[deliverable/linux.git] / arch / arm / mach-s3c64xx / mach-smartq.c

/*
 * linux/arch/arm/mach-s3c64xx/mach-smartq.c
 *
 * Copyright (C) 2010 Maurus Cuelenaere
 *
 * 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/delay.h>
#include <linux/fb.h>
#include <linux/gpio.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/pwm_backlight.h>
#include <linux/serial_core.h>
#include <linux/serial_s3c.h>
#include <linux/spi/spi_gpio.h>
#include <linux/usb/gpio_vbus.h>
#include <linux/platform_data/s3c-hsotg.h>

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

#include <mach/map.h>
#include <mach/regs-gpio.h>
#include <mach/gpio-samsung.h>

#include <plat/clock.h>
#include <plat/cpu.h>
#include <plat/devs.h>
#include <linux/platform_data/i2c-s3c2410.h>
#include <plat/gpio-cfg.h>
#include <linux/platform_data/hwmon-s3c.h>
#include <linux/platform_data/usb-ohci-s3c2410.h>
#include <plat/sdhci.h>
#include <linux/platform_data/touchscreen-s3c2410.h>

#include <video/platform_lcd.h>
#include <plat/samsung-time.h>

#include "common.h"
#include "regs-modem.h"

#define UCON S3C2410_UCON_DEFAULT
#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE)
#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)

static struct s3c2410_uartcfg smartq_uartcfgs[] __initdata = {
	[0] = {
		.hwport	     = 0,
		.flags	     = 0,
		.ucon	     = UCON,
		.ulcon	     = ULCON,
		.ufcon	     = UFCON,
	},
	[1] = {
		.hwport	     = 1,
		.flags	     = 0,
		.ucon	     = UCON,
		.ulcon	     = ULCON,
		.ufcon	     = UFCON,
	},
	[2] = {
		.hwport	     = 2,
		.flags	     = 0,
		.ucon	     = UCON,
		.ulcon	     = ULCON,
		.ufcon	     = UFCON,
	},
};

static void smartq_usb_host_powercontrol(int port, int to)
{
	pr_debug("%s(%d, %d)\n", __func__, port, to);

	if (port == 0) {
		gpio_set_value(S3C64XX_GPL(0), to);
		gpio_set_value(S3C64XX_GPL(1), to);
	}
}

static irqreturn_t smartq_usb_host_ocirq(int irq, void *pw)
{
	struct s3c2410_hcd_info *info = pw;

	if (gpio_get_value(S3C64XX_GPL(10)) == 0) {
		pr_debug("%s: over-current irq (oc detected)\n", __func__);
		s3c2410_usb_report_oc(info, 3);
	} else {
		pr_debug("%s: over-current irq (oc cleared)\n", __func__);
		s3c2410_usb_report_oc(info, 0);
	}

	return IRQ_HANDLED;
}

static void smartq_usb_host_enableoc(struct s3c2410_hcd_info *info, int on)
{
	int ret;

	/* This isn't present on a SmartQ 5 board */
	if (machine_is_smartq5())
		return;

	if (on) {
		ret = request_irq(gpio_to_irq(S3C64XX_GPL(10)),
				  smartq_usb_host_ocirq,
				  IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
				  "USB host overcurrent", info);
		if (ret != 0)
			pr_err("failed to request usb oc irq: %d\n", ret);
	} else {
		free_irq(gpio_to_irq(S3C64XX_GPL(10)), info);
	}
}

static struct s3c2410_hcd_info smartq_usb_host_info = {
	.port[0]	= {
		.flags	= S3C_HCDFLG_USED
	},
	.port[1]	= {
		.flags	= 0
	},

