[PATCH v3 1/6] dt-bindings: display: rockchip: analogix-dp: Add support for RK3568

[Damon Ding]

Hi Rob,

On 10/21/2026 9:30 PM, Rob Herring wrote:
> On Tue, Oct 20, 2026 at 11:09:11AM +0800, Damon Ding wrote:
>> Document the "rockchip,rk3568-edp" compatible.  Like RK3576/RK3588,
>> the RK3568 eDP controller has the dp/pclk/hclk clocks and dp/apb
>> resets, but unlike them it does not use GRF registers, so make the
>> "rockchip,grf" property conditional on the SoC.
>>
>> Also document the optional avdd-0v9 and avdd-1v8 supplies, which are
>> needed by the RK3568 eDP controller.
>>
>> Signed-off-by: Damon Ding <damon.ding at rock-chips.com>
>> ---
>>   .../rockchip/rockchip,analogix-dp.yaml        | 25 ++++++++++++++++++-
>>   1 file changed, 24 insertions(+), 1 deletion(-)
>>
>> diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip,analogix-dp.yaml b/Documentation/devicetree/bindings/display/rockchip/rockchip,analogix-dp.yaml
>> index 39dafe75a680..f8670a4e0430 100644
>> --- a/Documentation/devicetree/bindings/display/rockchip/rockchip,analogix-dp.yaml
>> +++ b/Documentation/devicetree/bindings/display/rockchip/rockchip,analogix-dp.yaml
>> @@ -15,6 +15,7 @@ properties:
>>       enum:
>>         - rockchip,rk3288-dp
>>         - rockchip,rk3399-edp
>> +      - rockchip,rk3568-edp
>>         - rockchip,rk3576-edp
>>         - rockchip,rk3588-edp
>>   
>> @@ -47,6 +48,16 @@ properties:
>>         - const: dp
>>         - const: apb
>>   
>> +  avdd-0v9-supply:
>> +    description:
>> +      A 0.9V supply that powers up the SoC internal circuitry. The actual
>> +      supply source varies between different boards.
>> +
>> +  avdd-1v8-supply:
>> +    description:
>> +      A 1.8V supply that powers up the SoC internal circuitry. The actual
>> +      supply source varies between different boards.
>> +
> 
> Are these valid for other compatibles?
> 

Got it. These properties are not required for other compatibles.
I will restrict them to the RK3568 compatible in v4.

Best regards,
Damon