Document Qualcomm PCIe PHY devicetree bindings. Signed-off-by: Stanimir Varbanov <svarbanov@xxxxxxxxxx> --- .../devicetree/bindings/phy/qcom-pcie-phy.txt | 60 ++++++++++++++++++++ 1 files changed, 60 insertions(+), 0 deletions(-) create mode 100644 Documentation/devicetree/bindings/phy/qcom-pcie-phy.txt diff --git a/Documentation/devicetree/bindings/phy/qcom-pcie-phy.txt b/Documentation/devicetree/bindings/phy/qcom-pcie-phy.txt new file mode 100644 index 0000000..e4c7f9c --- /dev/null +++ b/Documentation/devicetree/bindings/phy/qcom-pcie-phy.txt @@ -0,0 +1,60 @@ +* Qualcomm PCIe PHY controller + +PCIe PHY nodes are defined to describe on-chip PCIe Physical layer controllers. +Each PCIe PHY controller should have its own node. + +- compatible: + Usage: required + Value type: <stringlist> + Definition: Value should contain "qcom,pcie-phy" + +- reg: + Usage: required + Value type: <prop-encoded-array> + Definition: Offset and length of the PCIe PHY registers + +- #phy-cells: + Usage: required + Value type: <u32> + Definition: Must be zero + +- clocks: + Usage: required + Value type: <prop-encoded-array> + Definition: A list of phandles and clock specifier pair, one + for each entry in clock-names property + +- clock-names: + Usage: required + Value type: <stringlist> + Definition: Should contain "core" for PHY core clock + +- resets: + Usage: required + Value type: <phandle> + Definition: List of phandle and reset specifier pairs as listed + in reset-names property + +- reset-names: + Usage: required + Value type: <stringlist> + Definition: Should contain "core" for PHY core reset + +- <name>-supply: + Usage: required + Value type: <phandle> + Definition: List of phandles to the power supply regulators + - "vdda_pll" analog Vdd PLL power supply + +* Example + + pciephy0: phy@fc526000 { + compatible = "qcom,pcie-phy"; + reg = <0xfc526000 0x1000>; + clocks = <&gcc GCC_PCIE_0_PIPE_CLK>; + clock-names = "core"; + resets = <&gcc GCC_PCIE_0_PHY_BCR>; + reset-names = "core"; + vdda_pll-supply = <&pma8084_l12>; + #phy-cells = <0>; + }; -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html