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

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Message-ID: <f834087b-da1c-88a0-93fe-bc72c8ac71ff@ti.com>
Date:   Wed, 22 Jan 2020 08:34:20 -0600
From:   Dan Murphy <dmurphy@...com>
To:     Sekhar Nori <nsekhar@...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

Sekhar

On 1/22/20 8:24 AM, Sekhar Nori wrote:
> 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?

+1

Dan