linux-kernel - Re: [PATCH 1/2] dt-bindings: hwinfo: Introduce board-id

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Date: Wed, 24 Jan 2024 18:14:05 +0530
From: Amrit Anand <quic_amrianan@...cinc.com>
To: Trilok Soni <quic_tsoni@...cinc.com>,
        Elliot Berman
	<quic_eberman@...cinc.com>
CC: <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <conor+dt@...nel.org>, <agross@...nel.org>, <konrad.dybcio@...aro.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-msm@...r.kernel.org>, <kernel@...cinc.com>,
        Conor Dooley
	<conor@...nel.org>, <andersson@...nel.org>,
        Krzysztof Kozlowski
	<krzysztof.kozlowski@...aro.org>
Subject: Re: [PATCH 1/2] dt-bindings: hwinfo: Introduce board-id


On 1/24/2024 1:35 AM, Trilok Soni wrote:
> On 1/23/2024 10:51 AM, Elliot Berman wrote:
>>
>> On 1/23/2024 9:18 AM, Conor Dooley wrote:
>>> On Tue, Jan 23, 2024 at 12:50:07PM +0100, Krzysztof Kozlowski wrote:
>>>> On 22/01/2024 11:10, Amrit Anand wrote:
>>>>> On 1/21/2024 12:40 AM, Trilok Soni wrote:
>>>>>> On 1/20/2024 3:20 AM, Amrit Anand wrote:
>>>>>>> From: Elliot Berman <quic_eberman@...cinc.com>
>>>>>>>
>>>>>>> Device manufacturers frequently ship multiple boards or SKUs under a
>>>>>>> single software package. These software packages will ship multiple
>>>>>>> devicetree blobs and require some mechanism to pick the correct DTB for
>>>>>>> the board the software package was deployed. Introduce a common
>>>>>>> definition for adding board identifiers to device trees. board-id
>>>>>>> provides a mechanism for bootloaders to select the appropriate DTB which
>>>>>>> is vendor/OEM-agnostic.
>>>>>> Please extend CC list to more architectures? linux-arm-kernel, risc-v etc; since
>>>>>> the proposal below is not specific to ARM but any architecture is using the
>>>>>> devicetree.
>>>>> Wouldn't devicetree@...r.kernel.org will have concern folks from all the
>>>>> architectures?
>>>>> Please correct me.
>>>> No.
>>> The chromium guys should get a CC on future versions of this stuff,
>>> since they like doing wacky things with compatible strings in their
>>> bootloader and this problem is one they also face. Doug Anderson and the
>>> mediatek chromebook folks would be a good start.
>>>
>> Please CC Peter Griffin from Linaro as he helped restart this
>> discussion at Plumbers.
>>
>> Peter Griffin <peter.griffin@...aro.org>
>>
>> Also, for the oneplus boards:
>> Caleb Connolly <caleb.connolly@...aro.org>
> Thank you everyone. Amrit - please take care of above comments
> when you post next revision and as suggested please add other
> architecture mailing lists using the devicetree. Thank you.
Sure, will keep this in mind when sending next version. Thanks for 
pointing out.

Thanks,
Amrit.