linux-kernel - Re: [PATCH 4/4] riscv: dts: sophgo: Enable SPI NOR node for SG2042_EVB

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Message-ID:
 <MAUPR01MB11072CB6BD1EC94B752AA1F8BFE34A@MAUPR01MB11072.INDPRD01.PROD.OUTLOOK.COM>
Date: Fri, 15 Aug 2025 11:56:22 +0800
From: Chen Wang <unicorn_wang@...look.com>
To: Zixian Zeng <sycamoremoon376@...il.com>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Inochi Amaoto <inochiama@...il.com>,
 Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt
 <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>,
 Alexandre Ghiti <alex@...ti.fr>
Cc: devicetree@...r.kernel.org, sophgo@...ts.linux.dev,
 linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
 Han Gao <rabenda.cn@...il.com>
Subject: Re: [PATCH 4/4] riscv: dts: sophgo: Enable SPI NOR node for
 SG2042_EVB_V2


On 8/13/2025 4:33 PM, Zixian Zeng wrote:
> Enable SPI NOR node for SG2042_EVB_V2 device tree
>
> Signed-off-by: Han Gao <rabenda.cn@...il.com>
> Signed-off-by: Zixian Zeng <sycamoremoon376@...il.com>
> ---
>   arch/riscv/boot/dts/sophgo/sg2042-evb-v2.dts | 12 ++++++++++++
>   1 file changed, 12 insertions(+)
>
> diff --git a/arch/riscv/boot/dts/sophgo/sg2042-evb-v2.dts b/arch/riscv/boot/dts/sophgo/sg2042-evb-v2.dts
> index 46980e41b886ce17dacce791fa5f2cef14cfa214..7001d8ffdc3e04c5a5cd5da85a4fb1c0351eb9a5 100644
> --- a/arch/riscv/boot/dts/sophgo/sg2042-evb-v2.dts
> +++ b/arch/riscv/boot/dts/sophgo/sg2042-evb-v2.dts
> @@ -226,6 +226,18 @@ &sd {
>   	status = "okay";
>   };
>   
> +&spifmc1 {
> +	status = "okay";
> +
> +	flash@0 {
> +		compatible = "jedec,spi-nor";
> +		reg = <0>;
> +		spi-max-frequency = <100000000>;
> +		spi-tx-bus-width = <4>;
> +		spi-rx-bus-width = <4>;
> +	};
> +};
> +

Only spifmc1 on EVB_V2? What about spifmc0?

Otherwise:

Reviewed-by: Chen Wang <unicorn_wang@...look.com>

>   &uart0 {
>   	pinctrl-0 = <&uart0_cfg>;
>   	pinctrl-names = "default";
>