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-rw-r--r--dts/Bindings/phy/rockchip-emmc-phy.txt22
1 files changed, 14 insertions, 8 deletions
diff --git a/dts/Bindings/phy/rockchip-emmc-phy.txt b/dts/Bindings/phy/rockchip-emmc-phy.txt
index 61916f15a..555cb0f40 100644
--- a/dts/Bindings/phy/rockchip-emmc-phy.txt
+++ b/dts/Bindings/phy/rockchip-emmc-phy.txt
@@ -3,17 +3,23 @@ Rockchip EMMC PHY
Required properties:
- compatible: rockchip,rk3399-emmc-phy
- - rockchip,grf : phandle to the syscon managing the "general
- register files"
- #phy-cells: must be 0
- - reg: PHY configure reg address offset in "general
+ - reg: PHY register address offset and length in "general
register files"
Example:
-emmcphy: phy {
- compatible = "rockchip,rk3399-emmc-phy";
- rockchip,grf = <&grf>;
- reg = <0xf780>;
- #phy-cells = <0>;
+
+grf: syscon@ff770000 {
+ compatible = "rockchip,rk3399-grf", "syscon", "simple-mfd";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+...
+
+ emmcphy: phy@f780 {
+ compatible = "rockchip,rk3399-emmc-phy";
+ reg = <0xf780 0x20>;
+ #phy-cells = <0>;
+ };
};