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

[Tim Lunn <tim@xxxxxxxxxxxxxx>]

On 1/17/24 20:22, Krzysztof Kozlowski wrote:
> On 17/01/2024 10:19, Tim Lunn wrote:
> > On 1/17/24 04:06, 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@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@xxxxxxxxxxxxxx>
> > > > ---
> > > >
> > > > (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?
> > This is just documenting the existing rk817 codec driver, which is using
> > the name to get the clock:
> >
> > devm_clk_get(pdev->dev.parent, "mclk");
> >
> > Thus i dont think clock-names can  be removed in this case? atleast not
> > without patching the driver as well?
> Your commit msg claims this is for existing driver using rk817_codec. So
> what about rk817? It does not use clocks?
rk817 uses exactly the same properties as what I included here. i.e it 
includes both clocks and clock-names.
My point above was that I dont think I can just remove the clock-names 
property as Conor suggested? I could be wrong though.
> Best regards,
> Krzysztof