diff --git a/src/arm/renesas/iwg20d-q7-dbcm-ca.dtsi b/src/arm/renesas/iwg20d-q7-dbcm-ca.dtsi
index e10f992..de52218 100644
--- a/src/arm/renesas/iwg20d-q7-dbcm-ca.dtsi
+++ b/src/arm/renesas/iwg20d-q7-dbcm-ca.dtsi
@@ -27,6 +27,15 @@
 			};
 		};
 	};
+
+	reg_1p8v: regulator-1p8v {
+		compatible = "regulator-fixed";
+		regulator-name = "1P8V";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
 };
 
 &can1 {
@@ -69,6 +78,12 @@
 		clocks = <&cec_clock>;
 		clock-names = "cec";
 
+		avdd-supply = <&reg_1p8v>;
+		dvdd-supply = <&reg_1p8v>;
+		pvdd-supply = <&reg_1p8v>;
+		dvdd-3v-supply = <&reg_3p3v>;
+		bgvdd-supply = <&reg_1p8v>;
+
 		adi,input-depth = <8>;
 		adi,input-colorspace = "rgb";
 		adi,input-clock = "1x";
diff --git a/src/arm/renesas/r8a7740-armadillo800eva.dts b/src/arm/renesas/r8a7740-armadillo800eva.dts
index d21e00e..e1ac2c1 100644
--- a/src/arm/renesas/r8a7740-armadillo800eva.dts
+++ b/src/arm/renesas/r8a7740-armadillo800eva.dts
@@ -132,7 +132,7 @@
 		i2c-gpio,delay-us = <5>;
 	};
 
-	backlight {
+	backlight: backlight {
 		compatible = "pwm-backlight";
 		pwms = <&tpu 2 33333 PWM_POLARITY_INVERTED>;
 		brightness-levels = <0 1 2 4 8 16 32 64 128 255>;
@@ -143,6 +143,18 @@
 		enable-gpios = <&pfc 61 GPIO_ACTIVE_HIGH>;
 	};
 
+	panel {
+		compatible = "ampire,am-800480l1tmqw-t00h";
+		backlight = <&backlight>;
+		power-supply = <&reg_5p0v>;
+
+		port {
+			panel_in: endpoint {
+				remote-endpoint = <&lcdc0_rgb>;
+			};
+		};
+	};
+
 	sound {
 		compatible = "simple-audio-card";
 
@@ -228,10 +240,22 @@
 	};
 };
 
-&pfc {
+&lcdc0 {
 	pinctrl-0 = <&lcd0_pins>;
 	pinctrl-names = "default";
 
+	status = "okay";
+
+	ports {
+		port@0 {
+			endpoint {
+				remote-endpoint = <&panel_in>;
+			};
+		};
+	};
+};
+
+&pfc {
 	ether_pins: ether {
 		groups = "gether_mii", "gether_int";
 		function = "gether";
diff --git a/src/arm/renesas/r8a7740.dtsi b/src/arm/renesas/r8a7740.dtsi
index 1b2cf5f..55884ec 100644
--- a/src/arm/renesas/r8a7740.dtsi
+++ b/src/arm/renesas/r8a7740.dtsi
@@ -398,6 +398,61 @@
 		status = "disabled";
 	};
 
+	lcdc0: lcd-controller@fe940000 {
+		compatible = "renesas,r8a7740-lcdc";
+		reg = <0xfe940000 0x4000>;
+		interrupts = <GIC_SPI 177 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&mstp1_clks R8A7740_CLK_LCDC0>,
+			 <&cpg_clocks R8A7740_CLK_M3>, <&lcdlclk0_clk>,
+			 <&vou_clk>;
+		clock-names = "fck", "media", "lclk", "video";
+		power-domains = <&pd_a4lc>;
+		status = "disabled";
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+
+				lcdc0_rgb: endpoint {
+				};
+			};
+		};
+	};
+
+	lcdc1: lcd-controller@fe944000 {
+		compatible = "renesas,r8a7740-lcdc";
+		reg = <0xfe944000 0x4000>;
+		interrupts = <GIC_SPI 178 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&mstp1_clks R8A7740_CLK_LCDC1>,
+			 <&cpg_clocks R8A7740_CLK_M3>, <&lcdlclk1_clk>,
+			 <&vou_clk>;
+		clock-names = "fck", "media", "lclk", "video";
+		power-domains = <&pd_a4lc>;
+		status = "disabled";
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+
+				lcdc1_rgb: endpoint {
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+
+				lcdc1_hdmi: endpoint {
+				};
+			};
+		};
+	};
+
 	tmu0: timer@fff80000 {
 		compatible = "renesas,tmu-r8a7740", "renesas,tmu";
 		reg = <0xfff80000 0x2c>;
@@ -474,6 +529,16 @@
 			#clock-cells = <0>;
 			clock-frequency = <0>;
 		};
+		lcdlclk0_clk: lcdlclk0 {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <0>;
+		};
+		lcdlclk1_clk: lcdlclk1 {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <0>;
+		};
 
