Merge tag 'renesas-dts-for-v6.19-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into soc/dt

Renesas DTS updates for v6.19 (take two)

  - Add Imagination Technologies PowerVR Series 7XE GE7800 GPU support
    for the R-Car M3-N and V3U SoCs,
  - Add Ethernet support for the RZ/T2H and RZ/N2H SoCs and their
    evaluation boards,
  - Add ADC support for the RZ/N1D SoC,
  - Add thermal, NMI pushbutton, and RTC support for the RZ/V2H SoC and
    the RZ/V2H EVK development board,
  - Add USB2.0 support for the RZ/G3S SoC and the RZ/G3S SMARC Carrier
    II board.

* tag 'renesas-dts-for-v6.19-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel:
  arm64: dts: renesas: rzt2h-n2h-evk: Enable Ethernet support
  arm64: dts: renesas: r9a09g057h44-rzv2h-evk: Enable RTC
  arm64: dts: renesas: r9a09g057: Add RTC node
  arm64: dts: renesas: r9a09g057h44-rzv2h-evk: Add NMI pushbutton support
  arm64: dts: renesas: rzg3s-smarc: Enable USB support
  arm64: dts: renesas: r9a08g045: Add USB support
  arm64: dts: renesas: r9a09g057: Add TSU nodes
  ARM: dts: renesas: r9a06g032: Add the ADC device
  arm64: dts: renesas: r9a09g087: Add GMAC nodes
  arm64: dts: renesas: r9a09g077: Add GMAC nodes
  arm64: dts: renesas: r9a09g087: Add ETHSS node
  arm64: dts: renesas: r9a09g077: Add ETHSS node
  arm64: dts: renesas: r8a779a0: Add GE7800 GPU node
  arm64: dts: renesas: r8a77965: Add GE7800 GPU node
  dt-bindings: clock: r8a779a0: Add ZG core clock

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

13 files changed, 1512 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/renesas/r9a06g032.dtsi b/arch/arm/boot/dts/renesas/r9a06g032.dtsi
index 95e12b34f8ba..8debb77803bb 100644
--- a/arch/arm/boot/dts/renesas/r9a06g032.dtsi
+++ b/arch/arm/boot/dts/renesas/r9a06g032.dtsi
@@ -290,6 +290,16 @@
 			status = "disabled";
 		};
 
+		adc: adc@40065000 {
+			compatible = "renesas,r9a06g032-adc", "renesas,rzn1-adc";
+			reg = <0x40065000 0x200>;
+			clocks = <&sysctrl R9A06G032_HCLK_ADC>, <&sysctrl R9A06G032_CLK_ADC>;
+			clock-names = "pclk", "adc";
+			power-domains = <&sysctrl>;
+			#io-channel-cells = <1>;
+			status = "disabled";
+		};
+
 		pinctrl: pinctrl@40067000 {
 			compatible = "renesas,r9a06g032-pinctrl", "renesas,rzn1-pinctrl";
 			reg = <0x40067000 0x1000>, <0x51000000 0x480>;
diff --git a/arch/arm64/boot/dts/renesas/r8a77965.dtsi b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
index 0868b136883c..4e730144e5fd 100644
--- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
@@ -2450,6 +2450,23 @@
 			resets = <&cpg 408>;
 		};
 
+		gpu: gpu@fd000000 {
+			compatible = "renesas,r8a77965-gpu",
+				     "img,img-ge7800",
+				     "img,img-rogue";
+			reg = <0 0xfd000000 0 0x40000>;
+			interrupts = <GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_CORE R8A77965_CLK_ZG>,
+				 <&cpg CPG_CORE R8A77965_CLK_S2D1>,
+				 <&cpg CPG_MOD 112>;
+			clock-names = "core", "mem", "sys";
+			power-domains = <&sysc R8A77965_PD_3DG_A>,
+					<&sysc R8A77965_PD_3DG_B>;
+			power-domain-names = "a", "b";
+			resets = <&cpg 112>;
+			status = "disabled";
+		};
+
 		pciec0: pcie@fe000000 {
 			compatible = "renesas,pcie-r8a77965",
 				     "renesas,pcie-rcar-gen3";
diff --git a/arch/arm64/boot/dts/renesas/r8a779a0.dtsi b/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
index b08865841476..4b101a6dc49d 100644
--- a/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
@@ -2337,6 +2337,23 @@
 			interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
 		};
 
+		gpu: gpu@fd000000 {
+			compatible = "renesas,r8a779a0-gpu",
+				     "img,img-ge7800",
+				     "img,img-rogue";
+			reg = <0 0xfd000000 0 0x40000>;
+			interrupts = <GIC_SPI 223 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_CORE R8A779A0_CLK_ZG>,
+				 <&cpg CPG_CORE R8A779A0_CLK_S3D1>,
+				 <&cpg CPG_MOD 0>;
+			clock-names = "core", "mem", "sys";
+			power-domains = <&sysc R8A779A0_PD_3DG_A>,
+					<&sysc R8A779A0_PD_3DG_B>;
+			power-domain-names = "a", "b";
+			resets = <&cpg 0>;
+			status = "disabled";
+		};
+
 		fcpvd0: fcp@fea10000 {
 			compatible = "renesas,fcpv";
 			reg = <0 0xfea10000 0 0x200>;
diff --git a/arch/arm64/boot/dts/renesas/r9a08g045.dtsi b/arch/arm64/boot/dts/renesas/r9a08g045.dtsi
index dd9c9c33d9d6..876de634908e 100644
--- a/arch/arm64/boot/dts/renesas/r9a08g045.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a08g045.dtsi
@@ -727,6 +727,124 @@
 			status = "disabled";
 		};
 
