From: David Bauer Subject: arm64: dts: rockchip: disable UHS modes for NanoPi R4S The NanoPi R4S leaves the SD card in 1.8V signalling when rebooting while U-Boot requires the card to be in 3.3V mode. Remove UHS support from the SD controller so the card remains in 3.3V mode. This reduces transfer speeds but ensures a reboot whether from userspace or following a kernel panic is always working. Signed-off-by: David Bauer --- a/arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dts +++ b/arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dts @@ -333,7 +333,6 @@ sd-uhs-sdr12; sd-uhs-sdr25; sd-uhs-sdr50; - sd-uhs-sdr104; vmmc-supply = <&vcc_sd>; vqmmc-supply = <&vcc_sdio>; status = "okay"; --- a/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts @@ -119,6 +119,11 @@ status = "disabled"; }; +&sdmmc { + /delete-property/ sd-uhs-sdr104; + cap-sd-highspeed; +}; + &u2phy0_host { phy-supply = <&vdd_5v>; }; --- a/arch/arm64/boot/dts/rockchip/rk3588-armsom-sige7.dts +++ b/arch/arm64/boot/dts/rockchip/rk3588-armsom-sige7.dts @@ -346,7 +346,7 @@ max-frequency = <200000000>; no-sdio; no-mmc; - sd-uhs-sdr104; + sd-uhs-sdr50; vmmc-supply = <&vcc_3v3_s3>; vqmmc-supply = <&vccio_sd_s0>; status = "okay"; --- a/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi @@ -615,7 +615,7 @@ disable-wp; no-mmc; no-sdio; - sd-uhs-sdr104; + sd-uhs-sdr50; vmmc-supply = <&vcc3v3_sd_s0>; vqmmc-supply = <&vccio_sd_s0>; status = "okay"; --- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts +++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts @@ -418,7 +418,7 @@ cap-mmc-highspeed; cap-sd-highspeed; disable-wp; - sd-uhs-sdr104; + sd-uhs-sdr50; vmmc-supply = <&vcc_3v3_s3>; vqmmc-supply = <&vccio_sd_s0>; status = "okay"; --- a/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts +++ b/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts @@ -403,7 +403,7 @@ max-frequency = <150000000>; no-sdio; no-mmc; - sd-uhs-sdr104; + sd-uhs-sdr50; vmmc-supply = <&vcc_3v3_s0>; vqmmc-supply = <&vccio_sd_s0>; status = "okay";