[PATCH v3 4/5] arm64: dts: rockchip: Add missing dp_out port for RK3399 CDN-DP

[Diederik de Haas]

On Tue Jul 29, 2025 at 11:00 AM CEST, Chaoyi Chen wrote:
> From: Chaoyi Chen <chaoyi.chen at rock-chips.com>
>
> Let's make the ports nodes of cdn_dp in the same style as the other
> display interface, and match the style of ports's yaml.
>
> Signed-off-by: Chaoyi Chen <chaoyi.chen at rock-chips.com>
> ---
>  arch/arm64/boot/dts/rockchip/rk3399-base.dtsi | 12 +++++++++++-
>  1 file changed, 11 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/rockchip/rk3399-base.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-base.dtsi
> index 9d5f5b083e3c..edeb177bc433 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3399-base.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3399-base.dtsi
> @@ -618,7 +618,11 @@ cdn_dp: dp at fec00000 {
>  		status = "disabled";
>  
>  		ports {
> -			dp_in: port {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			dp_in: port at 0 {
> +				reg = <0>;
>  				#address-cells = <1>;
>  				#size-cells = <0>;
>  
> @@ -632,6 +636,12 @@ dp_in_vopl: endpoint at 1 {
>  					remote-endpoint = <&vopl_out_dp>;
>  				};
>  			};
> +
> +			dp_out: port at 1 {
> +				reg = <1>;
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +			};

Patch 5 adds a single endpoint to dp_out (without a reg property), so it
seems that #address/#size-cells is not needed?
If you run ``make CHECK_DTBS=y W=1 rockchip/rk3399-evb-ind.dtb`` it
should spit out a warning about that.

Cheers,
  Diederik

>  		};
>  	};
>  

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