++)
	359	gpio_direction_output(S3C2410_GPD(i), 1);
	360	for (i = 11; i < 16; i++)
	361	gpio_direction_output(S3C2410_GPD(i), 1);
	362
	363	/* Wait a bit here...*/
	364	mdelay(100);
	365
	366	/* GPB0->OUTPUT, GPB0->0 */
	367	gpio_direction_output(S3C2410_GPB(0), 0);
	368
	369	/* GPC1-GPC4->OUTPUT, GPC1-4->0 */
	370	for (i = 1; i < 5; i++)
	371	gpio_direction_output(S3C2410_GPC(i), 0);
	372
	373	/* GPC15-GPC11->0 */
	374	for (i = 11; i < 16; i++)
	375	gpio_direction_output(S3C2410_GPC(i), 0);
	376
	377	/* GPD15-GPD11->0, GPD2->GPD7->0 */
	378	for (i = 11; i < 16; i++)
	379	gpio_direction_output(S3C2410_GPD(i), 0);
	380
	381	for (i = 2; i < 8; i++)
	382	gpio_direction_output(S3C2410_GPD(i), 0);
	383
384	/* GPC6->0, GPC7->0, GPC5->0 */
385	gpio_direction_output(S3C2410_GPC(6), 0);
386	gpio_direction_output(S3C2410_GPC(7), 0);
387	gpio_direction_output(S3C2410_GPC(5), 0);
388
389	/* GPB1->OUTPUT, GPB1->0 */
390	gpio_direction_output(S3C2410_GPB(1), 0);
391	pwm_config(lcd_pwm, 0, LCD_PWM_PERIOD);
392	pwm_disable(lcd_pwm);
393
394	/* GPC0->0, GPC10->0 */
395	gpio_direction_output(S3C2410_GPC(0), 0);
396	gpio_direction_output(S3C2410_GPC(10), 0);
397	} else {
398	pwm_config(lcd_pwm, LCD_PWM_DUTY, LCD_PWM_PERIOD);
399	pwm_enable(lcd_pwm);
400
401	gpio_direction_output(S3C2410_GPC(0), 1);
402	gpio_direction_output(S3C2410_GPC(5), 1);
403
404	s3c_gpio_cfgpin(S3C2410_GPB(1), S3C2410_GPB1_TOUT1);
405	gpio_direction_output(S3C2410_GPC(7), 1);
406
407	for (i = 1; i < 5; i++)
408	s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
409
410	for (i = 11; i < 16; i++)
411	s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
412
413	for (i = 2; i < 8; i++)
414	s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
415
416	for (i = 11; i < 16; i++)
417	s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
418
419	gpio_direction_output(S3C2410_GPC(10), 1);
420	gpio_direction_output(S3C2410_GPC(6), 1);
421	}
422	enabled = enable;
423	}
424
425	static void rx1950_bl_power(int enable)
426	{
427	static int enabled;
428	if (enabled == enable)
429	return;
430	if (!enable) {
431	gpio_direction_output(S3C2410_GPB(0), 0);
432	} else {
433	/* LED driver need a "push" to power on */
434	gpio_direction_output(S3C2410_GPB(0), 1);
435	/* Warm up backlight for one period of PWM.
