Re: [PATCH 0/3] Add Support for MCAN in AM654x-idk

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Marc,

On 23/01/20 4:47 pm, Marc Kleine-Budde wrote:
> On 1/22/20 9:03 AM, Faiz Abbas wrote:
>> This series adds driver patches to support MCAN in TI's AM654x-idk.
>>
>> Faiz Abbas (3):
>>   dt-bindings: net: can: m_can: Add Documentation for stb-gpios
>>   can: m_can: m_can_platform: Add support for enabling transceiver
>>     through the STB line
>>   arm64: defconfig: Add Support for Bosch M_CAN controllers
>>
>>  Documentation/devicetree/bindings/net/can/m_can.txt |  2 ++
>>  arch/arm64/configs/defconfig                        |  3 +++
>>  drivers/net/can/m_can/m_can_platform.c              | 12 ++++++++++++
>>  3 files changed, 17 insertions(+)
> 
> What about adding support for xceiver-supply as done in several other
> drivers (ti_hecc.c, flexcan.c, mcp251x.c)? And using this for the stb line?

Looks like you had given this feedback a long time ago and I forgot
about it. Sorry about that :-)

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

But now that I think about it, its kinda weird that we are modelling
part of the transceiver as a separate child node
(Documentation/devicetree/bindings/net/can/can-transceiver.txt) and the
other parts as a regulator.

Anyone looking at the transceiver node would figure thats where the
enable gpio/regulator node needs to go instead of the parent node.
Shouldn't we have all transceiver properties under the same node?

Thanks,
Faiz



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