dt-bindings: add document for rockchip dp phy

Add dt binding documentation for rockchip display port PHY.

Signed-off-by: Yakir Yang <ykk@rock-chips.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
This commit is contained in:
Yakir Yang 2016-02-15 19:01:43 +08:00 committed by Kishon Vijay Abraham I
parent fd968973de
commit 12df9c5056
1 changed files with 22 additions and 0 deletions
Documentation/devicetree/bindings/phy

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Rockchip specific extensions to the Analogix 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>;
};