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The board uses SDHC VSELECT to automatically switch between 1.8v and 3.3v. It does not use GPIO to control the PMIC SD_VSEL signal. The original commit intends to read back SD_VSEL value from GPIO, but it is wrong. When MUX is configured as SDHC VSELECT, it is impossible to read back the value from GPIO controller. Setting SION could only enable the input path for the mux function. It could not redirect the input to GPIO. Signed-off-by: Peng Fan --- arch/arm64/boot/dts/freescale/imx8mp-kontron-osm-s.dtsi | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mp-kontron-osm-s.dtsi b/arch= /arm64/boot/dts/freescale/imx8mp-kontron-osm-s.dtsi index bc1a261bb000ed0e8071d214111c12689bc394d0..ea69c639b30b8f7e05bb103074c= 6481d88560c53 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-kontron-osm-s.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp-kontron-osm-s.dtsi @@ -311,7 +311,6 @@ reg_nvcc_sd: LDO5 { regulator-name =3D "NVCC_SD (LDO5)"; regulator-min-microvolt =3D <1800000>; regulator-max-microvolt =3D <3300000>; - sd-vsel-gpios =3D <&gpio1 4 GPIO_ACTIVE_HIGH>; }; }; }; @@ -815,7 +814,7 @@ MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0 0x1d0 /* SDIO_A_D= 0 */ MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1 0x1d0 /* SDIO_A_D1 */ MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2 0x1d0 /* SDIO_A_D2 */ MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3 0x1d0 /* SDIO_A_D3 */ - MX8MP_IOMUXC_GPIO1_IO04__USDHC2_VSELECT 0x400001d0 + MX8MP_IOMUXC_GPIO1_IO04__USDHC2_VSELECT 0x1d0 >; }; =20 @@ -827,7 +826,7 @@ MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0 0x1d4 /* SDIO_A_D= 0 */ MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1 0x1d4 /* SDIO_A_D1 */ MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2 0x1d4 /* SDIO_A_D2 */ MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3 0x1d4 /* SDIO_A_D3 */ - MX8MP_IOMUXC_GPIO1_IO04__USDHC2_VSELECT 0x400001d0 + MX8MP_IOMUXC_GPIO1_IO04__USDHC2_VSELECT 0x1d0 >; }; =20 @@ -839,7 +838,7 @@ MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0 0x1d6 /* SDIO_A_D= 0 */ MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1 0x1d6 /* SDIO_A_D1 */ MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2 0x1d6 /* SDIO_A_D2 */ MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3 0x1d6 /* SDIO_A_D3 */ - MX8MP_IOMUXC_GPIO1_IO04__USDHC2_VSELECT 0x400001d0 + MX8MP_IOMUXC_GPIO1_IO04__USDHC2_VSELECT 0x1d0 >; }; =20 --=20 2.37.1