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

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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?

Best regards,
Krzysztof





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