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Message-Id: <20250914-radxa-dragon-q6a-v2-5-045f7e92b3bb@radxa.com>
Date: Sun, 14 Sep 2025 23:57:08 +0800
From: Xilin Wu <sophon@...xa.com>
To: 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>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, Neil Armstrong <neil.armstrong@...aro.org>,
Viken Dadhaniya <viken.dadhaniya@....qualcomm.com>,
Ram Kumar Dwivedi <quic_rdwivedi@...cinc.com>, Xilin Wu <sophon@...xa.com>
Subject: [PATCH DNM v2 5/5] arm64: dts: qcom: qcs6490-radxa-dragon-q6a:
Enable USB 3.0 and HDMI ports
This board doesn't feature a regular Type-C port. The usb_1_qmpphy's
RX1/TX1 pair is statically connected to the USB-A port, while its RX0/TX0
pair is connected to the RA620 DP-to-HDMI bridge.
Add and enable the nodes for the features to work.
Signed-off-by: Xilin Wu <sophon@...xa.com>
---
This change depends on the following patch series:
https://lore.kernel.org/all/20250908-topic-x1e80100-hdmi-v3-4-c53b0f2bc2fb@linaro.org/
---
.../boot/dts/qcom/qcs6490-radxa-dragon-q6a.dts | 152 +++++++++++++++++++++
1 file changed, 152 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/qcs6490-radxa-dragon-q6a.dts b/arch/arm64/boot/dts/qcom/qcs6490-radxa-dragon-q6a.dts
index 3bf85d68c97891db1f1f0b84fb5649803948e06f..12bc9a0fcfbfeaabf6ede351f96c61193a8261c0 100644
--- a/arch/arm64/boot/dts/qcom/qcs6490-radxa-dragon-q6a.dts
+++ b/arch/arm64/boot/dts/qcom/qcs6490-radxa-dragon-q6a.dts
@@ -78,6 +78,71 @@ chosen {
stdout-path = "serial0:115200n8";
};
+ usb3_con: connector {
+ compatible = "usb-a-connector";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ usb3_con_hs_in: endpoint {
+ remote-endpoint = <&usb_1_dwc3_hs>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ usb3_con_ss_in: endpoint {
+ remote-endpoint = <&usb_dp_qmpphy_out_usb>;
+ };
+ };
+ };
+ };
+
+ hdmi-bridge {
+ compatible = "radxa,ra620";
+
+ pinctrl-0 = <&dp_hot_plug_det>;
+ pinctrl-names = "default";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ hdmi_bridge_in: endpoint {
+ remote-endpoint = <&usb_dp_qmpphy_out_dp>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ hdmi_bridge_out: endpoint {
+ remote-endpoint = <&hdmi_connector_in>;
+ };
+ };
+ };
+ };
+
+ hdmi-connector {
+ compatible = "hdmi-connector";
+ label = "hdmi";
+ type = "a";
+
+ port {
+ hdmi_connector_in: endpoint {
+ remote-endpoint = <&hdmi_bridge_out>;
+ };
+ };
+ };
+
leds {
compatible = "gpio-leds";
@@ -504,6 +569,21 @@ &lpass_va_macro {
status = "okay";
};
+&mdss {
+ status = "okay";
+};
+
+&mdss_dp {
+ sound-name-prefix = "Display Port0";
+
+ status = "okay";
+};
+
+&mdss_dp_out {
+ data-lanes = <0 1>;
+ remote-endpoint = <&usb_dp_qmpphy_dp_in>;
+};
+
&pcie0 {
perst-gpios = <&tlmm 87 GPIO_ACTIVE_LOW>;
wake-gpios = <&tlmm 89 GPIO_ACTIVE_HIGH>;
@@ -753,6 +833,22 @@ platform {
sound-dai = <&q6apm>;
};
};
+
+ dp0-dai-link {
+ link-name = "DP0 Playback";
+
+ codec {
+ sound-dai = <&mdss_dp>;
+ };
+
+ cpu {
+ sound-dai = <&q6apmbedai DISPLAY_PORT_RX_0>;
+ };
+
+ platform {
+ sound-dai = <&q6apm>;
+ };
+ };
};
/* Pin 11, 29, 31, 32 in GPIO header */
@@ -967,6 +1063,58 @@ &ufs_mem_phy {
status = "okay";
};
+&usb_1 {
+ dr_mode = "host";
+
+ status = "okay";
+};
+
+&usb_1_dwc3_hs {
+ remote-endpoint = <&usb3_con_hs_in>;
+};
+
+&usb_1_hsphy {
+ vdda-pll-supply = <&vreg_l10c_0p88>;
+ vdda33-supply = <&vreg_l2b_3p072>;
+ vdda18-supply = <&vreg_l1c_1p8>;
+
+ status = "okay";
+};
+
+&usb_1_qmpphy {
+ vdda-phy-supply = <&vreg_l6b_1p2>;
+ vdda-pll-supply = <&vreg_l1b_0p912>;
+
+ /delete-property/ orientation-switch;
+
+ status = "okay";
+
+ ports {
+ port@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ /delete-node/ endpoint;
+
+ /* RX1/TX1 is statically connected to USB-A port */
+ usb_dp_qmpphy_out_usb: endpoint@0 {
+ reg = <0>;
+
+ data-lanes = <2 3>;
+ remote-endpoint = <&usb3_con_ss_in>;
+ };
+
+ /* RX0/TX0 is statically connected to RA620 bridge */
+ usb_dp_qmpphy_out_dp: endpoint@1 {
+ reg = <1>;
+
+ data-lanes = <3 2>;
+ remote-endpoint = <&hdmi_bridge_in>;
+ };
+ };
+ };
+};
+
&usb_2 {
dr_mode = "host";
@@ -986,6 +1134,10 @@ &venus {
};
/* PINCTRL - additions to nodes defined in sc7280.dtsi */
+&dp_hot_plug_det {
+ bias-disable;
+};
+
&pcie0_clkreq_n {
bias-pull-up;
drive-strength = <2>;
--
2.51.0
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