ARM: EXYNOS4: Add usb ehci device to the SMDKV310

This patch is to support usb ehci device to the SMDKV310 board.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/mach-exynos4/Kconfig

@@ -142,6 +142,7 @@ config MACH_SMDKV310
 	select S5P_DEV_I2C_HDMIPHY
 	select S5P_DEV_MFC
 	select S5P_DEV_TV
+	select S5P_DEV_USB_EHCI
 	select S3C_DEV_HSMMC
 	select S3C_DEV_HSMMC1
 	select S3C_DEV_HSMMC2
@@ -156,6 +157,7 @@ config MACH_SMDKV310
 	select EXYNOS4_SETUP_I2C1
 	select EXYNOS4_SETUP_KEYPAD
 	select EXYNOS4_SETUP_SDHCI
+	select EXYNOS4_SETUP_USB_PHY
 	help
 	  Machine support for Samsung SMDKV310
 

arch/arm/mach-exynos4/mach-smdkv310.c

@@ -33,6 +33,8 @@
 #include <plat/gpio-cfg.h>
 #include <plat/backlight.h>
 #include <plat/mfc.h>
+#include <plat/ehci.h>
+#include <plat/clock.h>
 
 #include <mach/map.h>
 
@@ -167,6 +169,16 @@ static struct i2c_board_info i2c_devs1[] __initdata = {
 	{I2C_BOARD_INFO("wm8994", 0x1a),},
 };
 
+/* USB EHCI */
+static struct s5p_ehci_platdata smdkv310_ehci_pdata;
+
+static void __init smdkv310_ehci_init(void)
+{
+	struct s5p_ehci_platdata *pdata = &smdkv310_ehci_pdata;
+
+	s5p_ehci_set_platdata(pdata);
+}
+
 static struct platform_device *smdkv310_devices[] __initdata = {
 	&s3c_device_hsmmc0,
 	&s3c_device_hsmmc1,
@@ -176,6 +188,7 @@ static struct platform_device *smdkv310_devices[] __initdata = {
 	&s5p_device_i2c_hdmiphy,
 	&s3c_device_rtc,
 	&s3c_device_wdt,
+	&s5p_device_ehci,
 	&exynos4_device_ac97,
 	&exynos4_device_i2s0,
 	&samsung_device_keypad,
@@ -276,6 +289,9 @@ static void __init smdkv310_machine_init(void)
 
 	samsung_bl_set(&smdkv310_bl_gpio_info, &smdkv310_bl_data);
 
+	smdkv310_ehci_init();
+	clk_xusbxti.rate = 24000000;
+
 	platform_add_devices(smdkv310_devices, ARRAY_SIZE(smdkv310_devices));
 	s5p_device_mfc.dev.parent = &exynos4_device_pd[PD_MFC].dev;
 }