Re: [PATCH v5 RESEND 2/5] arm64: dts: sophgo: add initial Milk-V Duo S board support

From: Inochi Amaoto <inochiama@gmail.com>
To: Joshua Milas <josh.milas@gmail.com>,
	tglx@kernel.org, robh@kernel.org,  krzk+dt@kernel.org,
	conor+dt@kernel.org, pjw@kernel.org, samuel.holland@sifive.com,
	 unicorn_wang@outlook.com, inochiama@gmail.com,
	daniel.lezcano@linaro.org,  palmer@dabbelt.com,
	aou@eecs.berkeley.edu, alex@ghiti.fr,
	 liujingqi@lanxincomputing.com, alexander.sverdlin@gmail.com,
	rabenda.cn@gmail.com,  dlan@kernel.org, chao.wei@sophgo.com,
	anup@brainfault.org
Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
	 linux-riscv@lists.infradead.org, sophgo@lists.linux.dev,
	hanguidong02@gmail.com,  michael.opdenacker@rootcommit.com
Subject: Re: [PATCH v5 RESEND 2/5] arm64: dts: sophgo: add initial Milk-V Duo S board support
Date: Sun, 31 May 2026 06:01:30 +0800	[thread overview]
Message-ID: <ahteG0AtGbTLexVu@inochi.infowork> (raw)
In-Reply-To: <20260530173347.33533-3-josh.milas@gmail.com>

On Sat, May 30, 2026 at 01:33:44PM -0400, Joshua Milas wrote:
> Adds initial arm64 support for the Milk-V Duo S board
> [1] making it possible to boot Linux to the command line.
> 
> Link: https://milkv.io/duo-s [1]
> 
> Signed-off-by: Joshua Milas <josh.milas@gmail.com>
> ---
>  arch/arm64/boot/dts/sophgo/Makefile           |  1 +
>  .../boot/dts/sophgo/sg2000-milkv-duo-s.dts    | 85 +++++++++++++++++++
>  2 files changed, 86 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/sophgo/sg2000-milkv-duo-s.dts
> 
> diff --git a/arch/arm64/boot/dts/sophgo/Makefile b/arch/arm64/boot/dts/sophgo/Makefile
> index 94f52cd7d994b..68aace728223a 100644
> --- a/arch/arm64/boot/dts/sophgo/Makefile
> +++ b/arch/arm64/boot/dts/sophgo/Makefile
> @@ -1,2 +1,3 @@
>  # SPDX-License-Identifier: GPL-2.0
>  dtb-$(CONFIG_ARCH_SOPHGO) += sg2000-milkv-duo-module-01-evb.dtb
> +dtb-$(CONFIG_ARCH_SOPHGO) += sg2000-milkv-duo-s.dtb
> diff --git a/arch/arm64/boot/dts/sophgo/sg2000-milkv-duo-s.dts b/arch/arm64/boot/dts/sophgo/sg2000-milkv-duo-s.dts
> new file mode 100644
> index 0000000000000..8632470f43ab0
> --- /dev/null
> +++ b/arch/arm64/boot/dts/sophgo/sg2000-milkv-duo-s.dts
> @@ -0,0 +1,85 @@
> +// SPDX-License-Identifier: (GPL-2.0 OR MIT)
> +
> +/dts-v1/;
> +
> +#include "sg2000.dtsi"
> +
> +/ {
> +	model = "Milk-V Duo S";
> +	compatible = "milkv,duo-s", "sophgo,sg2000";
> +
> +	aliases {
> +		i2c4 = &i2c4;
> +		mmc0 = &sdhci0;
> +		serial0 = &uart0;
> +		spi3 = &spi3;

Apply the same change for the reply on v5.

Regards,
Inochi

> +	};
> +
> +	chosen {
> +		stdout-path = "serial0:115200n8";
> +	};
> +};
> +
> +&osc {
> +	clock-frequency = <25000000>;
> +};
> +
> +&dmac {
> +	status = "okay";
> +};
> +
> +&emmc {
> +	bus-width = <4>;
> +	no-1-8-v;
> +	cap-mmc-hw-reset;
> +	no-sd;
> +	no-sdio;
> +	non-removable;
> +	status = "okay";
> +};
> +
> +&gmac0 {
> +	status = "okay";
> +};
> +
> +&i2c4 {
> +	status = "okay";
> +};
> +
> +&mdio {
> +	status = "okay";
> +};
> +
> +&saradc {
> +	status = "okay";
> +};
> +
> +&sdhci0 {
> +	bus-width = <4>;
> +	no-1-8-v;
> +	disable-wp;
> +	status = "okay";
> +};
> +
> +&sdhci1 {
> +	bus-width = <4>;
> +	cap-sdio-irq;
> +	no-mmc;
> +	no-sd;
> +	non-removable;
> +	status = "okay";
> +};
> +
> +&spi3 {
> +	status = "okay";
> +};
> +
> +&uart0 {
> +	status = "okay";
> +};
> +
> +&usb {
> +	dr_mode = "host";
> +	status = "okay";
> +};
> +
> -- 
> 2.53.0
> 

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