[RFC PATCH 7/8] riscv: dts: thead: lichee-pi-4a: enable HDMI

From: Icenowy Zheng
Date: Thu Aug 14 2025 - 12:48:13 EST


Lichee Pi 4A board features a HDMI Type-A connector connected to the
HDMI TX controller of TH1520 SoC.

Add a device tree node describing the connector, connect it to the HDMI
controller, and enable everything on this display pipeline.

Signed-off-by: Icenowy Zheng <uwu@xxxxxxxxxx>
---
.../boot/dts/thead/th1520-lichee-pi-4a.dts | 25 +++++++++++++++++++
1 file changed, 25 insertions(+)

diff --git a/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts b/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts
index 4020c727f09e8..3e99f905dc316 100644
--- a/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts
+++ b/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts
@@ -28,6 +28,17 @@ aliases {
chosen {
stdout-path = "serial0:115200n8";
};
+
+ hdmi-connector {
+ compatible = "hdmi-connector";
+ type = "a";
+
+ port {
+ hdmi_con_in: endpoint {
+ remote-endpoint = <&hdmi_out_con>;
+ };
+ };
+ };
};

&padctrl0_apsys {
@@ -54,6 +65,20 @@ rx-pins {
};
};

+&dpu {
+ status = "okay";
+};
+
+&hdmi {
+ status = "okay";
+};
+
+&hdmi_out_port {
+ hdmi_out_con: endpoint {
+ remote-endpoint = <&hdmi_con_in>;
+ };
+};
+
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_pins>;
--
2.50.1