436	* Without this trick its almost impossible to
437	* enable backlight with low brightness value
438	*/
439	ndelay(48000);
440	s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
441	}
442	enabled = enable;
443	}
444
445	static int rx1950_backlight_init(struct device *dev)
446	{
447	WARN_ON(gpio_request(S3C2410_GPB(0), "Backlight"));
448	lcd_pwm = pwm_request(1, "RX1950 LCD");
449	if (IS_ERR(lcd_pwm)) {
450	dev_err(dev, "Unable to request PWM for LCD power!\n");
451	return PTR_ERR(lcd_pwm);
452	}
453
454	rx1950_lcd_power(1);
455	rx1950_bl_power(1);
456
457	return 0;
458	}
459
460	static void rx1950_backlight_exit(struct device *dev)
461	{
462	rx1950_bl_power(0);
463	rx1950_lcd_power(0);
464
465	pwm_free(lcd_pwm);
466	gpio_free(S3C2410_GPB(0));
467	}
468
469
470	static int rx1950_backlight_notify(struct device *dev, int brightness)
471	{
472	if (!brightness) {
473	rx1950_bl_power(0);
474	rx1950_lcd_power(0);
475	} else {
476	rx1950_lcd_power(1);
477	rx1950_bl_power(1);
478	}
479	return brightness;
480	}
481
482	static struct platform_pwm_backlight_data rx1950_backlight_data = {
483	.pwm_id = 0,
484	.max_brightness = 24,
485	.dft_brightness = 4,
486	.pwm_period_ns = 48000,
487	.init = rx1950_backlight_init,
488	.notify = rx1950_backlight_notify,
489	.exit = rx1950_backlight_exit,
490	};
491
492	static struct platform_device rx1950_backlight = {
493	.name = "pwm-backlight",
494	.dev = {
495	.parent = &s3c_device_timer[0].dev,
496	.platform_data = &rx1950_backlight_data,
497	},
498	};
499
500	static void rx1950_set_mmc_power(unsigned char power_mode, unsigned short vdd)
501	{
502	switch (power_mode) {
503	case MMC_POWER_OFF:
504	gpio_direction_output(S3C2410_GPJ(1), 0);
505	break;
506	case MMC_POWER_UP:
507	case MMC_POWER_ON:
508	gpio_direction_output(S3C2410_GPJ(1), 1);
509	break;
510	default:
511	break;
512	}
513	}
514
515	static struct s3c24xx_mci_pdata rx1950_mmc_cfg __initdata = {
516	.gpio_detect = S3C2410_GPF(5),
517	.gpio_wprotect = S3C2410_GPH(8),
518	.set_power = rx1950_set_mmc_power,
519	.ocr_avail = MMC_VDD_32_33,
520	};
521
522	static struct mtd_partition rx1950_nand_part[] = {
523	[0] = {
524	.name = "Boot0",
525	.offset = 0,
526	.size = 0x4000,
527	.mask_flags = MTD_WRITEABLE,
528	},
529	[1] = {
530	.name = "Boot1",
531	.offset = MTDPART_OFS_APPEND,
532	.size = 0x40000,
533	.mask_flags = MTD_WRITEABLE,
534	},
535	[2] = {
536	.name = "Kernel",
537	.offset = MTDPART_OFS_APPEND,
538	.size = 0x300000,
539	.mask_flags = 0,
540	},
541	[3] = {
542	.name = "Filesystem",
543	.offset = MTDPART_OFS_APPEND,
544	.size = MTDPART_SIZ_FULL,
545	.mask_flags = 0,
546	},
547	};
548
549	static struct s3c2410_nand_set rx1950_nand_sets[] = {
550	[0] = {
551	.name = "Internal",
552	.nr_chips = 1,
553	.nr_partitions = ARRAY_SIZE(rx1950_nand_part),
554	.partitions = rx1950_nand_part,
555	},
556	};
557
558	static struct s3c2410_platform_nand rx1950_nand_info = {
559	.tacls = 25,
560	.twrph0 = 50,
