On Sun Apr 28, 2024 at 2:36 PM CEST, Chukun Pan wrote: > [...] > +&sdhci { > + bus-width = <8>; > + max-frequency = <200000000>; > + mmc-hs200-1_8v; Out of curiosity, does this board also support HS400? From a very brief look this board seems quite similar to Rock 4 series boards, that do support HS400. > + non-removable; > + pinctrl-names = "default"; > + pinctrl-0 = <&emmc_bus8 &emmc_clk &emmc_cmd &emmc_datastrobe>; > + vmmc-supply = <&vcc_3v3>; > + vqmmc-supply = <&vcc_1v8>; > + status = "okay"; > +};