[PATCH v1 2/4] arm64: dts: rockchip: Add eDP node for RK3576

[Nicolas Frattaroli]

On Tuesday, 10 March 2026 11:53:05 Central European Standard Time Damon Ding wrote:
> Add support for the eDP output on RK3576 SoC.
> 
> Signed-off-by: Damon Ding <damon.ding at rock-chips.com>
> ---
>  arch/arm64/boot/dts/rockchip/rk3576.dtsi | 28 ++++++++++++++++++++++++
>  1 file changed, 28 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3576.dtsi b/arch/arm64/boot/dts/rockchip/rk3576.dtsi
> index a86fc6b4e8c4..14900a66d3e1 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3576.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3576.dtsi
> @@ -1446,6 +1446,34 @@ hdmi_out: port at 1 {
>  			};
>  		};
>  
> +		edp: edp at 27dc0000 {
> +			compatible = "rockchip,rk3576-edp";
> +			reg = <0x0 0x27dc0000 0x0 0x1000>;
> +			clocks = <&cru CLK_EDP0_24M>, <&cru PCLK_EDP0>, <&cru HCLK_VO0_ROOT>;
> +			clock-names = "dp", "pclk", "hclk";
> +			interrupts = <GIC_SPI 365 IRQ_TYPE_LEVEL_HIGH>;
> +			phys = <&hdptxphy>;
> +			phy-names = "dp";
> +			power-domains = <&power RK3576_PD_VO0>;
> +			resets = <&cru SRST_EDP0_24M>, <&cru SRST_P_EDP0>;
> +			reset-names = "dp", "apb";
> +			rockchip,grf = <&vo0_grf>;
> +			status = "disabled";
> +
> +			ports {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +
> +				edp_in: port at 0 {
> +					reg = <0>;
> +				};
> +
> +				edp_out: port at 1 {
> +					reg = <1>;
> +				};
> +			};
> +		};
> +
>  		sai7: sai at 27ed0000 {
>  			compatible = "rockchip,rk3576-sai";
>  			reg = <0x0 0x27ed0000 0x0 0x1000>;
> 

Reviewed-by: Nicolas Frattaroli <nicolas.frattaroli at collabora.com>

By cross-referencing the TRM, I checked the address, the IRQ number,
and the power domain, and verified that there are no new check_dtbs
warnings introduced.

Kind regards,
Nicolas Frattaroli