 		/* Special CPG clocks */
 		cpg_clocks: cpg_clocks@e6150000 {
diff --git a/src/arm/renesas/r8a7745-iwg22d-sodimm-dbhd-ca.dts b/src/arm/renesas/r8a7745-iwg22d-sodimm-dbhd-ca.dts
index b1f679d..a0b5743 100644
--- a/src/arm/renesas/r8a7745-iwg22d-sodimm-dbhd-ca.dts
+++ b/src/arm/renesas/r8a7745-iwg22d-sodimm-dbhd-ca.dts
@@ -34,6 +34,15 @@
 			};
 		};
 	};
+
+	reg_1p8v: regulator-1p8v {
+		compatible = "regulator-fixed";
+		regulator-name = "1P8V";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
 };
 
 &du {
@@ -81,6 +90,12 @@
 		clock-names = "cec";
 		pd-gpios = <&gpio2 24 GPIO_ACTIVE_HIGH>;
 
+		avdd-supply = <&reg_1p8v>;
+		dvdd-supply = <&reg_1p8v>;
+		pvdd-supply = <&reg_1p8v>;
+		dvdd-3v-supply = <&reg_3p3v>;
+		bgvdd-supply = <&reg_1p8v>;
+
 		adi,input-depth = <8>;
 		adi,input-colorspace = "rgb";
 		adi,input-clock = "1x";
diff --git a/src/arm/renesas/r8a7745-iwg22d-sodimm.dts b/src/arm/renesas/r8a7745-iwg22d-sodimm.dts
index c105932..2441104 100644
--- a/src/arm/renesas/r8a7745-iwg22d-sodimm.dts
+++ b/src/arm/renesas/r8a7745-iwg22d-sodimm.dts
@@ -182,7 +182,7 @@
 		VDDIO-supply = <&reg_3p3v>;
 	};
 
-	stmpe811@44 {
+	port-expander@44 {
 		compatible = "st,stmpe811";
 		reg = <0x44>;
 		interrupt-parent = <&gpio4>;
@@ -197,7 +197,7 @@
 		/* internal ADC reference */
 		st,ref-sel = <0>;
 
-		stmpe_touchscreen {
+		touchscreen {
 			compatible = "st,stmpe-ts";
 			/* 8 sample average control */
 			st,ave-ctrl = <3>;
diff --git a/src/arm/renesas/r8a7779-marzen.dts b/src/arm/renesas/r8a7779-marzen.dts
index 08ea149..9b13e8d 100644
--- a/src/arm/renesas/r8a7779-marzen.dts
+++ b/src/arm/renesas/r8a7779-marzen.dts
@@ -52,10 +52,10 @@
 		states = <3300000 1>, <1800000 0>;
 	};
 
-	keyboard-irq {
+	keypad-0 {
 		compatible = "gpio-keys";
 
-		pinctrl-0 = <&keyboard_irq_pins>;
+		pinctrl-0 = <&keypad0_pins>;
 		pinctrl-names = "default";
 
 		interrupt-parent = <&gpio0>;
@@ -76,11 +76,11 @@
 		};
 	};
 
-	keyboard-gpio {
+	keypad-1 {
 		compatible = "gpio-keys-polled";
 		poll-interval = <50>;
 
-		pinctrl-0 = <&keyboard_gpio_pins>;
+		pinctrl-0 = <&keypad1_pins>;
 		pinctrl-names = "default";
 
 		key-3 {
@@ -193,7 +193,7 @@
 };
 
 &gpio0 {
-	keyboard-irq-hog {
+	keypad0-hog {
 		gpio-hog;
 		gpios = <17 GPIO_ACTIVE_LOW>, <18 GPIO_ACTIVE_LOW>;
 		input;
@@ -215,6 +215,35 @@
 };
 
