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

   1 Rockchip PCIE PHY
   2 -----------------------
   3
   4 Required properties:
   5  - compatible: rockchip,rk3399-pcie-phy
   6  - clocks: Must contain an entry in clock-names.
   7         See ../clocks/clock-bindings.txt for details.
   8  - clock-names: Must be "refclk"
   9  - resets: Must contain an entry in reset-names.
  10         See ../reset/reset.txt for details.
  11  - reset-names: Must be "phy"
  12
  13 Required properties for legacy PHY mode (deprecated):
  14  - #phy-cells: must be 0
  15
  16 Required properties for per-lane PHY mode (preferred):
  17  - #phy-cells: must be 1
  18
  19 Example:
  20
  21 grf: syscon@ff770000 {
  22         compatible = "rockchip,rk3399-grf", "syscon", "simple-mfd";
  23         #address-cells = <1>;
  24         #size-cells = <1>;
  25
  26         ...
  27
  28         pcie_phy: pcie-phy {
  29                 compatible = "rockchip,rk3399-pcie-phy";
  30                 #phy-cells = <0>;
  31                 clocks = <&cru SCLK_PCIEPHY_REF>;
  32                 clock-names = "refclk";
  33                 resets = <&cru SRST_PCIEPHY>;
  34                 reset-names = "phy";
  35         };
  36 };