diff --git a/arch/arm64/boot/dts/freescale/imx91-var-dart-sonata.dts b/arch/arm64/boot/dts/freescale/imx91-var-dart-sonata.dts
index afa39dab240a..3f0fd321d95f 100644
--- a/arch/arm64/boot/dts/freescale/imx91-var-dart-sonata.dts
+++ b/arch/arm64/boot/dts/freescale/imx91-var-dart-sonata.dts
@@ -90,6 +90,13 @@ reg_vref_1v8: regulator-adc-vref {
 		regulator-max-microvolt = <1800000>;
 	};
 
+	reg_rgb_sel: regulator-rgb-enable {
+		compatible = "regulator-fixed";
+		regulator-name = "RGBSEL";
+		gpio = <&pca9534 7 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
 	reg_usdhc2_vmmc: regulator-vmmc-usdhc2 {
 		compatible = "regulator-fixed";
 		pinctrl-names = "default";
@@ -195,6 +202,7 @@ pca6408_1: gpio@20 {
 		#gpio-cells = <2>;
 		interrupt-parent = <&gpio1>;
 		interrupts = <10 IRQ_TYPE_LEVEL_LOW>;
+		vcc-supply = <&reg_rgb_sel>;
 	};
 
 	pca6408_2: gpio@21 {
@@ -204,6 +212,7 @@ pca6408_2: gpio@21 {
 		#gpio-cells = <2>;
 		interrupt-parent = <&gpio1>;
 		interrupts = <10 IRQ_TYPE_LEVEL_LOW>;
+		vcc-supply = <&reg_rgb_sel>;
 	};
 
 	pca9534: gpio@22 {