linux-kernel - Re: [PATCH v2 4/4] arm64: dts: add support for A1 based Amlogic AD401

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Date:   Mon, 09 Sep 2019 13:36:59 +0200
From:   Jerome Brunet <jbrunet@...libre.com>
To:     Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Jianxin Pan <jianxin.pan@...ogic.com>,
        Kevin Hilman <khilman@...libre.com>
Cc:     linux-amlogic@...ts.infradead.org,
        Neil Armstrong <narmstrong@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Jian Hu <jian.hu@...ogic.com>,
        Hanjie Lin <hanjie.lin@...ogic.com>,
        Xingyu Chen <xingyu.chen@...ogic.com>,
        Victor Wan <victor.wan@...ogic.com>,
        Qiufang Dai <qiufang.dai@...ogic.com>,
        Tao Zeng <tao.zeng@...ogic.com>
Subject: Re: [PATCH v2 4/4] arm64: dts: add support for A1 based Amlogic AD401


On Sat 07 Sep 2019 at 17:02, Martin Blumenstingl wrote:

> Hi Jianxin,
>
> On Fri, Sep 6, 2019 at 7:58 AM Jianxin Pan <jianxin.pan@...ogic.com> wrote:
> [...]
>> > also I'm a bit surprised to see no busses (like aobus, cbus, periphs, ...) here
>> > aren't there any busses defined in the A1 SoC implementation or are
>> > were you planning to add them later?
>> Unlike previous series,there is no Cortex-M3 AO CPU in A1, and there is no AO/EE power domain.
>> Most of the registers are on the apb_32b bus.  aobus, cbus and periphs are not used in A1.
> OK, thank you for the explanation
> since you're going to re-send the patch anyways: can you please
> include the apb_32b bus?

unless there is an 64 bits apb bus as well, I suppose 'apb' would be enough ?

> all other upstream Amlogic .dts are using the bus definitions, so that
> will make A1 consistent with the other SoCs
>
>
> Martin