[PATCH v8 11/17] dt-bindings: add document for rockchip dp phy

[Yakir Yang]

Add dt binding documentation for rockchip display port PHY.

Reviewed-by: Heiko Stuebner <heiko@xxxxxxxxx>
Signed-off-by: Yakir Yang <ykk@xxxxxxxxxxxxxx>
---
Changes in v8:
- Remove the specific address in the example node name. (Heiko)

Changes in v7:
- Simplify the commit message. (Kishon)

Changes in v6: None
Changes in v5:
- Split binding doc's from driver changes. (Rob)
- Update the rockchip,grf explain in document, and correct the clock required
  elemets in document. (Rob & Heiko)

Changes in v4: None
Changes in v3: None
Changes in v2: None

 .../devicetree/bindings/phy/rockchip-dp-phy.txt    | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/rockchip-dp-phy.txt

diff --git a/Documentation/devicetree/bindings/phy/rockchip-dp-phy.txt b/Documentation/devicetree/bindings/phy/rockchip-dp-phy.txt
new file mode 100644
index 0000000..00902cb
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/rockchip-dp-phy.txt
@@ -0,0 +1,22 @@
+Rockchip Soc Seroes Display Port PHY
+------------------------------------
+
+Required properties:
+- compatible : should be one of the following supported values:
+	 - "rockchip.rk3288-dp-phy"
+- clocks: from common clock binding: handle to dp clock.
+	of memory mapped region.
+- clock-names: from common clock binding:
+	Required elements: "24m"
+- rockchip,grf: phandle to the syscon managing the "general register files"
+- #phy-cells : from the generic PHY bindings, must be 0;
+
+Example:
+
+edp_phy: edp-phy {
+	compatible = "rockchip,rk3288-dp-phy";
+	rockchip,grf = <&grf>;
+	clocks = <&cru SCLK_EDP_24M>;
+	clock-names = "24m";
+	#phy-cells = <0>;
+};
-- 
1.9.1


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