linux-kernel - Re: [PATCH 21/25] ASoC: dt-bindings: meson: axg-tdm-iface: claim support of A1 SoC family

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Date: Fri, 15 Mar 2024 11:13:48 +0100
From: Jerome Brunet <jbrunet@...libre.com>
To: Jan Dakinevich <jan.dakinevich@...utedevices.com>
Cc: Neil Armstrong <neil.armstrong@...aro.org>, Jerome Brunet
 <jbrunet@...libre.com>, Michael  Turquette <mturquette@...libre.com>,
 Stephen Boyd <sboyd@...nel.org>, Rob  Herring <robh@...nel.org>, Krzysztof
 Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley
 <conor+dt@...nel.org>, Philipp Zabel <p.zabel@...gutronix.de>, Kevin
 Hilman <khilman@...libre.com>, Martin Blumenstingl
 <martin.blumenstingl@...glemail.com>, Liam Girdwood <lgirdwood@...il.com>,
 Mark Brown <broonie@...nel.org>, Linus Walleij <linus.walleij@...aro.org>,
 Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
 linux-amlogic@...ts.infradead.org, linux-clk@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, alsa-devel@...a-project.org,
 linux-sound@...r.kernel.org, linux-gpio@...r.kernel.org,
 kernel@...utedevices.com
Subject: Re: [PATCH 21/25] ASoC: dt-bindings: meson: axg-tdm-iface: claim
 support of A1 SoC family


On Fri 15 Mar 2024 at 02:21, Jan Dakinevich <jan.dakinevich@...utedevices.com> wrote:

> Add "amlogic,a1-tdm-iface" compatible string alias to
> "amlogic,axg-tdm-iface".
>
> Signed-off-by: Jan Dakinevich <jan.dakinevich@...utedevices.com>
> ---
>  .../devicetree/bindings/sound/amlogic,axg-tdm-iface.yaml    | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/sound/amlogic,axg-tdm-iface.yaml b/Documentation/devicetree/bindings/sound/amlogic,axg-tdm-iface.yaml
> index 45955d8a26d1..7c1af85b52b4 100644
> --- a/Documentation/devicetree/bindings/sound/amlogic,axg-tdm-iface.yaml
> +++ b/Documentation/devicetree/bindings/sound/amlogic,axg-tdm-iface.yaml
> @@ -14,7 +14,11 @@ allOf:
>  
>  properties:
>    compatible:
> -    const: amlogic,axg-tdm-iface
> +    oneOf:
> +      - const: amlogic,axg-tdm-iface
> +      - items:
> +          - const: amlogic,a1-tdm-iface
> +          - const: amlogic,axg-tdm-iface

Same as the card driver. I could have named it "amlogic,tdm-iface"

This is purely a SW component, which help agregate clocks and
tdm-formatters. It is analog to a "gpio-leds" or a "pwm-clock"
driver. We would add a compatible for every SoC for these, would we ?

I don't think it makes a lot of sense to add this. It is not going to
hurt but this is just adding useless compatible to the doc that will
never be used

>  
>    "#sound-dai-cells":
>      const: 0


-- 
Jerome