+		phyrst: usbphy-ctrl@11e00000 {
+			compatible = "renesas,r9a08g045-usbphy-ctrl";
+			reg = <0 0x11e00000 0 0x10000>;
+			clocks = <&cpg CPG_MOD R9A08G045_USB_PCLK>;
+			resets = <&cpg R9A08G045_USB_PRESETN>;
+			power-domains = <&cpg>;
+			#reset-cells = <1>;
+			renesas,sysc-pwrrdy = <&sysc 0xd70 0x1>;
+			status = "disabled";
+
+			usb0_vbus_otg: regulator-vbus {
+				regulator-name = "vbus";
+			};
+		};
+
+		ohci0: usb@11e10000 {
+			compatible = "generic-ohci";
+			reg = <0 0x11e10000 0 0x100>;
+			interrupts = <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD R9A08G045_USB_PCLK>,
+				 <&cpg CPG_MOD R9A08G045_USB_U2H0_HCLK>;
+			resets = <&phyrst 0>,
+				 <&cpg R9A08G045_USB_U2H0_HRESETN>;
+			phys = <&usb2_phy0 1>;
+			phy-names = "usb";
+			power-domains = <&cpg>;
+			status = "disabled";
+		};
+
+		ohci1: usb@11e30000 {
+			compatible = "generic-ohci";
+			reg = <0 0x11e30000 0 0x100>;
+			interrupts = <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD R9A08G045_USB_PCLK>,
+				 <&cpg CPG_MOD R9A08G045_USB_U2H1_HCLK>;
+			resets = <&phyrst 1>,
+				 <&cpg R9A08G045_USB_U2H1_HRESETN>;
+			phys = <&usb2_phy1 1>;
+			phy-names = "usb";
+			power-domains = <&cpg>;
+			status = "disabled";
+		};
+
+		ehci0: usb@11e10100 {
+			compatible = "generic-ehci";
+			reg = <0 0x11e10100 0 0x100>;
+			interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD R9A08G045_USB_PCLK>,
+				 <&cpg CPG_MOD R9A08G045_USB_U2H0_HCLK>;
+			resets = <&phyrst 0>,
+				 <&cpg R9A08G045_USB_U2H0_HRESETN>;
+			phys = <&usb2_phy0 2>;
+			phy-names = "usb";
+			companion = <&ohci0>;
+			power-domains = <&cpg>;
+			status = "disabled";
+		};
+
+		ehci1: usb@11e30100 {
+			compatible = "generic-ehci";
+			reg = <0 0x11e30100 0 0x100>;
+			interrupts = <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD R9A08G045_USB_PCLK>,
+				 <&cpg CPG_MOD R9A08G045_USB_U2H1_HCLK>;
+			resets = <&phyrst 1>,
+				 <&cpg R9A08G045_USB_U2H1_HRESETN>;
+			phys = <&usb2_phy1 2>;
+			phy-names = "usb";
+			companion = <&ohci1>;
+			power-domains = <&cpg>;
+			status = "disabled";
+		};
+
+		usb2_phy0: usb-phy@11e10200 {
+			compatible = "renesas,usb2-phy-r9a08g045";
+			reg = <0 0x11e10200 0 0x700>;
+			interrupts = <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD R9A08G045_USB_PCLK>,
+				 <&cpg CPG_MOD R9A08G045_USB_U2H0_HCLK>;
+			resets = <&phyrst 0>,
+				 <&cpg R9A08G045_USB_U2H0_HRESETN>;
+			#phy-cells = <1>;
+			power-domains = <&cpg>;
+			status = "disabled";
+		};
+
+		usb2_phy1: usb-phy@11e30200 {
+			compatible = "renesas,usb2-phy-r9a08g045";
+			reg = <0 0x11e30200 0 0x700>;
+			interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD R9A08G045_USB_PCLK>,
+				 <&cpg CPG_MOD R9A08G045_USB_U2H1_HCLK>;
+			resets = <&phyrst 1>,
+				 <&cpg R9A08G045_USB_U2H1_HRESETN>;
+			#phy-cells = <1>;
+			power-domains = <&cpg>;
+			status = "disabled";
+		};
+
+		hsusb: usb@11e20000 {
+			compatible = "renesas,usbhs-r9a08g045",
+				     "renesas,rzg2l-usbhs";
+			reg = <0 0x11e20000 0 0x10000>;
+			interrupts = <GIC_SPI 85 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD R9A08G045_USB_PCLK>,
+				 <&cpg CPG_MOD R9A08G045_USB_U2P_EXR_CPUCLK>;
+			resets = <&phyrst 0>,
+				 <&cpg R9A08G045_USB_U2P_EXL_SYSRST>;
+			renesas,buswait = <7>;
+			phys = <&usb2_phy0 3>;
+			phy-names = "usb";
+			power-domains = <&cpg>;
+			status = "disabled";
+		};
+
 		gic: interrupt-controller@12400000 {
 			compatible = "arm,gic-v3";
 			#interrupt-cells = <3>;
diff --git a/arch/arm64/boot/dts/renesas/r9a09g057.dtsi b/arch/arm64/boot/dts/renesas/r9a09g057.dtsi
index 40b15f1db930..4df32d7e9998 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g057.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a09g057.dtsi
@@ -65,6 +65,7 @@
 			next-level-cache = <&L3_CA55>;
 			enable-method = "psci";
 			clocks = <&cpg CPG_CORE R9A09G057_CA55_0_CORE_CLK0>;
+			#cooling-cells = <2>;
 			operating-points-v2 = <&cluster0_opp>;
 		};
 
@@ -75,6 +76,7 @@
 			next-level-cache = <&L3_CA55>;
 			enable-method = "psci";
 			clocks = <&cpg CPG_CORE R9A09G057_CA55_0_CORE_CLK1>;
+			#cooling-cells = <2>;
 			operating-points-v2 = <&cluster0_opp>;
 		};
 
@@ -85,6 +87,7 @@
 			next-level-cache = <&L3_CA55>;
 			enable-method = "psci";
 			clocks = <&cpg CPG_CORE R9A09G057_CA55_0_CORE_CLK2>;
+			#cooling-cells = <2>;
 			operating-points-v2 = <&cluster0_opp>;
 		};
 
@@ -95,6 +98,7 @@
 			next-level-cache = <&L3_CA55>;
 			enable-method = "psci";
 			clocks = <&cpg CPG_CORE R9A09G057_CA55_0_CORE_CLK3>;
+			#cooling-cells = <2>;
 			operating-points-v2 = <&cluster0_opp>;
 		};
 
@@ -285,6 +289,32 @@
 			resets = <&cpg 0x30>;
 		};
 
+		tsu0: thermal@11000000 {
+			compatible = "renesas,r9a09g057-tsu", "renesas,r9a09g047-tsu";
+			reg = <0 0x11000000 0 0x1000>;
+			interrupts = <GIC_SPI 248 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 249 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "adi", "adcmpi";
+			clocks = <&cpg CPG_MOD 0x109>;
+			resets = <&cpg 0xf7>;
+			power-domains = <&cpg>;
+			#thermal-sensor-cells = <0>;
+			renesas,tsu-trim = <&sys 0x320>;
+		};
+
+		tsu1: thermal@14002000 {
+			compatible = "renesas,r9a09g057-tsu", "renesas,r9a09g047-tsu";
+			reg = <0 0x14002000 0 0x1000>;
+			interrupts = <GIC_SPI 250 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 251 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "adi", "adcmpi";
+			clocks = <&cpg CPG_MOD 0x10a>;
+			resets = <&cpg 0xf8>;
+			power-domains = <&cpg>;
+			#thermal-sensor-cells = <0>;
+			renesas,tsu-trim = <&sys 0x330>;
+		};
+
 		xspi: spi@11030000 {
 			compatible = "renesas,r9a09g057-xspi", "renesas,r9a09g047-xspi";
 			reg = <0 0x11030000 0 0x10000>,
@@ -591,6 +621,21 @@
 			status = "disabled";
 		};
 
+		rtc: rtc@11c00800 {
+			compatible = "renesas,r9a09g057-rtca3", "renesas,rz-rtca3";
+			reg = <0 0x11c00800 0 0x400>;
+			interrupts = <GIC_SPI 524 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 525 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 526 IRQ_TYPE_EDGE_RISING>;
+			interrupt-names = "alarm", "period", "carry";
+			clocks = <&cpg CPG_MOD 0x53>, <&rtxin_clk>;
+			clock-names = "bus", "counter";
+			power-domains = <&cpg>;
+			resets = <&cpg 0x79>, <&cpg 0x7a>;
+			reset-names = "rtc", "rtest";
+			status = "disabled";
+		};
+
 		scif: serial@11c01400 {
 			compatible = "renesas,scif-r9a09g057";
 			reg = <0 0x11c01400 0 0x400>;
@@ -1312,6 +1357,51 @@
 		snps,blen = <16 8 4 0 0 0 0>;
 	};
 
+	thermal-zones {
+		sensor1_thermal: sensor1-thermal {
+			polling-delay = <1000>;
+			polling-delay-passive = <250>;
+			thermal-sensors = <&tsu0>;
+
+			trips {
+				sensor1_crit: sensor1-crit {
+					temperature = <120000>;
+					hysteresis = <1000>;
+					type = "critical";
+				};
+			};
+		};
+
+		sensor2_thermal: sensor2-thermal {
+			polling-delay = <1000>;
+			polling-delay-passive = <250>;
+			thermal-sensors = <&tsu1>;
+
+			cooling-maps {
+				map0 {
+					trip = <&sensor2_target>;
+					cooling-device = <&cpu0 0 3>, <&cpu1 0 3>,
+							 <&cpu2 0 3>, <&cpu3 0 3>;
+					contribution = <1024>;
+				};
+			};
+
+			trips {
+				sensor2_target: trip-point {
+					temperature = <95000>;
+					hysteresis = <1000>;
+					type = "passive";
+				};
+
+				sensor2_crit: sensor2-crit {
+					temperature = <120000>;
+					hysteresis = <1000>;
+					type = "critical";
+				};
+			};
+		};
+	};
+
 	timer {
 		compatible = "arm,armv8-timer";
 		interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>,
diff --git a/arch/arm64/boot/dts/renesas/r9a09g057h44-rzv2h-evk.dts b/arch/arm64/boot/dts/renesas/r9a09g057h44-rzv2h-evk.dts
index 5c06bce3d5b4..445fce156f73 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g057h44-rzv2h-evk.dts
+++ b/arch/arm64/boot/dts/renesas/r9a09g057h44-rzv2h-evk.dts
@@ -9,6 +9,7 @@
 
 #include <dt-bindings/pinctrl/renesas,r9a09g057-pinctrl.h>
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
 #include "r9a09g057.dtsi"
 
