path: root/arch/arm/mach-exynos/mach-exynos5-dt.c

/*
 * SAMSUNG EXYNOS5250 Flattened Device Tree enabled machine
 *
 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
 *		http://www.samsung.com
 *
 * 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.
*/

#define EXYNOS_MIPI_DRIVER
#define TC358764_PANEL  0
#define SE68AA0_PANEL   !TC358764_PANEL

#include <linux/of_platform.h>
#include <linux/of_fdt.h>
#include <linux/serial_core.h>
#include <linux/memblock.h>
#include <linux/of_fdt.h>
#include <linux/io.h>
#include <linux/pwm_backlight.h>
#include <linux/gpio.h>

#include <asm/mach/arch.h>
#include <asm/hardware/gic.h>
#include <mach/map.h>
#include <mach/regs-pmu.h>

#ifdef EXYNOS_MIPI_DRIVER
#include <video/exynos_mipi_dsim.h>
#else
#include <plat/dsim.h>
#endif
#include <plat/cpu.h>
#include <plat/regs-serial.h>
#include <plat/mfc.h>
#include <plat/backlight.h>
#include <plat/gpio-cfg.h>
#include <plat/fb.h>

#ifdef EXYNOS_MIPI_DRIVER
#include <linux/lcd.h>
#else
 #include <video/platform_lcd.h>
#endif

#include "common.h"

#if TC358764_PANEL
static struct mipi_dsim_config dsim_info = {
	.e_interface		= DSIM_VIDEO,
	.e_pixel_format		= DSIM_24BPP_888,
	/* main frame fifo auto flush at VSYNC pulse */
	.auto_flush		= false,
	.eot_disable		= false,
	.auto_vertical_cnt	= false,
	.hse			= false,
	.hfp			= false,
	.hbp			= false,
	.hsa			= false,

	.e_no_data_lane		= DSIM_DATA_LANE_4,
	.e_byte_clk		= DSIM_PLL_OUT_DIV8,
	.e_burst_mode		= DSIM_BURST,

	.p			= 3,
	.m			= 115,
	.s			= 1,

	/* D-PHY PLL stable time spec :min = 200usec ~ max 400usec */
	.pll_stable_time	= 500,

	.esc_clk		= 0.4 * 1000000, /* escape clk : 10MHz */

	/* stop state holding counter after bta change count 0 ~ 0xfff */
	.stop_holding_cnt	= 0x0f,
	.bta_timeout		= 0xff,		/* bta timeout 0 ~ 0xff */
	.rx_timeout		= 0xffff,	/* lp rx timeout 0 ~ 0xffff */
#ifdef EXYNOS_MIPI_DRIVER
        .e_virtual_ch           = DSIM_VIRTUAL_CH_0, /* :SAB */
        .cmd_allow              = 0xf,  /* :SAB */
#else
 	.dsim_ddi_pd = &tc358764_mipi_lcd_driver,
#endif
};
#else
static struct mipi_dsim_config dsim_info = {
	.e_interface		= DSIM_VIDEO,
	.e_pixel_format		= DSIM_24BPP_888,
	/* main frame fifo auto flush at VSYNC pulse */
	.auto_flush		= false,
	.eot_disable		= false,
	.auto_vertical_cnt	= true,
	.hse			= false,
	.hfp			= false,
	.hbp			= false,
	.hsa			= false,

	.e_no_data_lane		= DSIM_DATA_LANE_4,
	.e_byte_clk		= DSIM_PLL_OUT_DIV8,
	.e_burst_mode		= DSIM_BURST,

	.p			= 3,
	.m			= 115,
	.s			= 1,

	/* D-PHY PLL stable time spec :min = 200usec ~ max 400usec */
	.pll_stable_time	= 500,

	.esc_clk		= 7 * 1000000, /* escape clk : 10MHz */

	/* stop state holding counter after bta change count 0 ~ 0xfff */
	.stop_holding_cnt	= 0x0fff,
	.bta_timeout		= 0xff,		/* bta timeout 0 ~ 0xff */
	.rx_timeout		= 0xffff,	/* lp rx timeout 0 ~ 0xffff */
#ifdef EXYNOS_MIPI_DRIVER
        .e_virtual_ch           = DSIM_VIRTUAL_CH_0, /* :SAB */
        .cmd_allow              = 0xf,  /* :SAB */
#else
 	.dsim_ddi_pd = &tc358764_mipi_lcd_driver,
#endif
};

