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    Subject[PATCH 07/10] arm: dts: aspeed: Adjust clock phase parameter
    Date
    Change clock phase degree for AST2600 EVB.
    These parameter has been verified with 100MHz
    clock frequency for eMMC and SD controllers.

    Signed-off-by: Chin-Ting Kuo <chin-ting_kuo@aspeedtech.com>
    ---
    arch/arm/boot/dts/aspeed-ast2600-evb-a1.dts | 8 ++++++++
    arch/arm/boot/dts/aspeed-ast2600-evb.dts | 9 ++++++---
    2 files changed, 14 insertions(+), 3 deletions(-)

    diff --git a/arch/arm/boot/dts/aspeed-ast2600-evb-a1.dts b/arch/arm/boot/dts/aspeed-ast2600-evb-a1.dts
    index dd7148060c4a..2d83617dc436 100644
    --- a/arch/arm/boot/dts/aspeed-ast2600-evb-a1.dts
    +++ b/arch/arm/boot/dts/aspeed-ast2600-evb-a1.dts
    @@ -13,3 +13,11 @@
    };

    /delete-node/ &sdc;
    +
    +&emmc_controller {
    + max-tap-delay = <706>;
    +};
    +
    +&emmc {
    + clk-phase-mmc-hs200 = <0 13>, <1 103>;
    +};
    diff --git a/arch/arm/boot/dts/aspeed-ast2600-evb.dts b/arch/arm/boot/dts/aspeed-ast2600-evb.dts
    index 4551dba499c2..f728b9d9b4cf 100644
    --- a/arch/arm/boot/dts/aspeed-ast2600-evb.dts
    +++ b/arch/arm/boot/dts/aspeed-ast2600-evb.dts
    @@ -143,13 +143,15 @@

    &emmc_controller {
    status = "okay";
    + /* Measured value with *handwave* environmentals and static loading */
    + max-tap-delay = <736>;
    };

    &emmc {
    non-removable;
    bus-width = <4>;
    max-frequency = <100000000>;
    - clk-phase-mmc-hs200 = <9>, <225>;
    + clk-phase-mmc-hs200 = <0 27>, <1 95>;
    };

    &rtc {
    @@ -260,6 +262,7 @@

    &sdc {
    status = "okay";
    + max-tap-delay = <9000>;
    };

    /*
    @@ -287,7 +290,7 @@
    sdhci,wp-inverted;
    vmmc-supply = <&vcc_sdhci0>;
    vqmmc-supply = <&vccq_sdhci0>;
    - clk-phase-sd-hs = <7>, <200>;
    + clk-phase-uhs-sdr50 = <0 130>, <0 238>;
    };

    &sdhci1 {
    @@ -300,5 +303,5 @@
    sdhci,wp-inverted;
    vmmc-supply = <&vcc_sdhci1>;
    vqmmc-supply = <&vccq_sdhci1>;
    - clk-phase-sd-hs = <7>, <200>;
    + clk-phase-uhs-sdr50 = <0 130>, <0 130>;
    };
    --
    2.17.1
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