Re: [PATCH] arm64: dts: rockchip: include uhs support for rockpro64

From: Soeren Moch
Date: Tue Apr 27 2021 - 11:07:43 EST


On 27.04.21 08:20, Christian L?hle wrote:
> The DesignWare Host Controller has full UHS-I support, so use it.
Enabling this UHS support makes 'reboot' hang when booting the RockPro64
from SD card. It would work when booting from eMMC, or with a modified
ATF which does a power cycle on reboot.

But for general use it is not save to enable UHS support, or did I miss
some recent changes?

Regards,
Soeren
>
> Signed-off-by: Christian Loehle <cloehle@xxxxxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi
> index 6bff8db7d33e..d22a489ec214 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi
> @@ -722,6 +722,7 @@ &sdmmc {
> max-frequency = <150000000>;
> pinctrl-names = "default";
> pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_bus4>;
> + sd-uhs-sdr104;
> vmmc-supply = <&vcc3v0_sd>;
> vqmmc-supply = <&vcc_sdio>;
> status = "okay";