diff --git a/arch/arm/boot/dts/renesas/r8a7740-armadillo800eva.dts b/arch/arm/boot/dts/renesas/r8a7740-armadillo800eva.dts
index fa09295052c6..d21e00e1f401 100644
--- a/arch/arm/boot/dts/renesas/r8a7740-armadillo800eva.dts
+++ b/arch/arm/boot/dts/renesas/r8a7740-armadillo800eva.dts
@@ -58,7 +58,7 @@
 		regulator-max-microvolt = <3300000>;
 		vin-supply = <&vcc_sdhi0>;
 
-		enable-gpio = <&pfc 74 GPIO_ACTIVE_HIGH>;
+		enable-gpios = <&pfc 74 GPIO_ACTIVE_HIGH>;
 		gpios = <&pfc 17 GPIO_ACTIVE_HIGH>;
 		states = <3300000 0>, <1800000 1>;
 
diff --git a/arch/arm/boot/dts/renesas/r9a06g032-rzn1d400-db.dts b/arch/arm/boot/dts/renesas/r9a06g032-rzn1d400-db.dts
index c18bbd7141c4..31cdca3e623c 100644
--- a/arch/arm/boot/dts/renesas/r9a06g032-rzn1d400-db.dts
+++ b/arch/arm/boot/dts/renesas/r9a06g032-rzn1d400-db.dts
@@ -67,7 +67,7 @@
 	status = "okay";
 };
 
-&pinctrl{
+&pinctrl {
 	pins_can0: pins_can0 {
 		pinmux = <RZN1_PINMUX(162, RZN1_FUNC_CAN)>,	/* CAN0_TXD */
 			 <RZN1_PINMUX(163, RZN1_FUNC_CAN)>;	/* CAN0_RXD */
diff --git a/arch/arm64/boot/dts/renesas/gmsl-cameras.dtsi b/arch/arm64/boot/dts/renesas/gmsl-cameras.dtsi
index d45f072f8cdf..e0930d1ba3aa 100644
--- a/arch/arm64/boot/dts/renesas/gmsl-cameras.dtsi
+++ b/arch/arm64/boot/dts/renesas/gmsl-cameras.dtsi
@@ -100,7 +100,7 @@
 
 #ifdef GMSL_CAMERA_1
 		port@1 {
-			max9286_in1: endpoint{
+			max9286_in1: endpoint {
 				remote-endpoint = <&fakra_con1>;
 			};
 
@@ -233,7 +233,7 @@
 
 #ifdef GMSL_CAMERA_5
 		port@1 {
-			max9286_in5: endpoint{
+			max9286_in5: endpoint {
 				remote-endpoint = <&fakra_con5>;
 			};
 
diff --git a/arch/arm64/boot/dts/renesas/r8a77970-v3msk.dts b/arch/arm64/boot/dts/renesas/r8a77970-v3msk.dts
index c2b65f8de547..e36999e91af5 100644
--- a/arch/arm64/boot/dts/renesas/r8a77970-v3msk.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77970-v3msk.dts
@@ -145,7 +145,7 @@
 	status = "okay";
 	clock-frequency = <400000>;
 
-	hdmi@39{
+	hdmi@39 {
 		compatible = "adi,adv7511w";
 		#sound-dai-cells = <0>;
 		reg = <0x39>;
diff --git a/arch/arm64/boot/dts/renesas/r8a77990.dtsi b/arch/arm64/boot/dts/renesas/r8a77990.dtsi
index 1be0b99c15ed..4c545eff9b42 100644
--- a/arch/arm64/boot/dts/renesas/r8a77990.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77990.dtsi
@@ -76,7 +76,7 @@
 			enable-method = "psci";
 			cpu-idle-states = <&CPU_SLEEP_0>;
 			dynamic-power-coefficient = <277>;
-			clocks =<&cpg CPG_CORE R8A77990_CLK_Z2>;
+			clocks = <&cpg CPG_CORE R8A77990_CLK_Z2>;
 			operating-points-v2 = <&cluster1_opp>;
 		};
 
