diff options
| -rw-r--r-- | arch/arm64/boot/dts/freescale/s32g274a-evb.dts | 1 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/freescale/s32g274a-rdb2.dts | 9 |
2 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/s32g274a-evb.dts b/arch/arm64/boot/dts/freescale/s32g274a-evb.dts index 7ab917f547ef..b9a119eea2b7 100644 --- a/arch/arm64/boot/dts/freescale/s32g274a-evb.dts +++ b/arch/arm64/boot/dts/freescale/s32g274a-evb.dts @@ -39,5 +39,6 @@ pinctrl-1 = <&pinctrl_usdhc0_100mhz>; pinctrl-2 = <&pinctrl_usdhc0_200mhz>; disable-wp; + no-1-8-v; status = "okay"; }; diff --git a/arch/arm64/boot/dts/freescale/s32g274a-rdb2.dts b/arch/arm64/boot/dts/freescale/s32g274a-rdb2.dts index 8739f63771bc..aaa61a8ad0da 100644 --- a/arch/arm64/boot/dts/freescale/s32g274a-rdb2.dts +++ b/arch/arm64/boot/dts/freescale/s32g274a-rdb2.dts @@ -45,5 +45,14 @@ pinctrl-1 = <&pinctrl_usdhc0_100mhz>; pinctrl-2 = <&pinctrl_usdhc0_200mhz>; disable-wp; + /* Remove no-1-8-v to enable higher speed modes for SD card. + * However, this is not enough to enable HS400 or HS200 modes for eMMC. + * In this case, the position of the resistor R797 must be changed + * from A to B before removing the property. + * If the property is removed without changing the resistor position, + * HS*00 may be enabled, but the interface might be unstable because of + * the wrong VCCQ voltage applied to the eMMC. + */ + no-1-8-v; status = "okay"; }; |