The AST2600 MDIO bus controller has a reset control bit and must be deasserted before the manipulating the MDIO controller. Signed-off-by: Dylan Hung <dylan_hung@xxxxxxxxxxxxxx> Cc: stable@xxxxxxxxxxxxxxx --- .../devicetree/bindings/net/aspeed,ast2600-mdio.yaml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/net/aspeed,ast2600-mdio.yaml b/Documentation/devicetree/bindings/net/aspeed,ast2600-mdio.yaml index 1c88820cbcdf..8ba108e25d94 100644 --- a/Documentation/devicetree/bindings/net/aspeed,ast2600-mdio.yaml +++ b/Documentation/devicetree/bindings/net/aspeed,ast2600-mdio.yaml @@ -23,12 +23,15 @@ properties: reg: maxItems: 1 description: The register range of the MDIO controller instance + resets: + maxItems: 1 required: - compatible - reg - "#address-cells" - "#size-cells" + - resets unevaluatedProperties: false @@ -39,6 +42,7 @@ examples: reg = <0x1e650000 0x8>; #address-cells = <1>; #size-cells = <0>; + resets = <&syscon 35>; ethphy0: ethernet-phy@0 { compatible = "ethernet-phy-ieee802.3-c22"; -- 2.25.1