phy: Add Exynos 5250 support to the Exynos USB 2.0 PHY driver

Add support for Exynos 5250. This driver is to replace the old
USB 2.0 PHY driver.
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>

Documentation/devicetree/bindings/phy/samsung-phy.txt

@@ -28,6 +28,7 @@ Required properties:
 - compatible : should be one of the listed compatibles:
 	- "samsung,exynos4210-usb2-phy"
 	- "samsung,exynos4x12-usb2-phy"
+	- "samsung,exynos5250-usb2-phy"
 - reg : a list of registers used by phy driver
 	- first and obligatory is the location of phy modules registers
 - samsung,sysreg-phandle - handle to syscon used to control the system registers

drivers/phy/Kconfig

@@ -136,4 +136,15 @@ config PHY_EXYNOS4X12_USB2
 	  Samsung USB 2.0 PHY driver is enabled and means that support for this
 	  particular SoC is compiled in the driver. In case of Exynos 4x12 four
 	  phys are available - device, host, HSIC0 and HSIC1.
+
+config PHY_EXYNOS5250_USB2
+	bool "Support for Exynos 5250"
+	depends on PHY_SAMSUNG_USB2
+	depends on SOC_EXYNOS5250
+	help
+	  Enable USB PHY support for Exynos 5250. This option requires that
+	  Samsung USB 2.0 PHY driver is enabled and means that support for this
+	  particular SoC is compiled in the driver. In case of Exynos 5250 four
+	  phys are available - device, host, HSIC0 and HSIC.
+
 endmenu

drivers/phy/Makefile

@@ -15,3 +15,4 @@ obj-$(CONFIG_PHY_SUN4I_USB)		+= phy-sun4i-usb.o
 obj-$(CONFIG_PHY_SAMSUNG_USB2)		+= phy-samsung-usb2.o
 obj-$(CONFIG_PHY_EXYNOS4210_USB2)	+= phy-exynos4210-usb2.o
 obj-$(CONFIG_PHY_EXYNOS4X12_USB2)	+= phy-exynos4x12-usb2.o
+obj-$(CONFIG_PHY_EXYNOS5250_USB2)	+= phy-exynos5250-usb2.o

drivers/phy/phy-samsung-usb2.c

@@ -98,6 +98,12 @@ static const struct of_device_id samsung_usb2_phy_of_match[] = {
 		.compatible = "samsung,exynos4x12-usb2-phy",
 		.data = &exynos4x12_usb2_phy_config,
 	},
+#endif
+#ifdef CONFIG_PHY_EXYNOS5250_USB2
+	{
+		.compatible = "samsung,exynos5250-usb2-phy",
+		.data = &exynos5250_usb2_phy_config,
+	},
 #endif
 	{ },
 };

drivers/phy/phy-samsung-usb2.h

@@ -63,4 +63,5 @@ struct samsung_usb2_phy_config {
 
 extern const struct samsung_usb2_phy_config exynos4210_usb2_phy_config;
 extern const struct samsung_usb2_phy_config exynos4x12_usb2_phy_config;
+extern const struct samsung_usb2_phy_config exynos5250_usb2_phy_config;
 #endif