diff --git a/arch/arm64/boot/dts/freescale/imx8mn-var-som-symphony.dts b/arch/arm64/boot/dts/freescale/imx8mn-var-som-symphony.dts
index c98dca8e7889..ddd4651b35d7 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn-var-som-symphony.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mn-var-som-symphony.dts
@@ -168,6 +168,14 @@ pca6408: gpio@21 {
 		reg = <0x21>;
 		gpio-controller;
 		#gpio-cells = <2>;
+
+		/* RGB_SEL */
+		lvds-brg-enable-hog {
+			gpio-hog;
+			gpios = <7 GPIO_ACTIVE_HIGH>;
+			output-low;
+			line-name = "rgb_sel";
+		};
 	};
 
 	st33ktpm2xi2c: tpm@2e {