linux-kernel - Re: [RESEND v2 1/6] dt-bindings: power: Add JH7110 AON PMU support

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Message-ID: <9e7b265d-bfe5-f583-2357-d8e342bcf982@linaro.org>
Date:   Sat, 6 May 2023 08:31:19 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Changhuang Liang <changhuang.liang@...rfivetech.com>,
        Conor Dooley <conor.dooley@...rochip.com>
Cc:     Conor Dooley <conor@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Emil Renner Berthing <kernel@...il.dk>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Walker Chen <walker.chen@...rfivetech.com>,
        Hal Feng <hal.feng@...rfivetech.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-riscv@...ts.infradead.org, vkoul@...nel.org,
        linux-phy@...ts.infradead.org
Subject: Re: [RESEND v2 1/6] dt-bindings: power: Add JH7110 AON PMU support

On 06/05/2023 03:45, Changhuang Liang wrote:
> 
> 
> On 2023/5/5 20:38, Conor Dooley wrote:
>> On Fri, May 05, 2023 at 09:29:15AM +0800, Changhuang Liang wrote:
>>
>>> But if keep this "starfive,jh7110-aon-syscon" compatible. Which .yaml match to
>>> it? Use this series dt-bindings or syscon series dt-bindings.
>>
>> There is no syscon series anymore, it's part of the PLL series now:
>> https://lore.kernel.org/linux-clk/20230414024157.53203-1-xingyu.wu@starfivetech.com/
>>
>> I don't really care what you, Walker & Xingyu decide to do, but add the
>> binding in one series in a complete form. It's far less confusing to
>> have only have one version of the binding on the go at once.
>>
> 
> Hi, Krzysztof and Conor
> 
> Due to the current aon pmu needs to be adjusted, it affects the syscon in PLL series.
> So It's inevitable to change syscon in PLL series.
> 
> My current idea is PLL series don't add the aon_syscon node. I will add it in my
> aon pmu series in next version like this:
> 
> aon_syscon: syscon@...10000 {
> 	compatible = "starfive,jh7110-aon-pmu", "syscon";
> 	reg = <0x0 0x17010000 0x0 0x1000>;
> 	#power-domain-cells = <1>;
> };
> 
> In my opinion, the first we add "starfive,jh7110-aon-syscon" because "syscon" can 
> not appear alone in the compatible. If we have "starfive,jh7110-aon-pmu", this
> "starfive,jh7110-aon-syscon" is not a must-be need.
> 
> Do you agree with doing so.

Sorry guys, I don't know what you talk about. I have no clue what are
PLL and aon series. More over I don't understand what is complicated
here... all SoCs follow the same rules and similar way of development.

Best regards,
Krzysztof