[PATCH 1/3] dt-bindings: phy: qcom,qusb2: Add missing vdd-supply

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Besides vdda-pll and vdda-phy-dpdm, vdd-supply is a required supply for
PHY digital circuit operation.  Add it for correctness and completeness.

Signed-off-by: Shawn Guo <shawn.guo@xxxxxxxxxx>
---
 Documentation/devicetree/bindings/phy/qcom,qusb2-phy.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/phy/qcom,qusb2-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,qusb2-phy.yaml
index 48ae604b2194..96e31f582fc9 100644
--- a/Documentation/devicetree/bindings/phy/qcom,qusb2-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/qcom,qusb2-phy.yaml
@@ -51,6 +51,10 @@ properties:
       - const: ref
       - const: iface
 
+  vdda-supply:
+    description:
+      Phandle to 0.9V regulator supply to PHY digital circuit.
+
   vdda-pll-supply:
     description:
       Phandle to 1.8V regulator supply to PHY refclk pll block.
@@ -157,6 +161,7 @@ required:
   - "#phy-cells"
   - clocks
   - clock-names
+  - vdd-supply
   - vdda-pll-supply
   - vdda-phy-dpdm-supply
   - resets
@@ -175,6 +180,7 @@ examples:
                  <&gcc GCC_RX1_USB2_CLKREF_CLK>;
         clock-names = "cfg_ahb", "ref";
 
+        vdd-supply = <&pm8994_l28>;
         vdda-pll-supply = <&pm8994_l12>;
         vdda-phy-dpdm-supply = <&pm8994_l24>;
 
-- 
2.17.1




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