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    Subject[PATCH 5.10 052/663] arm64: dts: rockchip: rk3328: Add clock_in_out property to gmac2phy node
    Date
    From: Chen-Yu Tsai <wens@csie.org>

    [ Upstream commit c6433083f5930fdf52ad47c8c0459719c810dc89 ]

    The gmac2phy is integrated with the PHY within the SoC. Any properties
    related to this integration can be included in the .dtsi file, instead
    of having board dts files specify them separately.

    Add the clock_in_out property to specify the direction of the PHY clock.
    This is the minimum required to have gmac2phy working on Linux. Other
    examples include assigned-clocks, assigned-clock-rates, and
    assigned-clock-parents properties, but the hardware default plus the
    implementation requesting the appropriate clock rate also works.

    Fixes: 9c4cc910fe28 ("ARM64: dts: rockchip: Add gmac2phy node support for rk3328")
    Signed-off-by: Chen-Yu Tsai <wens@csie.org>
    Link: https://lore.kernel.org/r/20210117100710.4857-2-wens@kernel.org
    Signed-off-by: Heiko Stuebner <heiko@sntech.de>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    arch/arm64/boot/dts/rockchip/rk3328.dtsi | 1 +
    1 file changed, 1 insertion(+)

    diff --git a/arch/arm64/boot/dts/rockchip/rk3328.dtsi b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
    index db0d5c8e5f96a..93c734d8a46c2 100644
    --- a/arch/arm64/boot/dts/rockchip/rk3328.dtsi
    +++ b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
    @@ -928,6 +928,7 @@
    phy-mode = "rmii";
    phy-handle = <&phy>;
    snps,txpbl = <0x4>;
    + clock_in_out = "output";
    status = "disabled";

    mdio {
    --
    2.27.0


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