#endif

#if TC358764_PANEL
static struct fb_videomode tc358764_lcd_panel_info = {
        .left_margin    = 0x4,
        .right_margin   = 0x4,
        .upper_margin   = 0x4,
        .lower_margin   = 0x4,
        .hsync_len      = 0x4,
        .vsync_len      = 0x4,
        .xres           = 1280,
        .yres           = 800,
};
#elif SE68AA0_PANEL
static struct fb_videomode s6e8ax0_lcd_panel_info = {
        .left_margin    = 11,
        .right_margin   = 11,
        .upper_margin   = 3,
        .lower_margin   = 3,
        .hsync_len      = 2,
        .vsync_len      = 2,
        .xres           = 800,
        .yres           = 1280,
};
#endif

static int exynos_dsim_enable_d_phy(struct platform_device *pdev, bool enable)
{
        unsigned int reg;
#if defined(CONFIG_ARCH_EXYNOS5)
        reg = readl(S5P_MIPI_DPHY_CONTROL(1)) & ~(1 << 0);
        reg |= (enable << 0);
        writel(reg, S5P_MIPI_DPHY_CONTROL(1));
#else
        reg = readl(S5P_MIPI_DPHY_CONTROL(0)) & ~(1 << 0);
        reg |= (enable << 0);
        writel(reg, S5P_MIPI_DPHY_CONTROL(0));
#endif
        return 0;
}

static int exynos_dsim_enable_dsi_master(struct platform_device *pdev, bool enable)
{
        unsigned int reg;
#if defined(CONFIG_ARCH_EXYNOS5)
        reg = readl(S5P_MIPI_DPHY_CONTROL(1)) & ~(1 << 2);
        reg |= (enable << 2);
        writel(reg, S5P_MIPI_DPHY_CONTROL(1));
#else
        reg = readl(S5P_MIPI_DPHY_CONTROL(0)) & ~(1 << 2);
        reg |= (enable << 2);
        writel(reg, S5P_MIPI_DPHY_CONTROL(0));
#endif
        return 0;
}

int exynos_dsim_init_d_phy(struct platform_device *pdev, bool enable)
{
        /**
         * DPHY and aster block must be enabled at the system initialization
         * step before data access from/to DPHY begins.
         */
        exynos_dsim_enable_d_phy(pdev, enable);
        exynos_dsim_enable_dsi_master(pdev, enable);

        return 0;
}

#ifdef EXYNOS_MIPI_DRIVER
static int panel_set_power(struct lcd_device *ld, int power)
#else
static void panel_set_power(struct plat_lcd_data *pd,
 			unsigned int power)
#endif
{
	static int bPowerOn;

	if (power == bPowerOn)
		return 0;

	bPowerOn = power;

		/* reset */
		gpio_request_one(EXYNOS5_GPX1(5), GPIOF_OUT_INIT_HIGH, "GPX1");
		mdelay(20);
		gpio_set_value(EXYNOS5_GPX1(5), 0);
		mdelay(20);
		gpio_set_value(EXYNOS5_GPX1(5), 1);
		mdelay(20);
		gpio_free(EXYNOS5_GPX1(5));
		mdelay(20);

        return 0;

}
#if TC358764_PANEL
static struct mipi_dsim_platform_data tc358764_mipi_dsim_platform_data = {
        .lcd_panel_name = "tc358764",
        .dsim_config = &dsim_info,
        .enabled = 0,
        .lcd_panel_info = &tc358764_lcd_panel_info,
        .phy_enable = s5p_dsim_init_d_phy,
};
#elif SE68AA0_PANEL
static struct mipi_dsim_platform_data tc358764_mipi_dsim_platform_data = {
        .lcd_panel_name = "s6e8ax0",
        .dsim_config = &dsim_info,
        .enabled = 0,
        .lcd_panel_info = &s6e8ax0_lcd_panel_info,
        .phy_enable = exynos_dsim_init_d_phy,
};
#endif
static int dummy_lcd_reset(struct lcd_device *ld)
{
        return 1;
}