 / {
@@ -34,6 +35,18 @@
 		stdout-path = "serial0:115200n8";
 	};
 
+	keys: keys {
+		compatible = "gpio-keys";
+
+		key-wakeup {
+			interrupts-extended = <&icu 0 IRQ_TYPE_EDGE_FALLING>;
+			linux,code = <KEY_WAKEUP>;
+			label = "NMI_SW";
+			debounce-interval = <20>;
+			wakeup-source;
+		};
+	};
+
 	memory@48000000 {
 		device_type = "memory";
 		/* first 128MB is reserved for secure area. */
@@ -388,6 +401,10 @@
 	clock-frequency = <24000000>;
 };
 
+&rtc {
+	status = "okay";
+};
+
 &rtxin_clk {
 	clock-frequency = <32768>;
 };
diff --git a/arch/arm64/boot/dts/renesas/r9a09g077.dtsi b/arch/arm64/boot/dts/renesas/r9a09g077.dtsi
index 2acca4bc1d3a..f5fa6ca06409 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g077.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a09g077.dtsi
@@ -270,6 +270,481 @@
 			status = "disabled";
 		};
 
+		gmac0: ethernet@80100000 {
+			compatible = "renesas,r9a09g077-gbeth", "snps,dwmac-5.20";
+			reg = <0 0x80100000 0 0x10000>;
+			interrupts = <GIC_SPI 498 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 500 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 499 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 509 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 510 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 511 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 512 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 513 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 514 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 515 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 516 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 501 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 502 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 503 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 504 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 505 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 506 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 507 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 508 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "macirq", "eth_wake_irq", "eth_lpi",
+					  "rx-queue-0", "rx-queue-1", "rx-queue-2",
+					  "rx-queue-3", "rx-queue-4", "rx-queue-5",
+					  "rx-queue-6", "rx-queue-7", "tx-queue-0",
+					  "tx-queue-1", "tx-queue-2", "tx-queue-3",
+					  "tx-queue-4", "tx-queue-5", "tx-queue-6",
+					  "tx-queue-7";
+			clocks = <&cpg CPG_MOD 400>,
+				 <&cpg CPG_CORE R9A09G077_CLK_PCLKH>,
+				 <&cpg CPG_CORE R9A09G077_ETCLKB>;
+			clock-names = "stmmaceth", "pclk", "tx";
+			resets = <&cpg 400>, <&cpg 401>;
+			reset-names = "stmmaceth", "ahb";
+			power-domains = <&cpg>;
+			snps,multicast-filter-bins = <256>;
+			snps,perfect-filter-entries = <32>;
+			rx-fifo-depth = <8192>;
+			tx-fifo-depth = <8192>;
+			snps,fixed-burst;
+			snps,no-pbl-x8;
+			snps,force_thresh_dma_mode;
+			snps,axi-config = <&stmmac_axi_setup>;
+			snps,mtl-rx-config = <&mtl_rx_setup0>;
+			snps,mtl-tx-config = <&mtl_tx_setup0>;
+			snps,txpbl = <16>;
+			snps,rxpbl = <16>;
+			status = "disabled";
+
+			mdio0: mdio {
+				compatible = "snps,dwmac-mdio";
+				#address-cells = <1>;
+				#size-cells = <0>;
+			};
+
+			mtl_rx_setup0: rx-queues-config {
+				snps,rx-queues-to-use = <8>;
+				snps,rx-sched-sp;
+
+				queue0 {
+					snps,dcb-algorithm;
+					snps,priority = <0x1>;
+					snps,map-to-dma-channel = <0>;
+				};
+
+				queue1 {
+					snps,dcb-algorithm;
+					snps,priority = <0x2>;
+					snps,map-to-dma-channel = <1>;
+				};
+
+				queue2 {
+					snps,dcb-algorithm;
+					snps,priority = <0x4>;
+					snps,map-to-dma-channel = <2>;
+				};
+
+				queue3 {
+					snps,dcb-algorithm;
+					snps,priority = <0x8>;
+					snps,map-to-dma-channel = <3>;
+				};
+
+				queue4 {
+					snps,dcb-algorithm;
+					snps,priority = <0x10>;
+					snps,map-to-dma-channel = <4>;
+				};
+
+				queue5 {
+					snps,dcb-algorithm;
+					snps,priority = <0x20>;
+					snps,map-to-dma-channel = <5>;
+				};
+
+				queue6 {
+					snps,dcb-algorithm;
+					snps,priority = <0x40>;
+					snps,map-to-dma-channel = <6>;
+				};
+
+				queue7 {
+					snps,dcb-algorithm;
+					snps,priority = <0x80>;
+					snps,map-to-dma-channel = <7>;
+				};
+			};
+
+			mtl_tx_setup0: tx-queues-config {
+				snps,tx-queues-to-use = <8>;
+
+				queue0 {
+					snps,dcb-algorithm;
+				};
+
+				queue1 {
+					snps,dcb-algorithm;
+				};
+
+				queue2 {
+					snps,dcb-algorithm;
+				};
+
+				queue3 {
+					snps,dcb-algorithm;
+				};
+
+				queue4 {
+					snps,dcb-algorithm;
+				};
+
+				queue5 {
+					snps,dcb-algorithm;
+				};
+
+				queue6 {
+					snps,dcb-algorithm;
+				};
+
+				queue7 {
+					snps,dcb-algorithm;
+				};
+			};
+		};
+
+		gmac1: ethernet@92000000 {
+			compatible = "renesas,r9a09g077-gbeth", "snps,dwmac-5.20";
+			reg = <0 0x92000000 0 0x10000>;
+			interrupts = <GIC_SPI 517 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 519 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 518 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 528 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 529 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 530 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 531 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 532 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 533 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 534 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 535 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 520 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 521 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 522 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 523 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 524 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 525 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 526 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 527 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "macirq", "eth_wake_irq", "eth_lpi",
+					  "rx-queue-0", "rx-queue-1", "rx-queue-2",
+					  "rx-queue-3", "rx-queue-4", "rx-queue-5",
+					  "rx-queue-6", "rx-queue-7", "tx-queue-0",
+					  "tx-queue-1", "tx-queue-2", "tx-queue-3",
+					  "tx-queue-4", "tx-queue-5", "tx-queue-6",
+					  "tx-queue-7";
+			clocks = <&cpg CPG_MOD 416>,
+				 <&cpg CPG_CORE R9A09G077_CLK_PCLKAH>,
+				 <&cpg CPG_CORE R9A09G077_ETCLKB>;
+			clock-names = "stmmaceth", "pclk", "tx";
+			resets = <&cpg 416>, <&cpg 417>;
+			reset-names = "stmmaceth", "ahb";
+			power-domains = <&cpg>;
+			snps,multicast-filter-bins = <256>;
+			snps,perfect-filter-entries = <32>;
+			rx-fifo-depth = <8192>;
+			tx-fifo-depth = <8192>;
+			snps,fixed-burst;
+			snps,no-pbl-x8;
+			snps,force_thresh_dma_mode;
+			snps,axi-config = <&stmmac_axi_setup>;
+			snps,mtl-rx-config = <&mtl_rx_setup1>;
+			snps,mtl-tx-config = <&mtl_tx_setup1>;
+			snps,txpbl = <16>;
+			snps,rxpbl = <16>;
+			status = "disabled";
+
+			mdio1: mdio {
+				compatible = "snps,dwmac-mdio";
