[PATCH] rockchip: tiger-rk3588: disable HS400

[Kever Yang]

On 2026/1/9 19:17, Quentin Schulz wrote:
> From: Quentin Schulz <quentin.schulz at cherry.de>
>
> Tiger suffers from eMMC signal integrity issues which means we can only
> run it at HS200 max.
>
> The Device Tree has these properties removed since v6.18 (commit
> baa18d577cd4 ("arm64: dts: rockchip: disable HS400 on RK3588 Tiger")),
> which has now merged in U-Boot.
>
> Since the controller side doesn't support HS400 anymore, let's not
> confuse users as to why HS400 is enabled in the config but not working
> as we know it cannot work (and won't be used anyway since the controller
> doesn't advertise support for it in the Device Tree).
>
> Signed-off-by: Quentin Schulz <quentin.schulz at cherry.de>
Reviewed-by: Kever Yang <kever.yang at rock-chips.com>

Thanks,
- Kever
> ---
>   configs/tiger-rk3588_defconfig | 4 ----
>   1 file changed, 4 deletions(-)
>
> diff --git a/configs/tiger-rk3588_defconfig b/configs/tiger-rk3588_defconfig
> index 50a3b553a11..a545ec714b5 100644
> --- a/configs/tiger-rk3588_defconfig
> +++ b/configs/tiger-rk3588_defconfig
> @@ -76,10 +76,6 @@ CONFIG_MMC_IO_VOLTAGE=y
>   CONFIG_SPL_MMC_IO_VOLTAGE=y
>   CONFIG_MMC_UHS_SUPPORT=y
>   CONFIG_SPL_MMC_UHS_SUPPORT=y
> -CONFIG_MMC_HS400_ES_SUPPORT=y
> -CONFIG_SPL_MMC_HS400_ES_SUPPORT=y
> -CONFIG_MMC_HS400_SUPPORT=y
> -CONFIG_SPL_MMC_HS400_SUPPORT=y
>   CONFIG_MMC_DW=y
>   CONFIG_MMC_DW_ROCKCHIP=y
>   CONFIG_MMC_SDHCI=y
>
> ---
> base-commit: 141be72e2a9d43aa4e3d1a6a6e0ab8f9eb8784c6
> change-id: 20260108-tiger-no-hs400-445df94a6a6d
>
> Best regards,