linux/Documentation/devicetree/bindings/phy/rockchip-pcie-phy.txt

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Rockchip PCIE PHY
-----------------------
Required properties:
- compatible: rockchip,rk3399-pcie-phy
- clocks: Must contain an entry in clock-names.
See ../clocks/clock-bindings.txt for details.
- clock-names: Must be "refclk"
- resets: Must contain an entry in reset-names.
See ../reset/reset.txt for details.
- reset-names: Must be "phy"
Required properties for legacy PHY mode (deprecated):
- #phy-cells: must be 0
Required properties for per-lane PHY mode (preferred):
- #phy-cells: must be 1
Example:
grf: syscon@ff770000 {
compatible = "rockchip,rk3399-grf", "syscon", "simple-mfd";
#address-cells = <1>;
#size-cells = <1>;
...
pcie_phy: pcie-phy {
compatible = "rockchip,rk3399-pcie-phy";
#phy-cells = <0>;
clocks = <&cru SCLK_PCIEPHY_REF>;
clock-names = "refclk";
resets = <&cru SRST_PCIEPHY>;
reset-names = "phy";
};
};