[PATCH v1 1/2] dt-bindings: phy: mtk-tphy: add property for software role switch

Arseniy Velikanov me at adomerle.pw
Thu Aug 14 16:48:24 PDT 2025


Add a boolean property to enable software control of the PHY mode
switching.

Signed-off-by: Arseniy Velikanov <me at adomerle.pw>
---
 Documentation/devicetree/bindings/phy/mediatek,tphy.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
index b2218c151939..a90890d4a86f 100644
--- a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
+++ b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
@@ -255,6 +255,12 @@ patternProperties:
           use the property "mediatek,syscon-type" for newer SoCs that support it.
         type: boolean
 
+      mediatek,software-role-switch:
+        description:
+          Forcibly sets the phy mode. In dual-role mode, it polls
+          role switcher and manually changes mode accordingly.
+          PHY port must be linked with the role switcher via device tree graphs.
+
       mediatek,syscon-type:
         $ref: /schemas/types.yaml#/definitions/phandle-array
         maxItems: 1
-- 
2.50.1



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