linux-kernel - Re: [PATCH 1/3] dt-bindings: net: can: m_can: Add Documentation for stb-gpios

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Message-ID: <8fc7c343-267d-c91c-0381-60990cfc35e8@ti.com>
Date:   Wed, 22 Jan 2020 19:54:18 +0530
From:   Sekhar Nori <nsekhar@...com>
To:     Dan Murphy <dmurphy@...com>, Faiz Abbas <faiz_abbas@...com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <netdev@...r.kernel.org>, <linux-can@...r.kernel.org>
CC:     <catalin.marinas@....com>, <mark.rutland@....com>,
        <robh+dt@...nel.org>, <davem@...emloft.net>, <mkl@...gutronix.de>,
        <wg@...ndegger.com>, <sriram.dash@...sung.com>, <nm@...com>,
        <t-kristo@...com>
Subject: Re: [PATCH 1/3] dt-bindings: net: can: m_can: Add Documentation for
 stb-gpios

On 22/01/20 7:05 PM, Dan Murphy wrote:
> Faiz
> 
> On 1/22/20 2:03 AM, Faiz Abbas wrote:
>> The CAN transceiver on some boards has an STB pin which is
>> used to control its standby mode. Add an optional property
>> stb-gpios to toggle the same.
>>
>> Signed-off-by: Faiz Abbas <faiz_abbas@...com>
>> Signed-off-by: Sekhar Nori <nsekhar@...com>
>> ---
>>   Documentation/devicetree/bindings/net/can/m_can.txt | 2 ++
>>   1 file changed, 2 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/net/can/m_can.txt
>> b/Documentation/devicetree/bindings/net/can/m_can.txt
>> index ed614383af9c..cc8ba3f7a2aa 100644
>> --- a/Documentation/devicetree/bindings/net/can/m_can.txt
>> +++ b/Documentation/devicetree/bindings/net/can/m_can.txt
>> @@ -48,6 +48,8 @@ Optional Subnode:
>>                 that can be used for CAN/CAN-FD modes. See
>>                
>> Documentation/devicetree/bindings/net/can/can-transceiver.txt
>>                 for details.
>> +stb-gpios        : gpio node to toggle the STB (standby) signal on
>> the transceiver
>> +
> 
> The m_can.txt is for the m_can framework.  If this is specific to the
> platform then it really does not belong here.
> 
> If the platform has specific nodes then maybe we need a
> m_can_platform.txt binding for specific platform nodes.  But I leave
> that decision to Rob.

Since this is transceiver enable, should this not be in
Documentation/devicetree/bindings/net/can/can-transceiver.txt?

Thanks,
Sekhar