linux-kernel - Re: [PATCH 1/5] ASoC: dt-bindings: ES8389: Add property about power supply

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Message-ID: <20260106184936.GA2517797-robh@kernel.org>
Date: Tue, 6 Jan 2026 12:49:36 -0600
From: Rob Herring <robh@...nel.org>
To: Zhang Yi <zhangyi@...rest-semi.com>
Cc: broonie@...nel.org, tiwai@...e.com, devicetree@...r.kernel.org,
	conor+dt@...nel.org, lgirdwood@...il.com,
	linux-kernel@...r.kernel.org, linux-sound@...r.kernel.org,
	perex@...ex.cz, krzk+dt@...nel.org,
	amadeuszx.slawinski@...ux.intel.com, krzk@...nel.org
Subject: Re: [PATCH 1/5] ASoC: dt-bindings: ES8389: Add property about power
 supply

On Mon, Jan 05, 2026 at 05:15:44PM +0800, Zhang Yi wrote:
> Add VDDA supply and VDDD supply
> 
> Signed-off-by: Zhang Yi <zhangyi@...rest-semi.com>
> ---
>  .../devicetree/bindings/sound/everest,es8389.yaml    | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/sound/everest,es8389.yaml b/Documentation/devicetree/bindings/sound/everest,es8389.yaml
> index a673df485ab3..75ce0bc48904 100644
> --- a/Documentation/devicetree/bindings/sound/everest,es8389.yaml
> +++ b/Documentation/devicetree/bindings/sound/everest,es8389.yaml
> @@ -30,10 +30,20 @@ properties:
>    "#sound-dai-cells":
>      const: 0
>  
> +  vdda-supply:
> +    description:
> +      Analogue power supply.
> +
> +  vddd-supply:
> +    description:
> +      Interface power supply.
> +
>  required:
>    - compatible
>    - reg
>    - "#sound-dai-cells"
> +  - vddd-supply
> +  - vdda-supply

New required properties is an ABI change. That's fine if you know there 
are no users without the supplies, but you need to state that in the 
commit message.

Rob