[PATCH net-next v5 08/11] dt-bindings: net: rockchip-dwmac: document pcs-handle
From: Coia Prant <hidden>
Date: 2026-09-13 19:01:03
Also in:
linux-devicetree, linux-phy, linux-renesas-soc, linux-rockchip, lkml, netdev
Subsystem:
networking drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
The Rockchip dwmac glue driver now supports SGMII on RK3568 and requires a PCS, referenced through the "pcs-handle" property. The property is parsed by rk_pcs_init() and a missing phandle fails the probe, so describe it in the binding and require it when phy-mode is "sgmii". Signed-off-by: Coia Prant <redacted> --- .../devicetree/bindings/net/rockchip-dwmac.yaml | 15 +++++++++++++++ 1 file changed, 15 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml b/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml
index 80c252845349c..67b21ea77ec96 100644
--- a/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml
+++ b/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml@@ -120,6 +120,12 @@ properties: maximum: 0x7F default: 0x10 + pcs-handle: + description: + Specifies a reference to a node representing the PCS device + connected to this GMAC. Required when phy-mode is "sgmii". + maxItems: 1 + phy-supply: description: PHY regulator
@@ -159,6 +165,15 @@ allOf: clocks: minItems: 5 + - if: + properties: + phy-mode: + contains: + const: sgmii + then: + required: + - pcs-handle + unevaluatedProperties: false examples:
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2.47.3