561	.twrph1 = 15,
562	.nr_sets = ARRAY_SIZE(rx1950_nand_sets),
563	.sets = rx1950_nand_sets,
564	};
565
566	static void rx1950_udc_pullup(enum s3c2410_udc_cmd_e cmd)
567	{
568	switch (cmd) {
569	case S3C2410_UDC_P_ENABLE:
570	gpio_direction_output(S3C2410_GPJ(5), 1);
571	break;
572	case S3C2410_UDC_P_DISABLE:
573	gpio_direction_output(S3C2410_GPJ(5), 0);
574	break;
575	case S3C2410_UDC_P_RESET:
576	break;
577	default:
578	break;
579	}
580	}
581
582	static struct s3c2410_udc_mach_info rx1950_udc_cfg __initdata = {
583	.udc_command = rx1950_udc_pullup,
584	.vbus_pin = S3C2410_GPG(5),
585	.vbus_pin_inverted = 1,
586	};
587
588	static struct s3c2410_ts_mach_info rx1950_ts_cfg __initdata = {
589	.delay = 10000,
590	.presc = 49,
591	.oversampling_shift = 3,
592	};
593
594	static struct gpio_keys_button rx1950_gpio_keys_table[] = {
595	{
596	.code = KEY_POWER,
597	.gpio = S3C2410_GPF(0),
598	.active_low = 1,
599	.desc = "Power button",
600	.wakeup = 1,
601	},
602	{
603	.code = KEY_F5,
604	.gpio = S3C2410_GPF(7),
605	.active_low = 1,
606	.desc = "Record button",
607	},
608	{
609	.code = KEY_F1,
610	.gpio = S3C2410_GPG(0),
611	.active_low = 1,
612	.desc = "Calendar button",
613	},
614	{
615	.code = KEY_F2,
616	.gpio = S3C2410_GPG(2),
617	.active_low = 1,
618	.desc = "Contacts button",
619	},
620	{
621	.code = KEY_F3,
622	.gpio = S3C2410_GPG(3),
623	.active_low = 1,
624	.desc = "Mail button",
625	},
626	{
627	.code = KEY_F4,
628	.gpio = S3C2410_GPG(7),
629	.active_low = 1,
630	.desc = "WLAN button",
631	},
632	{
633	.code = KEY_LEFT,
634	.gpio = S3C2410_GPG(10),
635	.active_low = 1,
636	.desc = "Left button",
637	},
638	{
639	.code = KEY_RIGHT,
640	.gpio = S3C2410_GPG(11),
641	.active_low = 1,
642	.desc = "Right button",
643	},
644	{
645	.code = KEY_UP,
646	.gpio = S3C2410_GPG(4),
647	.active_low = 1,
648	.desc = "Up button",
649	},
650	{
651	.code = KEY_DOWN,
652	.gpio = S3C2410_GPG(6),
653	.active_low = 1,
654	.desc = "Down button",
655	},
656	{
657	.code = KEY_ENTER,
658	.gpio = S3C2410_GPG(9),
659	.active_low = 1,
660	.desc = "Ok button"
661	},
662	};
663
664	static struct gpio_keys_platform_data rx1950_gpio_keys_data = {
665	.buttons = rx1950_gpio_keys_table,
666	.nbuttons = ARRAY_SIZE(rx1950_gpio_keys_table),
667	};
668
669	static struct platform_device rx1950_device_gpiokeys = {
670	.name = "gpio-keys",
671	.dev.platform_data = &rx1950_gpio_keys_data,
672	};
673
674	static struct s3c2410_platform_i2c rx1950_i2c_data = {
675	.flags = 0,
676	.slave_addr = 0x42,
677	.frequency = 400 * 1000,
678	.sda_delay = S3C2410_IICLC_SDA_DELAY5 \| S3C2410_IICLC_FILTER_ON,
679	};
680
681	static struct platform_device *rx1950_devices[] __initdata = {
682	&s3c_device_lcd,
683	&s3c_device_wdt,
684	&s3c_device_i2c0,
685	&s3c_device_iis,
686	&s3c_device_usbgadget,
687	&s3c_device_rtc,
688	&s3c_device_nand,
689	&s3c_device_sdi,
690	&s3c_device_adc,
691	&s3c_device_ts,
692	&s3c_device_timer[0],
693	&s3c_device_timer[1],
