Hi Akash,
See commit below.
> diff --git a/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-S.dts b/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-S.dts
> new file mode 100644
> index 000000000000..e5fae451c631
> --- /dev/null
> +++ b/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-S.dts
> +
> +&emmc {
> + bus-width = <4>;
> + cap-mmc-highspeed;
> + mmc-hs200-1_8v;
> + supports-sd;
> + disable-wp;
The mmc.txt didn't explicitly say disable-wp is for SD card slot only,
but that is what it was designed for in the first place.
Remove all disable-wp from emmc or sdio controllers.
> + non-removable;
> + num-slots = <1>;
> + vin-supply = <&vcc_io>;
> + status = "okay";
> +};
> +
> +&sdmmc {
> + bus-width = <4>;
> + cap-mmc-highspeed;
> + cap-sd-highspeed;
> + max-frequeency = <150000000>;
> + supports-sd;
> + disable-wp;
> + num-slots = <1>;
> + pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_det &sdmmc_bus4>;
> + card-detect-delay = <800>;
> + status = "okay";
> +};
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