+				#address-cells = <1>;
+				#size-cells = <0>;
+			};
+
+			mtl_rx_setup1: rx-queues-config {
+				snps,rx-queues-to-use = <8>;
+				snps,rx-sched-sp;
+
+				queue0 {
+					snps,dcb-algorithm;
+					snps,priority = <0x1>;
+					snps,map-to-dma-channel = <0>;
+				};
+
+				queue1 {
+					snps,dcb-algorithm;
+					snps,priority = <0x2>;
+					snps,map-to-dma-channel = <1>;
+				};
+
+				queue2 {
+					snps,dcb-algorithm;
+					snps,priority = <0x4>;
+					snps,map-to-dma-channel = <2>;
+				};
+
+				queue3 {
+					snps,dcb-algorithm;
+					snps,priority = <0x8>;
+					snps,map-to-dma-channel = <3>;
+				};
+
+				queue4 {
+					snps,dcb-algorithm;
+					snps,priority = <0x10>;
+					snps,map-to-dma-channel = <4>;
+				};
+
+				queue5 {
+					snps,dcb-algorithm;
+					snps,priority = <0x20>;
+					snps,map-to-dma-channel = <5>;
+				};
+
+				queue6 {
+					snps,dcb-algorithm;
+					snps,priority = <0x40>;
+					snps,map-to-dma-channel = <6>;
+				};
+
+				queue7 {
+					snps,dcb-algorithm;
+					snps,priority = <0x80>;
+					snps,map-to-dma-channel = <7>;
+				};
+			};
+
+			mtl_tx_setup1: tx-queues-config {
+				snps,tx-queues-to-use = <8>;
+
+				queue0 {
+					snps,dcb-algorithm;
+				};
+
+				queue1 {
+					snps,dcb-algorithm;
+				};
+
+				queue2 {
+					snps,dcb-algorithm;
+				};
+
+				queue3 {
+					snps,dcb-algorithm;
+				};
+
+				queue4 {
+					snps,dcb-algorithm;
+				};
+
+				queue5 {
+					snps,dcb-algorithm;
+				};
+
+				queue6 {
+					snps,dcb-algorithm;
+				};
+
+				queue7 {
+					snps,dcb-algorithm;
+				};
+			};
+		};
+
+		gmac2: ethernet@92010000 {
+			compatible = "renesas,r9a09g077-gbeth", "snps,dwmac-5.20";
+			reg = <0 0x92010000 0 0x10000>;
+			interrupts = <GIC_SPI 536 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 538 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 537 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 547 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 548 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 549 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 550 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 551 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 552 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 553 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 554 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 539 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 540 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 541 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 542 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 543 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 544 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 545 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 546 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "macirq", "eth_wake_irq", "eth_lpi",
+					  "rx-queue-0", "rx-queue-1", "rx-queue-2",
+					  "rx-queue-3", "rx-queue-4", "rx-queue-5",
+					  "rx-queue-6", "rx-queue-7", "tx-queue-0",
+					  "tx-queue-1", "tx-queue-2", "tx-queue-3",
+					  "tx-queue-4", "tx-queue-5", "tx-queue-6",
+					  "tx-queue-7";
+			clocks = <&cpg CPG_MOD 417>,
+				 <&cpg CPG_CORE R9A09G077_CLK_PCLKAH>,
+				 <&cpg CPG_CORE R9A09G077_ETCLKB>;
+			clock-names = "stmmaceth", "pclk", "tx";
+			resets = <&cpg 418>, <&cpg 419>;
+			reset-names = "stmmaceth", "ahb";
+			power-domains = <&cpg>;
+			snps,multicast-filter-bins = <256>;
+			snps,perfect-filter-entries = <32>;
+			rx-fifo-depth = <8192>;
+			tx-fifo-depth = <8192>;
+			snps,fixed-burst;
+			snps,no-pbl-x8;
+			snps,force_thresh_dma_mode;
+			snps,axi-config = <&stmmac_axi_setup>;
+			snps,mtl-rx-config = <&mtl_rx_setup2>;
+			snps,mtl-tx-config = <&mtl_tx_setup2>;
+			snps,txpbl = <16>;
+			snps,rxpbl = <16>;
+			status = "disabled";
+
+			mdio2: mdio {
+				compatible = "snps,dwmac-mdio";
+				#address-cells = <1>;
+				#size-cells = <0>;
+			};
+
+			mtl_rx_setup2: rx-queues-config {
+				snps,rx-queues-to-use = <8>;
+				snps,rx-sched-sp;
+
+				queue0 {
+					snps,dcb-algorithm;
+					snps,priority = <0x1>;
+					snps,map-to-dma-channel = <0>;
+				};
+
+				queue1 {
+					snps,dcb-algorithm;
+					snps,priority = <0x2>;
+					snps,map-to-dma-channel = <1>;
+				};
+
+				queue2 {
+					snps,dcb-algorithm;
+					snps,priority = <0x4>;
+					snps,map-to-dma-channel = <2>;
+				};
+
+				queue3 {
+					snps,dcb-algorithm;
+					snps,priority = <0x8>;
+					snps,map-to-dma-channel = <3>;
+				};
+
+				queue4 {
+					snps,dcb-algorithm;
+					snps,priority = <0x10>;
+					snps,map-to-dma-channel = <4>;
+				};
+
+				queue5 {
+					snps,dcb-algorithm;
+					snps,priority = <0x20>;
+					snps,map-to-dma-channel = <5>;
+				};
+
+				queue6 {
+					snps,dcb-algorithm;
+					snps,priority = <0x40>;
+					snps,map-to-dma-channel = <6>;
+				};
+
+				queue7 {
+					snps,dcb-algorithm;
+					snps,priority = <0x80>;
+					snps,map-to-dma-channel = <7>;
+				};
+			};
+
+			mtl_tx_setup2: tx-queues-config {
+				snps,tx-queues-to-use = <8>;
+
+				queue0 {
+					snps,dcb-algorithm;
+				};
+
+				queue1 {
+					snps,dcb-algorithm;
+				};
+
+				queue2 {
+					snps,dcb-algorithm;
+				};
+
+				queue3 {
+					snps,dcb-algorithm;
+				};
+
+				queue4 {
+					snps,dcb-algorithm;
+				};
+
+				queue5 {
+					snps,dcb-algorithm;
+				};
+
+				queue6 {
+					snps,dcb-algorithm;
+				};
+
+				queue7 {
+					snps,dcb-algorithm;
+				};
+			};
+		};
+
+		ethss: ethss@80110000 {
+			compatible = "renesas,r9a09g077-miic";
+			reg =  <0 0x80110000 0 0x10000>;
+			clocks = <&cpg CPG_CORE R9A09G077_ETCLKE>,
+				 <&cpg CPG_CORE R9A09G077_ETCLKB>,
+				 <&cpg CPG_CORE R9A09G077_ETCLKD>,
+				 <&cpg CPG_MOD 403>;
+			clock-names = "mii_ref", "rgmii_ref", "rmii_ref", "hclk";
+			resets = <&cpg 405>, <&cpg 406>;
+			reset-names = "rst", "crst";
+			power-domains = <&cpg>;
+			status = "disabled";
+
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			mii_conv0: mii-conv@0 {
+				reg = <0>;
+				status = "disabled";
+			};
+
+			mii_conv1: mii-conv@1 {
+				reg = <1>;
+				status = "disabled";
+			};
+
+			mii_conv2: mii-conv@2 {
+				reg = <2>;
+				status = "disabled";
+			};
+
+			mii_conv3: mii-conv@3 {
+				reg = <3>;
+				status = "disabled";
+			};
+		};
+
 		cpg: clock-controller@80280000 {
 			compatible = "renesas,r9a09g077-cpg-mssr";
 			reg = <0 0x80280000 0 0x1000>,
@@ -458,6 +933,13 @@
 		};
 	};
 
+	stmmac_axi_setup: stmmac-axi-config {
+		snps,lpi_en;
+		snps,wr_osr_lmt = <0xf>;
+		snps,rd_osr_lmt = <0xf>;
+		snps,blen = <16 8 4 0 0 0 0>;
+	};
+
 	timer {
 		compatible = "arm,armv8-timer";
 		interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>,
diff --git a/arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts b/arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts
index 799c58afd6fe..b7706d0bc3aa 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts
+++ b/arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts
@@ -149,8 +149,78 @@
 	status = "okay";
 };
 
