diff --git a/arch/arm/boot/dts/overlays/README b/arch/arm/boot/dts/overlays/README
index 35178da3e5a7..23674cdcb1a3 100644
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -3737,6 +3737,10 @@ Params: rotation                Mounting rotation of the camera sensor (0 or
         clk-continuous          Switch to continuous mode on the CSI clock lane,
                                 which increases the maximum frame rate slightly.
                                 Appears not to work on Pi3.
+        trigger-mode            Enable external trigger mode (0 = normal,
+                                1 = triggered). In this mode, the sensor outputs
+                                a frame only when triggered by a rising edge
+                                on the FSIN input pin.
 
 
 Name:   papirus
diff --git a/arch/arm/boot/dts/overlays/ov9281-overlay.dts b/arch/arm/boot/dts/overlays/ov9281-overlay.dts
index 82dd992fdb7e..d132c6b83611 100644
--- a/arch/arm/boot/dts/overlays/ov9281-overlay.dts
+++ b/arch/arm/boot/dts/overlays/ov9281-overlay.dts
@@ -96,6 +96,7 @@
 		       <&reg_frag>, "target:0=",<&cam0_reg>;
 		arducam = <0>, "+6";
 		clk-continuous = <0>, "-7-8";
+		trigger-mode = <&cam_node>, "trigger-mode:0";
 	};
 };
 
diff --git a/arch/arm/boot/dts/overlays/ov9281.dtsi b/arch/arm/boot/dts/overlays/ov9281.dtsi
index 321a2eb8c8f2..80f9da98ee8a 100644
--- a/arch/arm/boot/dts/overlays/ov9281.dtsi
+++ b/arch/arm/boot/dts/overlays/ov9281.dtsi
@@ -14,6 +14,7 @@ cam_node: ov9281@60 {
 
 	rotation = <0>;
 	orientation = <2>;
+	trigger-mode = <0>;
 
 	port {
 		cam_endpoint: endpoint {