[PATCH] arm64: dts: rockchip: Enable displayport for rk3576 evb2

From: Chaoyi Chen

Date: Tue Feb 24 2026 - 03:42:30 EST


From: Chaoyi Chen <chaoyi.chen@xxxxxxxxxxxxxx>

The rk3576 evb2 has a full size displayport connector. Enable it.

Signed-off-by: Chaoyi Chen <chaoyi.chen@xxxxxxxxxxxxxx>
---
.../boot/dts/rockchip/rk3576-evb2-v10.dts | 49 +++++++++++++++++++
1 file changed, 49 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3576-evb2-v10.dts b/arch/arm64/boot/dts/rockchip/rk3576-evb2-v10.dts
index 028fb0a830b2..6bdc232ab267 100644
--- a/arch/arm64/boot/dts/rockchip/rk3576-evb2-v10.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3576-evb2-v10.dts
@@ -27,6 +27,19 @@ chosen {
stdout-path = "serial0:1500000n8";
};

+ dp-con {
+ compatible = "dp-connector";
+ dp-pwr-supply = <&vcc3v3_dp_port>;
+ label = "DP OUT";
+ type = "full-size";
+
+ port {
+ dp0_con_in: endpoint {
+ remote-endpoint = <&dp0_out_con>;
+ };
+ };
+ };
+
hdmi-con {
compatible = "hdmi-connector";
type = "a";
@@ -312,6 +325,24 @@ &combphy1_psu {
status = "okay";
};

+&dp {
+ pinctrl-0 = <&dpm0_pins>;
+ pinctrl-names = "default";
+ status = "okay";
+};
+
+&dp0_in {
+ dp0_in_vp1: endpoint {
+ remote-endpoint = <&vp1_out_dp0>;
+ };
+};
+
+&dp0_out {
+ dp0_out_con: endpoint {
+ remote-endpoint = <&dp0_con_in>;
+ };
+};
+
&gmac0 {
clock_in_out = "output";
phy-mode = "rgmii-id";
@@ -1005,6 +1036,17 @@ hub_2_0: hub@1 {
};

&vop {
+ /*
+ * If no dedicated PLL was specified, the GPLL would be automatically
+ * assigned as the PLL source for dclk_vp1_src. As the frequency of GPLL
+ * is 1188 MHz, we can only get typical clock frequencies such as
+ * 74.25MHz, 148.5MHz, 297MHz, 594MHz.
+ *
+ * So here we set the parent clock of VP1 to VPLL so that we can get
+ * any frequency.
+ */
+ assigned-clocks = <&cru DCLK_VP1_SRC>;
+ assigned-clock-parents = <&cru PLL_VPLL>;
status = "okay";
};

@@ -1018,3 +1060,10 @@ vp0_out_hdmi: endpoint@ROCKCHIP_VOP2_EP_HDMI0 {
remote-endpoint = <&hdmi_in_vp0>;
};
};
+
+&vp1 {
+ vp1_out_dp0: endpoint@a {
+ reg = <ROCKCHIP_VOP2_EP_DP0>;
+ remote-endpoint = <&dp0_in_vp1>;
+ };
+};
--
2.51.1