ARM: dts: enable ahci sata and sata phy for exynos5250

This patch adds dt entry for ahci sata controller and its
corresponding phy controller.phy node has been added w.r.t
new generic phy framework.
Signed-off-by: Yuvaraj Kumar C D <yuvaraj.cd@samsung.com>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

Documentation/devicetree/bindings/ata/exynos-sata-phy.txt

-* Samsung SATA PHY Controller
-
-SATA PHY nodes are defined to describe on-chip SATA Physical layer controllers.
-Each SATA PHY controller should have its own node.
-
-Required properties:
-- compatible        : compatible list, contains "samsung,exynos5-sata-phy"
-- reg               : <registers mapping>
-
-Example:
-        sata@ffe07000 {
-                compatible = "samsung,exynos5-sata-phy";
-                reg = <0xffe07000 0x1000>;
-        };

Documentation/devicetree/bindings/ata/exynos-sata.txt

@@ -4,14 +4,21 @@ SATA nodes are defined to describe on-chip Serial ATA controllers.
 Each SATA controller should have its own node.
 
 Required properties:
-- compatible        : compatible list, contains "samsung,exynos5-sata"
-- interrupts        : <interrupt mapping for SATA IRQ>
-- reg               : <registers mapping>
-- samsung,sata-freq : <frequency in MHz>
+- compatible		: compatible list, contains "samsung,exynos5-sata"
+- interrupts		: <interrupt mapping for SATA IRQ>
+- reg			: <registers mapping>
+- samsung,sata-freq	: <frequency in MHz>
+- phys			: as mentioned in phy-bindings.txt
+- phy-names		: as mentioned in phy-bindings.txt
 
 Example:
-        sata@ffe08000 {
-                compatible = "samsung,exynos5-sata";
-                reg = <0xffe08000 0x1000>;
-                interrupts = <115>;
-        };
+	sata@122f0000 {
+		compatible = "snps,dwc-ahci";
+		samsung,sata-freq = <66>;
+		reg = <0x122f0000 0x1ff>;
+		interrupts = <0 115 0>;
+		clocks = <&clock 277>, <&clock 143>;
+		clock-names = "sata", "sclk_sata";
+		phys = <&sata_phy>;
+		phy-names = "sata-phy";
+	};

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

@@ -20,3 +20,39 @@ Required properties:
 - compatible : should be "samsung,exynos5250-dp-video-phy";
 - reg : offset and length of the Display Port PHY register set;
 - #phy-cells : from the generic PHY bindings, must be 0;
+
+Samsung SATA PHY Controller
+---------------------------
+
+SATA PHY nodes are defined to describe on-chip SATA Physical layer controllers.
+Each SATA PHY controller should have its own node.
+
+Required properties:
+- compatible        : compatible list, contains "samsung,exynos5250-sata-phy"
+- reg : offset and length of the SATA PHY register set;
+- #phy-cells : from the generic phy bindings;
+
+Example:
+	sata_phy: sata-phy@12170000 {
+		compatible = "samsung,exynos5250-sata-phy";
+		reg = <0x12170000 0x1ff>;
+		clocks = <&clock 287>;
+		clock-names = "sata_phyctrl";
+		#phy-cells = <0>;
+		samsung,exynos-sataphy-i2c-phandle = <&sata_phy_i2c>;
+		samsung,syscon-phandle = <&pmu_syscon>;
+	};
+
+Device-Tree bindings for sataphy i2c client driver
+--------------------------------------------------
+
+Required properties:
+compatible: Should be "samsung,exynos-sataphy-i2c"
+- reg: I2C address of the sataphy i2c device.
+
+Example:
+
+	sata_phy_i2c:sata-phy@38 {
+		compatible = "samsung,exynos-sataphy-i2c";
+		reg = <0x38>;
+	};

arch/arm/boot/dts/exynos5250-arndale.dts

@@ -374,6 +374,27 @@ hdmiphy@38 {
 		};
 	};
 
+	i2c@121D0000 {
+		status = "okay";
+		samsung,i2c-sda-delay = <100>;
+		samsung,i2c-max-bus-freq = <40000>;
+		samsung,i2c-slave-addr = <0x38>;
+
+		sata_phy_i2c:sata-phy@38 {
+			compatible = "samsung,exynos-sataphy-i2c";
+			reg = <0x38>;
+		};
+	};
+
+	sata@122F0000 {
+		status = "okay";
+	};
+
+	sata-phy@12170000 {
+		status = "okay";
+		samsung,exynos-sataphy-i2c-phandle = <&sata_phy_i2c>;
+	};
+
 	mmc_0: mmc@12200000 {
 		status = "okay";
 		num-slots = <1>;

arch/arm/boot/dts/exynos5250-smdk5250.dts

@@ -242,16 +242,12 @@ i2c@121D0000 {
 		samsung,i2c-slave-addr = <0x38>;
 		status = "okay";
 
-		sata-phy {
-			compatible = "samsung,sata-phy";
+		sata_phy_i2c:sata-phy@38 {
+			compatible = "samsung,exynos-sataphy-i2c";
 			reg = <0x38>;
 		};
 	};
 
-	sata@122F0000 {
-		samsung,sata-freq = <66>;
-	};
-
 	i2c@12C80000 {
 		samsung,i2c-sda-delay = <100>;
 		samsung,i2c-max-bus-freq = <66000>;
@@ -274,6 +270,15 @@ hdmiphy@38 {
 		};
 	};
 
+	sata@122F0000 {
+		status = "okay";
+	};
+
+	sata-phy@12170000 {
+		status = "okay";
+		samsung,exynos-sataphy-i2c-phandle = <&sata_phy_i2c>;
+	};
+
 	mmc@12200000 {
 		status = "okay";
 		num-slots = <1>;

arch/arm/boot/dts/exynos5250.dtsi

@@ -47,6 +47,7 @@ aliases {
 		i2c6 = &i2c_6;
 		i2c7 = &i2c_7;
 		i2c8 = &i2c_8;
+		i2c9 = &i2c_9;
 		pinctrl0 = &pinctrl_0;
 		pinctrl1 = &pinctrl_1;
 		pinctrl2 = &pinctrl_2;
@@ -235,16 +236,25 @@ serial@12C30000 {
 	};
 
 	sata@122F0000 {
-		compatible = "samsung,exynos5-sata-ahci";
+		compatible = "snps,dwc-ahci";
+		samsung,sata-freq = <66>;
 		reg = <0x122F0000 0x1ff>;
 		interrupts = <0 115 0>;
 		clocks = <&clock CLK_SATA>, <&clock CLK_SCLK_SATA>;
 		clock-names = "sata", "sclk_sata";
+		phys = <&sata_phy>;
+		phy-names = "sata-phy";
+		status = "disabled";
 	};
 
-	sata-phy@12170000 {
-		compatible = "samsung,exynos5-sata-phy";
+	sata_phy: sata-phy@12170000 {
+		compatible = "samsung,exynos5250-sata-phy";
 		reg = <0x12170000 0x1ff>;
+		clocks = <&clock 287>;
+		clock-names = "sata_phyctrl";
+		#phy-cells = <0>;
+		samsung,syscon-phandle = <&pmu_system_controller>;
+		status = "disabled";
 	};
 
 	i2c_0: i2c@12C60000 {
@@ -362,7 +372,7 @@ i2c_8: i2c@12CE0000 {
 		status = "disabled";
 	};
 
-	i2c@121D0000 {
+	i2c_9: i2c@121D0000 {
                 compatible = "samsung,exynos5-sata-phy-i2c";
                 reg = <0x121D0000 0x100>;
                 #address-cells = <1>;