 &lbsc {
+	flash@0 {
+		compatible = "cfi-flash";
+		reg = <0x0 0x04000000>;
+		pinctrl-0 = <&flash_pins>;
+		pinctrl-names = "default";
+		bank-width = <2>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "uboot";
+				reg = <0x00000000 0x00040000>;
+				read-only;
+			};
+			partition@40000 {
+				label = "uboot-env";
+				reg = <0x00040000 0x00040000>;
+				read-only;
+			};
+			partition@80000 {
+				label = "flash";
+				reg = <0x00080000 0x03f80000>;
+			};
+		};
+	};
+
 	ethernet@18000000 {
 		compatible = "smsc,lan89218", "smsc,lan9115";
 		reg = <0x18000000 0x100>;
@@ -266,6 +295,11 @@
 		};
 	};
 
+	flash_pins: flash {
+		groups = "lbsc_cs0";
+		function = "lbsc";
+	};
+
 	scif2_pins: scif2 {
 		groups = "scif2_data_c";
 		function = "scif2";
@@ -286,11 +320,11 @@
 		function = "hspi0";
 	};
 
-	keyboard_irq_pins: keyboard-irq {
+	keypad0_pins: keypad-0 {
 		pins = "GP_0_17", "GP_0_18";
 		bias-pull-up;
 	};
-	keyboard_gpio_pins: keyboard-gpio {
+	keypad1_pins: keypad-1 {
 		pins = "GP_0_19", "GP_0_20";
 		bias-pull-up;
 	};
diff --git a/src/arm/renesas/r8a7790-lager.dts b/src/arm/renesas/r8a7790-lager.dts
index 4d666ad..8590981 100644
--- a/src/arm/renesas/r8a7790-lager.dts
+++ b/src/arm/renesas/r8a7790-lager.dts
@@ -122,6 +122,15 @@
 		};
 	};
 
+	fixedregulator1v8: regulator-1v8 {
+		compatible = "regulator-fixed";
+		regulator-name = "fixed-1.8V";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+
 	fixedregulator3v3: regulator-3v3 {
 		compatible = "regulator-fixed";
 		regulator-name = "fixed-3.3V";
@@ -303,7 +312,7 @@
 	 *
 	 * IIC0/I2C0 does not appear to support fallback to GPIO.
 	 */
-	i2cexio0: i2c-10 {
+	i2cexio0: i2c-mux1 {
 		compatible = "i2c-demux-pinctrl";
 		i2c-parent = <&iic0>, <&i2c0>;
 		i2c-bus-name = "i2c-exio0";
@@ -316,7 +325,7 @@
 	 * This is similar to the arangement described for i2cexio0 (above)
 	 * with a fallback to GPIO also provided.
 	 */
-	i2cexio1: i2c-11 {
+	i2cexio1: i2c-mux2 {
 		compatible = "i2c-demux-pinctrl";
 		i2c-parent = <&iic1>, <&i2c1>, <&gpioi2c1>;
 		i2c-bus-name = "i2c-exio1";
@@ -328,7 +337,7 @@
 	 * IIC2 and I2C2 may be switched using pinmux.
 	 * A fallback to GPIO is also provided.
 	 */
-	i2chdmi: i2c-12 {
+	i2chdmi: i2c-mux3 {
 		compatible = "i2c-demux-pinctrl";
 		i2c-parent = <&iic2>, <&i2c2>, <&gpioi2c2>;
 		i2c-bus-name = "i2c-hdmi";
@@ -361,6 +370,12 @@
 			clocks = <&cec_clock>;
 			clock-names = "cec";
 
+			avdd-supply = <&fixedregulator1v8>;
+			dvdd-supply = <&fixedregulator1v8>;
+			pvdd-supply = <&fixedregulator1v8>;
+			dvdd-3v-supply = <&fixedregulator3v3>;
+			bgvdd-supply = <&fixedregulator1v8>;
+
 			adi,input-depth = <8>;
 			adi,input-colorspace = "rgb";
 			adi,input-clock = "1x";
@@ -417,7 +432,7 @@
 	 * IIC3 and I2C3 may be switched using pinmux.
 	 * IIC3/I2C3 does not appear to support fallback to GPIO.
 	 */
-	i2cpwr: i2c-13 {
+	i2cpwr: i2c-mux4 {
 		compatible = "i2c-demux-pinctrl";
 		pinctrl-names = "default";
 		pinctrl-0 = <&pmic_irq_pins>;
@@ -432,6 +447,7 @@
 			interrupt-parent = <&irqc0>;
 			interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
 			interrupt-controller;
+			#interrupt-cells = <2>;
 