+&mdio1_phy {
+	reset-gpios = <&pinctrl RZT2H_GPIO(32, 3) GPIO_ACTIVE_LOW>;
+};
+
+&mdio2_phy {
+	/*
+	 * PHY2 Reset Configuration:
+	 *
+	 * SW6[1] OFF; SW6[2] ON; SW6[3] OFF - use pin P17_5 for GMAC_RESETOUT2#
+	 */
+	reset-gpios = <&pinctrl RZT2H_GPIO(17, 5) GPIO_ACTIVE_LOW>;
+};
+
 &pinctrl {
 	/*
+	 * GMAC2 Pin Configuration:
+	 *
+	 * SW2[6] OFF - connect MDC/MDIO of Ethernet port 2 to GMAC2
+	 * SW2[7] ON - use pins P29_1-P29_7, P30_0-P30_4, and P31_2-P31_5
+	 * for Ethernet port 2
+	 */
+	gmac2_pins: gmac2-pins {
+		pinmux = <RZT2H_PORT_PINMUX(29, 1, 0xf)>, /* ETH2_TXCLK */
+			 <RZT2H_PORT_PINMUX(29, 2, 0xf)>, /* ETH2_TXD0 */
+			 <RZT2H_PORT_PINMUX(29, 3, 0xf)>, /* ETH2_TXD1 */
+			 <RZT2H_PORT_PINMUX(29, 4, 0xf)>, /* ETH2_TXD2 */
+			 <RZT2H_PORT_PINMUX(29, 5, 0xf)>, /* ETH2_TXD3 */
+			 <RZT2H_PORT_PINMUX(29, 6, 0xf)>, /* ETH2_TXEN */
+			 <RZT2H_PORT_PINMUX(29, 7, 0xf)>, /* ETH2_RXCLK */
+			 <RZT2H_PORT_PINMUX(30, 0, 0xf)>, /* ETH2_RXD0 */
+			 <RZT2H_PORT_PINMUX(30, 1, 0xf)>, /* ETH2_RXD1 */
+			 <RZT2H_PORT_PINMUX(30, 2, 0xf)>, /* ETH2_RXD2 */
+			 <RZT2H_PORT_PINMUX(30, 3, 0xf)>, /* ETH2_RXD3 */
+			 <RZT2H_PORT_PINMUX(30, 4, 0xf)>, /* ETH2_RXDV */
+			 <RZT2H_PORT_PINMUX(31, 2, 0xf)>, /* ETH2_TXER */
+			 <RZT2H_PORT_PINMUX(31, 3, 0xf)>, /* ETH2_RXER */
+			 <RZT2H_PORT_PINMUX(31, 4, 0xf)>, /* ETH2_CRS */
+			 <RZT2H_PORT_PINMUX(31, 5, 0xf)>, /* ETH2_COL */
+			 <RZT2H_PORT_PINMUX(30, 5, 0x10)>, /* GMAC2_MDC */
+			 <RZT2H_PORT_PINMUX(30, 6, 0x10)>, /* GMAC2_MDIO */
+			 <RZT2H_PORT_PINMUX(31, 0, 0x2)>; /* ETH2_REFCLK */
+	};
+
+	/*
+	 * GMAC1 Pin Configuration:
+	 *
+	 * SW2[8] ON - use pins P33_2-P33_7, P34_0-P34_5, P34_7 and
+	 * P35_0-P35_2 for Ethernet port 3
+	 */
+	gmac1_pins: gmac1-pins {
+		pinmux = <RZT2H_PORT_PINMUX(33, 2, 0xf)>, /* ETH3_TXCLK */
+			 <RZT2H_PORT_PINMUX(33, 3, 0xf)>, /* ETH3_TXD0 */
+			 <RZT2H_PORT_PINMUX(33, 4, 0xf)>, /* ETH3_TXD1 */
+			 <RZT2H_PORT_PINMUX(33, 5, 0xf)>, /* ETH3_TXD2 */
+			 <RZT2H_PORT_PINMUX(33, 6, 0xf)>, /* ETH3_TXD3 */
+			 <RZT2H_PORT_PINMUX(33, 7, 0xf)>, /* ETH3_TXEN */
+			 <RZT2H_PORT_PINMUX(34, 0, 0xf)>, /* ETH3_RXCLK */
+			 <RZT2H_PORT_PINMUX(34, 1, 0xf)>, /* ETH3_RXD0 */
+			 <RZT2H_PORT_PINMUX(34, 2, 0xf)>, /* ETH3_RXD1 */
+			 <RZT2H_PORT_PINMUX(34, 3, 0xf)>, /* ETH3_RXD2 */
+			 <RZT2H_PORT_PINMUX(34, 4, 0xf)>, /* ETH3_RXD3 */
+			 <RZT2H_PORT_PINMUX(34, 5, 0xf)>, /* ETH3_RXDV */
+			 <RZT2H_PORT_PINMUX(34, 7, 0xf)>, /* ETH3_TXER */
+			 <RZT2H_PORT_PINMUX(35, 0, 0xf)>, /* ETH3_RXER */
+			 <RZT2H_PORT_PINMUX(35, 1, 0xf)>, /* ETH3_CRS */
+			 <RZT2H_PORT_PINMUX(35, 2, 0xf)>, /* ETH3_COL */
+			 <RZT2H_PORT_PINMUX(26, 1, 0x10)>, /* GMAC1_MDC */
+			 <RZT2H_PORT_PINMUX(26, 2, 0x10)>, /* GMAC1_MDIO */
+			 <RZT2H_PORT_PINMUX(34, 6, 0x2)>; /* ETH3_REFCLK */
+	};
+
+	/*
 	 * I2C0 Pin Configuration:
 	 * ------------------------
 	 * Signal | Pin     | SW6
diff --git a/arch/arm64/boot/dts/renesas/r9a09g087.dtsi b/arch/arm64/boot/dts/renesas/r9a09g087.dtsi
index 3ece794fb0a7..361a9235f00d 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g087.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a09g087.dtsi
@@ -270,6 +270,484 @@
 			status = "disabled";
 		};
 