/* toshiba LVDS-MIPI */
#if TC358764_PANEL
static struct lcd_platform_data tc358764_lcd_platform_data = {
        .reset                  = dummy_lcd_reset,
        .power_on               = panel_set_power,
        .lcd_enabled            = 1,
        .reset_delay            = 120,  /* 120ms */
        .power_on_delay         = 25,   /* 25ms */
        .power_off_delay        = 200,  /* 200ms */
};

static struct mipi_dsim_lcd_device tc358764_mipi_dsim_lcd_device = {
       .name   = "tc358764",
       .id     = -1,
       .bus_id = 0,
       .platform_data  = (void *)&tc358764_lcd_platform_data,
};

#elif SE68AA0_PANEL
static void mipi_lcd_set_power(struct lcd_device *ld, unsigned int power)
{
	if (0/*samsung_rev() >= EXYNOS5250_REV_1_0*/) {
		if (!gpio_request(EXYNOS5_GPD1(5), "GPD1")) {
			s3c_gpio_cfgpin(EXYNOS5_GPD1(5), S3C_GPIO_SFN(1));
			gpio_direction_output(EXYNOS5_GPD1(5), 0);
			gpio_direction_output(EXYNOS5_GPD1(5), 1);
			gpio_free(EXYNOS5_GPD1(5));
		}
	}
	/* reset */
	gpio_request_one(EXYNOS5_GPX1(5), GPIOF_OUT_INIT_HIGH, "GPX1");

	msleep(20);
	if (power) {
		/* fire nRESET on power up */
		gpio_set_value(EXYNOS5_GPX1(5), 0);
		msleep(20);
		gpio_set_value(EXYNOS5_GPX1(5), 1);
		msleep(20);
		gpio_free(EXYNOS5_GPX1(5));
	} else {
		/* fire nRESET on power off */
		gpio_set_value(EXYNOS5_GPX1(5), 0);
		msleep(20);
		gpio_set_value(EXYNOS5_GPX1(5), 1);
		msleep(20);
		gpio_free(EXYNOS5_GPX1(5));
	}
	msleep(20);
	/* power */
	gpio_request_one(EXYNOS5_GPX3(0), GPIOF_OUT_INIT_LOW, "GPX3");
	if (power) {
		/* fire nRESET on power up */
		gpio_set_value(EXYNOS5_GPX3(0), 1);
		gpio_free(EXYNOS5_GPX3(0));
	} else {
		/* fire nRESET on power off */
		gpio_set_value(EXYNOS5_GPX3(0), 0);
		gpio_free(EXYNOS5_GPX3(0));
	}

#ifndef CONFIG_BACKLIGHT_PWM
	/* backlight */
	gpio_request_one(EXYNOS5_GPB2(0), GPIOF_OUT_INIT_LOW, "GPB2");
	if (power) {
		/* fire nRESET on power up */
		gpio_set_value(EXYNOS5_GPB2(0), 1);
		gpio_free(EXYNOS5_GPB2(0));
	} else {
		/* fire nRESET on power off */
		gpio_set_value(EXYNOS5_GPB2(0), 0);
		gpio_free(EXYNOS5_GPB2(0));
	}
#endif /* CONFIG_BACKLIGHT_PWM */
}

static struct lcd_platform_data s6e8ax0_lcd_platform_data = {
        .reset                  = dummy_lcd_reset,
        .power_on               = mipi_lcd_set_power,
        .lcd_enabled            = 1,
        .reset_delay            = 120,  /* 120ms */
        .power_on_delay         = 25,   /* 25ms */
        .power_off_delay        = 200,  /* 200ms */
};

static struct mipi_dsim_lcd_device s6e8ax0_mipi_dsim_lcd_device = {
       .name   = "s6e8ax0",
       .id     = -1,
       .bus_id = 0,
       .platform_data  = (void *)&s6e8ax0_lcd_platform_data,
};

