linux-kernel - Re: [PATCH 5/6] arm64: dts: qcom: add initial support for QCS615 DTSI

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Message-ID: <d9022e28-5be9-45a1-8348-20fecef2ff99@quicinc.com>
Date: Wed, 28 Aug 2024 17:29:08 +0800
From: Lijuan Gao <quic_lijuang@...cinc.com>
To: Krzysztof Kozlowski <krzk@...nel.org>
CC: Thomas Gleixner <tglx@...utronix.de>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio
	<konradybcio@...nel.org>, <kernel@...cinc.com>,
        <linux-arm-msm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>
Subject: Re: [PATCH 5/6] arm64: dts: qcom: add initial support for QCS615 DTSI



在 8/28/2024 3:57 PM, Krzysztof Kozlowski 写道:
> On 28/08/2024 09:42, Lijuan Gao wrote:
>>
>>
>> 在 8/28/2024 2:23 PM, Krzysztof Kozlowski 写道:
>>> On Wed, Aug 28, 2024 at 10:02:15AM +0800, Lijuan Gao wrote:
>>>> Add initial DTSI for QCS615 SoC. It includes base description
>>>> of CPUs, interrupt-controller and cpu idle on Qualcomm QCS615
>>>> platform.
>>>>
>>>> Signed-off-by: Lijuan Gao <quic_lijuang@...cinc.com>
>>>> ---
>>>>    arch/arm64/boot/dts/qcom/qcs615.dtsi | 449 +++++++++++++++++++++++++++++++++++
>>>>    1 file changed, 449 insertions(+)
>>>>
>>>> diff --git a/arch/arm64/boot/dts/qcom/qcs615.dtsi b/arch/arm64/boot/dts/qcom/qcs615.dtsi
>>>> new file mode 100644
>>>> index 000000000000..cf7aaa7f6131
>>>> --- /dev/null
>>>> +++ b/arch/arm64/boot/dts/qcom/qcs615.dtsi
>>>> @@ -0,0 +1,449 @@
>>>> +// SPDX-License-Identifier: BSD-3-Clause
>>>> +/*
>>>> + * Copyright (c) 2024, Qualcomm Innovation Center, Inc. All rights reserved.
>>>> + */
>>>> +
>>>> +#include <dt-bindings/interrupt-controller/arm-gic.h>
>>>> +
>>>> +/ {
>>>> +	interrupt-parent = <&intc>;
>>>> +
>>>
>>> No need for blank line.
>> Well noted. Will update in the next patch.
>>>
>>>> +	#address-cells = <2>;
>>>> +	#size-cells = <2>;
>>>> +
>>>> +	chosen { };
>>>
>>> Drop, redundant.
>> Well noted. Will update in the next patch.
>>>
>>>> +
>>>> +	clocks {
>>>> +		xo_board: xo-board {
>>>
>>> xo-clk? xo-board-clk?
>>>
>>> But if board, this does not sound like part of SoC. See other files how
>>> they do it.
>>>
>> Other files also added ‘xo_board’. The ‘xo_board’ is the clock that will
> 
> No. Don't use 10yo code as example.
> 
>> be used by other SoC nodes, such as rpmhcc. Currently, the node can be
>> deleted as no one is using it.
> 
> I don't think you understood the problem. This is not the property of
> SoC. We talked about this many times. DTS coding style has even explicit
> guideline for this. Your own go/upstream (which is quite well written
> and complete) probably as well. Did you check it? If there is no such,
> extend it.
>
Got it, I will move it to the board DTS.
> 
> Best regards,
> Krzysztof
> 
> 

-- 
Thx and BRs
Lijuan Gao