linux-kernel - Re: [PATCH 4/5] arm64: dts: qcom: Add support for ECS LIVA QC710

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Message-ID: <782ed3c8-d031-4934-9a8c-6366abefbf7c@linaro.org>
Date: Tue, 13 Jan 2026 10:01:48 +0100
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Val Packett <val@...kett.cool>, Bjorn Andersson <andersson@...nel.org>,
 Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, cros-qcom-dts-watchers@...omium.org
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/5] arm64: dts: qcom: Add support for ECS LIVA QC710

Hi,

On 1/11/26 09:35, Val Packett wrote:
> Add a device tree for the ECS LIVA QC710 (Snapdragon 7c) mini PC/devkit.
> 
> Working:
> - Wi-Fi (wcn3990 hw1.0)
> - Bluetooth
> - USB Type-A (USB3 and USB2)
> - Ethernet (over USB2)
> - HDMI Display
> - eMMC
> - SDHC (microSD slot)
> 
> Not included:
> - HDMI Audio
> - EC (IT8987)
> 
> Signed-off-by: Val Packett <val@...kett.cool>
> ---
>   arch/arm64/boot/dts/qcom/Makefile             |   2 +
>   .../boot/dts/qcom/sc7180-ecs-liva-qc710.dts   | 625 ++++++++++++++++++
>   2 files changed, 627 insertions(+)
>   create mode 100644 arch/arm64/boot/dts/qcom/sc7180-ecs-liva-qc710.dts

<snip>

> +
> +	hdmi-bridge {
> +		compatible = "algoltek,ag6311";
> +
> +		ports {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			port@0 {
> +				reg = <0>;
> +
> +				hdmi_bridge_dp_in: endpoint {
> +					remote-endpoint = <&usb_1_qmpphy_dp_out>;
> +				};
> +			};
> +
> +			port@1 {
> +				reg = <1>;
> +
> +				hdmi_bridge_tmds_out: endpoint {
> +					remote-endpoint = <&hdmi_con>;
> +				};
> +			};
> +		};
> +	};
> +
> +	hdmi-connector {
> +		compatible = "hdmi-connector";
> +		type = "a";
> +
> +		port {
> +			hdmi_con: endpoint {
> +				remote-endpoint = <&hdmi_bridge_tmds_out>;
> +			};
> +		};
> +	};
> +

<snip>

> +
> +&usb_1_qmpphy {
> +	vdda-phy-supply = <&vreg_l3c_1p2>;
> +	vdda-pll-supply = <&vreg_l4a_0p8>;
> +
> +	/delete-property/ mode-switch;
> +	/delete-property/ orientation-switch;
> +
> +	status = "okay";
> +
> +	ports {
> +		port@0 {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			/delete-node/ endpoint;
> +
> +			usb_1_qmpphy_dp_out: endpoint@0 {
> +				reg = <0>;
> +
> +				data-lanes = <3 2>;
> +				remote-endpoint = <&hdmi_bridge_dp_in>;
> +			};
> +
> +			usb_1_qmpphy_usb_ss_out: endpoint@1 {
> +				reg = <1>;
> +
> +				data-lanes = <1 0>;
> +				remote-endpoint = <&usb_a_connector_ss_in>;
> +			};
> +		};
> +	};
> +};
> +
<snip>

Hehe, finally seems my work was quite useful after all :-)
Thanks,
Neil