sdmmc on the nanopc-t6 is powered by vcc3v3_sd_s0, not vcc_3v3_s3 add the vcc3v3_sd_s0 regulator, and control it with gpio4_a5 Signed-off-by: John Clark <inindev@xxxxxxxxx> --- arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dts | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dts b/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dts index 54445f929a37..fc8add8df3db 100644 --- a/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dts +++ b/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dts @@ -159,6 +159,17 @@ vcc3v3_pcie30: vcc3v3-pcie30-regulator { regulator-max-microvolt = <3300000>; vin-supply = <&vcc5v0_sys>; }; + + vcc3v3_sd_s0: vcc3v3-sd-s0-regulator { + compatible = "regulator-fixed"; + enable-active-low; + gpio = <&gpio4 RK_PA5 GPIO_ACTIVE_LOW>; + regulator-boot-on; + regulator-max-microvolt = <3300000>; + regulator-min-microvolt = <3300000>; + regulator-name = "vcc3v3_sd_s0"; + vin-supply = <&vcc_3v3_s3>; + }; }; &combphy0_ps { @@ -544,7 +555,7 @@ &sdmmc { no-mmc; no-sdio; sd-uhs-sdr104; - vmmc-supply = <&vcc_3v3_s3>; + vmmc-supply = <&vcc3v3_sd_s0>; vqmmc-supply = <&vccio_sd_s0>; status = "okay"; }; -- 2.43.0