diff --git a/arch/arm64/boot/dts/allwinner/sun55i-a527-cubie-a5e.dts b/arch/arm64/boot/dts/allwinner/sun55i-a527-cubie-a5e.dts
index d3c12a0854b4..e333bbaf01d3 100644
--- a/arch/arm64/boot/dts/allwinner/sun55i-a527-cubie-a5e.dts
+++ b/arch/arm64/boot/dts/allwinner/sun55i-a527-cubie-a5e.dts
@@ -42,6 +42,12 @@ use-led {
 		};
 	};
 
+	iio-hwmon {
+		compatible = "iio-hwmon";
+		io-channels = <&axp717_adc 3>, /* vsys_v */
+			      <&axp717_adc 4>; /* pmic_temp */
+	};
+
 	reg_vcc5v: vcc5v {
 		/* board wide 5V supply from the USB-C connector */
 		compatible = "regulator-fixed";
@@ -171,6 +177,17 @@ axp717: pmic@34 {
 		bldoin-supply = <&reg_vcc5v>;
 		cldoin-supply = <&reg_vcc5v>;
 
+		axp717_adc: adc {
+			compatible = "x-powers,axp717-adc";
+			#io-channel-cells = <1>;
+		};
+
+		battery-power {
+			compatible = "x-powers,axp717-battery-power-supply";
+			/* charger mode design but has no battery terminal */
+			status = "disabled";
+		};
+
 		regulators {
 			/* Supplies the "little" cluster (1.4 GHz cores) */
 			reg_dcdc1: dcdc1 {
@@ -276,6 +293,10 @@ reg_cpusldo: cpusldo {
 				regulator-name = "vdd-cpus";
 			};
 		};
+
+		usb-power {
+			compatible = "x-powers,axp717-usb-power-supply";
+		};
 	};
 
 	axp323: pmic@36 {
diff --git a/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts b/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts
index 7e3d71505744..054d0357c139 100644
--- a/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts
+++ b/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts
@@ -28,6 +28,12 @@ ext_osc32k: ext-osc32k-clk {
 		clock-output-names = "ext_osc32k";
 	};
 
+	iio-hwmon {
+		compatible = "iio-hwmon";
+		io-channels = <&axp717_adc 3>, /* vsys_v */
+			      <&axp717_adc 4>; /* pmic_temp */
+	};
+
 	reg_vcc12v: vcc12v {
 		/* DC input jack */
 		compatible = "regulator-fixed";
@@ -171,6 +177,17 @@ axp717: pmic@35 {
 		bldoin-supply = <&reg_vcc5v>;
 		cldoin-supply = <&reg_vcc5v>;
 
+		axp717_adc: adc {
+			compatible = "x-powers,axp717-adc";
+			#io-channel-cells = <1>;
+		};
+
+		battery-power {
+			compatible = "x-powers,axp717-battery-power-supply";
+			/* no battery; output used for dcdc4 instead */
+			status = "disabled";
+		};
+
 		regulators {
 			/* Supplies the "little" cluster (1.4 GHz cores) */
 			reg_dcdc1: dcdc1 {
@@ -277,6 +294,12 @@ reg_cpusldo: cpusldo {
 				regulator-name = "vdd-cpus";
 			};
 		};
+
+		usb-power {
+			compatible = "x-powers,axp717-usb-power-supply";
+			/* 12V-5V buck converter can supply up to 5A */
+			input-current-limit-microamp = <3250000>;
+		};
 	};
 
 	axp323: pmic@36 {
diff --git a/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts b/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts
index 0a611caa5465..f71860db83d3 100644
--- a/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts
+++ b/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts
@@ -41,6 +41,13 @@ led {
 		};
 	};
 
+	iio-hwmon {
+		compatible = "iio-hwmon";
+		io-channels = <&axp717_adc 3>, /* vsys_v */
+			      <&axp717_adc 4>, /* pmic_temp */
+			      <&axp717_adc 7>; /* bkup_batt_v */
+	};
+
 	wifi_pwrseq: pwrseq {
 		compatible = "mmc-pwrseq-simple";
 		reset-gpios = <&r_pio 1 1 GPIO_ACTIVE_LOW>; /* PM1 */
@@ -198,6 +205,17 @@ axp717: pmic@35 {
 		bldoin-supply = <&reg_vcc5v>;
 		cldoin-supply = <&reg_vcc5v>;
 
+		axp717_adc: adc {
+			compatible = "x-powers,axp717-adc";
+			#io-channel-cells = <1>;
+		};
+
+		battery-power {
+			compatible = "x-powers,axp717-battery-power-supply";
+			/* no battery; output used for dcdc4 instead */
+			status = "disabled";
+		};
+
 		regulators {
 			/* Supplies the "little" cluster (1.4 GHz cores) */
 			reg_dcdc1: dcdc1 {
@@ -312,6 +330,11 @@ reg_cpusldo: cpusldo {
 				regulator-name = "vdd-cpus-usb-0v9";
 			};
 		};
+
+		usb-power {
+			compatible = "x-powers,axp717-usb-power-supply";
+			input-current-limit-microamp = <3000000>;
+		};
 	};
 
 	axp323: pmic@36 {