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

From: Sebastian Reichel <sebastian.reichel@collabora.com>
To: Andy Yan <andyshrk@163.com>
Cc: heiko@sntech.de, dmitry.baryshkov@oss.qualcomm.com,
	krzk+dt@kernel.org,  conor+dt@kernel.org,
	cristian.ciocaltea@collabora.com,
	 Laurent.pinchart@ideasonboard.com, mripard@kernel.org,
	hjc@rock-chips.com, robh@kernel.org,  tzimmermann@suse.de,
	devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org,
	 linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org,
	 Andy Yan <andy.yan@rock-chips.com>
Subject: Re: [PATCH 5/5] arm64: dts: rockchip: Add DisplayPort dt node for rk3576
Date: Tue, 13 Jan 2026 22:43:41 +0100	[thread overview]
Message-ID: <aWa7M24CNaC6iz4K@venus> (raw)
In-Reply-To: <20260109080054.228671-6-andyshrk@163.com>

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Hi,

On Fri, Jan 09, 2026 at 04:00:48PM +0800, Andy Yan wrote:
> From: Andy Yan <andy.yan@rock-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@rock-chips.com>
> ---

Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Tested-by: Sebastian Reichel <sebastian.reichel@collabora.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@27e40000 {
> +			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@27ed0000 {
>  			compatible = "rockchip,rk3576-sai";
>  			reg = <0x0 0x27ed0000 0x0 0x1000>;
> -- 
> 2.43.0
> 

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