linux-kernel - Re: [PATCH 5/5] arm64: dts: rockchip: Add DisplayPort dt node for rk3576

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Message-ID: <aWa7M24CNaC6iz4K@venus>
Date: Tue, 13 Jan 2026 22:43:41 +0100
From: Sebastian Reichel <sebastian.reichel@...labora.com>
To: Andy Yan <andyshrk@....com>
Cc: heiko@...ech.de, dmitry.baryshkov@....qualcomm.com, krzk+dt@...nel.org, 
	conor+dt@...nel.org, cristian.ciocaltea@...labora.com, 
	Laurent.pinchart@...asonboard.com, mripard@...nel.org, hjc@...k-chips.com, robh@...nel.org, 
	tzimmermann@...e.de, devicetree@...r.kernel.org, dri-devel@...ts.freedesktop.org, 
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, linux-rockchip@...ts.infradead.org, 
	Andy Yan <andy.yan@...k-chips.com>
Subject: Re: [PATCH 5/5] arm64: dts: rockchip: Add DisplayPort dt node for
 rk3576

Hi,

On Fri, Jan 09, 2026 at 04:00:48PM +0800, Andy Yan wrote:
> From: Andy Yan <andy.yan@...k-chips.com>
> 
> The DisplayPort on rk3576 is compliant with DisplayPort Specification
> Version 1.4 with MST support, and share the USBDP combo PHY with USB 3.1
> OTG0 controller.
> 
> Signed-off-by: Andy Yan <andy.yan@...k-chips.com>
> ---

Reviewed-by: Sebastian Reichel <sebastian.reichel@...labora.com>
Tested-by: Sebastian Reichel <sebastian.reichel@...labora.com>

Greetings,

-- Sebastian

>  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..a153c3976cb3 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3576.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3576.dtsi
> @@ -1446,6 +1446,34 @@ hdmi_out: port@1 {
>  			};
>  		};
>  
> +		dp: dp@...40000 {
> +			compatible = "rockchip,rk3576-dp";
> +			reg = <0x0 0x27e40000 0x0 0x30000>;
> +			interrupts = <GIC_SPI 337 IRQ_TYPE_LEVEL_HIGH>;
> +			assigned-clocks = <&cru CLK_AUX16MHZ_0>;
> +			assigned-clock-rates = <16000000>;
> +			clocks = <&cru PCLK_DP0>, <&cru CLK_AUX16MHZ_0>,
> +				 <&cru ACLK_DP0>;
> +			clock-names = "apb", "aux", "hdcp";
> +			resets = <&cru SRST_DP0>;
> +			phys = <&usbdp_phy PHY_TYPE_DP>;
> +			power-domains = <&power RK3576_PD_VO1>;
> +			status = "disabled";
> +
> +			ports {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +
> +				dp0_in: port@0 {
> +					reg = <0>;
> +				};
> +
> +				dp0_out: port@1 {
> +					reg = <1>;
> +				};
> +			};
> +		};
> +
>  		sai7: sai@...d0000 {
>  			compatible = "rockchip,rk3576-sai";
>  			reg = <0x0 0x27ed0000 0x0 0x1000>;
> -- 
> 2.43.0
> 

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