linux-kernel - Re: [PATCH V2] arm64: dts: add support for C3 based Amlogic AW409

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Date:   Fri, 5 May 2023 14:43:18 +0800
From:   "xianwei.zhao" <xianwei.zhao@...ogic.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-amlogic@...ts.infradead.org, devicetree@...r.kernel.org
Cc:     Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Kevin Hilman <khilman@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Subject: Re: [PATCH V2] arm64: dts: add support for C3 based Amlogic AW409



On 2023/5/5 14:34, Krzysztof Kozlowski wrote:
> [ EXTERNAL EMAIL ]
> 
> On 05/05/2023 04:37, xianwei.zhao wrote:
>> Hi Krzysztof,
>>        Thank you for your reply.
>>
>> On 2023/5/1 17:58, Krzysztof Kozlowski wrote:
>>> [你通常不会收到来自 krzysztof.kozlowski@...aro.org 的电子邮件。请访问 https://aka.ms/LearnAboutSenderIdentification，以了解这一点为什么很重要]
>>>
>>> [ EXTERNAL EMAIL ]
>>>
>>> On 27/04/2023 10:58, Xianwei Zhao wrote:
>>>> Amlogic C3 is an advanced edge AI processor designed for smart IP camera
>>>> applications.
>>>>
>>>> Add basic support for the C3 based Amlogic AW409 board, which describes
>>>> the following components: CPU, GIC, IRQ, Timer, UART. It's capable of
>>>> booting up into the serial console.
>>>>
>>>> Signed-off-by: Xianwei Zhao <xianwei.zhao@...ogic.com>
>>>>
>>>> ---
>>>> V1 -> V2: Remove new arch, and use ARCH_MESON;
>>>>             Modify node name, and delete superfluous blank lines.
>>>> ---
>>>>    arch/arm64/boot/dts/amlogic/Makefile          |  1 +
>>>>    .../amlogic/amlogic-c3-c302x-aw409-256m.dts   | 29 +++++++
>>>>    arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi   | 86 +++++++++++++++++++
>>>>    3 files changed, 116 insertions(+)
>>>>    create mode 100644 arch/arm64/boot/dts/amlogic/amlogic-c3-c302x-aw409-256m.dts
>>>>    create mode 100644 arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi
>>>>
>>>> diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile
>>>> index cd1c5b04890a..bcec872c2444 100644
>>>> --- a/arch/arm64/boot/dts/amlogic/Makefile
>>>> +++ b/arch/arm64/boot/dts/amlogic/Makefile
>>>> @@ -74,3 +74,4 @@ dtb-$(CONFIG_ARCH_MESON) += meson-sm1-odroid-hc4.dtb
>>>>    dtb-$(CONFIG_ARCH_MESON) += meson-sm1-sei610.dtb
>>>>    dtb-$(CONFIG_ARCH_MESON) += meson-sm1-x96-air-gbit.dtb
>>>>    dtb-$(CONFIG_ARCH_MESON) += meson-sm1-x96-air.dtb
>>>> +dtb-$(CONFIG_ARCH_MESON) += amlogic-c3-c302x-aw409-256m.dtb
>>>
>>> Looks wrongly ordered. 'a' is before 'm'.
>> Will do.
>>>
>>>> diff --git a/arch/arm64/boot/dts/amlogic/amlogic-c3-c302x-aw409-256m.dts b/arch/arm64/boot/dts/amlogic/amlogic-c3-c302x-aw409-256m.dts
>>>> new file mode 100644
>>>> index 000000000000..edce8850b338
>>>> --- /dev/null
>>>> +++ b/arch/arm64/boot/dts/amlogic/amlogic-c3-c302x-aw409-256m.dts
>>>> @@ -0,0 +1,29 @@
>>>> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
>>>> +/*
>>>> + * Copyright (c) 2021 Amlogic, Inc. All rights reserved.
>>>> + */
>>>> +
>>>> +/dts-v1/;
>>>> +
>>>> +#include "amlogic-c3.dtsi"
>>>> +
>>>> +/ {
>>>> +     model = "Amlogic C302 aw409 Development Board";
>>>> +     compatible = "amlogic,aw409", "amlogic,c3";
>>>
>>> Missing bindings.
>>>
>>> Please run scripts/checkpatch.pl and fix reported warnings.
>>>
>> The bindings committed by Neil, it is applied to
>> https://git.kernel.org/pub/scm/linux/kernel/git/amlogic/linux.git
>> (v6.5/arm64-dt),
>> bindings:
>> https://lore.kernel.org/all/20230407102704.1055152-1-kelvin.zhang@amlogic.com/
> 
> It's not in the next, so please always link them. We expect them always
> together, so if you decide to do otherwise, it's your job now to keep us
> informed. Otherwise how can we know that you sent bindings or you didn't?
> 
Will add link in V3,thanks.
> Best regards,
> Krzysztof
>