@@ -88,7 +88,7 @@
 			next-level-cache = <&L2_CA53>;
 			enable-method = "psci";
 			cpu-idle-states = <&CPU_SLEEP_0>;
-			clocks =<&cpg CPG_CORE R8A77990_CLK_Z2>;
+			clocks = <&cpg CPG_CORE R8A77990_CLK_Z2>;
 			operating-points-v2 = <&cluster1_opp>;
 		};
 
diff --git a/arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi b/arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi
index dd8e0e159526..76a94812875e 100644
--- a/arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi
@@ -6,6 +6,8 @@
  */
 
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/leds/common.h>
+
 #include "r8a779f0.dtsi"
 
 / {
@@ -22,6 +24,24 @@
 		stdout-path = "serial0:1843200n8";
 	};
 
+	leds {
+		compatible = "gpio-leds";
+
+		led-7 {
+			gpios = <&gpio0 11 GPIO_ACTIVE_HIGH>;
+			color = <LED_COLOR_ID_GREEN>;
+			function = LED_FUNCTION_INDICATOR;
+			function-enumerator = <7>;
+		};
+
+		led-8 {
+			gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>;
+			color = <LED_COLOR_ID_GREEN>;
+			function = LED_FUNCTION_INDICATOR;
+			function-enumerator = <8>;
+		};
+	};
+
 	memory@48000000 {
 		device_type = "memory";
 		/* first 128MB is reserved for secure area. */
diff --git a/arch/arm64/boot/dts/renesas/r8a779f0.dtsi b/arch/arm64/boot/dts/renesas/r8a779f0.dtsi
index 1d5426e6293c..0059c9c580f3 100644
--- a/arch/arm64/boot/dts/renesas/r8a779f0.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779f0.dtsi
@@ -466,6 +466,21 @@
 			#thermal-sensor-cells = <1>;
 		};
 
+		intc_ex: interrupt-controller@e61c0000 {
+			compatible = "renesas,intc-ex-r8a779f0", "renesas,irqc";
+			#interrupt-cells = <2>;
+			interrupt-controller;
+			reg = <0 0xe61c0000 0 0x200>;
+			interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_CORE R8A779F0_CLK_CL16M>;
+			power-domains = <&sysc R8A779F0_PD_ALWAYS_ON>;
+		};
+
 		tmu0: timer@e61e0000 {
 			compatible = "renesas,tmu-r8a779f0", "renesas,tmu";
 			reg = <0 0xe61e0000 0 0x30>;
diff --git a/arch/arm64/boot/dts/renesas/r9a07g043.dtsi b/arch/arm64/boot/dts/renesas/r9a07g043.dtsi
index 27c35a657b15..8721f4c9fa0f 100644
--- a/arch/arm64/boot/dts/renesas/r9a07g043.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a07g043.dtsi
@@ -74,6 +74,76 @@
 		#size-cells = <2>;
 		ranges;
 
+		mtu3: timer@10001200 {
+			compatible = "renesas,r9a07g043-mtu3",
+				     "renesas,rz-mtu3";
+			reg = <0 0x10001200 0 0xb00>;
+			interrupts = <SOC_PERIPHERAL_IRQ(170) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(171) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(172) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(173) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(174) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(175) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(176) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(177) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(178) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(179) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(180) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(181) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(182) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(183) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(184) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(185) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(186) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(187) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(188) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(189) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(190) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(191) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(192) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(193) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(194) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(195) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(196) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(197) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(198) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(199) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(200) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(201) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(202) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(203) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(204) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(205) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(206) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(207) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(208) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(209) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(210) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(211) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(212) IRQ_TYPE_EDGE_RISING>,
+				     <SOC_PERIPHERAL_IRQ(213) IRQ_TYPE_EDGE_RISING>;
+			interrupt-names = "tgia0", "tgib0", "tgic0", "tgid0",
+					  "tciv0", "tgie0", "tgif0",
+					  "tgia1", "tgib1", "tciv1", "tciu1",
+					  "tgia2", "tgib2", "tciv2", "tciu2",
+					  "tgia3", "tgib3", "tgic3", "tgid3",
+					  "tciv3",
+					  "tgia4", "tgib4", "tgic4", "tgid4",
+					  "tciv4",
+					  "tgiu5", "tgiv5", "tgiw5",
+					  "tgia6", "tgib6", "tgic6", "tgid6",
+					  "tciv6",
+					  "tgia7", "tgib7", "tgic7", "tgid7",
+					  "tciv7",
+					  "tgia8", "tgib8", "tgic8", "tgid8",
+					  "tciv8", "tciu8";
+			clocks = <&cpg CPG_MOD R9A07G043_MTU_X_MCK_MTU3>;
+			power-domains = <&cpg>;
+			resets = <&cpg R9A07G043_MTU_X_PRESET_MTU3>;
+			#pwm-cells = <2>;
+			status = "disabled";
+		};
+
 		ssi0: ssi@10049c00 {
 			compatible = "renesas,r9a07g043-ssi",
 				     "renesas,rz-ssi";
diff --git a/arch/arm64/boot/dts/renesas/r9a07g043u11-smarc.dts b/arch/arm64/boot/dts/renesas/r9a07g043u11-smarc.dts
index 01483b4302c2..8e0107df2d46 100644
--- a/arch/arm64/boot/dts/renesas/r9a07g043u11-smarc.dts
+++ b/arch/arm64/boot/dts/renesas/r9a07g043u11-smarc.dts
@@ -17,6 +17,17 @@
 #define SW_SW0_DEV_SEL	1
 #define SW_ET0_EN_N	1
 
