[PATCH v2 1/6] dt-bindings: phy: qcom,sa8775p-dwmac-sgmii-phy: add named voltage rails and deprecate phy-supply

The Qualcomm SGMII SerDes PHY has two distinct voltage supply rails,
vdda-0p9 and vdda-1p2. The binding incorrectly described only a single
generic supply via 'phy-supply'.

Deprecate 'phy-supply' and instead add two named supply properties. The
0.9V rail draws a peak current of 46 mA and the 1.2V rail draws 15 mA.

Fixes: 97b795125704 ("dt-bindings: phy: describe the Qualcomm SGMII PHY")
Signed-off-by: Mohd Ayaan Anwar <[email protected]>
---
 .../devicetree/bindings/phy/qcom,sa8775p-dwmac-sgmii-phy.yaml | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Documentation/devicetree/bindings/phy/qcom,sa8775p-dwmac-sgmii-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,sa8775p-dwmac-sgmii-phy.yaml
index 90fc8c039219c739eae05cc17108a9a2fc6193df..e573abcb937df914ced25ec87add7955bbba7b87 100644
--- a/Documentation/devicetree/bindings/phy/qcom,sa8775p-dwmac-sgmii-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/qcom,sa8775p-dwmac-sgmii-phy.yaml
@@ -35,6 +35,17 @@ properties:
   phy-supply:
     description:
       Phandle to a regulator that provides power to the PHY.
+    deprecated: true
+
+  vdda-0p9-supply:
+    description:
+      Phandle to a 0.9V regulator supply to the PHY, which draws a peak
+      current of 46 mA.
+
+  vdda-1p2-supply:
+    description:
+      Phandle to a 1.2V regulator supply to the PHY, which draws a peak
+      current of 15 mA.
 
   "#phy-cells":
     const: 0

-- 
2.34.1


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