[PATCH v2 3/3] riscv: dts: sophgo: Add SPI NOR node for SG2042

[Pratyush Yadav]

On Sun, May 25 2025, Zixian Zeng wrote:

> Add SPI-NOR controller and flash nodes to device tree for SG2042.
>
> Signed-off-by: Zixian Zeng <sycamoremoon376 at gmail.com>
> ---
>  .../riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts | 18 ++++++++++++++++
>  arch/riscv/boot/dts/sophgo/sg2042.dtsi             | 24 ++++++++++++++++++++++
>  2 files changed, 42 insertions(+)
>
> diff --git a/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts b/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts
> index 34645a5f6038389cd00d4940947c6bb71d39ec6f..c59a819e35d3201c484bf98392aec14392a7eb04 100644
> --- a/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts
> +++ b/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts
> @@ -68,6 +68,24 @@ &sd {
>  	status = "okay";
>  };
>  
> +&spifmc0 {
> +	status = "okay";
> +
> +	flash at 0 {
> +		compatible = "jedec,spi-nor";
> +		reg = <0>;

Shouldn't you also add other properties like spi-max-frequency or
spi-{rx,tx}-bus-width? Same for the other flash.

> +	};
> +};
> +
> +&spifmc1 {
> +	status = "okay";
> +
> +	flash at 0 {
> +		compatible = "jedec,spi-nor";
> +		reg = <0>;
> +	};
> +};
> +
>  &uart0 {
>  	status = "okay";
>  };
[...]

-- 
Regards,
Pratyush Yadav