	.power_control	= smartq_usb_host_powercontrol,
	.enable_oc	= smartq_usb_host_enableoc,
};

static struct gpio_vbus_mach_info smartq_usb_otg_vbus_pdata = {
	.gpio_vbus		= S3C64XX_GPL(9),
	.gpio_pullup		= -1,
	.gpio_vbus_inverted	= true,
};

static struct platform_device smartq_usb_otg_vbus_dev = {
	.name			= "gpio-vbus",
	.dev.platform_data	= &smartq_usb_otg_vbus_pdata,
};

static int smartq_bl_init(struct device *dev)
{
    s3c_gpio_cfgpin(S3C64XX_GPF(15), S3C_GPIO_SFN(2));

    return 0;
}

static struct platform_pwm_backlight_data smartq_backlight_data = {
	.pwm_id		= 1,
	.max_brightness	= 1000,
	.dft_brightness	= 600,
	.pwm_period_ns	= 1000000000 / (1000 * 20),
	.enable_gpio	= -1,
	.init		= smartq_bl_init,
};

static struct platform_device smartq_backlight_device = {
	.name		= "pwm-backlight",
	.dev		= {
		.parent	= &samsung_device_pwm.dev,
		.platform_data = &smartq_backlight_data,
	},
};

static struct s3c2410_ts_mach_info smartq_touchscreen_pdata __initdata = {
	.delay			= 65535,
	.presc			= 99,
	.oversampling_shift	= 4,
};

static struct s3c_sdhci_platdata smartq_internal_hsmmc_pdata = {
	.max_width		= 4,
	.cd_type		= S3C_SDHCI_CD_PERMANENT,
};

static struct s3c_hwmon_pdata smartq_hwmon_pdata __initdata = {
	/* Battery voltage (?-4.2V) */
	.in[0] = &(struct s3c_hwmon_chcfg) {
		.name		= "smartq:battery-voltage",
		.mult		= 3300,
		.div		= 2048,
	},
	/* Reference voltage (1.2V) */
	.in[1] = &(struct s3c_hwmon_chcfg) {
		.name		= "smartq:reference-voltage",
		.mult		= 3300,
		.div		= 4096,
	},
};

static struct s3c_hsotg_plat smartq_hsotg_pdata;

static int __init smartq_lcd_setup_gpio(void)
{
	int ret;

	ret = gpio_request(S3C64XX_GPM(3), "LCD power");
	if (ret < 0)
		return ret;

	/* turn power off */
	gpio_direction_output(S3C64XX_GPM(3), 0);

	return 0;
}

/* GPM0 -> CS */
static struct spi_gpio_platform_data smartq_lcd_control = {
	.sck			= S3C64XX_GPM(1),
	.mosi			= S3C64XX_GPM(2),
	.miso			= S3C64XX_GPM(2),
};

static struct platform_device smartq_lcd_control_device = {
	.name			= "spi-gpio",
	.id			= 1,
	.dev.platform_data	= &smartq_lcd_control,
};

static void smartq_lcd_power_set(struct plat_lcd_data *pd, unsigned int power)
{
	gpio_direction_output(S3C64XX_GPM(3), power);
}

static struct plat_lcd_data smartq_lcd_power_data = {
	.set_power	= smartq_lcd_power_set,
};

static struct platform_device smartq_lcd_power_device = {
	.name			= "platform-lcd",
	.dev.parent		= &s3c_device_fb.dev,
	.dev.platform_data	= &smartq_lcd_power_data,
};

static struct i2c_board_info smartq_i2c_devs[] __initdata = {
	{ I2C_BOARD_INFO("wm8987", 0x1a), },
};

static struct platform_device *smartq_devices[] __initdata = {
	&s3c_device_hsmmc1,	/* Init iNAND first, ... */
	&s3c_device_hsmmc0,	/* ... then the external SD card */
	&s3c_device_hsmmc2,
	&s3c_device_adc,
	&s3c_device_fb,
	&s3c_device_hwmon,
	&s3c_device_i2c0,
	&s3c_device_ohci,
	&s3c_device_rtc,
	&samsung_device_pwm,
	&s3c_device_ts,
	&s3c_device_usb_hsotg,
	&s3c64xx_device_iis0,
	&smartq_backlight_device,
	&smartq_lcd_control_device,
	&smartq_lcd_power_device,
	&smartq_usb_otg_vbus_dev,
};

static void __init smartq_lcd_mode_set(void)
{
	u32 tmp;

	/* set the LCD type */
	tmp = __raw_readl(S3C64XX_SPCON);
	tmp &= ~S3C64XX_SPCON_LCD_SEL_MASK;
	tmp |= S3C64XX_SPCON_LCD_SEL_RGB;
	__raw_writel(tmp, S3C64XX_SPCON);