694	&rx1950_backlight,
695	&rx1950_device_gpiokeys,
ecab01d4 VK	696	&power_supply,
ecab01d4 VK	697	&rx1950_battery,
9c1a47cf	698	&rx1950_leds,
c394f177 VK	699	};
	700
	701	static struct clk *rx1950_clocks[] __initdata = {
	702	&s3c24xx_clkout0,
	703	&s3c24xx_clkout1,
	704	};
	705
	706	static void __init rx1950_map_io(void)
	707	{
	708	s3c24xx_clkout0.parent = &clk_h;
	709	s3c24xx_clkout1.parent = &clk_f;
	710
	711	s3c24xx_register_clocks(rx1950_clocks, ARRAY_SIZE(rx1950_clocks));
	712
	713	s3c24xx_init_io(rx1950_iodesc, ARRAY_SIZE(rx1950_iodesc));
	714	s3c24xx_init_clocks(16934000);
	715	s3c24xx_init_uarts(rx1950_uartcfgs, ARRAY_SIZE(rx1950_uartcfgs));
	716
	717	/* setup PM */
	718
	719	#ifdef CONFIG_PM_H1940
	720	memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 8);
	721	#endif
	722
	723	s3c_pm_init();
	724	}
	725
	726	static void __init rx1950_init_machine(void)
	727	{
	728	int i;
	729
	730	s3c24xx_fb_set_platdata(&rx1950_lcd_cfg);
	731	s3c24xx_udc_set_platdata(&rx1950_udc_cfg);
	732	s3c24xx_ts_set_platdata(&rx1950_ts_cfg);
	733	s3c24xx_mci_set_platdata(&rx1950_mmc_cfg);
	734	s3c_i2c0_set_platdata(&rx1950_i2c_data);
	735	s3c_nand_set_platdata(&rx1950_nand_info);
	736
	737	/* Turn off suspend on both USB ports, and switch the
	738	* selectable USB port to USB device mode. */
	739	s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST \|
	740	S3C2410_MISCCR_USBSUSPND0 \|
	741	S3C2410_MISCCR_USBSUSPND1, 0x0);
	742
	743	WARN_ON(gpio_request(S3C2410_GPJ(5), "UDC pullup"));
	744	gpio_direction_output(S3C2410_GPJ(5), 0);
	745
	746	/* mmc power is disabled by default */
	747	WARN_ON(gpio_request(S3C2410_GPJ(1), "MMC power"));
	748	gpio_direction_output(S3C2410_GPJ(1), 0);
	749
	750	for (i = 0; i < 8; i++)
	751	WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
	752
	753	for (i = 10; i < 16; i++)
	754	WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
	755
	756	for (i = 2; i < 8; i++)
	757	WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
	758
	759	for (i = 11; i < 16; i++)
	760	WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
	761
	762	WARN_ON(gpio_request(S3C2410_GPB(1), "LCD power"));
763
764	platform_add_devices(rx1950_devices, ARRAY_SIZE(rx1950_devices));
765	}
766
98c672cf RK	767	/* H1940 and RX3715 need to reserve this for suspend */
	768	static void __init rx1950_reserve(void)
	769	{
8d717a52 RK	770	memblock_reserve(0x30003000, 0x1000);
8d717a52 RK	771	memblock_reserve(0x30081000, 0x1000);
98c672cf RK	772	}
98c672cf RK	773
c394f177 VK	774	MACHINE_START(RX1950, "HP iPAQ RX1950")
	775	/* Maintainers: Vasily Khoruzhick */
	776	.phys_io = S3C2410_PA_UART,
	777	.io_pg_offst = (((u32) S3C24XX_VA_UART) >> 18) & 0xfffc,
	778	.boot_params = S3C2410_SDRAM_PA + 0x100,
	779	.map_io = rx1950_map_io,
98c672cf	780	.reserve = rx1950_reserve,
c394f177 VK	781	.init_irq = s3c24xx_init_irq,
	782	.init_machine = rx1950_init_machine,
	783	.timer = &s3c24xx_timer,
	784	MACHINE_END