+		gmac0: ethernet@80100000 {
+			compatible = "renesas,r9a09g087-gbeth", "renesas,r9a09g077-gbeth",
+				     "snps,dwmac-5.20";
+			reg = <0 0x80100000 0 0x10000>;
+			interrupts = <GIC_SPI 498 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 500 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 499 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 509 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 510 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 511 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 512 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 513 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 514 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 515 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 516 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 501 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 502 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 503 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 504 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 505 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 506 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 507 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 508 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "macirq", "eth_wake_irq", "eth_lpi",
+					  "rx-queue-0", "rx-queue-1", "rx-queue-2",
+					  "rx-queue-3", "rx-queue-4", "rx-queue-5",
+					  "rx-queue-6", "rx-queue-7", "tx-queue-0",
+					  "tx-queue-1", "tx-queue-2", "tx-queue-3",
+					  "tx-queue-4", "tx-queue-5", "tx-queue-6",
+					  "tx-queue-7";
+			clocks = <&cpg CPG_MOD 400>,
+				 <&cpg CPG_CORE R9A09G087_CLK_PCLKH>,
+				 <&cpg CPG_CORE R9A09G087_ETCLKB>;
+			clock-names = "stmmaceth", "pclk", "tx";
+			resets = <&cpg 400>, <&cpg 401>;
+			reset-names = "stmmaceth", "ahb";
+			power-domains = <&cpg>;
+			snps,multicast-filter-bins = <256>;
+			snps,perfect-filter-entries = <32>;
+			rx-fifo-depth = <8192>;
+			tx-fifo-depth = <8192>;
+			snps,fixed-burst;
+			snps,no-pbl-x8;
+			snps,force_thresh_dma_mode;
+			snps,axi-config = <&stmmac_axi_setup>;
+			snps,mtl-rx-config = <&mtl_rx_setup0>;
+			snps,mtl-tx-config = <&mtl_tx_setup0>;
+			snps,txpbl = <16>;
+			snps,rxpbl = <16>;
+			status = "disabled";
+
+			mdio0: mdio {
+				compatible = "snps,dwmac-mdio";
+				#address-cells = <1>;
+				#size-cells = <0>;
+			};
+
+			mtl_rx_setup0: rx-queues-config {
+				snps,rx-queues-to-use = <8>;
+				snps,rx-sched-sp;
+
+				queue0 {
+					snps,dcb-algorithm;
+					snps,priority = <0x1>;
+					snps,map-to-dma-channel = <0>;
+				};
+
+				queue1 {
+					snps,dcb-algorithm;
+					snps,priority = <0x2>;
+					snps,map-to-dma-channel = <1>;
+				};
+
+				queue2 {
+					snps,dcb-algorithm;
+					snps,priority = <0x4>;
+					snps,map-to-dma-channel = <2>;
+				};
+
+				queue3 {
+					snps,dcb-algorithm;
+					snps,priority = <0x8>;
+					snps,map-to-dma-channel = <3>;
+				};
+
+				queue4 {
+					snps,dcb-algorithm;
+					snps,priority = <0x10>;
+					snps,map-to-dma-channel = <4>;
+				};
+
+				queue5 {
+					snps,dcb-algorithm;
+					snps,priority = <0x20>;
+					snps,map-to-dma-channel = <5>;
+				};
+
+				queue6 {
+					snps,dcb-algorithm;
+					snps,priority = <0x40>;
+					snps,map-to-dma-channel = <6>;
+				};
+
+				queue7 {
+					snps,dcb-algorithm;
+					snps,priority = <0x80>;
+					snps,map-to-dma-channel = <7>;
+				};
+			};
+
+			mtl_tx_setup0: tx-queues-config {
+				snps,tx-queues-to-use = <8>;
+
+				queue0 {
+					snps,dcb-algorithm;
+				};
+
+				queue1 {
+					snps,dcb-algorithm;
+				};
+
+				queue2 {
+					snps,dcb-algorithm;
+				};
+
+				queue3 {
+					snps,dcb-algorithm;
+				};
+
+				queue4 {
+					snps,dcb-algorithm;
+				};
+
+				queue5 {
+					snps,dcb-algorithm;
+				};
+
+				queue6 {
+					snps,dcb-algorithm;
+				};
+
+				queue7 {
+					snps,dcb-algorithm;
+				};
+			};
+		};
+
+		gmac1: ethernet@92000000 {
+			compatible = "renesas,r9a09g087-gbeth", "renesas,r9a09g077-gbeth",
+				     "snps,dwmac-5.20";
+			reg = <0 0x92000000 0 0x10000>;
+			interrupts = <GIC_SPI 517 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 519 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 518 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 528 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 529 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 530 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 531 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 532 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 533 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 534 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 535 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 520 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 521 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 522 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 523 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 524 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 525 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 526 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 527 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "macirq", "eth_wake_irq", "eth_lpi",
+					  "rx-queue-0", "rx-queue-1", "rx-queue-2",
+					  "rx-queue-3", "rx-queue-4", "rx-queue-5",
+					  "rx-queue-6", "rx-queue-7", "tx-queue-0",
+					  "tx-queue-1", "tx-queue-2", "tx-queue-3",
+					  "tx-queue-4", "tx-queue-5", "tx-queue-6",
+					  "tx-queue-7";
+			clocks = <&cpg CPG_MOD 416>,
+				 <&cpg CPG_CORE R9A09G087_CLK_PCLKAH>,
+				 <&cpg CPG_CORE R9A09G087_ETCLKB>;
+			clock-names = "stmmaceth", "pclk", "tx";
+			resets = <&cpg 416>, <&cpg 417>;
+			reset-names = "stmmaceth", "ahb";
+			power-domains = <&cpg>;
+			snps,multicast-filter-bins = <256>;
+			snps,perfect-filter-entries = <32>;
+			rx-fifo-depth = <8192>;
+			tx-fifo-depth = <8192>;
+			snps,fixed-burst;
+			snps,no-pbl-x8;
+			snps,force_thresh_dma_mode;
+			snps,axi-config = <&stmmac_axi_setup>;
+			snps,mtl-rx-config = <&mtl_rx_setup1>;
+			snps,mtl-tx-config = <&mtl_tx_setup1>;
+			snps,txpbl = <16>;
+			snps,rxpbl = <16>;
+			status = "disabled";
+
+			mdio1: mdio {
+				compatible = "snps,dwmac-mdio";
+				#address-cells = <1>;
+				#size-cells = <0>;
+			};
+
+			mtl_rx_setup1: rx-queues-config {
+				snps,rx-queues-to-use = <8>;
+				snps,rx-sched-sp;
+
+				queue0 {
+					snps,dcb-algorithm;
+					snps,priority = <0x1>;
+					snps,map-to-dma-channel = <0>;
+				};
+
+				queue1 {
+					snps,dcb-algorithm;
+					snps,priority = <0x2>;
+					snps,map-to-dma-channel = <1>;
+				};
+
+				queue2 {
+					snps,dcb-algorithm;
+					snps,priority = <0x4>;
+					snps,map-to-dma-channel = <2>;
+				};
+
+				queue3 {
+					snps,dcb-algorithm;
+					snps,priority = <0x8>;
+					snps,map-to-dma-channel = <3>;
+				};
+
+				queue4 {
+					snps,dcb-algorithm;
+					snps,priority = <0x10>;
+					snps,map-to-dma-channel = <4>;
+				};
+
+				queue5 {
+					snps,dcb-algorithm;
+					snps,priority = <0x20>;
+					snps,map-to-dma-channel = <5>;
+				};
+
+				queue6 {
+					snps,dcb-algorithm;
+					snps,priority = <0x40>;
+					snps,map-to-dma-channel = <6>;
+				};
+
+				queue7 {
+					snps,dcb-algorithm;
+					snps,priority = <0x80>;
+					snps,map-to-dma-channel = <7>;
+				};
+			};
+
+			mtl_tx_setup1: tx-queues-config {
+				snps,tx-queues-to-use = <8>;
+
+				queue0 {
+					snps,dcb-algorithm;
+				};
+
+				queue1 {
+					snps,dcb-algorithm;
+				};
+
+				queue2 {
+					snps,dcb-algorithm;
+				};
+
+				queue3 {
+					snps,dcb-algorithm;
+				};
+
+				queue4 {
+					snps,dcb-algorithm;
+				};
+
+				queue5 {
+					snps,dcb-algorithm;
+				};
+
+				queue6 {
+					snps,dcb-algorithm;
+				};
+
+				queue7 {
+					snps,dcb-algorithm;
+				};
+			};
+		};
+
+		gmac2: ethernet@92010000 {
+			compatible = "renesas,r9a09g087-gbeth", "renesas,r9a09g077-gbeth",
+				     "snps,dwmac-5.20";
+			reg = <0 0x92010000 0 0x10000>;
+			interrupts = <GIC_SPI 536 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 538 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 537 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 547 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 548 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 549 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 550 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 551 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 552 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 553 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 554 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 539 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 540 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 541 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 542 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 543 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 544 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 545 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 546 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "macirq", "eth_wake_irq", "eth_lpi",
+					  "rx-queue-0", "rx-queue-1", "rx-queue-2",
+					  "rx-queue-3", "rx-queue-4", "rx-queue-5",
+					  "rx-queue-6", "rx-queue-7", "tx-queue-0",
+					  "tx-queue-1", "tx-queue-2", "tx-queue-3",
+					  "tx-queue-4", "tx-queue-5", "tx-queue-6",
+					  "tx-queue-7";
+			clocks = <&cpg CPG_MOD 417>,
+				 <&cpg CPG_CORE R9A09G087_CLK_PCLKAH>,
+				 <&cpg CPG_CORE R9A09G087_ETCLKB>;
+			clock-names = "stmmaceth", "pclk", "tx";
+			resets = <&cpg 418>, <&cpg 419>;
+			reset-names = "stmmaceth", "ahb";
+			power-domains = <&cpg>;
+			snps,multicast-filter-bins = <256>;
+			snps,perfect-filter-entries = <32>;
+			rx-fifo-depth = <8192>;
+			tx-fifo-depth = <8192>;
+			snps,fixed-burst;
+			snps,no-pbl-x8;
+			snps,force_thresh_dma_mode;
+			snps,axi-config = <&stmmac_axi_setup>;
+			snps,mtl-rx-config = <&mtl_rx_setup2>;
+			snps,mtl-tx-config = <&mtl_tx_setup2>;
+			snps,txpbl = <16>;
+			snps,rxpbl = <16>;
+			status = "disabled";
+
+			mdio2: mdio {
+				compatible = "snps,dwmac-mdio";
+				#address-cells = <1>;
+				#size-cells = <0>;
+			};
+
+			mtl_rx_setup2: rx-queues-config {
+				snps,rx-queues-to-use = <8>;
+				snps,rx-sched-sp;
+
+				queue0 {
+					snps,dcb-algorithm;
+					snps,priority = <0x1>;
+					snps,map-to-dma-channel = <0>;
+				};
+
+				queue1 {
+					snps,dcb-algorithm;
+					snps,priority = <0x2>;
+					snps,map-to-dma-channel = <1>;
+				};
+
+				queue2 {
+					snps,dcb-algorithm;
+					snps,priority = <0x4>;
+					snps,map-to-dma-channel = <2>;
+				};
+
+				queue3 {
+					snps,dcb-algorithm;
+					snps,priority = <0x8>;
+					snps,map-to-dma-channel = <3>;
+				};
+
+				queue4 {
+					snps,dcb-algorithm;
+					snps,priority = <0x10>;
+					snps,map-to-dma-channel = <4>;
+				};
+
+				queue5 {
+					snps,dcb-algorithm;
+					snps,priority = <0x20>;
+					snps,map-to-dma-channel = <5>;
+				};
+
+				queue6 {
+					snps,dcb-algorithm;
+					snps,priority = <0x40>;
+					snps,map-to-dma-channel = <6>;
+				};
+
+				queue7 {
+					snps,dcb-algorithm;
+					snps,priority = <0x80>;
+					snps,map-to-dma-channel = <7>;
+				};
+			};
+
+			mtl_tx_setup2: tx-queues-config {
+				snps,tx-queues-to-use = <8>;
+
+				queue0 {
+					snps,dcb-algorithm;
+				};
+
+				queue1 {
+					snps,dcb-algorithm;
+				};
+
+				queue2 {
+					snps,dcb-algorithm;
+				};
+
+				queue3 {
+					snps,dcb-algorithm;
+				};
+
+				queue4 {
+					snps,dcb-algorithm;
+				};
+
+				queue5 {
+					snps,dcb-algorithm;
+				};
+
+				queue6 {
+					snps,dcb-algorithm;
+				};
+
+				queue7 {
+					snps,dcb-algorithm;
+				};
+			};
+		};
+
+		ethss: ethss@80110000 {
+			compatible = "renesas,r9a09g087-miic", "renesas,r9a09g077-miic";
+			reg =  <0 0x80110000 0 0x10000>;
+			clocks = <&cpg CPG_CORE R9A09G087_ETCLKE>,
+				 <&cpg CPG_CORE R9A09G087_ETCLKB>,
+				 <&cpg CPG_CORE R9A09G087_ETCLKD>,
+				 <&cpg CPG_MOD 403>;
+			clock-names = "mii_ref", "rgmii_ref", "rmii_ref", "hclk";
+			resets = <&cpg 405>, <&cpg 406>;
+			reset-names = "rst", "crst";
+			power-domains = <&cpg>;
+			status = "disabled";
+
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			mii_conv0: mii-conv@0 {
+				reg = <0>;
+				status = "disabled";
+			};
+
+			mii_conv1: mii-conv@1 {
+				reg = <1>;
+				status = "disabled";
+			};
+
+			mii_conv2: mii-conv@2 {
+				reg = <2>;
+				status = "disabled";
+			};
+
+			mii_conv3: mii-conv@3 {
+				reg = <3>;
+				status = "disabled";
+			};
+		};
+
 		cpg: clock-controller@80280000 {
 			compatible = "renesas,r9a09g087-cpg-mssr";
 			reg = <0 0x80280000 0 0x1000>,
@@ -458,6 +936,13 @@
 		};
 	};
 