	/* remove the LCD bypass */
	tmp = __raw_readl(S3C64XX_MODEM_MIFPCON);
	tmp &= ~MIFPCON_LCD_BYPASS;
	__raw_writel(tmp, S3C64XX_MODEM_MIFPCON);
}

static void smartq_power_off(void)
{
	gpio_direction_output(S3C64XX_GPK(15), 1);
}

static int __init smartq_power_off_init(void)
{
	int ret;

	ret = gpio_request(S3C64XX_GPK(15), "Power control");
	if (ret < 0) {
		pr_err("%s: failed to get GPK15\n", __func__);
		return ret;
	}

	/* leave power on */
	gpio_direction_output(S3C64XX_GPK(15), 0);

	pm_power_off = smartq_power_off;

	return ret;
}

static int __init smartq_usb_host_init(void)
{
	int ret;

	ret = gpio_request(S3C64XX_GPL(0), "USB power control");
	if (ret < 0) {
		pr_err("%s: failed to get GPL0\n", __func__);
		return ret;
	}

	ret = gpio_request(S3C64XX_GPL(1), "USB host power control");
	if (ret < 0) {
		pr_err("%s: failed to get GPL1\n", __func__);
		goto err;
	}

	if (!machine_is_smartq5()) {
		/* This isn't present on a SmartQ 5 board */
		ret = gpio_request(S3C64XX_GPL(10), "USB host overcurrent");
		if (ret < 0) {
			pr_err("%s: failed to get GPL10\n", __func__);
			goto err2;
		}
	}

	/* turn power off */
	gpio_direction_output(S3C64XX_GPL(0), 0);
	gpio_direction_output(S3C64XX_GPL(1), 0);
	if (!machine_is_smartq5())
		gpio_direction_input(S3C64XX_GPL(10));

	s3c_device_ohci.dev.platform_data = &smartq_usb_host_info;

	return 0;

err2:
	gpio_free(S3C64XX_GPL(1));
err:
	gpio_free(S3C64XX_GPL(0));
	return ret;
}

static int __init smartq_wifi_init(void)
{
	int ret;

	ret = gpio_request(S3C64XX_GPK(1), "wifi control");
	if (ret < 0) {
		pr_err("%s: failed to get GPK1\n", __func__);
		return ret;
	}

	ret = gpio_request(S3C64XX_GPK(2), "wifi reset");
	if (ret < 0) {
		pr_err("%s: failed to get GPK2\n", __func__);
		gpio_free(S3C64XX_GPK(1));
		return ret;
	}

	/* turn power on */
	gpio_direction_output(S3C64XX_GPK(1), 1);

	/* reset device */
	gpio_direction_output(S3C64XX_GPK(2), 0);
	mdelay(100);
	gpio_set_value(S3C64XX_GPK(2), 1);
	gpio_direction_input(S3C64XX_GPK(2));

	return 0;
}

static struct map_desc smartq_iodesc[] __initdata = {};
void __init smartq_map_io(void)
{
	s3c64xx_init_io(smartq_iodesc, ARRAY_SIZE(smartq_iodesc));
	s3c64xx_set_xtal_freq(12000000);
	s3c64xx_set_xusbxti_freq(12000000);
	s3c24xx_init_uarts(smartq_uartcfgs, ARRAY_SIZE(smartq_uartcfgs));
	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);

	smartq_lcd_mode_set();
}

void __init smartq_machine_init(void)
{
	s3c_i2c0_set_platdata(NULL);
	s3c_hsotg_set_platdata(&smartq_hsotg_pdata);
	s3c_hwmon_set_platdata(&smartq_hwmon_pdata);
	s3c_sdhci1_set_platdata(&smartq_internal_hsmmc_pdata);
	s3c_sdhci2_set_platdata(&smartq_internal_hsmmc_pdata);
	s3c24xx_ts_set_platdata(&smartq_touchscreen_pdata);

	i2c_register_board_info(0, smartq_i2c_devs,
				ARRAY_SIZE(smartq_i2c_devs));

