dt-bindings: net: dsa: b53: Document brcm,gpio-ctrl property

Add description for bcm63xx gpio-ctrl phandle which allows
access to registers that control phy functionality.

Signed-off-by: Kyle Hendry <kylehendrydev@gmail.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20250724035300.20497-3-kylehendrydev@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/Documentation/devicetree/bindings/net/dsa/brcm,b53.yaml b/Documentation/devicetree/bindings/net/dsa/brcm,b53.yaml
index d6c957a33b482dedb442e11e28aca3b95f608b24..fbab3a1a8d3e1d1b339b0fc4752155618b077588 100644 (file)
--- a/Documentation/devicetree/bindings/net/dsa/brcm,b53.yaml
+++ b/Documentation/devicetree/bindings/net/dsa/brcm,b53.yaml
@@ -66,6 +66,12 @@ properties:
               - brcm,bcm63268-switch
           - const: brcm,bcm63xx-switch
 
+  brcm,gpio-ctrl:
+    description:
+      A phandle to the syscon node of the bcm63xx gpio controller
+      which contains phy control registers
+    $ref: /schemas/types.yaml#/definitions/phandle
+
 required:
   - compatible
   - reg