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Date:   Fri, 25 Nov 2022 14:20:08 -0600
From:   Samuel Holland <>
To:     Chen-Yu Tsai <>,
        Jernej Skrabec <>,
        "David S . Miller" <>,
        Eric Dumazet <>,
        Jakub Kicinski <>,
        Paolo Abeni <>,
        Rob Herring <>,
        Krzysztof Kozlowski <>
Cc:     Samuel Holland <>,
        LABBE Corentin <>,
        Maxime Ripard <>,,,,,
Subject: [PATCH 3/3] dt-bindings: net: sun8i-emac: Add phy-supply property

This property has always been supported by the Linux driver; see
commit 9f93ac8d4085 ("net-next: stmmac: Add dwmac-sun8i"). In fact, the
original driver submission includes the phy-supply code but no mention
of it in the binding, so the omission appears to be accidental. In
addition, the property is documented in the binding for the previous
hardware generation, allwinner,sun7i-a20-gmac.

Document phy-supply in the binding to fix devicetree validation for the
25+ boards that already use this property.

Fixes: 0441bde003be ("dt-bindings: net-next: Add DT bindings documentation for Allwinner dwmac-sun8i")
Signed-off-by: Samuel Holland <>

 .../devicetree/bindings/net/allwinner,sun8i-a83t-emac.yaml     | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/allwinner,sun8i-a83t-emac.yaml b/Documentation/devicetree/bindings/net/allwinner,sun8i-a83t-emac.yaml
index 34a47922296d..4f671478b288 100644
--- a/Documentation/devicetree/bindings/net/allwinner,sun8i-a83t-emac.yaml
+++ b/Documentation/devicetree/bindings/net/allwinner,sun8i-a83t-emac.yaml
@@ -42,6 +42,9 @@ properties:
     const: stmmaceth
+  phy-supply:
+    description: PHY regulator
     $ref: /schemas/types.yaml#/definitions/phandle

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