	WARN_ON(smartq_lcd_setup_gpio());
	WARN_ON(smartq_power_off_init());
	WARN_ON(smartq_usb_host_init());
	WARN_ON(smartq_wifi_init());

	platform_add_devices(smartq_devices, ARRAY_SIZE(smartq_devices));
}
Commit	Line	Data
a2f7bffa MC	1	/*
	2	* linux/arch/arm/mach-s3c64xx/mach-smartq.c
	3	*
	4	* Copyright (C) 2010 Maurus Cuelenaere
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License version 2 as
	8	* published by the Free Software Foundation.
	9	*
	10	*/
	11
	12	#include <linux/delay.h>
	13	#include <linux/fb.h>
	14	#include <linux/gpio.h>
	15	#include <linux/init.h>
	16	#include <linux/platform_device.h>
	17	#include <linux/pwm_backlight.h>
	18	#include <linux/serial_core.h>
334a1c70	19	#include <linux/serial_s3c.h>
49f91b9e	20	#include <linux/spi/spi_gpio.h>
a2f7bffa	21	#include <linux/usb/gpio_vbus.h>
126625e1	22	#include <linux/platform_data/s3c-hsotg.h>
a2f7bffa MC	23
	24	#include <asm/mach-types.h>
	25	#include <asm/mach/map.h>
	26
	27	#include <mach/map.h>
	28	#include <mach/regs-gpio.h>
b0161caa	29	#include <mach/gpio-samsung.h>
a2f7bffa MC	30
	31	#include <plat/clock.h>
	32	#include <plat/cpu.h>
	33	#include <plat/devs.h>
436d42c6	34	#include <linux/platform_data/i2c-s3c2410.h>
a2f7bffa	35	#include <plat/gpio-cfg.h>
436d42c6	36	#include <linux/platform_data/hwmon-s3c.h>
436d42c6	37	#include <linux/platform_data/usb-ohci-s3c2410.h>
a2f7bffa	38	#include <plat/sdhci.h>
436d42c6	39	#include <linux/platform_data/touchscreen-s3c2410.h>
a2f7bffa MC	40
a2f7bffa MC	41	#include <video/platform_lcd.h>
04a49b71	42	#include <plat/samsung-time.h>
a2f7bffa	43
b024043b	44	#include "common.h"
a81c1970	45	#include "regs-modem.h"
b024043b	46
a2f7bffa MC	47	#define UCON S3C2410_UCON_DEFAULT
	48	#define ULCON (S3C2410_LCON_CS8 \| S3C2410_LCON_PNONE)
	49	#define UFCON (S3C2410_UFCON_RXTRIG8 \| S3C2410_UFCON_FIFOMODE)
	50
	51	static struct s3c2410_uartcfg smartq_uartcfgs[] __initdata = {
	52	[0] = {
	53	.hwport = 0,
	54	.flags = 0,
	55	.ucon = UCON,
	56	.ulcon = ULCON,
	57	.ufcon = UFCON,
	58	},
	59	[1] = {
	60	.hwport = 1,
	61	.flags = 0,
	62	.ucon = UCON,
	63	.ulcon = ULCON,
	64	.ufcon = UFCON,
	65	},
	66	[2] = {
	67	.hwport = 2,
	68	.flags = 0,
	69	.ucon = UCON,
	70	.ulcon = ULCON,
	71	.ufcon = UFCON,
	72	},
	73	};
	74
	75	static void smartq_usb_host_powercontrol(int port, int to)
	76	{
	77	pr_debug("%s(%d, %d)\n", __func__, port, to);
	78
	79	if (port == 0) {
	80	gpio_set_value(S3C64XX_GPL(0), to);
	81	gpio_set_value(S3C64XX_GPL(1), to);
	82	}
	83	}
	84
	85	static irqreturn_t smartq_usb_host_ocirq(int irq, void *pw)
	86	{
	87	struct s3c2410_hcd_info *info = pw;
	88
	89	if (gpio_get_value(S3C64XX_GPL(10)) == 0) {
	90	pr_debug("%s: over-current irq (oc detected)\n", __func__);
	91	s3c2410_usb_report_oc(info, 3);
	92	} else {
	93	pr_debug("%s: over-current irq (oc cleared)\n", __func__);
	94	s3c2410_usb_report_oc(info, 0);
