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