lkml.org 
[lkml]   [2018]   [Aug]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH v3 38/38] arm64: dts: tegra210: Assign clocks for sdmmc1 and sdmmc4
    Date
    Use assigned-clock properties to configure pllc4 as the parent clock
    for sdmmc4 on Tegra210. pllc4 offers better jitter perfomance than
    the default pllp and is required by HS200 and HS400 modes.

    Signed-off-by: Aapo Vienamo <avienamo@nvidia.com>
    Acked-by: Thierry Reding <treding@nvidia.com>
    ---
    arch/arm64/boot/dts/nvidia/tegra210.dtsi | 8 ++++++++
    1 file changed, 8 insertions(+)

    diff --git a/arch/arm64/boot/dts/nvidia/tegra210.dtsi b/arch/arm64/boot/dts/nvidia/tegra210.dtsi
    index 0951acc69cc8..14da98ac65e8 100644
    --- a/arch/arm64/boot/dts/nvidia/tegra210.dtsi
    +++ b/arch/arm64/boot/dts/nvidia/tegra210.dtsi
    @@ -1057,6 +1057,11 @@
    nvidia,pad-autocal-pull-down-offset-1v8 = <0x7b>;
    nvidia,default-tap = <0x2>;
    nvidia,default-trim = <0x4>;
    + assigned-clocks = <&tegra_car TEGRA210_CLK_SDMMC4>,
    + <&tegra_car TEGRA210_CLK_PLL_C4_OUT0>,
    + <&tegra_car TEGRA210_CLK_PLL_C4>;
    + assigned-clock-parents = <&tegra_car TEGRA210_CLK_PLL_C4_OUT0>;
    + assigned-clock-rates = <200000000>, <1000000000>, <1000000000>;
    status = "disabled";
    };

    @@ -1107,6 +1112,9 @@
    nvidia,pad-autocal-pull-down-offset-1v8 = <0x05>;
    nvidia,default-tap = <0x8>;
    nvidia,default-trim = <0x0>;
    + assigned-clocks = <&tegra_car TEGRA210_CLK_SDMMC4>,
    + <&tegra_car TEGRA210_CLK_PLL_C4_OUT0>;
    + assigned-clock-parents = <&tegra_car TEGRA210_CLK_PLL_C4_OUT0>;
    status = "disabled";
    };

    --
    2.18.0
    \
     
     \ /
      Last update: 2018-08-30 20:08    [W:3.323 / U:0.244 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site