+	stmmac_axi_setup: stmmac-axi-config {
+		snps,lpi_en;
+		snps,wr_osr_lmt = <0xf>;
+		snps,rd_osr_lmt = <0xf>;
+		snps,blen = <16 8 4 0 0 0 0>;
+	};
+
 	timer {
 		compatible = "arm,armv8-timer";
 		interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>,
diff --git a/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts b/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts
index d698b6368ee7..17c0c79fbd96 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts
+++ b/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts
@@ -186,8 +186,86 @@
 	status = "okay";
 };
 
+&mdio1_phy {
+	/*
+	 * PHY3 Reset Configuration:
+	 *
+	 * DSW12[5] OFF; DSW12[6] ON - use pin P03_2 for GMAC_RESETOUT3#
+	 */
+	reset-gpios = <&pinctrl RZT2H_GPIO(3, 2) GPIO_ACTIVE_LOW>;
+};
+
+&mdio2_phy {
+	/*
+	 * PHY2 Reset Configuration:
+	 *
+	 * DSW8[1] ON; DSW8[2] OFF; DSW12[7] OFF; DSW12[8] ON - use pin
+	 * P03_1 for GMAC_RESETOUT2#
+	 */
+	reset-gpios = <&pinctrl RZT2H_GPIO(3, 1) GPIO_ACTIVE_LOW>;
+};
+
 &pinctrl {
 	/*
+	 * GMAC2 Pin Configuration:
+	 *
+	 * DSW5[6] OFF - connect MDC/MDIO of Ethernet port 2 to GMAC2
+	 * DSW5[7] ON - use pins P29_1-P29_7, P30_0-P30_4, P30_7,
+	 * P31_2, P31_4 and P31_5 are used for Ethernet port 2
+	 */
+	gmac2_pins: gmac2-pins {
+		pinmux = <RZT2H_PORT_PINMUX(29, 1, 0xf)>, /* ETH2_TXCLK */
+			 <RZT2H_PORT_PINMUX(29, 2, 0xf)>, /* ETH2_TXD0 */
+			 <RZT2H_PORT_PINMUX(29, 3, 0xf)>, /* ETH2_TXD1 */
+			 <RZT2H_PORT_PINMUX(29, 4, 0xf)>, /* ETH2_TXD2 */
+			 <RZT2H_PORT_PINMUX(29, 5, 0xf)>, /* ETH2_TXD3 */
+			 <RZT2H_PORT_PINMUX(29, 6, 0xf)>, /* ETH2_TXEN */
+			 <RZT2H_PORT_PINMUX(29, 7, 0xf)>, /* ETH2_RXCLK */
+			 <RZT2H_PORT_PINMUX(30, 0, 0xf)>, /* ETH2_RXD0 */
+			 <RZT2H_PORT_PINMUX(30, 1, 0xf)>, /* ETH2_RXD1 */
+			 <RZT2H_PORT_PINMUX(30, 2, 0xf)>, /* ETH2_RXD2 */
+			 <RZT2H_PORT_PINMUX(30, 3, 0xf)>, /* ETH2_RXD3 */
+			 <RZT2H_PORT_PINMUX(30, 4, 0xf)>, /* ETH2_RXDV */
+			 <RZT2H_PORT_PINMUX(31, 2, 0xf)>, /* ETH2_TXER */
+			 <RZT2H_PORT_PINMUX(31, 1, 0xf)>, /* ETH2_RXER */
+			 <RZT2H_PORT_PINMUX(31, 4, 0xf)>, /* ETH2_CRS */
+			 <RZT2H_PORT_PINMUX(31, 5, 0xf)>, /* ETH2_COL */
+			 <RZT2H_PORT_PINMUX(30, 5, 0x10)>, /* GMAC2_MDC */
+			 <RZT2H_PORT_PINMUX(30, 6, 0x10)>, /* GMAC2_MDIO */
+			 <RZT2H_PORT_PINMUX(31, 0, 0x2)>; /* ETH2_REFCLK */
+
+	};
+
+	/*
+	 * GMAC2 Pin Configuration:
+	 *
+	 * DSW5[8] ON - use pins P00_0-P00_2, P33_2-P33_7, P34_0-P34_6
+	 * for Ethernet port 3
+	 * DSW12[1] OFF; DSW12[2] ON - use pin P00_3 for Ethernet port 3
+	 */
+	gmac1_pins: gmac1-pins {
+		pinmux = <RZT2H_PORT_PINMUX(33, 2, 0xf)>, /* ETH3_TXCLK */
+			 <RZT2H_PORT_PINMUX(33, 3, 0xf)>, /* ETH3_TXD0 */
+			 <RZT2H_PORT_PINMUX(33, 4, 0xf)>, /* ETH3_TXD0 */
+			 <RZT2H_PORT_PINMUX(33, 5, 0xf)>, /* ETH3_TXD2 */
+			 <RZT2H_PORT_PINMUX(33, 6, 0xf)>, /* ETH3_TXD3 */
+			 <RZT2H_PORT_PINMUX(33, 7, 0xf)>, /* ETH3_TXEN */
+			 <RZT2H_PORT_PINMUX(34, 0, 0xf)>, /* ETH3_RXCLK */
+			 <RZT2H_PORT_PINMUX(34, 1, 0xf)>, /* ETH3_RXD0 */
+			 <RZT2H_PORT_PINMUX(34, 2, 0xf)>, /* ETH3_RXD1 */
+			 <RZT2H_PORT_PINMUX(34, 3, 0xf)>, /* ETH3_RXD2 */
+			 <RZT2H_PORT_PINMUX(34, 4, 0xf)>, /* ETH3_RXD3 */
+			 <RZT2H_PORT_PINMUX(34, 5, 0xf)>, /* ETH3_RXDV */
+			 <RZT2H_PORT_PINMUX(0, 0, 0xf)>, /* ETH3_TXER */
+			 <RZT2H_PORT_PINMUX(0, 1, 0xf)>, /* ETH3_RXER */
+			 <RZT2H_PORT_PINMUX(0, 2, 0xf)>, /* ETH3_CRS */
+			 <RZT2H_PORT_PINMUX(0, 3, 0xf)>, /* ETH3_COL */
+			 <RZT2H_PORT_PINMUX(26, 1, 0x10)>, /* GMAC1_MDC */
+			 <RZT2H_PORT_PINMUX(26, 2, 0x10)>, /* GMAC1_MDIO */
+			 <RZT2H_PORT_PINMUX(34, 6, 0x2)>; /* ETH3_REFCLK */
+	};
+
+	/*
 	 * I2C0 Pin Configuration:
 	 * ------------------------
 	 * Signal | Pin     | DSW15
diff --git a/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi b/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi
index 5e044a4d0234..6b0bb2c441af 100644
--- a/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi
@@ -92,6 +92,20 @@
 	clock-frequency = <12288000>;
 };
 