#endif


#if 0
static int smdk5250_match_fb(struct plat_lcd_data *pd, struct fb_info *info)
{
	/* Don't call .set_power callback while unblanking */
	return 0;
}
static struct plat_lcd_data smdk5250_lcd_data = {
	.set_power	= __lcd_set_power,
	.match_fb	= smdk5250_match_fb,
};

static struct platform_device smdk5250_lcd = {
	.name			= "platform-lcd",
	.dev.platform_data	= &smdk5250_lcd_data,
};
#endif
static struct resource exynos_dsim_resource[] = {
	[0] = {
		.start = 0x14500000,
		.end   = 0x14500000 + 0x10000 - 1,
		.flags = IORESOURCE_MEM,
	},
	[1] = {
		.start = 82,
		.end   = 82,
		.flags = IORESOURCE_IRQ,
	},
};

struct platform_device exynos_device_mipi_dsim = {
	.name			= "exynos-mipi-dsim",
	.id			= 0,
	.num_resources		= ARRAY_SIZE(exynos_dsim_resource),
	.resource		= exynos_dsim_resource,
	.dev			= {
		.platform_data	= &tc358764_mipi_dsim_platform_data,
	},
};


static int smdk5250_bl_notify(struct device *unused, int brightness)
{
	/* manage lcd_bl_en signal */
	if (brightness)
		gpio_set_value(EXYNOS5_GPX3(0), 1);
	else
		gpio_set_value(EXYNOS5_GPX3(0), 0);

	return brightness;
}

/* LCD Backlight data */
static struct samsung_bl_gpio_info smdk5250_bl_gpio_info = {
	.no	= EXYNOS5_GPB2(0),
	.func	= S3C_GPIO_SFN(2),
};

static struct platform_pwm_backlight_data smdk5250_bl_data = {
	.pwm_period_ns	= 1000000,
	.notify		= smdk5250_bl_notify,
};
/*
 * The following lookup table is used to override device names when devices
 * are registered from device tree. This is temporarily added to enable
 * device tree support addition for the EXYNOS5 architecture.
 *
 * For drivers that require platform data to be provided from the machine
 * file, a platform data pointer can also be supplied along with the
 * devices names. Usually, the platform data elements that cannot be parsed
 * from the device tree by the drivers (example: function pointers) are
 * supplied. But it should be noted that this is a temporary mechanism and
 * at some point, the drivers should be capable of parsing all the platform
 * data from the device tree.
 */
static const struct of_dev_auxdata exynos5250_auxdata_lookup[] __initconst = {
	OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS5_PA_UART0,
				"exynos4210-uart.0", NULL),
	OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS5_PA_UART1,
				"exynos4210-uart.1", NULL),
	OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS5_PA_UART2,
				"exynos4210-uart.2", NULL),
	OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS5_PA_UART3,
				"exynos4210-uart.3", NULL),
	OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(0),
				"s3c2440-i2c.0", NULL),
	OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(1),
				"s3c2440-i2c.1", NULL),
	OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(2),
				"s3c2440-i2c.2", NULL),
	OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(3),
				"s3c2440-i2c.3", NULL),
	OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(4),
				"s3c2440-i2c.4", NULL),
	OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(5),
				"s3c2440-i2c.5", NULL),
	OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(6),
				"s3c2440-i2c.6", NULL),
	OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(7),
				"s3c2440-i2c.7", NULL),
	OF_DEV_AUXDATA("samsung,s3c2440-hdmiphy-i2c", EXYNOS5_PA_IIC(8),
				"s3c2440-hdmiphy-i2c", NULL),
	OF_DEV_AUXDATA("samsung,exynos5250-dw-mshc", EXYNOS5_PA_DWMCI0,
				"dw_mmc.0", NULL),
	OF_DEV_AUXDATA("samsung,exynos5250-dw-mshc", EXYNOS5_PA_DWMCI1,
				"dw_mmc.1", NULL),
	OF_DEV_AUXDATA("samsung,exynos5250-dw-mshc", EXYNOS5_PA_DWMCI2,
				"dw_mmc.2", NULL),
	OF_DEV_AUXDATA("samsung,exynos5250-dw-mshc", EXYNOS5_PA_DWMCI3,
				"dw_mmc.3", NULL),
	OF_DEV_AUXDATA("samsung,exynos4210-spi", EXYNOS5_PA_SPI0,
				"exynos4210-spi.0", NULL),
	OF_DEV_AUXDATA("samsung,exynos4210-spi", EXYNOS5_PA_SPI1,
				"exynos4210-spi.1", NULL),
	OF_DEV_AUXDATA("samsung,exynos4210-spi", EXYNOS5_PA_SPI2,
				"exynos4210-spi.2", NULL),
	OF_DEV_AUXDATA("samsung,exynos5-sata-ahci", 0x122F0000,
				"exynos5-sata", NULL),
	OF_DEV_AUXDATA("samsung,exynos5-sata-phy", 0x12170000,
				"exynos5-sata-phy", NULL),
	OF_DEV_AUXDATA("samsung,exynos5-sata-phy-i2c", 0x121D0000,
				"exynos5-sata-phy-i2c", NULL),
	OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_PDMA0, "dma-pl330.0", NULL),
	OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_PDMA1, "dma-pl330.1", NULL),
	OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_MDMA1, "dma-pl330.2", NULL),
	OF_DEV_AUXDATA("samsung,exynos5-gsc", EXYNOS5_PA_GSC0,
				"exynos-gsc.0", NULL),
	OF_DEV_AUXDATA("samsung,exynos5-gsc", EXYNOS5_PA_GSC1,
				"exynos-gsc.1", NULL),
	OF_DEV_AUXDATA("samsung,exynos5-gsc", EXYNOS5_PA_GSC2,
				"exynos-gsc.2", NULL),
	OF_DEV_AUXDATA("samsung,exynos5-gsc", EXYNOS5_PA_GSC3,
				"exynos-gsc.3", NULL),
	OF_DEV_AUXDATA("samsung,exynos5-hdmi", 0x14530000,
				"exynos5-hdmi", NULL),
	OF_DEV_AUXDATA("samsung,exynos5-mixer", 0x14450000,
				"exynos5-mixer", NULL),
	OF_DEV_AUXDATA("samsung,exynos5-fimd", EXYNOS5_PA_FIMD1,
				"exynos5-fb.1", NULL),

