linux-kernel - Re: [PATCH 4/5] riscv: dts: sophgo: add initial CV1800B SoC device tree

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Date:   Wed, 4 Oct 2023 09:57:33 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Chen Wang <unicorn_wang@...look.com>,
        Jisheng Zhang <jszhang@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Anup Patel <anup@...infault.org>
Cc:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-riscv@...ts.infradead.org,
        Inochi Amaoto <inochiama@...look.com>, chao.wei@...hgo.com,
        xiaoguang.xing@...hgo.com
Subject: Re: [PATCH 4/5] riscv: dts: sophgo: add initial CV1800B SoC device
 tree

On 04/10/2023 09:23, Chen Wang wrote:
> 
> 在 2023/9/30 20:39, Jisheng Zhang 写道:
>> Add initial device tree for the CV1800B RISC-V SoC by SOPHGO.
>>
>> Signed-off-by: Jisheng Zhang <jszhang@...nel.org>
>> ---
>>   arch/riscv/boot/dts/sophgo/cv1800b.dtsi | 117 ++++++++++++++++++++++++
>>   1 file changed, 117 insertions(+)
>>   create mode 100644 arch/riscv/boot/dts/sophgo/cv1800b.dtsi
> 
> Hi, Jisheng, as far as I know, sg2042 and cv180x are now tracked by 
> different people and even in sophgo, they are two independent 
> projects(sg2042 is target for HPC and cv180x is target for embeded 
> device). To facilitate future management and review, I recommend 
> registering the maintainer information in two entries in MAINTAINERS. 
> The example is as follows:
> 
> ```
> 
> SOPHGO CV180X DEVICETREES
> M:  Jisheng Zhang <jszhang@...nel.org>
> F:  arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts
> F:  arch/riscv/boot/dts/sophgo/cv1800b.dtsi
> 
> SOPHGO SG2042 DEVICETREES
> M:  Chao Wei <chao.wei@...hgo.com>
> M:  Chen Wang <unicornxw@...il.com>
> S:  Maintained
> F:  arch/riscv/boot/dts/sophgo/Makefile
> F:  arch/riscv/boot/dts/sophgo/sg2042-cpus.dtsi
> F:  arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts
> F:  arch/riscv/boot/dts/sophgo/sg2042.dtsi
> F:  Documentation/devicetree/bindings/riscv/sophgo.yaml
> ```
> 
> For Makefile and sophgo.yaml such common files, just keep in sg2042 
> entry should be fine.
> 
> @Conor, what do you think?

We do no have usually per-board maintainer entries (with few
exceptions). I strongly prefer this one instead:

https://lore.kernel.org/all/829b122da52482707b783dc3d93d3ff0179cb0ca.camel@perches.com/

Best regards,
Krzysztof