diff --git a/arch/arm/dts/rk3399-puma-haikou-u-boot.dtsi b/arch/arm/dts/rk3399-puma-haikou-u-boot.dtsi
index 1930e5e..5a9bd32 100644
--- a/arch/arm/dts/rk3399-puma-haikou-u-boot.dtsi
+++ b/arch/arm/dts/rk3399-puma-haikou-u-boot.dtsi
@@ -30,18 +30,6 @@
 	aliases {
 		spi5 = &spi5;
 	};
-
-	vdd_log: vdd-log {
-		compatible = "pwm-regulator";
-		pwms = <&pwm2 0 25000 1>;
-		regulator-name = "vdd_log";
-		regulator-always-on;
-		regulator-boot-on;
-		regulator-min-microvolt = <800000>;
-		regulator-max-microvolt = <1400000>;
-		regulator-init-microvolt = <950000>;
-		vin-supply = <&vcc5v0_sys>;
-	};
 };
 
 &binman {
@@ -111,3 +99,7 @@
 	bootph-pre-sram;
 	bootph-pre-ram;
 };
+
+&vdd_log {
+	regulator-init-microvolt = <950000>;
+};
diff --git a/arch/arm/dts/rk3399-puma-haikou.dts b/arch/arm/dts/rk3399-puma-haikou.dts
index 115c14c..18a98c4 100644
--- a/arch/arm/dts/rk3399-puma-haikou.dts
+++ b/arch/arm/dts/rk3399-puma-haikou.dts
@@ -5,6 +5,7 @@
 
 /dts-v1/;
 #include "rk3399-puma.dtsi"
+#include <dt-bindings/input/input.h>
 
 / {
 	model = "Theobroma Systems RK3399-Q7 SoM";
@@ -18,6 +19,38 @@
 		stdout-path = "serial0:115200n8";
 	};
 
+	gpio-keys {
+		compatible = "gpio-keys";
+		pinctrl-0 = <&haikou_keys_pin>;
+		pinctrl-names = "default";
+
+		button-batlow-n {
+			gpios = <&gpio0 RK_PB2 GPIO_ACTIVE_LOW>;
+			label = "BATLOW#";
+			linux,code = <KEY_BATTERY>;
+		};
+
+		button-slp-btn-n {
+			gpios = <&gpio0 RK_PB3 GPIO_ACTIVE_LOW>;
+			label = "SLP_BTN#";
+			linux,code = <KEY_SLEEP>;
+		};
+
+		button-wake-n {
+			gpios = <&gpio0 RK_PB1 GPIO_ACTIVE_LOW>;
+			label = "WAKE#";
+			linux,code = <KEY_WAKEUP>;
+			wakeup-source;
+		};
+
+		switch-lid-btn-n {
+			gpios = <&gpio0 RK_PA4 GPIO_ACTIVE_LOW>;
+			label = "LID_BTN#";
+			linux,code = <SW_LID>;
+			linux,input-type = <EV_SW>;
+		};
+	};
+
 	leds {
 		pinctrl-0 = <&module_led_pin>, <&sd_card_led_pin>;
 
@@ -165,11 +198,8 @@
 };
 
 &pinctrl {
-	pinctrl-names = "default";
-	pinctrl-0 = <&haikou_pin_hog>;
-
-	hog {
-		haikou_pin_hog: haikou-pin-hog {
+	buttons {
+		haikou_keys_pin: haikou-keys-pin {
 			rockchip,pins =
 			  /* LID_BTN */
 			  <0 RK_PA4 RK_FUNC_GPIO &pcfg_pull_up>,
@@ -177,7 +207,7 @@
 			  <0 RK_PB2 RK_FUNC_GPIO &pcfg_pull_up>,
 			  /* SLP_BTN# */
 			  <0 RK_PB3 RK_FUNC_GPIO &pcfg_pull_up>,
-			  /* BIOS_DISABLE# */
+			  /* WAKE# */
 			  <0 RK_PB1 RK_FUNC_GPIO &pcfg_pull_up>;
 		};
 	};
diff --git a/arch/arm/dts/rk3399-puma.dtsi b/arch/arm/dts/rk3399-puma.dtsi
index aa3e21b..c08e693 100644
--- a/arch/arm/dts/rk3399-puma.dtsi
+++ b/arch/arm/dts/rk3399-puma.dtsi
@@ -9,6 +9,7 @@
 
 / {
 	aliases {
+		ethernet0 = &gmac;
 		mmc0 = &sdhci;
 	};
 
@@ -27,7 +28,7 @@
 
 	extcon_usb3: extcon-usb3 {
 		compatible = "linux,extcon-usb-gpio";
-		id-gpio = <&gpio1 RK_PC2 GPIO_ACTIVE_HIGH>;
+		id-gpios = <&gpio1 RK_PC2 GPIO_ACTIVE_HIGH>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&usb3_id>;
 	};
@@ -119,6 +120,20 @@
 	drive-impedance-ohm = <33>;
 };
 
+&gpio0 {
+	/*
+	 * The BIOS_DISABLE hog is a feedback pin for the actual status of the
+	 * signal. This usually represents the state of a switch on the baseboard.
+	 * The pin has a 10k pull-up resistor connected, so no pull-up setting is needed.
+	 */
+	bios-disable-hog {
+		gpios = <RK_PB0 GPIO_ACTIVE_HIGH>;
+		gpio-hog;
+		input;
+		line-name = "bios_disable";
+	};
+};
+
 &gmac {
 	assigned-clocks = <&cru SCLK_RMII_SRC>;
 	assigned-clock-parents = <&clkin_gmac>;