	OF_DEV_AUXDATA("samsung,exynos5-mipi", 0x14500000,
					"exynos-mipi-dsim", &tc358764_mipi_dsim_platform_data),

	OF_DEV_AUXDATA("samsung,exynos5-dp", EXYNOS5_PA_DP, "exynos-dp", NULL),
	OF_DEV_AUXDATA("samsung,mfc-v6", 0x11000000, "s5p-mfc-v6", NULL),
	OF_DEV_AUXDATA("samsung,exynos5250-tmu", 0x10060000,
				"exynos-tmu", NULL),
	OF_DEV_AUXDATA("samsung,samsung-i2s", 0x03830000,
				"samsung-i2s.0", NULL),
	OF_DEV_AUXDATA("samsung,samsung-i2s", 0x12D60000,
				"samsung-i2s.1", NULL),
	OF_DEV_AUXDATA("samsung,samsung-i2s", 0x12D70000,
				"samsung-i2s.2", NULL),
	OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x11210000,
			"exynos-sysmmu.0", "mfc"), /* MFC_L */
	OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x11200000,
			"exynos-sysmmu.1", "mfc"), /* MFC_R */
	OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x14650000,
			"exynos-sysmmu.2", NULL), /* TV */
	OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x11F20000,
			"exynos-sysmmu.3", "jpeg"), /* JPEG */
	OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x11D40000,
			"exynos-sysmmu.4", NULL), /* ROTATOR */
	OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x13E80000,
			"exynos-sysmmu.5", "gscl"), /* GSCL0 */
	OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x13E90000,
			"exynos-sysmmu.6", "gscl"), /* GSCL1 */
	OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x13EA0000,
			"exynos-sysmmu.7", "gscl"), /* GSCL2 */
	OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x13EB0000,
			"exynos-sysmmu.8", "gscl"), /* GSCL3 */
	OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x13260000,
			"exynos-sysmmu.9", NULL), /* FIMC-IS0 */
	OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x132C0000,
			"exynos-sysmmu.10", NULL), /* FIMC-IS1 */
	OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x14640000,
			"exynos-sysmmu.11", NULL), /* FIMD1 */
	OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x13C40000,
			"exynos-sysmmu.12", NULL), /* FIMC-LITE0 */
	OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x13C50000,
			"exynos-sysmmu.13", NULL), /* FIMC-LITE1 */
	OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x10A60000,
			"exynos-sysmmu.14", NULL), /* G2D */
	{},
};

