[PATCH 2/2] arm64: dts: rockchip: rk3399: Radxa ROCK 4C+

FUKAUMI Naoki naoki at radxa.com
Mon Aug 29 13:17:52 PDT 2022


Hello,

thank you very much for your work!

> +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-rock-4c-plus.dtb

this is not an objection, just a note for me, currently our(Radxa)
u-boot try to load "rk3399-rock-pi-4c-plus.dtb".

> +#include "rk3399-opp.dtsi"

ROCK 4C+ has RK3399-T. it needs different opp table.

> +	aliases {
> +		mmc0 = &sdmmc;

please add

		mmc1 = &sdhci;

as like as other ROCK (Pi) 4 series.

> +&hdmi_sound {
> +	status = "okay";
> +};

please add

&i2s2 {
	status = "okay";
};

too.

> +&sdmmc {
> +	bus-width = <4>;
> +	cap-mmc-highspeed;
> +	cap-sd-highspeed;
> +	card-detect-delay = <800>;
> +	disable-wp;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&sdmmc_clk &sdmmc_cd &sdmmc_cmd &sdmmc_bus4>;
> +	vqmmc-supply = <&vccio_sd>;
> +	status = "okay";
> +};

does card detect work for you? it doesn't work for me. I think it
needs

	cd-gpios = <&gpio0 RK_PA7 GPIO_ACTIVE_LOW>;

instead of "&sdmmc_cd".

Best regards,

--
FUKAUMI Naoki



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