From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bjorn Andersson Subject: [PATCH 2/7] dt-bindings: phy: Add binding for Qualcomm PCIe2 PHY Date: Fri, 25 Jan 2019 15:45:04 -0800 Message-ID: <20190125234509.26419-3-bjorn.andersson@linaro.org> References: <20190125234509.26419-1-bjorn.andersson@linaro.org> Return-path: In-Reply-To: <20190125234509.26419-1-bjorn.andersson@linaro.org> Sender: linux-kernel-owner@vger.kernel.org To: Kishon Vijay Abraham I , Mark Rutland , Rob Herring Cc: Andy Gross , Bjorn Helgaas , David Brown , Khasim Syed Mohammed , Lorenzo Pieralisi , Michael Turquette , Niklas Cassel , Stanimir Varbanov , Stephen Boyd , devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org List-Id: devicetree@vger.kernel.org The Qualcomm PCIe2 PHY is a Synopsys based PCIe PHY found in a number of Qualcomm platforms, add a binding to describe this. Signed-off-by: Bjorn Andersson --- .../bindings/phy/qcom-pcie2-phy.txt | 40 +++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/qcom-pcie2-phy.txt diff --git a/Documentation/devicetree/bindings/phy/qcom-pcie2-phy.txt b/Documentation/devicetree/bindings/phy/qcom-pcie2-phy.txt new file mode 100644 index 000000000000..7da02f9d78c7 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/qcom-pcie2-phy.txt @@ -0,0 +1,40 @@ +Qualcomm PCIe2 PHY controller +============================= + +The Qualcomm PCIe2 PHY is a Synopsys based phy found in a number of Qualcomm +platforms. + +Required properties: + - compatible: compatible list, should be: + "qcom,qcs404-pcie2-phy", "qcom,pcie2-phy" + + - reg: offset and length of the PHY register set. + - #phy-cells: must be 0. + + - clocks: a clock-specifier pair for the "pipe" clock + + - vdda-vp-supply: phandle to low voltage regulator + - vdda-vph-supply: phandle to high voltage regulator + + - resets: reset-specifier pairs for the "phy" and "pipe" resets + - reset-names: list of resets, should contain: + "phy" and "pipe" + + - clock-output-names: name of the outgoing clock signal from the PHY PLL + +Example: + phy@7786000 { + compatible = "qcom,qcs404-pcie2-phy", "qcom,pcie2-phy"; + reg = <0x07786000 0xb8>; + + clocks = <&gcc GCC_PCIE_0_PIPE_CLK>; + resets = <&gcc GCC_PCIEPHY_0_PHY_BCR>, + <&gcc GCC_PCIE_0_PIPE_ARES>; + reset-names = "phy", "pipe"; + + vdda-vp-supply = <&vreg_l3_1p05>; + vdda-vph-supply = <&vreg_l5_1p8>; + + clock-output-names = "pcie_0_pipe_clk"; + #phy-cells = <0>; + }; -- 2.18.0