static const struct of_dev_auxdata exynos5440_auxdata_lookup[] __initconst = {
	OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS5440_PA_UART0,
				"exynos4210-uart.0", NULL),
	{},
};

static void __init exynos5_dt_map_io(void)
{
	unsigned long root = of_get_flat_dt_root();

	exynos_init_io(NULL, 0);

	if (of_flat_dt_is_compatible(root, "samsung,exynos5250"))
		s3c24xx_init_clocks(24000000);
}

static void __init exynos5_dt_machine_init(void)
{
	struct device_node *i2c_np;
	const char *i2c_compat = "samsung,s3c2440-i2c";
	unsigned int tmp;

	/*
	 * Exynos5's legacy i2c controller and new high speed i2c
	 * controller have muxed interrupt sources. By default the
	 * interrupts for 4-channel HS-I2C controller are enabled.
	 * If node for first four channels of legacy i2c controller
	 * are available then re-configure the interrupts via the
	 * system register.
	 */
	for_each_compatible_node(i2c_np, NULL, i2c_compat) {
		if (of_device_is_available(i2c_np)) {
			if (of_alias_get_id(i2c_np, "i2c") < 4) {
				tmp = readl(EXYNOS5_SYS_I2C_CFG);
				writel(tmp & ~(0x1 << of_alias_get_id(i2c_np, "i2c")),
						EXYNOS5_SYS_I2C_CFG);
			}
		}
	}

	if (of_machine_is_compatible("samsung,exynos5250")) {
		gpio_request_one(EXYNOS5_GPX3(0), GPIOF_OUT_INIT_HIGH,
								"lcd_bl_en");
		samsung_bl_set(&smdk5250_bl_gpio_info, &smdk5250_bl_data);
		of_platform_populate(NULL, of_default_bus_match_table,
				     exynos5250_auxdata_lookup, NULL);
		exynos5_fimd1_gpio_setup_24bpp();
	}
	else if (of_machine_is_compatible("samsung,exynos5440"))
		of_platform_populate(NULL, of_default_bus_match_table,
				     exynos5440_auxdata_lookup, NULL);


#ifdef EXYNOS_MIPI_DRIVER
#if TC358764_PANEL
        pr_err("v  MIPI:SAB exynos_mipi_dsi_register_lcd_device from exynos5_dt.c file ");
        pr_err("v MIPI:SAB register_ldc_device_name: %s", tc358764_mipi_dsim_lcd_device.name);
        exynos_mipi_dsi_register_lcd_device(&tc358764_mipi_dsim_lcd_device);
#else
	pr_err("v  MIPI:SAB exynos_mipi_dsi_register_lcd_device from exynos5_dt.c file ");
        pr_err("v  MIPI:SAB register_ldc_device_name: %s", s6e8ax0_mipi_dsim_lcd_device.name);
        exynos_mipi_dsi_register_lcd_device(&s6e8ax0_mipi_dsim_lcd_device);
#endif
#endif
}

static char const *exynos5_dt_compat[] __initdata = {
	"samsung,exynos5250",
	"samsung,exynos5440",
	NULL
};

static void __init exynos5_reserve(void)
{
	struct s5p_mfc_dt_meminfo mfc_mem;

	/* Reserve memory for MFC only if it's available */
	mfc_mem.compatible = "samsung,mfc-v6";
	if (of_scan_flat_dt(s5p_fdt_find_mfc_mem, &mfc_mem))
		s5p_mfc_reserve_mem(mfc_mem.roff, mfc_mem.rsize, mfc_mem.loff,
				mfc_mem.lsize);
}

DT_MACHINE_START(EXYNOS5_DT, "SAMSUNG EXYNOS5 (Flattened Device Tree)")
	/* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
	.init_irq	= exynos5_init_irq,
	.smp		= smp_ops(exynos_smp_ops),
	.map_io		= exynos5_dt_map_io,
	.handle_irq	= gic_handle_irq,
	.init_machine	= exynos5_dt_machine_init,
	.init_late	= exynos_init_late,
	.timer		= &exynos4_timer,
	.dt_compat	= exynos5_dt_compat,
	.restart        = exynos5_restart,
	.reserve	= exynos5_reserve,
MACHINE_END