+&ehci0 {
+	dr_mode = "otg";
+	status = "okay";
+};
+
+&ehci1 {
+	status = "okay";
+};
+
+&hsusb {
+	dr_mode = "otg";
+	status = "okay";
+};
+
 &i2c0 {
 	status = "okay";
 
@@ -132,6 +146,19 @@
 	};
 };
 
+&ohci0 {
+	dr_mode = "otg";
+	status = "okay";
+};
+
+&ohci1 {
+	status = "okay";
+};
+
+&phyrst {
+	status = "okay";
+};
+
 &pinctrl {
 	audio_clock_pins: audio-clock {
 		pins = "AUDIO_CLK1", "AUDIO_CLK2";
@@ -207,6 +234,23 @@
 			 <RZG2L_PORT_PINMUX(18, 4, 8)>, /* TXD */
 			 <RZG2L_PORT_PINMUX(18, 5, 8)>; /* RXD */
 	};
+
+	usb0_pins: usb0 {
+		peri {
+			pinmux = <RZG2L_PORT_PINMUX(5, 0, 1)>, /* VBUS */
+				 <RZG2L_PORT_PINMUX(5, 2, 1)>; /* OVC */
+		};
+
+		otg {
+			pinmux = <RZG2L_PORT_PINMUX(5, 3, 1)>; /* OTG_ID */
+			bias-pull-up;
+		};
+	};
+
+	usb1_pins: usb1 {
+		pinmux = <RZG2L_PORT_PINMUX(5, 4, 5)>, /* OVC */
+			 <RZG2L_PORT_PINMUX(6, 0, 1)>; /* VBUS */
+	};
 };
 
 &scif0 {
@@ -242,3 +286,16 @@
 	pinctrl-0 = <&ssi3_pins>, <&audio_clock_pins>;
 	status = "okay";
 };
+
+&usb2_phy0 {
+	pinctrl-0 = <&usb0_pins>;
+	pinctrl-names = "default";
+	vbus-supply = <&usb0_vbus_otg>;
+	status = "okay";
+};
+
+&usb2_phy1 {
+	pinctrl-0 = <&usb1_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+};
diff --git a/arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi b/arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi
index 924a38c6cb0f..3eed1f3948e8 100644
--- a/arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi
@@ -7,10 +7,14 @@
 
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/leds/common.h>
+#include <dt-bindings/net/mscc-phy-vsc8531.h>
+#include <dt-bindings/net/renesas,r9a09g077-pcs-miic.h>
 #include <dt-bindings/pinctrl/renesas,r9a09g077-pinctrl.h>
 
 / {
 	aliases {
+		ethernet3 = &gmac1;
+		ethernet2 = &gmac2;
 		i2c0 = &i2c0;
 		i2c1 = &i2c1;
 		mmc0 = &sdhi0;
@@ -70,10 +74,34 @@
 	status = "okay";
 };
 
+&ethss {
+	status = "okay";
+
+	renesas,miic-switch-portin = <ETHSS_GMAC0_PORT>;
+};
+
 &extal_clk {
 	clock-frequency = <25000000>;
 };
 
+&gmac1 {
+	pinctrl-0 = <&gmac1_pins>;
+	pinctrl-names = "default";
+	phy-handle = <&mdio1_phy>;
+	phy-mode = "rgmii-id";
+	pcs-handle = <&mii_conv3>;
+	status = "okay";
+};
+
+&gmac2 {
+	pinctrl-0 = <&gmac2_pins>;
+	pinctrl-names = "default";
+	phy-handle = <&mdio2_phy>;
+	phy-mode = "rgmii-id";
+	pcs-handle = <&mii_conv2>;
+	status = "okay";
+};
+
 &hsusb {
 	dr_mode = "otg";
 	status = "okay";
@@ -87,6 +115,48 @@
 	};
 };
 
+&mdio1 {
+	mdio1_phy: ethernet-phy@3 {
+		compatible = "ethernet-phy-id0007.0772", "ethernet-phy-ieee802.3-c22";
+		reg = <3>;
+		vsc8531,led-0-mode = <VSC8531_ACTIVITY>;
+		vsc8531,led-1-mode = <VSC8531_LINK_ACTIVITY>;
+		reset-assert-us = <2000>;
+		reset-deassert-us = <15000>;
+	};
+};
+
+&mdio2 {
+	mdio2_phy: ethernet-phy@2 {
+		compatible = "ethernet-phy-id0007.0772", "ethernet-phy-ieee802.3-c22";
+		reg = <2>;
+		vsc8531,led-0-mode = <VSC8531_ACTIVITY>;
+		vsc8531,led-1-mode = <VSC8531_LINK_ACTIVITY>;
+		reset-assert-us = <2000>;
+		reset-deassert-us = <15000>;
+	};
+};
+
+&mii_conv0 {
+	renesas,miic-input = <ETHSS_ETHSW_PORT0>;
+	status = "okay";
+};
+
+&mii_conv1 {
+	renesas,miic-input = <ETHSS_ETHSW_PORT1>;
+	status = "okay";
+};
+
+&mii_conv2 {
+	renesas,miic-input = <ETHSS_GMAC2_PORT>;
+	status = "okay";
+};
+
+&mii_conv3 {
+	renesas,miic-input = <ETHSS_GMAC1_PORT>;
+	status = "okay";
+};
+
 &ohci {
 	dr_mode = "otg";
 	status = "okay";
diff --git a/include/dt-bindings/clock/r8a779a0-cpg-mssr.h b/include/dt-bindings/clock/r8a779a0-cpg-mssr.h
index f1d737ca7ca1..124a6b8856df 100644
--- a/include/dt-bindings/clock/r8a779a0-cpg-mssr.h
+++ b/include/dt-bindings/clock/r8a779a0-cpg-mssr.h
@@ -51,5 +51,6 @@
 #define R8A779A0_CLK_CBFUSA		40
 #define R8A779A0_CLK_R			41
 #define R8A779A0_CLK_OSC		42
+#define R8A779A0_CLK_ZG			43
 
 #endif /* __DT_BINDINGS_CLOCK_R8A779A0_CPG_MSSR_H__ */