	95	}
	96
	97	return IRQ_HANDLED;
	98	}
	99
	100	static void smartq_usb_host_enableoc(struct s3c2410_hcd_info *info, int on)
	101	{
	102	int ret;
	103
	104	/* This isn't present on a SmartQ 5 board */
	105	if (machine_is_smartq5())
	106	return;
	107
	108	if (on) {
	109	ret = request_irq(gpio_to_irq(S3C64XX_GPL(10)),
fa53d5cd	110	smartq_usb_host_ocirq,
a2f7bffa MC	111	IRQF_TRIGGER_RISING \| IRQF_TRIGGER_FALLING,
	112	"USB host overcurrent", info);
	113	if (ret != 0)
	114	pr_err("failed to request usb oc irq: %d\n", ret);
	115	} else {
	116	free_irq(gpio_to_irq(S3C64XX_GPL(10)), info);
	117	}
	118	}
	119
	120	static struct s3c2410_hcd_info smartq_usb_host_info = {
	121	.port[0] = {
	122	.flags = S3C_HCDFLG_USED
	123	},
	124	.port[1] = {
	125	.flags = 0
	126	},
	127
	128	.power_control = smartq_usb_host_powercontrol,
	129	.enable_oc = smartq_usb_host_enableoc,
	130	};
	131
	132	static struct gpio_vbus_mach_info smartq_usb_otg_vbus_pdata = {
	133	.gpio_vbus = S3C64XX_GPL(9),
	134	.gpio_pullup = -1,
	135	.gpio_vbus_inverted = true,
	136	};
	137
	138	static struct platform_device smartq_usb_otg_vbus_dev = {
	139	.name = "gpio-vbus",
	140	.dev.platform_data = &smartq_usb_otg_vbus_pdata,
	141	};
	142
9e978f09	143	static int smartq_bl_init(struct device *dev)
a2f7bffa MC	144	{
	145	s3c_gpio_cfgpin(S3C64XX_GPF(15), S3C_GPIO_SFN(2));
	146
	147	return 0;
	148	}
	149
	150	static struct platform_pwm_backlight_data smartq_backlight_data = {
	151	.pwm_id = 1,
	152	.max_brightness = 1000,
	153	.dft_brightness = 600,
	154	.pwm_period_ns = 1000000000 / (1000 * 20),
a63652f1	155	.enable_gpio = -1,
a2f7bffa MC	156	.init = smartq_bl_init,
	157	};
	158
	159	static struct platform_device smartq_backlight_device = {
	160	.name = "pwm-backlight",
	161	.dev = {
7fa33bdb	162	.parent = &samsung_device_pwm.dev,
a2f7bffa MC	163	.platform_data = &smartq_backlight_data,
	164	},
	165	};
	166
	167	static struct s3c2410_ts_mach_info smartq_touchscreen_pdata __initdata = {
	168	.delay = 65535,
	169	.presc = 99,
	170	.oversampling_shift = 4,
	171	};
	172
	173	static struct s3c_sdhci_platdata smartq_internal_hsmmc_pdata = {
	174	.max_width = 4,
eeda5fcb	175	.cd_type = S3C_SDHCI_CD_PERMANENT,
a2f7bffa MC	176	};
	177
	178	static struct s3c_hwmon_pdata smartq_hwmon_pdata __initdata = {
	179	/* Battery voltage (?-4.2V) */
	180	.in[0] = &(struct s3c_hwmon_chcfg) {
	181	.name = "smartq:battery-voltage",
	182	.mult = 3300,
	183	.div = 2048,
	184	},
	185	/* Reference voltage (1.2V) */
	186	.in[1] = &(struct s3c_hwmon_chcfg) {
	187	.name = "smartq:reference-voltage",
	188	.mult = 3300,
	189	.div = 4096,
	190	},
	191	};
	192
99f6e1f5 JS	193	static struct s3c_hsotg_plat smartq_hsotg_pdata;
99f6e1f5 JS	194
49f91b9e MC	195	static int __init smartq_lcd_setup_gpio(void)
	196	{
	197	int ret;
	198
	199	ret = gpio_request(S3C64XX_GPM(3), "LCD power");
