The values were determined via scope measurements. With the patch we can write and read data without issue where as booting the system without the patch failed at the point of mounting the rootfs. Signed-off-by: Andrew Jeffery <andrew@xxxxxxxx> --- arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts index d26a9e16ff7c..5f141c3d9c3f 100644 --- a/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts +++ b/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts @@ -2832,6 +2832,7 @@ &pinctrl_emmc_default { &emmc { status = "okay"; + clk-phase-mmc-hs200 = <210>, <228>; }; &fsim0 { -- 2.30.2