linux-kernel - [PATCH v2 1/3] dt-bindings: phy: qcom,qusb2: Add missing vdd-supply

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Message-Id: <20210928022002.26286-2-shawn.guo@linaro.org>
Date:   Tue, 28 Sep 2021 10:20:00 +0800
From:   Shawn Guo <shawn.guo@...aro.org>
To:     Vinod Koul <vkoul@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...ainline.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Jeffrey Hugo <jeffrey.l.hugo@...il.com>,
        Jami Kettunen <jamipkettunen@...il.com>,
        linux-phy@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Shawn Guo <shawn.guo@...aro.org>
Subject: [PATCH v2 1/3] dt-bindings: phy: qcom,qusb2: Add missing vdd-supply

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@...aro.org>
---
 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 ec9ccaaba098..e49fa4ce18c8 100644
--- a/Documentation/devicetree/bindings/phy/qcom,qusb2-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/qcom,qusb2-phy.yaml
@@ -50,6 +50,10 @@ properties:
       - const: ref
       - const: iface
 
+  vdd-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.
@@ -156,6 +160,7 @@ required:
   - "#phy-cells"
   - clocks
   - clock-names
+  - vdd-supply
   - vdda-pll-supply
   - vdda-phy-dpdm-supply
   - resets
@@ -174,6 +179,7 @@ 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