	200	if (ret < 0)
	201	return ret;
	202
	203	/* turn power off */
	204	gpio_direction_output(S3C64XX_GPM(3), 0);
	205
	206	return 0;
	207	}
	208
	209	/* GPM0 -> CS */
	210	static struct spi_gpio_platform_data smartq_lcd_control = {
	211	.sck = S3C64XX_GPM(1),
	212	.mosi = S3C64XX_GPM(2),
	213	.miso = S3C64XX_GPM(2),
	214	};
	215
	216	static struct platform_device smartq_lcd_control_device = {
	217	.name = "spi-gpio",
	218	.id = 1,
	219	.dev.platform_data = &smartq_lcd_control,
	220	};
	221
a2f7bffa MC	222	static void smartq_lcd_power_set(struct plat_lcd_data *pd, unsigned int power)
	223	{
	224	gpio_direction_output(S3C64XX_GPM(3), power);
	225	}
	226
	227	static struct plat_lcd_data smartq_lcd_power_data = {
	228	.set_power = smartq_lcd_power_set,
	229	};
	230
	231	static struct platform_device smartq_lcd_power_device = {
	232	.name = "platform-lcd",
	233	.dev.parent = &s3c_device_fb.dev,
	234	.dev.platform_data = &smartq_lcd_power_data,
	235	};
	236
4e13c0ea MC	237	static struct i2c_board_info smartq_i2c_devs[] __initdata = {
	238	{ I2C_BOARD_INFO("wm8987", 0x1a), },
	239	};
	240
a2f7bffa MC	241	static struct platform_device *smartq_devices[] __initdata = {
	242	&s3c_device_hsmmc1, /* Init iNAND first, ... */
	243	&s3c_device_hsmmc0, /* ... then the external SD card */
	244	&s3c_device_hsmmc2,
	245	&s3c_device_adc,
	246	&s3c_device_fb,
	247	&s3c_device_hwmon,
	248	&s3c_device_i2c0,
	249	&s3c_device_ohci,
	250	&s3c_device_rtc,
7fa33bdb	251	&samsung_device_pwm,
a2f7bffa MC	252	&s3c_device_ts,
a2f7bffa MC	253	&s3c_device_usb_hsotg,
4e13c0ea	254	&s3c64xx_device_iis0,
a2f7bffa	255	&smartq_backlight_device,
49f91b9e	256	&smartq_lcd_control_device,
a2f7bffa MC	257	&smartq_lcd_power_device,
	258	&smartq_usb_otg_vbus_dev,
	259	};
	260
	261	static void __init smartq_lcd_mode_set(void)
	262	{
	263	u32 tmp;
	264
	265	/* set the LCD type */
	266	tmp = __raw_readl(S3C64XX_SPCON);
	267	tmp &= ~S3C64XX_SPCON_LCD_SEL_MASK;
	268	tmp \|= S3C64XX_SPCON_LCD_SEL_RGB;
	269	__raw_writel(tmp, S3C64XX_SPCON);
	270
	271	/* remove the LCD bypass */
	272	tmp = __raw_readl(S3C64XX_MODEM_MIFPCON);
	273	tmp &= ~MIFPCON_LCD_BYPASS;
	274	__raw_writel(tmp, S3C64XX_MODEM_MIFPCON);
	275	}
	276
	277	static void smartq_power_off(void)
	278	{
	279	gpio_direction_output(S3C64XX_GPK(15), 1);
	280	}
	281
	282	static int __init smartq_power_off_init(void)
	283	{
	284	int ret;
	285
	286	ret = gpio_request(S3C64XX_GPK(15), "Power control");
	287	if (ret < 0) {
	288	pr_err("%s: failed to get GPK15\n", __func__);
	289	return ret;
	290	}
	291
	292	/* leave power on */
	293	gpio_direction_output(S3C64XX_GPK(15), 0);
	294
a2f7bffa MC	295	pm_power_off = smartq_power_off;
	296
	297	return ret;
	298	}
	299
	300	static int __init smartq_usb_host_init(void)
	301	{
	302	int ret;
	303
	304	ret = gpio_request(S3C64XX_GPL(0), "USB power control");
