The eMMC 5.x that Libre Computer provide for their boards supports HS200 mode. The support is already included in the dts for their newest board: La Frite (AML-S805X-AC) dts: arch/arm64/boot/dts/amlogic/meson-gxl-s805x-libretech-ac.dts That same eMMC is supported in the ROC-RK3328-CC: https://www.loverpi.com/products/libre-computer-board-emmc-5-x-module This increases the speed of the eMMC significantly. Signed-off-by: Leonidas P. Papadakos <papadakospan@xxxxxxxxx> --- Changes since v1: - disable-wp isn't needed. - limit max_frequency to 150MHz for rk3328 arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dts | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dts b/arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dts index c213ad74d..db3246995 100644 --- a/arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dts +++ b/arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dts @@ -122,6 +122,9 @@ &emmc { bus-width = <8>; cap-mmc-highspeed; + max-frequency = <150000000>; + mmc-ddr-1_8v; + mmc-hs200-1_8v; non-removable; pinctrl-names = "default"; pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8>; -- 2.21.0