 			rtc {
 				compatible = "dlg,da9063-rtc";
diff --git a/src/arm/renesas/r8a7790-stout.dts b/src/arm/renesas/r8a7790-stout.dts
index fe14727..683f739 100644
--- a/src/arm/renesas/r8a7790-stout.dts
+++ b/src/arm/renesas/r8a7790-stout.dts
@@ -44,6 +44,15 @@
 		};
 	};
 
+	fixedregulator1v8: regulator-1v8 {
+		compatible = "regulator-fixed";
+		regulator-name = "fixed-1.8V";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+
 	fixedregulator3v3: regulator-3v3 {
 		compatible = "regulator-fixed";
 		regulator-name = "fixed-3.3V";
@@ -296,6 +305,12 @@
 		clocks = <&osc4_clk>;
 		clock-names = "cec";
 
+		avdd-supply = <&fixedregulator1v8>;
+		dvdd-supply = <&fixedregulator1v8>;
+		pvdd-supply = <&fixedregulator1v8>;
+		dvdd-3v-supply = <&fixedregulator3v3>;
+		bgvdd-supply = <&fixedregulator1v8>;
+
 		adi,input-depth = <8>;
 		adi,input-colorspace = "rgb";
 		adi,input-clock = "1x";
@@ -332,6 +347,7 @@
 		interrupt-parent = <&irqc0>;
 		interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
 		interrupt-controller;
+		#interrupt-cells = <2>;
 
 		onkey {
 			compatible = "dlg,da9063-onkey";
diff --git a/src/arm/renesas/r8a7791-koelsch.dts b/src/arm/renesas/r8a7791-koelsch.dts
index 545515b..0efd9f9 100644
--- a/src/arm/renesas/r8a7791-koelsch.dts
+++ b/src/arm/renesas/r8a7791-koelsch.dts
@@ -174,6 +174,24 @@
 		};
 	};
 
+	reg_1p8v: regulator-1v8 {
+		compatible = "regulator-fixed";
+		regulator-name = "fixed-1.8V";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+
+	reg_3p3v: regulator-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "fixed-3.3V";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+
 	vcc_sdhi0: regulator-vcc-sdhi0 {
 		compatible = "regulator-fixed";
 
@@ -340,7 +358,7 @@
 	 * I2C1 is routed to EXIO connector B, pins 64 (SCL) + 66 (SDA).
 	 * A fallback to GPIO is provided.
 	 */
-	i2cexio1: i2c-12 {
+	i2cexio1: i2c-mux1 {
 		compatible = "i2c-demux-pinctrl";
 		i2c-parent = <&i2c1>, <&gpioi2c1>;
 		i2c-bus-name = "i2c-exio1";
@@ -351,7 +369,7 @@
 	/*
 	 * A fallback to GPIO is provided for I2C2.
 	 */
-	i2chdmi: i2c-13 {
+	i2chdmi: i2c-mux2 {
 		compatible = "i2c-demux-pinctrl";
 		i2c-parent = <&i2c2>, <&gpioi2c2>;
 		i2c-bus-name = "i2c-hdmi";
@@ -384,6 +402,12 @@
 			clocks = <&cec_clock>;
 			clock-names = "cec";
 
+			avdd-supply = <&reg_1p8v>;
+			dvdd-supply = <&reg_1p8v>;
+			pvdd-supply = <&reg_1p8v>;
+			dvdd-3v-supply = <&reg_3p3v>;
+			bgvdd-supply = <&reg_1p8v>;
+
 			adi,input-depth = <8>;
 			adi,input-colorspace = "rgb";
 			adi,input-clock = "1x";
@@ -446,7 +470,7 @@
 	 * I2C4 is routed to EXIO connector E, pins 37 (SCL) + 39 (SDA).
 	 * A fallback to GPIO is provided.
 	 */
-	i2cexio4: i2c-14 {
+	i2cexio4: i2c-mux3 {
 		compatible = "i2c-demux-pinctrl";
 		i2c-parent = <&i2c4>, <&gpioi2c4>;
 		i2c-bus-name = "i2c-exio4";
@@ -795,6 +819,7 @@
 		interrupt-parent = <&irqc0>;
 		interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
 		interrupt-controller;
+		#interrupt-cells = <2>;
 
