[PATCH v7 7/8] riscv: dts: thead: lichee-pi-4a: enable HDMI

Icenowy Zheng
2026-01-29T02:40:17Z

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@icenowy.me>
Signed-off-by: Icenowy Zheng <zhengxingda@iscas.ac.cn>
Tested-by: Han Gao <gaohan@iscas.ac.cn>
Tested-by: Michal Wilczynski <m.wilczynski@samsung.com>
---
No changes in v5.

Changes in v4:
- Rebased on top of v6.19-rc1.

No changes in v2, v3.

.../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 c58c2085ca92a..7cb7d28683bce 100644
--- a/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts
+++ b/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts
@@ -29,6 +29,17 @@ chosen {
stdout-path = "serial0:115200n8";
};

+ hdmi-connector {
+ compatible = "hdmi-connector";
+ type = "a";
+
+ port {
+ hdmi_con_in: endpoint {
+ remote-endpoint = <&hdmi_out_con>;
+ };
+ };
+ };
+
thermal-zones {
cpu-thermal {
polling-delay = <1000>;
@@ -121,6 +132,20 @@ 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>;
--
2.52.0