Adds exynos UFS PHY device tree bindings information.
Signed-off-by: Alim Akhtar <alim.akhtar@xxxxxxxxxxx>
---
.../devicetree/bindings/phy/samsung-phy.txt | 22 ++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/Documentation/devicetree/bindings/phy/samsung-phy.txt b/Documentation/devicetree/bindings/phy/samsung-phy.txt
index 60c6f2a..c92ce53 100644
--- a/Documentation/devicetree/bindings/phy/samsung-phy.txt
+++ b/Documentation/devicetree/bindings/phy/samsung-phy.txt
@@ -174,3 +174,25 @@ Example:
usbdrdphy0 = &usb3_phy0;
usbdrdphy1 = &usb3_phy1;
};
+
+Samsung Exynos7 soc series UFS PHY Controller
+---------------------------------------------
+
+UFS PHY nodes are defined to describe on-chip UFS Physical layer controllers.
+Each UFS PHY controller should have its own node.
+
+Required properties:
+- compatible : compatible should be set to "samsung,exynos7-ufs-phy"
+- reg : offset and length of the UFS PHY register set
+- reg-names : reg name(s) must be 'phy-pma'
+- #phy-cells : must be zero
+- samsung,pmu-syscon : a phandle to the PMU system controller, no arguments
+
+Example:
+ ufs_phy: ufs-phy@0x15571800 {
+ compatible = "samsung,exynos7-ufs-phy";
+ reg = <0x15571800 0x240>;
+ reg-names = "phy-pma";
+ samsung,pmu-syscon = <&pmu_system_controller>;
+ #phy-cells = <0>;
+ };
--
1.7.10.4
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