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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/phy/qcom-pcie2-phy.txt
parentInitial commit. (diff)
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Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+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
+ - #clock-cells: must be 0
+
+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";
+ #clock-cells = <0>;
+ #phy-cells = <0>;
+ };