Re: [PATCH 4/4] arm64: dts: allwinner: add Radxa Cubie A7S

["Jernej Škrabec" <jernej.skrabec@gmail.com>]

Dne sobota, 13. junij 2026 ob 11:42:16 Srednjeevropski poletni čas je Enzo Adriano via B4 Relay napisal(a):
> From: Enzo Adriano <enzo.adriano.code@gmail.com>
> 
> Add the Radxa Cubie A7S board description with serial console and SD card
> boot support.
> 
> Ethernet remains disabled until the GMAC210 wrapper, clocks, resets,
> MDIO, PHY reset, PHY power, and link behavior are proven.
> 
> Signed-off-by: Enzo Adriano <enzo.adriano.code@gmail.com>
> ---
>  arch/arm64/boot/dts/allwinner/Makefile             |  1 +
>  .../boot/dts/allwinner/sun60i-a733-cubie-a7s.dts   | 48 ++++++++++++++++++++++
>  2 files changed, 49 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/allwinner/Makefile b/arch/arm64/boot/dts/allwinner/Makefile
> index d116864b6c2b..824cc35152db 100644
> --- a/arch/arm64/boot/dts/allwinner/Makefile
> +++ b/arch/arm64/boot/dts/allwinner/Makefile
> @@ -56,6 +56,7 @@ dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h700-anbernic-rg35xx-2024.dtb
>  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h700-anbernic-rg35xx-h.dtb
>  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h700-anbernic-rg35xx-plus.dtb
>  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h700-anbernic-rg35xx-sp.dtb
> +dtb-$(CONFIG_ARCH_SUNXI) += sun60i-a733-cubie-a7s.dtb
>  dtb-$(CONFIG_ARCH_SUNXI) += sun55i-a527-cubie-a5e.dtb
>  dtb-$(CONFIG_ARCH_SUNXI) += sun55i-h728-x96qpro+.dtb
>  dtb-$(CONFIG_ARCH_SUNXI) += sun55i-t527-avaota-a1.dtb
> diff --git a/arch/arm64/boot/dts/allwinner/sun60i-a733-cubie-a7s.dts b/arch/arm64/boot/dts/allwinner/sun60i-a733-cubie-a7s.dts
> new file mode 100644
> index 000000000000..453761a96323
> --- /dev/null
> +++ b/arch/arm64/boot/dts/allwinner/sun60i-a733-cubie-a7s.dts
> @@ -0,0 +1,48 @@
> +// SPDX-License-Identifier: (GPL-2.0-only OR MIT)
> +
> +/dts-v1/;
> +
> +#include "sun60i-a733.dtsi"
> +
> +/ {
> +	model = "Radxa Cubie A7S";
> +	compatible = "radxa,cubie-a7s", "allwinner,sun60i-a733";
> +
> +	aliases {
> +		serial0 = &uart0;
> +		mmc0 = &mmc0;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0:115200n8";
> +	};
> +
> +	reg_vcc3v3: vcc3v3 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vcc-3v3";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		regulator-always-on;
> +	};
> +};
> +
> +&mmc0 {
> +	vmmc-supply = <&reg_vcc3v3>;
> +	bus-width = <4>;
> +	no-mmc;
> +	no-sdio;
> +	status = "okay";
> +};
> +
> +&pio {
> +	uart0_pb9_pb10_pins: uart0-pb9-pb10-pins {
> +		pins = "PB9", "PB10";
> +		function = "uart0";
> +	};

Besides sashiko bot comments, these pins should go to main A733 DTSI,
like it's done for other SoCs.

In any case, it's a bit early for DT. At least clocks should land before.

Best regards,
Jernej

> +};
> +
> +&uart0 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&uart0_pb9_pb10_pins>;
> +	status = "okay";
> +};
> 
>