[PATCH v2 16/17] riscv: dts: spacemit: k3-com260-ifx: enable the DisplayPort output

CoM260-IFX carries a single DisplayPort output, so the second DPU and
the DisplayPort controller it feeds are enabled.

Signed-off-by: Cody Kang <[email protected]>

---
v2:
- describe the DP receptacle (dp-connector) and link it to dp1 port@1
  (Rob Herring, on patch 03)
---
 arch/riscv/boot/dts/spacemit/k3-com260-ifx.dts | 27 ++++++++++++++++++++++++++
 arch/riscv/boot/dts/spacemit/k3-pinctrl.dtsi   | 11 +++++++++++
 2 files changed, 38 insertions(+)

diff --git a/arch/riscv/boot/dts/spacemit/k3-com260-ifx.dts b/arch/riscv/boot/dts/spacemit/k3-com260-ifx.dts
index 238bb03d0e9e2..ec87c281e02c6 100644
--- a/arch/riscv/boot/dts/spacemit/k3-com260-ifx.dts
+++ b/arch/riscv/boot/dts/spacemit/k3-com260-ifx.dts
@@ -5,6 +5,7 @@
  */
 
 #include "k3-com260.dtsi"
+#include "k3-display.dtsi"
 
 / {
 	model = "SpacemiT K3 CoM260 IFX";
@@ -18,4 +19,30 @@ aliases {
 	chosen {
 		stdout-path = "serial0:115200n8";
 	};
+
+	connector {
+		compatible = "dp-connector";
+		label = "DP1";
+		type = "full-size";
+
+		port {
+			dp1_connector_in: endpoint {
+				remote-endpoint = <&dp1_out>;
+			};
+		};
+	};
+};
+
+&dpu1_crtc0 {
+	status = "okay";
+};
+
+&dp1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&dp1_3_cfg>;
+	status = "okay";
+};
+
+&dp1_out {
+	remote-endpoint = <&dp1_connector_in>;
 };
diff --git a/arch/riscv/boot/dts/spacemit/k3-pinctrl.dtsi b/arch/riscv/boot/dts/spacemit/k3-pinctrl.dtsi
index 2f36eba20f1ee..dbe8db4a8b764 100644
--- a/arch/riscv/boot/dts/spacemit/k3-pinctrl.dtsi
+++ b/arch/riscv/boot/dts/spacemit/k3-pinctrl.dtsi
@@ -22,6 +22,17 @@ dp1-pins {
 		};
 	};
 
+	/omit-if-no-ref/
+	dp1_3_cfg: dp1-3-cfg {
+		dp1-pins {
+			pinmux = <K3_PADCONF(72, 4)>;	/* dp1 hpd */
+
+			bias-disable;
+			drive-strength = <25>;
+			power-source = <3300>;
+		};
+	};
+
 	gmac0_rgmii_0_cfg: gmac0-rgmii-0-cfg {
 		gmac0-rgmii-0-pins {
 			pinmux = <K3_PADCONF(0, 1)>,	/* gmac0_rxdv */

-- 
2.43.0