linux-kernel - Re: [PATCH 0/3] arm64: dts: amlogic: add more basic audio support

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Message-ID: <1jh6p0vdyj.fsf@starbuckisacylon.baylibre.com>
Date:   Tue, 15 Aug 2023 11:37:58 +0200
From:   Jerome Brunet <jbrunet@...libre.com>
To:     Christian Hewitt <christianshewitt@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Kevin Hilman <khilman@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/3] arm64: dts: amlogic: add more basic audio support


On Tue 15 Aug 2023 at 09:27, Christian Hewitt <christianshewitt@...il.com> wrote:

> This mini-series adds basic audio support to the P200/P201 (GXBB) and U200 (G12A)
> reference boards. Few people likely have the original reference boards which have
> extra audio capabilities, but the device-trees are widely [ab]used by users with
> Android set-top boxes whose hardware is copy/pasted from the reference designs to
> get working installs. Adding basic audio support does no harm to the real boards
> and helps the secondary cause.

Still, this is something you have not tested on the u200 reference
design. I believe this was already discussed in the past.

The u200 is far more complex when it comes to audio and certainly would
not work on this no-name android device. These device are heavily
"inspired" by the reference, but trimmed down in many aspect including
audio capabilities - NOT copied.

People abusing the u200 or p200 DT does make the patchset valid

>
> Christian Hewitt (3):
>   arm64: dts: meson: add audio playback to p200
>   arm64: dts: meson: add audio playback to p201
>   arm64: dts: meson: add audio playback to u200
>
>  .../boot/dts/amlogic/meson-g12a-u200.dts      | 129 ++++++++++++++++++
>  .../boot/dts/amlogic/meson-gxbb-p200.dts      |  60 ++++++++
>  .../boot/dts/amlogic/meson-gxbb-p201.dts      |  39 ++++++
>  3 files changed, 228 insertions(+)