 		rtc {
 			compatible = "dlg,da9063-rtc";
diff --git a/src/arm/renesas/r8a7791-porter.dts b/src/arm/renesas/r8a7791-porter.dts
index ec0a20d..93c86e9 100644
--- a/src/arm/renesas/r8a7791-porter.dts
+++ b/src/arm/renesas/r8a7791-porter.dts
@@ -47,6 +47,24 @@
 		reg = <2 0x00000000 0 0x40000000>;
 	};
 
+	reg_1p8v: regulator-1v8 {
+		compatible = "regulator-fixed";
+		regulator-name = "fixed-1.8V";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+
+	reg_3p3v: regulator-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "fixed-3.3V";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+
 	vcc_sdhi0: regulator-vcc-sdhi0 {
 		compatible = "regulator-fixed";
 
@@ -148,7 +166,7 @@
 	/*
 	 * A fallback to GPIO is provided for I2C2.
 	 */
-	i2chdmi: i2c-10 {
+	i2chdmi: i2c-mux1 {
 		compatible = "i2c-demux-pinctrl";
 		i2c-parent = <&i2c2>, <&gpioi2c2>;
 		i2c-bus-name = "i2c-hdmi";
@@ -179,6 +197,12 @@
 			interrupt-parent = <&gpio3>;
 			interrupts = <29 IRQ_TYPE_LEVEL_LOW>;
 
+			avdd-supply = <&reg_1p8v>;
+			dvdd-supply = <&reg_1p8v>;
+			pvdd-supply = <&reg_1p8v>;
+			dvdd-3v-supply = <&reg_3p3v>;
+			bgvdd-supply = <&reg_1p8v>;
+
 			adi,input-depth = <8>;
 			adi,input-colorspace = "rgb";
 			adi,input-clock = "1x";
@@ -389,6 +413,7 @@
 		interrupt-parent = <&irqc0>;
 		interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
 		interrupt-controller;
+		#interrupt-cells = <2>;
 
 		watchdog {
 			compatible = "dlg,da9063-watchdog";
diff --git a/src/arm/renesas/r8a7792-blanche.dts b/src/arm/renesas/r8a7792-blanche.dts
index e793134..540a9ad 100644
--- a/src/arm/renesas/r8a7792-blanche.dts
+++ b/src/arm/renesas/r8a7792-blanche.dts
@@ -30,6 +30,15 @@
 		reg = <0 0x40000000 0 0x40000000>;
 	};
 
+	d1_8v: regulator-1v8 {
+		compatible = "regulator-fixed";
+		regulator-name = "D1.8V";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+
 	d3_3v: regulator-3v3 {
 		compatible = "regulator-fixed";
 		regulator-name = "D3.3V";
@@ -182,6 +191,35 @@
 };
 
 &lbsc {
+	flash@0 {
+		compatible = "cfi-flash";
+		reg = <0x00000000 0x04000000>;
+		pinctrl-0 = <&flash_pins>;
+		pinctrl-names = "default";
+		bank-width = <2>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "uboot";
+				reg = <0x00000000 0x00040000>;
+				read-only;
+			};
+			partition@40000 {
+				label = "uboot-env";
+				reg = <0x00040000 0x00040000>;
+				read-only;
+			};
+			partition@80000 {
+				label = "flash";
+				reg = <0x00080000 0x03f80000>;
+			};
+		};
+	};
+
 	ethernet@18000000 {
 		compatible = "smsc,lan89218", "smsc,lan9115";
 		reg = <0x18000000 0x100>;
@@ -240,6 +278,11 @@
 		function = "du1";
 	};
 
+	flash_pins: flash {
+		groups = "lbsc_cs0";
+		function = "lbsc";
+	};
+
 	keyboard_pins: keyboard {
 		pins = "GP_3_10", "GP_3_11", "GP_3_12", "GP_3_15", "GP_11_2";
 		bias-pull-up;
@@ -296,6 +339,12 @@
 		interrupt-parent = <&irqc>;
 		interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
 
