dt-bindings: phy: qmp: Add support for QMP phy in IPQ8074

IPQ8074 uses QMP PHY controller that provides support to PCIe and
USB. Adding DT binding information for the same.

Reviewed-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Signed-off-by: Varadarajan Narayanan <varada@codeaurora.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>

diff --git a/Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt b/Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt
index 7dc6c63..b6a9f2b 100644 (file)
--- a/Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt
+++ b/Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt
@@ -6,6 +6,7 @@ controllers on Qualcomm chipsets, such as, PCIe, UFS, and USB.
 
 Required properties:
  - compatible: compatible list, contains:
+              "qcom,ipq8074-qmp-pcie-phy" for PCIe phy on IPQ8074
               "qcom,msm8996-qmp-pcie-phy" for 14nm PCIe phy on msm8996,
               "qcom,msm8996-qmp-usb3-phy" for 14nm USB3 phy on msm8996.
 
@@ -38,6 +39,8 @@ Required properties:
                 "phy", "common", "cfg".
                For "qcom,msm8996-qmp-usb3-phy" must contain
                 "phy", "common".
+               For "qcom,ipq8074-qmp-pcie-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.
@@ -63,6 +66,11 @@ Required properties for child node:
  - clock-output-names: Name of the PHY clock that will be the parent for
                       the above pipe clock.
 
+       For "qcom,ipq8074-qmp-pcie-phy":
+               - "pcie20_phy0_pipe_clk"        Pipe Clock parent
+                       (or)
+                 "pcie20_phy1_pipe_clk"
+
  - 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: