linux-kernel - Re: [PATCH v2 7/7] arm64: dts: qcom: aim300: add AIM300 AIoT

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Message-ID: <ad65341e-2d84-4fe1-bd04-c788d4c6eecc@linaro.org>
Date:   Wed, 13 Dec 2023 20:38:59 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>,
        Tengfei Fan <quic_tengfan@...cinc.com>, agross@...nel.org,
        andersson@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Abel Vesa <abel.vesa@...aro.org>,
        Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel@...cinc.com,
        Qiang Yu <quic_qianyu@...cinc.com>,
        Ziyue Zhang <quic_ziyuzhan@...cinc.com>
Subject: Re: [PATCH v2 7/7] arm64: dts: qcom: aim300: add AIM300 AIoT

On 13/12/2023 20:01, Konrad Dybcio wrote:
> 
> 
> On 12/13/23 15:04, Krzysztof Kozlowski wrote:
>> On 11/12/2023 11:33, Krzysztof Kozlowski wrote:
>>>> @@ -0,0 +1,579 @@
>>>> +// SPDX-License-Identifier: BSD-3-Clause
>>>> +/*
>>>> + * Copyright (c) 2023, Qualcomm Innovation Center, Inc. All rights reserved.
>>>> + */
>>>> +
>>>> +/dts-v1/;
>>>> +
>>>> +#include <dt-bindings/leds/common.h>
>>>> +#include "qcs8550-aim300.dtsi"
>>>
>>> Which includes sm8550.dtsi thus I think this is compatible with sm8550.
>>> You even use sm8550 compatibles here, which is one more hint for that
>>> compatibility.
>>>
>>> We followed this convention for RB5, although not for QRU/QDU1000 boards.
>>>
>>> Anyway, if you add here new SoC compatible, I would expect to see new
>>> SoC DTSI.
>>>
>>> I don't have in my notes any previous consensus or decision in these
>>> matters, so let's discuss now.
>>> +CC few Linaro folks
>>
>> After some talks, the idea is to create qcs8550.dtsi, which will include
>> sm8550.dtsi, and add top level compatible for qcs8550 using sm8550 fallback.
> To the board device tree? Otherwise it'll get overwritten.

Could be both, to serve as a guideline for future DTS, but in general
yes, to the board DTS.

Best regards,
Krzysztof