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

[Chris Morgan]

On Tue, Jan 16, 2024 at 05:06:34PM +0000, Conor Dooley wrote:
> 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 at 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 at feathertop.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 at microchip.com>
> 
> Cheers,
> Conor.

The codec driver currently looks for a clock named "mclk".

Thank you,
Chris.

> 
> > +
> > +  '#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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