+		avdd-supply = <&d1_8v>;
+		dvdd-supply = <&d1_8v>;
+		pvdd-supply = <&d1_8v>;
+		dvdd-3v-supply = <&d3_3v>;
+		bgvdd-supply = <&d1_8v>;
+
 		adi,input-depth = <8>;
 		adi,input-colorspace = "rgb";
 		adi,input-clock = "1x";
@@ -332,6 +381,7 @@
 		interrupt-parent = <&irqc>;
 		interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
 		interrupt-controller;
+		#interrupt-cells = <2>;
 
 		rtc {
 			compatible = "dlg,da9063-rtc";
diff --git a/src/arm/renesas/r8a7792-wheat.dts b/src/arm/renesas/r8a7792-wheat.dts
index f87e78f..000f21a 100644
--- a/src/arm/renesas/r8a7792-wheat.dts
+++ b/src/arm/renesas/r8a7792-wheat.dts
@@ -29,6 +29,15 @@
 		reg = <0 0x40000000 0 0x40000000>;
 	};
 
+	d1_8v: regulator-1v8 {
+		compatible = "regulator-fixed";
+		regulator-name = "D1.8V";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+
 	d3_3v: regulator-3v3 {
 		compatible = "regulator-fixed";
 		regulator-name = "D3.3V";
@@ -254,6 +263,12 @@
 		reg = <0x3d>, <0x4d>, <0x2d>, <0x5d>;
 		reg-names = "main", "edid", "cec", "packet";
 
+		avdd-supply = <&d1_8v>;
+		dvdd-supply = <&d1_8v>;
+		pvdd-supply = <&d1_8v>;
+		dvdd-3v-supply = <&d3_3v>;
+		bgvdd-supply = <&d1_8v>;
+
 		adi,input-depth = <8>;
 		adi,input-colorspace = "rgb";
 		adi,input-clock = "1x";
@@ -283,6 +298,12 @@
 		reg = <0x39>, <0x49>, <0x29>, <0x59>;
 		reg-names = "main", "edid", "cec", "packet";
 
+		avdd-supply = <&d1_8v>;
+		dvdd-supply = <&d1_8v>;
+		pvdd-supply = <&d1_8v>;
+		dvdd-3v-supply = <&d3_3v>;
+		bgvdd-supply = <&d1_8v>;
+
 		adi,input-depth = <8>;
 		adi,input-colorspace = "rgb";
 		adi,input-clock = "1x";
diff --git a/src/arm/renesas/r8a7793-gose.dts b/src/arm/renesas/r8a7793-gose.dts
index 79b537b..1ea6c75 100644
--- a/src/arm/renesas/r8a7793-gose.dts
+++ b/src/arm/renesas/r8a7793-gose.dts
@@ -165,6 +165,24 @@
 		};
 	};
 
+	reg_1p8v: regulator-1v8 {
+		compatible = "regulator-fixed";
+		regulator-name = "fixed-1.8V";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+
+	reg_3p3v: regulator-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "fixed-3.3V";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+
 	vcc_sdhi0: regulator-vcc-sdhi0 {
 		compatible = "regulator-fixed";
 
@@ -324,7 +342,7 @@
 	/*
 	 * A fallback to GPIO is provided for I2C2.
 	 */
-	i2chdmi: i2c-11 {
+	i2chdmi: i2c-mux1 {
 		compatible = "i2c-demux-pinctrl";
 		i2c-parent = <&i2c2>, <&gpioi2c2>;
 		i2c-bus-name = "i2c-hdmi";
@@ -368,6 +386,12 @@
 			interrupt-parent = <&gpio3>;
 			interrupts = <29 IRQ_TYPE_LEVEL_LOW>;
 
+			avdd-supply = <&reg_1p8v>;
+			dvdd-supply = <&reg_1p8v>;
+			pvdd-supply = <&reg_1p8v>;
+			dvdd-3v-supply = <&reg_3p3v>;
+			bgvdd-supply = <&reg_1p8v>;
+
 			adi,input-depth = <8>;
 			adi,input-colorspace = "rgb";
 			adi,input-clock = "1x";
@@ -430,7 +454,7 @@
 	 * I2C4 is routed to EXIO connector E, pins 37 (SCL) + 39 (SDA).
 	 * A fallback to GPIO is provided.
 	 */
-	i2cexio4: i2c-12 {
+	i2cexio4: i2c-mux2 {
 		compatible = "i2c-demux-pinctrl";
 		i2c-parent = <&i2c4>, <&gpioi2c4>;
 		i2c-bus-name = "i2c-exio4";
@@ -735,6 +759,7 @@
 		interrupt-parent = <&irqc0>;
 		interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
 		interrupt-controller;
+		#interrupt-cells = <2>;
 
