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SubjectRe: [PATCH v2 5/5] riscv: dts: sophgo: add Milk-V Duo board device tree
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On 2023/10/6 20:14, Jisheng Zhang wrote:
> Milk-V Duo[1] board is an embedded development platform based on the
> CV1800B chip. Add minimal device tree files for the development board.
>
> Support basic uart drivers, so supports booting to a basic shell.
>
> Link: https://milkv.io/duo [1]
> Signed-off-by: Jisheng Zhang <jszhang@kernel.org>

Acked-by: Chen Wang <unicorn_wang@outlook.com>

Thanks, Chen

> ---
> arch/riscv/boot/dts/sophgo/Makefile | 2 +-
> .../boot/dts/sophgo/cv1800b-milkv-duo.dts | 38 +++++++++++++++++++
> 2 files changed, 39 insertions(+), 1 deletion(-)
> create mode 100644 arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts
>
> diff --git a/arch/riscv/boot/dts/sophgo/Makefile b/arch/riscv/boot/dts/sophgo/Makefile
> index 5a471b19df22..3fb65512c631 100644
> --- a/arch/riscv/boot/dts/sophgo/Makefile
> +++ b/arch/riscv/boot/dts/sophgo/Makefile
> @@ -1,3 +1,3 @@
> # SPDX-License-Identifier: GPL-2.0
> +dtb-$(CONFIG_ARCH_SOPHGO) += cv1800b-milkv-duo.dtb
> dtb-$(CONFIG_ARCH_SOPHGO) += sg2042-milkv-pioneer.dtb
> -
> diff --git a/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts b/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts
> new file mode 100644
> index 000000000000..3af9e34b3bc7
> --- /dev/null
> +++ b/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts
> @@ -0,0 +1,38 @@
> +// SPDX-License-Identifier: (GPL-2.0 OR MIT)
> +/*
> + * Copyright (C) 2023 Jisheng Zhang <jszhang@kernel.org>
> + */
> +
> +/dts-v1/;
> +
> +#include "cv1800b.dtsi"
> +
> +/ {
> + model = "Milk-V Duo";
> + compatible = "milkv,duo", "sophgo,cv1800b";
> +
> + aliases {
> + serial0 = &uart0;
> + serial1 = &uart1;
> + serial2 = &uart2;
> + serial3 = &uart3;
> + serial4 = &uart4;
> + };
> +
> + chosen {
> + stdout-path = "serial0:115200n8";
> + };
> +
> + memory@80000000 {
> + device_type = "memory";
> + reg = <0x80000000 0x3f40000>;
> + };
> +};
> +
> +&osc {
> + clock-frequency = <25000000>;
> +};
> +
> +&uart0 {
> + status = "okay";
> +};

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