	305	if (ret < 0) {
	306	pr_err("%s: failed to get GPL0\n", __func__);
	307	return ret;
	308	}
	309
	310	ret = gpio_request(S3C64XX_GPL(1), "USB host power control");
	311	if (ret < 0) {
	312	pr_err("%s: failed to get GPL1\n", __func__);
	313	goto err;
	314	}
	315
	316	if (!machine_is_smartq5()) {
	317	/* This isn't present on a SmartQ 5 board */
	318	ret = gpio_request(S3C64XX_GPL(10), "USB host overcurrent");
	319	if (ret < 0) {
	320	pr_err("%s: failed to get GPL10\n", __func__);
	321	goto err2;
	322	}
	323	}
	324
	325	/* turn power off */
	326	gpio_direction_output(S3C64XX_GPL(0), 0);
	327	gpio_direction_output(S3C64XX_GPL(1), 0);
	328	if (!machine_is_smartq5())
	329	gpio_direction_input(S3C64XX_GPL(10));
	330
	331	s3c_device_ohci.dev.platform_data = &smartq_usb_host_info;
	332
	333	return 0;
	334
	335	err2:
	336	gpio_free(S3C64XX_GPL(1));
	337	err:
	338	gpio_free(S3C64XX_GPL(0));
	339	return ret;
	340	}
	341
a2f7bffa MC	342	static int __init smartq_wifi_init(void)
	343	{
	344	int ret;
	345
	346	ret = gpio_request(S3C64XX_GPK(1), "wifi control");
	347	if (ret < 0) {
	348	pr_err("%s: failed to get GPK1\n", __func__);
	349	return ret;
	350	}
	351
	352	ret = gpio_request(S3C64XX_GPK(2), "wifi reset");
	353	if (ret < 0) {
	354	pr_err("%s: failed to get GPK2\n", __func__);
	355	gpio_free(S3C64XX_GPK(1));
	356	return ret;
	357	}
	358
	359	/* turn power on */
	360	gpio_direction_output(S3C64XX_GPK(1), 1);
	361
	362	/* reset device */
	363	gpio_direction_output(S3C64XX_GPK(2), 0);
	364	mdelay(100);
	365	gpio_set_value(S3C64XX_GPK(2), 1);
	366	gpio_direction_input(S3C64XX_GPK(2));
	367
	368	return 0;
	369	}
	370
	371	static struct map_desc smartq_iodesc[] __initdata = {};
	372	void __init smartq_map_io(void)
	373	{
	374	s3c64xx_init_io(smartq_iodesc, ARRAY_SIZE(smartq_iodesc));
b69f460d TF	375	s3c64xx_set_xtal_freq(12000000);
b69f460d TF	376	s3c64xx_set_xusbxti_freq(12000000);
a2f7bffa	377	s3c24xx_init_uarts(smartq_uartcfgs, ARRAY_SIZE(smartq_uartcfgs));
04a49b71	378	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
a2f7bffa MC	379
	380	smartq_lcd_mode_set();
	381	}
	382
	383	void __init smartq_machine_init(void)
	384	{
	385	s3c_i2c0_set_platdata(NULL);
99f6e1f5	386	s3c_hsotg_set_platdata(&smartq_hsotg_pdata);
a2f7bffa MC	387	s3c_hwmon_set_platdata(&smartq_hwmon_pdata);
	388	s3c_sdhci1_set_platdata(&smartq_internal_hsmmc_pdata);
	389	s3c_sdhci2_set_platdata(&smartq_internal_hsmmc_pdata);
	390	s3c24xx_ts_set_platdata(&smartq_touchscreen_pdata);
	391
4e13c0ea MC	392	i2c_register_board_info(0, smartq_i2c_devs,
	393	ARRAY_SIZE(smartq_i2c_devs));
	394
49f91b9e	395	WARN_ON(smartq_lcd_setup_gpio());
a2f7bffa MC	396	WARN_ON(smartq_power_off_init());
a2f7bffa MC	397	WARN_ON(smartq_usb_host_init());
a2f7bffa MC	398	WARN_ON(smartq_wifi_init());
	399
	400	platform_add_devices(smartq_devices, ARRAY_SIZE(smartq_devices));
	401	}