linux-kernel - Re: [PATCH v1 1/2] dt-bindings: net: motorcomm: Add pad driver strength cfg

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Message-ID: <05071579-4cf9-c5ac-49cd-213a76966943@starfivetech.com>
Date:   Thu, 27 Apr 2023 08:50:49 +0800
From:   Guo Samin <samin.guo@...rfivetech.com>
To:     Frank Sae <Frank.Sae@...or-comm.com>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <netdev@...r.kernel.org>, Peter Geis <pgwipeout@...il.com>
CC:     "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Andrew Lunn <andrew@...n.ch>,
        "Heiner Kallweit" <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        Yanhong Wang <yanhong.wang@...rfivetech.com>
Subject: Re: [PATCH v1 1/2] dt-bindings: net: motorcomm: Add pad driver
 strength cfg


Re: [PATCH v1 1/2] dt-bindings: net: motorcomm: Add pad driver strength cfg
From: Frank Sae <Frank.Sae@...or-comm.com>
to: Samin Guo <samin.guo@...rfivetech.com>, <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>, <netdev@...r.kernel.org>, Peter Geis <pgwipeout@...il.com>
data: 2023/4/26

> 
> 
> On 2023/4/26 14:35, Samin Guo wrote:
>> The motorcomm phy (YT8531) supports the ability to adjust the drive
>> strength of the rx_clk/rx_data, the value range of pad driver
>> strength is 0 to 7.
>>
>> Signed-off-by: Samin Guo <samin.guo@...rfivetech.com>
>> ---
>>  .../devicetree/bindings/net/motorcomm,yt8xxx.yaml      | 10 ++++++++++
>>  1 file changed, 10 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/net/motorcomm,yt8xxx.yaml b/Documentation/devicetree/bindings/net/motorcomm,yt8xxx.yaml
>> index 157e3bbcaf6f..e648e486b6d8 100644
>> --- a/Documentation/devicetree/bindings/net/motorcomm,yt8xxx.yaml
>> +++ b/Documentation/devicetree/bindings/net/motorcomm,yt8xxx.yaml
>> @@ -18,6 +18,16 @@ properties:
>>        - ethernet-phy-id4f51.e91a
>>        - ethernet-phy-id4f51.e91b
>>  
>> +  rx-clk-driver-strength:
>> +    description: drive strength of rx_clk pad.
>> +    enum: [ 0, 1, 2, 3, 4, 5, 6, 7 ]
>> +    default: 3
>> +
>> +  rx-data-driver-strength:
>> +    description: drive strength of rxd/rx_ctl rgmii pad.
>> +    enum: [ 0, 1, 2, 3, 4, 5, 6, 7 ]
>> +    default: 3
>> +
> 
> rx-clk-driver-strength and rx-data-driver-strength are not standard, so please add "motorcomm,".
> rx-clk-driver-strength => motorcomm,rx-clk-driver-strength
>

Thanks, I will fix it next version.


Best regards,
Samin
 
> 
>>    rx-internal-delay-ps:
>>      description: |
>>        RGMII RX Clock Delay used only when PHY operates in RGMII mode with