This adds an optional mdio bus child node. If present, the mac will look for PHYs there instead of directly under the top-level node. This eliminates any ambiguity about whether child nodes are PHYs, and allows the MDIO bus to contain non-PHY devices. Signed-off-by: Sean Anderson <sean.anderson@xxxxxxxx> --- Documentation/devicetree/bindings/net/macb.txt | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/net/macb.txt b/Documentation/devicetree/bindings/net/macb.txt index af9df2f01a1c..a1b06fd1962e 100644 --- a/Documentation/devicetree/bindings/net/macb.txt +++ b/Documentation/devicetree/bindings/net/macb.txt @@ -30,6 +30,10 @@ Required properties: Optional elements: 'tsu_clk' - clocks: Phandles to input clocks. +Optional properties: +- mdio: node containing PHY children. If this node is not present, then PHYs + will be direct children. + The MAC address will be determined using the optional properties defined in ethernet.txt. -- 2.25.1
