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Diffstat (limited to 'Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt b/Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt deleted file mode 100644 index e11c563a65ec..000000000000 --- a/Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt +++ /dev/null @@ -1,106 +0,0 @@ -Qualcomm QMP PHY controller -=========================== - -QMP phy controller supports physical layer functionality for a number of -controllers on Qualcomm chipsets, such as, PCIe, UFS, and USB. - -Required properties: - - compatible: compatible list, contains: - "qcom,msm8996-qmp-pcie-phy" for 14nm PCIe phy on msm8996, - "qcom,msm8996-qmp-usb3-phy" for 14nm USB3 phy on msm8996. - - - reg: offset and length of register set for PHY's common serdes block. - - - #clock-cells: must be 1 - - Phy pll outputs a bunch of clocks for Tx, Rx and Pipe - interface (for pipe based PHYs). These clock are then gate-controlled - by gcc. - - #address-cells: must be 1 - - #size-cells: must be 1 - - ranges: must be present - - - clocks: a list of phandles and clock-specifier pairs, - one for each entry in clock-names. - - clock-names: "cfg_ahb" for phy config clock, - "aux" for phy aux clock, - "ref" for 19.2 MHz ref clk, - For "qcom,msm8996-qmp-pcie-phy" must contain: - "aux", "cfg_ahb", "ref". - For "qcom,msm8996-qmp-usb3-phy" must contain: - "aux", "cfg_ahb", "ref". - - - resets: a list of phandles and reset controller specifier pairs, - one for each entry in reset-names. - - reset-names: "phy" for reset of phy block, - "common" for phy common block reset, - "cfg" for phy's ahb cfg block reset (Optional). - For "qcom,msm8996-qmp-pcie-phy" must contain: - "phy", "common", "cfg". - For "qcom,msm8996-qmp-usb3-phy" must contain - "phy", "common". - - - vdda-phy-supply: Phandle to a regulator supply to PHY core block. - - vdda-pll-supply: Phandle to 1.8V regulator supply to PHY refclk pll block. - -Optional properties: - - vddp-ref-clk-supply: Phandle to a regulator supply to any specific refclk - pll block. - -Required nodes: - - Each device node of QMP phy is required to have as many child nodes as - the number of lanes the PHY has. - -Required properties for child node: - - reg: list of offset and length pairs of register sets for PHY blocks - - tx, rx and pcs. - - - #phy-cells: must be 0 - - - clocks: a list of phandles and clock-specifier pairs, - one for each entry in clock-names. - - clock-names: Must contain following for pcie and usb qmp phys: - "pipe<lane-number>" for pipe clock specific to each lane. - - - resets: a list of phandles and reset controller specifier pairs, - one for each entry in reset-names. - - reset-names: Must contain following for pcie qmp phys: - "lane<lane-number>" for reset specific to each lane. - -Example: - phy@34000 { - compatible = "qcom,msm8996-qmp-pcie-phy"; - reg = <0x34000 0x488>; - #clock-cells = <1>; - #address-cells = <1>; - #size-cells = <1>; - ranges; - - clocks = <&gcc GCC_PCIE_PHY_AUX_CLK>, - <&gcc GCC_PCIE_PHY_CFG_AHB_CLK>, - <&gcc GCC_PCIE_CLKREF_CLK>; - clock-names = "aux", "cfg_ahb", "ref"; - - vdda-phy-supply = <&pm8994_l28>; - vdda-pll-supply = <&pm8994_l12>; - - resets = <&gcc GCC_PCIE_PHY_BCR>, - <&gcc GCC_PCIE_PHY_COM_BCR>, - <&gcc GCC_PCIE_PHY_COM_NOCSR_BCR>; - reset-names = "phy", "common", "cfg"; - - pciephy_0: lane@35000 { - reg = <0x35000 0x130>, - <0x35200 0x200>, - <0x35400 0x1dc>; - #phy-cells = <0>; - - clocks = <&gcc GCC_PCIE_0_PIPE_CLK>; - clock-names = "pipe0"; - resets = <&gcc GCC_PCIE_0_PHY_BCR>; - reset-names = "lane0"; - }; - - pciephy_1: lane@36000 { - ... - ... - }; |
