i.MX6ULL has errata ERR010450, there is I/O timing limitation, for SDR mode, SD card clock can't exceed 150MHz, for DDR mode, SD card clock can't exceed 45MHz. This patch change to use the new compatible "fsl,imx6ull-usdhc" to follow this limitation. Signed-off-by: Haibo Chen <haibo.chen@xxxxxxx> --- arch/arm/boot/dts/imx6ull.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm/boot/dts/imx6ull.dtsi b/arch/arm/boot/dts/imx6ull.dtsi index f3668fe..4ad5828 100644 --- a/arch/arm/boot/dts/imx6ull.dtsi +++ b/arch/arm/boot/dts/imx6ull.dtsi @@ -30,6 +30,14 @@ >; }; +&usdhc1 { + compatible = "fsl,imx6ull-usdhc", "fsl,imx6sx-usdhc"; +}; + +&usdhc2 { + compatible = "fsl,imx6ull-usdhc", "fsl,imx6sx-usdhc"; +}; + / { soc { aips3: aips-bus@2200000 { -- 1.9.1