[PATCH v2 13/30] arm64: dts: rockchip: Enable onboard eMMC on Radxa E20C

Kever Yang kever.yang at rock-chips.com
Tue Apr 8 05:22:29 CEST 2025


On 2025/4/8 06:46, Jonas Karlman wrote:
> The Radxa E20C may come with an onboard eMMC (8GB / 16GB / 32GB / 64GB).
>
> Enable support for the onboard eMMC on Radxa E20C.
>
> Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
> Link: https://lore.kernel.org/r/20250305214108.1327208-4-jonas@kwiboo.se
> Signed-off-by: Heiko Stuebner <heiko at sntech.de>
>
> [ upstream commit: 3a01b5f14a8ae2d45aea5aeed30001ac1655de86 ]
>
> (cherry picked from commit bd4c8a1c08f92d863d89c0ddff59e5f5bc6a1e34)
> Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
Reviewed-by: Kever Yang <kever.yang at rock-chips.com>

Thanks,
- Kever
> ---
>   .../src/arm64/rockchip/rk3528-radxa-e20c.dts      | 15 +++++++++++++++
>   1 file changed, 15 insertions(+)
>
> diff --git a/dts/upstream/src/arm64/rockchip/rk3528-radxa-e20c.dts b/dts/upstream/src/arm64/rockchip/rk3528-radxa-e20c.dts
> index 5346ef457c2a..57a446b5cbd6 100644
> --- a/dts/upstream/src/arm64/rockchip/rk3528-radxa-e20c.dts
> +++ b/dts/upstream/src/arm64/rockchip/rk3528-radxa-e20c.dts
> @@ -15,6 +15,10 @@
>   	model = "Radxa E20C";
>   	compatible = "radxa,e20c", "rockchip,rk3528";
>   
> +	aliases {
> +		mmc0 = &sdhci;
> +	};
> +
>   	chosen {
>   		stdout-path = "serial0:1500000n8";
>   	};
> @@ -133,6 +137,17 @@
>   	status = "okay";
>   };
>   
> +&sdhci {
> +	bus-width = <8>;
> +	cap-mmc-highspeed;
> +	no-sd;
> +	no-sdio;
> +	non-removable;
> +	vmmc-supply = <&vcc_3v3>;
> +	vqmmc-supply = <&vcc_1v8>;
> +	status = "okay";
> +};
> +
>   &uart0 {
>   	pinctrl-names = "default";
>   	pinctrl-0 = <&uart0m0_xfer>;


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