linux-kernel - Re: [PATCH v2 1/3] dt-bindings: rockchip: Document rk809 support for rk817 audio codec

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Date: Tue, 16 Jan 2024 17:06:34 +0000
From: Conor Dooley <conor@...nel.org>
To: Tim Lunn <tim@...thertop.org>
Cc: linux-rockchip@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Chris Zhong <zyw@...k-chips.com>,
	Conor Dooley <conor+dt@...nel.org>,
	Heiko Stuebner <heiko@...ech.de>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Lee Jones <lee@...nel.org>, Rob Herring <robh+dt@...nel.org>,
	Zhang Qing <zhangqing@...k-chips.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/3] dt-bindings: rockchip: Document rk809 support for
 rk817 audio codec

On Wed, Jan 17, 2024 at 12:21:00AM +1100, Tim Lunn wrote:
> Rockchip RK809 shares the same audio codec as the rk817 mfd, it is also
> using the same rk817_codec driver. However it is missing from the
> bindings.
> 
> Update dt-binding documentation for rk809 to include the audio codec
> properties. This fixes the following warning from dtb check:
> 
> pmic@20: '#sound-dai-cells', 'assigned-clock-parents', 'assigned-clocks',
>    'clock-names', 'clocks', 'codec' do not match any of the regexes:
>    'pinctrl-[0-9]+'
> 
> Signed-off-by: Tim Lunn <tim@...thertop.org>
> ---
> 
> (no changes since v1)
> 
>  .../bindings/mfd/rockchip,rk809.yaml          | 30 ++++++++++++++++++-
>  1 file changed, 29 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/mfd/rockchip,rk809.yaml b/Documentation/devicetree/bindings/mfd/rockchip,rk809.yaml
> index 839c0521f1e5..bac2e751e2f2 100644
> --- a/Documentation/devicetree/bindings/mfd/rockchip,rk809.yaml
> +++ b/Documentation/devicetree/bindings/mfd/rockchip,rk809.yaml
> @@ -12,7 +12,7 @@ maintainers:
>  
>  description: |
>    Rockchip RK809 series PMIC. This device consists of an i2c controlled MFD
> -  that includes regulators, an RTC, and power button.
> +  that includes regulators, an RTC, a power button, and an audio codec.
>  
>  properties:
>    compatible:
> @@ -93,6 +93,34 @@ properties:
>          unevaluatedProperties: false
>      unevaluatedProperties: false
>  
> +  clocks:
> +    description:
> +      The input clock for the audio codec.
> +
> +  clock-names:
> +    description:
> +      The clock name for the codec clock.
> +    items:
> +      - const: mclk

You have one clock only, why do you need to have clock-names?

Otherwise,
Acked-by: Conor Dooley <conor.dooley@...rochip.com>

Cheers,
Conor.

> +
> +  '#sound-dai-cells':
> +    description:
> +      Needed for the interpretation of sound dais.
> +    const: 0
> +
> +  codec:
> +    description: |
> +      The child node for the codec to hold additional properties. If no
> +      additional properties are required for the codec, this node can be
> +      omitted.
> +    type: object
> +    additionalProperties: false
> +    properties:
> +      rockchip,mic-in-differential:
> +        type: boolean
> +        description:
> +          Describes if the microphone uses differential mode.
> +
>  allOf:
>    - if:
>        properties:
> -- 
> 2.40.1
> 

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