 		rtc {
 			compatible = "dlg,da9063-rtc";
diff --git a/src/arm/renesas/r8a7794-alt.dts b/src/arm/renesas/r8a7794-alt.dts
index 08df031..b5ecafb 100644
--- a/src/arm/renesas/r8a7794-alt.dts
+++ b/src/arm/renesas/r8a7794-alt.dts
@@ -192,7 +192,7 @@
 	/*
 	 * A fallback to GPIO is provided for I2C1.
 	 */
-	i2chdmi: i2c-11 {
+	i2chdmi: i2c-mux1 {
 		compatible = "i2c-demux-pinctrl";
 		i2c-parent = <&i2c1>, <&gpioi2c1>;
 		i2c-bus-name = "i2c-hdmi";
@@ -222,7 +222,7 @@
 	 * I2C4 is routed to EXIO connector B, pins 73 (SCL) + 74 (SDA).
 	 * A fallback to GPIO is provided.
 	 */
-	i2cexio4: i2c-14 {
+	i2cexio4: i2c-mux2 {
 		compatible = "i2c-demux-pinctrl";
 		i2c-parent = <&i2c4>, <&gpioi2c4>;
 		i2c-bus-name = "i2c-exio4";
@@ -453,6 +453,7 @@
 		interrupt-parent = <&gpio3>;
 		interrupts = <31 IRQ_TYPE_LEVEL_LOW>;
 		interrupt-controller;
+		#interrupt-cells = <2>;
 
 		rtc {
 			compatible = "dlg,da9063-rtc";
diff --git a/src/arm/renesas/r8a7794-silk.dts b/src/arm/renesas/r8a7794-silk.dts
index b7af1be..595e074 100644
--- a/src/arm/renesas/r8a7794-silk.dts
+++ b/src/arm/renesas/r8a7794-silk.dts
@@ -102,6 +102,15 @@
 		};
 	};
 
+	d1_8v: regulator-d1-8v {
+		compatible = "regulator-fixed";
+		regulator-name = "D1.8V";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+
 	d3_3v: regulator-d3-3v {
 		compatible = "regulator-fixed";
 		regulator-name = "D3.3V";
@@ -225,7 +234,7 @@
 	/*
 	 * A fallback to GPIO is provided for I2C1.
 	 */
-	i2chdmi: i2c-10 {
+	i2chdmi: i2c-mux1 {
 		compatible = "i2c-demux-pinctrl";
 		i2c-parent = <&i2c1>, <&gpioi2c1>;
 		i2c-bus-name = "i2c-hdmi";
@@ -256,6 +265,12 @@
 			interrupt-parent = <&gpio5>;
 			interrupts = <23 IRQ_TYPE_LEVEL_LOW>;
 
+			avdd-supply = <&d1_8v>;
+			dvdd-supply = <&d1_8v>;
+			pvdd-supply = <&d1_8v>;
+			dvdd-3v-supply = <&d3_3v>;
+			bgvdd-supply = <&d1_8v>;
+
 			adi,input-depth = <8>;
 			adi,input-colorspace = "rgb";
 			adi,input-clock = "1x";
@@ -424,6 +439,7 @@
 		interrupt-parent = <&gpio3>;
 		interrupts = <31 IRQ_TYPE_LEVEL_LOW>;
 		interrupt-controller;
+		#interrupt-cells = <2>;
 
 		onkey {
 			compatible = "dlg,da9063-onkey";
diff --git a/src/arm/renesas/r9a06g032.dtsi b/src/arm/renesas/r9a06g032.dtsi
index 0fa565a..fa63e1a 100644
--- a/src/arm/renesas/r9a06g032.dtsi
+++ b/src/arm/renesas/r9a06g032.dtsi
@@ -437,7 +437,7 @@
 		};
 
 		can0: can@52104000 {
-			compatible = "renesas,r9a06g032-sja1000","renesas,rzn1-sja1000";
+			compatible = "renesas,r9a06g032-sja1000", "renesas,rzn1-sja1000";
 			reg = <0x52104000 0x800>;
 			reg-io-width = <4>;
 			interrupts = <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>;