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SubjectRe: Re: [RESEND PATCH v6 5/6] arm64: tegra: Audio graph header for Tegra210
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On 1/19/2021 10:45 PM, Thierry Reding wrote:
> On Tue, Jan 19, 2021 at 02:58:15PM +0530, Sameer Pujar wrote:
>> Expose a header which describes DT bindings required to use audio-graph
>> based sound card. All Tegra210 based platforms can include this header
>> and add platform specific information. Currently, from SoC point of view,
>> all links are exposed for ADMAIF, AHUB, I2S and DMIC components.
>>
>> Signed-off-by: Sameer Pujar <spujar@nvidia.com>
>> Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
>> ---
>> .../boot/dts/nvidia/tegra210-audio-graph.dtsi | 153 +++++++++++++++++++++
>> 1 file changed, 153 insertions(+)
>> create mode 100644 arch/arm64/boot/dts/nvidia/tegra210-audio-graph.dtsi
> I prefer keeping everything in tegra210.dtsi, but I can do that merge
> when I apply, after the DT bindings have been acked, so no need to
> resend just because of that.

I think this may be fine for Tegra210 based boards. But for Tegra186 and
Tegra194, whenever we add support for it, can rely on a common
audio-graph dtsi because there is no change w.r.t APE. This can help us
to avoid duplication of the bindings. This most likely applies to future
chips as well (where Tegra186 audio-graph bindings can be considered as
base) when there is no significant change in APE.

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