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

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Message-ID: <1941558d-d1e0-43b7-9208-65b9ba191bc2@quicinc.com>
Date: Tue, 23 Jan 2024 10:51:52 -0800
From: Elliot Berman <quic_eberman@...cinc.com>
To: Amrit Anand <quic_amrianan@...cinc.com>
CC: Trilok Soni <quic_tsoni@...cinc.com>, <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 1/23/2024 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>