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Message-ID: <ce3e0ffb-abcd-2392-8767-db460bce4b4b@starfivetech.com>
Date:   Fri, 21 Jul 2023 15:27:33 +0800
From:   Guo Samin <samin.guo@...rfivetech.com>
To:     Conor Dooley <conor@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Hal Feng <hal.feng@...rfivetech.com>,
        <linux-kernel@...r.kernel.org>, <linux-riscv@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <netdev@...r.kernel.org>
CC:     Conor Dooley <conor.dooley@...rochip.com>,
        Emil Renner Berthing <emil.renner.berthing@...onical.com>,
        Emil Renner Berthing <kernel@...il.dk>,
        Richard Cochran <richardcochran@...il.com>,
        "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Jose Abreu <joabreu@...opsys.com>,
        Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Peter Geis <pgwipeout@...il.com>,
        Yanhong Wang <yanhong.wang@...rfivetech.com>,
        Tommaso Merciai <tomm.merciai@...il.com>
Subject: Re: [PATCH v1 0/2] Add ethernet nodes for StarFive JH7110 SoC



-------- 原始信息 --------
主题: Re: [PATCH v1 0/2] Add ethernet nodes for StarFive JH7110 SoC
From: Conor Dooley <conor@...nel.org>
收件人: Guo Samin <samin.guo@...rfivetech.com>, Rob Herring <robh+dt@...nel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>, Hal Feng <hal.feng@...rfivetech.com>, linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org, devicetree@...r.kernel.org, netdev@...r.kernel.org
日期: 2023/7/21

> 
> 
> On 21 July 2023 03:09:19 IST, Guo Samin <samin.guo@...rfivetech.com> wrote:
>>
>>
>> -------- 原始信息 --------
>> 主题: Re: [PATCH v1 0/2] Add ethernet nodes for StarFive JH7110 SoC
>> From: Conor Dooley <conor@...nel.org>
>> 收件人: Conor Dooley <conor@...nel.org>, Rob Herring <robh+dt@...nel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>, Hal Feng <hal.feng@...rfivetech.com>, linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org, devicetree@...r.kernel.org, netdev@...r.kernel.org, Samin Guo <samin.guo@...rfivetech.com>
>> 日期: 2023/7/21
>>
>>> From: Conor Dooley <conor.dooley@...rochip.com>
>>>
>>> On Fri, 14 Jul 2023 18:45:19 +0800, Samin Guo wrote:
>>>> This series adds ethernet nodes for StarFive JH7110 RISC-V SoC,
>>>> and has been tested on StarFive VisionFive-2 v1.2A and v1.3B SBC boards.
>>>>
>>>> The first patch adds ethernet nodes for jh7110 SoC, the second patch
>>>> adds ethernet nodes for visionfive 2 SBCs.
>>>>
>>>> This series relies on xingyu's syscon patch[1].
>>>> For more information and support, you can visit RVspace wiki[2].
>>>>
>>>> [...]
>>>
>>> Applied to riscv-dt-for-next, thanks!
>>>
>>> [1/2] riscv: dts: starfive: jh7110: Add ethernet device nodes
>>>       https://git.kernel.org/conor/c/1ff166c97972
>>> [2/2] riscv: dts: starfive: visionfive 2: Add configuration of gmac and phy
>>>       https://git.kernel.org/conor/c/b15a73c358d1
>>>
>>> Thanks,
>>> Conor.
>>
>>
>> Hi Conor,
>>
>> Thank you so much! 
>>
>> There is a question about the configuration of phy that I would like to consult you.
>>
>> Latest on motorcomm PHY V5[1]: Follow Rob Herring's advice
>> motorcomm,rx-xxx-driver-strength Changed to motorcomm,rx-xxx-drv-microamp .
>> V5 has already received a reviewed-by from Andrew Lunn, and it should not change again.
>>
>> Should I submit another pacthes based on riscv-dt-for-next? 
> 
> Huh, dtbs_check passed for these patches,
> I didn't realise changes to the motorcomm stuff
> were a dep. for this. I'll take a look later.
>
Hi Conor,

Thanks for taking the time to follow this.

After discussing with HAL, I have prepared the code and considered adding the following patch to 
Motorcomm's patchsetes v6. (To fix some spelling errors in v5[1])
which will then send patches based on linux-next. What do you think? @Andrew @Conor

[1] https://patchwork.kernel.org/project/netdevbpf/cover/20230720111509.21843-1-samin.guo@starfivetech.com



--- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2-v1.3b.dts
+++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2-v1.3b.dts
@@ -28,8 +28,8 @@
        motorcomm,tx-clk-adj-enabled;
        motorcomm,tx-clk-100-inverted;
        motorcomm,tx-clk-1000-inverted;
-       motorcomm,rx-clk-driver-strength = <3970>;
-       motorcomm,rx-data-driver-strength = <2910>;
+       motorcomm,rx-clk-drv-microamp = <3970>;
+       motorcomm,rx-data-drv-microamp = <2910>;
        rx-internal-delay-ps = <1500>;
        tx-internal-delay-ps = <1500>;
 };
@@ -37,8 +37,8 @@
 &phy1 {
        motorcomm,tx-clk-adj-enabled;
        motorcomm,tx-clk-100-inverted;
-       motorcomm,rx-clk-driver-strength = <3970>;
-       motorcomm,rx-data-driver-strength = <2910>;
+       motorcomm,rx-clk-drv-microamp = <3970>;
+       motorcomm,rx-data-drv-microamp = <2910>;
        rx-internal-delay-ps = <300>;
        tx-internal-delay-ps = <0>;
 };


Best regards,
Samin

>>
>> [1] https://patchwork.kernel.org/project/netdevbpf/cover/20230720111509.21843-1-samin.guo@starfivetech.com
>>
>>
>> Best regards,
>> Samin

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