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    Subject[PATCH v8 04/10] arm: dts: sunxi: h3/h5: represent the mdio switch used by sun8i-h3-emac
    Date
    Since dwmac-sun8i could use either an integrated PHY or an external PHY
    (which could be at same MDIO address), we need to represent this selection
    by a MDIO switch.

    Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
    ---
    arch/arm/boot/dts/sunxi-h3-h5.dtsi | 31 ++++++++++++++++++++++++++-----
    1 file changed, 26 insertions(+), 5 deletions(-)

    diff --git a/arch/arm/boot/dts/sunxi-h3-h5.dtsi b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
    index d762098fc589..aa60b7fd18f2 100644
    --- a/arch/arm/boot/dts/sunxi-h3-h5.dtsi
    +++ b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
    @@ -422,14 +422,35 @@
    #size-cells = <0>;
    status = "disabled";

    - mdio: mdio {
    + mdio0: mdio {
    #address-cells = <1>;
    #size-cells = <0>;
    - int_mii_phy: ethernet-phy@1 {
    - compatible = "ethernet-phy-ieee802.3-c22";
    + compatible = "snps,dwmac-mdio";
    + };
    +
    + mdio-mux {
    + compatible = "mdio-mux", "allwinner,sun8i-h3-mdio-mux";
    + #address-cells = <1>;
    + #size-cells = <0>;
    + /* Only one MDIO is usable at the time */
    + internal_mdio: mdio@1 {
    + compatible = "allwinner,sun8i-h3-mdio-internal";
    reg = <1>;
    - clocks = <&ccu CLK_BUS_EPHY>;
    - resets = <&ccu RST_BUS_EPHY>;
    + #address-cells = <1>;
    + #size-cells = <0>;
    +
    + int_mii_phy: ethernet-phy@1 {
    + compatible = "ethernet-phy-ieee802.3-c22";
    + reg = <1>;
    + clocks = <&ccu CLK_BUS_EPHY>;
    + resets = <&ccu RST_BUS_EPHY>;
    + };
    + };
    +
    + external_mdio: mdio@2 {
    + reg = <2>;
    + #address-cells = <1>;
    + #size-cells = <0>;
    };
    };
    };
    --
    2.13.6
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