linux-kernel - Re: [PATCH v2 1/3] dt-bindings: m_can: Add Documentation for transceiver regulator

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Message-ID: <72e4b1f4-e7f1-cccd-6327-0c8ab6f9f9a7@ti.com>
Date:   Wed, 26 Feb 2020 14:40:18 +0530
From:   Faiz Abbas <faiz_abbas@...com>
To:     Marc Kleine-Budde <mkl@...gutronix.de>,
        Rob Herring <robh@...nel.org>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <netdev@...r.kernel.org>, <linux-can@...r.kernel.org>,
        <broonie@...nel.org>, <lgirdwood@...il.com>,
        <catalin.marinas@....com>, <mark.rutland@....com>,
        <wg@...ndegger.com>, <sriram.dash@...sung.com>, <dmurphy@...com>
Subject: Re: [PATCH v2 1/3] dt-bindings: m_can: Add Documentation for
 transceiver regulator

Hi Marc,

On 21/02/20 2:01 pm, Marc Kleine-Budde wrote:
> On 2/21/20 9:31 AM, Faiz Abbas wrote:
>> Hi Rob,
>>
>> On 20/02/20 2:05 am, Rob Herring wrote:
>>> On Mon, Feb 17, 2020 at 07:58:34PM +0530, Faiz Abbas wrote:
>>>> Some CAN transceivers have a standby line that needs to be asserted
>>>> before they can be used. Model this GPIO lines as an optional
>>>> fixed-regulator node. Document bindings for the same.
>>>>
>>>> Signed-off-by: Faiz Abbas <faiz_abbas@...com>
>>>> ---
>>>>  Documentation/devicetree/bindings/net/can/m_can.txt | 3 +++
>>>>  1 file changed, 3 insertions(+)
>>>
>>> This has moved to DT schema in my tree, so please adjust it and resend.
>>
>> Ok.
>>>
>>>> diff --git a/Documentation/devicetree/bindings/net/can/m_can.txt b/Documentation/devicetree/bindings/net/can/m_can.txt
>>>> index ed614383af9c..f17e2a5207dc 100644
>>>> --- a/Documentation/devicetree/bindings/net/can/m_can.txt
>>>> +++ b/Documentation/devicetree/bindings/net/can/m_can.txt
>>>> @@ -48,6 +48,9 @@ Optional Subnode:
>>>>  			  that can be used for CAN/CAN-FD modes. See
>>>>  			  Documentation/devicetree/bindings/net/can/can-transceiver.txt
>>>>  			  for details.
>>>> +
>>>> +- xceiver-supply: Regulator that powers the CAN transceiver.
>>>
>>> The supply for a transceiver should go in the transceiver node.
>>>
>>
>> Marc, while I have you here, do you agree with this?
> 
> I'll look into the details later today.
> 

Sure. Be sure to take another look at my attempt to use the transceiver
with a phy driver some time ago.

https://lore.kernel.org/patchwork/patch/1006238/

Thanks,
Faiz