linux-kernel - Re: [PATCH 3/3] riscv: dts: sophgo: add Sophgo SPI NOR controller driver

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Message-ID:
 <PN0PR01MB91662EB902D8B337A0526458FEC32@PN0PR01MB9166.INDPRD01.PROD.OUTLOOK.COM>
Date: Tue, 25 Feb 2025 08:23:36 +0800
From: Chen Wang <unicorn_wang@...look.com>
To: Longbin Li <looong.bin@...il.com>
Cc: linux-spi@...r.kernel.org, devicetree@...r.kernel.org,
 sophgo@...ts.linux.dev, linux-kernel@...r.kernel.org,
 linux-riscv@...ts.infradead.org, Mark Brown <broonie@...nel.org>,
 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>
Subject: Re: [PATCH 3/3] riscv: dts: sophgo: add Sophgo SPI NOR controller
 driver


On 2025/2/24 18:12, Longbin Li wrote:
> Add SPI NOR device node for Sophgo.
>
> Signed-off-by: Longbin Li <looong.bin@...il.com>
> ---
>   .../boot/dts/sophgo/sg2044-sophgo-sd3-10.dts  | 18 ++++++++++++++
>   arch/riscv/boot/dts/sophgo/sg2044.dtsi        | 24 +++++++++++++++++++
>   2 files changed, 42 insertions(+)
>
> diff --git a/arch/riscv/boot/dts/sophgo/sg2044-sophgo-sd3-10.dts b/arch/riscv/boot/dts/sophgo/sg2044-sophgo-sd3-10.dts
> index c50e61a50013..9c634920f37e 100644
> --- a/arch/riscv/boot/dts/sophgo/sg2044-sophgo-sd3-10.dts
> +++ b/arch/riscv/boot/dts/sophgo/sg2044-sophgo-sd3-10.dts
> @@ -80,6 +80,24 @@ &sd {
>   	status = "okay";
>   };
>
> +&spifmc0 {
> +	status = "okay";
> +
> +	flash@0 {
> +		compatible = "jedec,spi-nor";
> +		reg = <0>;
> +	};
> +};
> +
> +&spifmc1 {
> +	status = "okay";
> +
> +	flash@0 {
> +		compatible = "jedec,spi-nor";
> +		reg = <0>;
> +	};
> +};
> +
>   &uart1 {
>   	status = "okay";
>   };

What is your baseline? I can't see "sg2044-sophgo-sd3-10.dts " on the 
latest mainline yet.

BTW,  the name "sg2044-sophgo-sd3-10" seems a bit redundant. Wouldn't 
"sg2044-sd3-10" be better?

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