From: Jianxin Pan <jianxin.pan@amlogic.com>
To: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: devicetree@vger.kernel.org, Hanjie Lin <hanjie.lin@amlogic.com>,
Victor Wan <victor.wan@amlogic.com>,
Neil Armstrong <narmstrong@baylibre.com>,
Kevin Hilman <khilman@baylibre.com>,
linux-kernel@vger.kernel.org,
Qiufang Dai <qiufang.dai@amlogic.com>,
Rob Herring <robh+dt@kernel.org>, Jian Hu <jian.hu@amlogic.com>,
Xingyu Chen <xingyu.chen@amlogic.com>,
Tao Zeng <tao.zeng@amlogic.com>, Carlo Caione <carlo@caione.org>,
linux-amlogic@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
Jerome Brunet <jbrunet@baylibre.com>
Subject: Re: [PATCH v2 4/4] arm64: dts: add support for A1 based Amlogic AD401
Date: Mon, 9 Sep 2019 20:04:27 +0800 [thread overview]
Message-ID: <a82336e2-44df-5682-1c86-daf8a8448d30@amlogic.com> (raw)
In-Reply-To: <CAFBinCD7gFzOsmZCB8T1KJKVsgL7WMhoEkj3dRzyqwAnjC0CNA@mail.gmail.com>
Hi Martin,
On 2019/9/7 23:02, Martin Blumenstingl wrote:
> Hi Jianxin,
>
> On Fri, Sep 6, 2019 at 7:58 AM Jianxin Pan <jianxin.pan@amlogic.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?
> all other upstream Amlogic .dts are using the bus definitions, so that
> will make A1 consistent with the other SoCs
In A1 (and the later C1), BUS is not mentioned in the memmap and register spec.
Registers are organized and grouped by functions, and we can not find information about buses from the SoC document.
Maybe it's better to remove bus definitions for these chips.
>
>
> Martin
>
> .
>
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next prev parent reply other threads:[~2019-09-09 12:04 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-05 7:07 [PATCH v2 0/4] arm64: Add basic support for Amlogic A1 SoC Family Jianxin Pan
2019-09-05 7:07 ` [PATCH v2 1/4] soc: amlogic: meson-gx-socinfo: Add A1 and A113L IDs Jianxin Pan
2019-09-05 7:07 ` [PATCH v2 2/4] dt-bindings: arm: amlogic: add A1 bindings Jianxin Pan
2019-09-05 7:07 ` [PATCH v2 3/4] dt-bindings: arm: amlogic: add Amlogic AD401 bindings Jianxin Pan
2019-09-05 7:07 ` [PATCH v2 4/4] arm64: dts: add support for A1 based Amlogic AD401 Jianxin Pan
2019-09-05 20:15 ` Martin Blumenstingl
2019-09-06 5:59 ` Jianxin Pan
2019-09-07 15:02 ` Martin Blumenstingl
2019-09-09 11:36 ` Jerome Brunet
2019-09-09 16:12 ` Jianxin Pan
2019-09-09 12:04 ` Jianxin Pan [this message]
2019-09-09 17:24 ` Martin Blumenstingl
2019-09-11 7:37 ` Jianxin Pan
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