+/*
+ * To enable MTU3a PWM on PMOD0,
+ *  - Set DIP-Switch SW1-3 to On position.
+ *  - Set PMOD_MTU3 macro to 1.
+ */
+#define PMOD_MTU3	0
+
+#if (PMOD_MTU3 && !SW_ET0_EN_N)
+#error "Cannot set as both PMOD_MTU3 and !SW_ET0_EN_N are mutually exclusive"
+#endif
+
 #include "r9a07g043u.dtsi"
 #include "rzg2ul-smarc-som.dtsi"
 #include "rzg2ul-smarc.dtsi"
diff --git a/arch/arm64/boot/dts/renesas/r9a07g044.dtsi b/arch/arm64/boot/dts/renesas/r9a07g044.dtsi
index 232910e07444..66f68fc2b241 100644
--- a/arch/arm64/boot/dts/renesas/r9a07g044.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a07g044.dtsi
@@ -223,20 +223,20 @@
 				     <GIC_SPI 212 IRQ_TYPE_EDGE_RISING>,
 				     <GIC_SPI 213 IRQ_TYPE_EDGE_RISING>;
 			interrupt-names = "tgia0", "tgib0", "tgic0", "tgid0",
-					  "tgiv0", "tgie0", "tgif0",
-					  "tgia1", "tgib1", "tgiv1", "tgiu1",
-					  "tgia2", "tgib2", "tgiv2", "tgiu2",
+					  "tciv0", "tgie0", "tgif0",
+					  "tgia1", "tgib1", "tciv1", "tciu1",
+					  "tgia2", "tgib2", "tciv2", "tciu2",
 					  "tgia3", "tgib3", "tgic3", "tgid3",
-					  "tgiv3",
+					  "tciv3",
 					  "tgia4", "tgib4", "tgic4", "tgid4",
-					  "tgiv4",
+					  "tciv4",
 					  "tgiu5", "tgiv5", "tgiw5",
 					  "tgia6", "tgib6", "tgic6", "tgid6",
-					  "tgiv6",
+					  "tciv6",
 					  "tgia7", "tgib7", "tgic7", "tgid7",
-					  "tgiv7",
+					  "tciv7",
 					  "tgia8", "tgib8", "tgic8", "tgid8",
-					  "tgiv8", "tgiu8";
+					  "tciv8", "tciu8";
 			clocks = <&cpg CPG_MOD R9A07G044_MTU_X_MCK_MTU3>;
 			power-domains = <&cpg>;
 			resets = <&cpg R9A07G044_MTU_X_PRESET_MTU3>;
diff --git a/arch/arm64/boot/dts/renesas/r9a07g044c2-smarc.dts b/arch/arm64/boot/dts/renesas/r9a07g044c2-smarc.dts
index f67a6f125d9c..0b90367b6d1e 100644
--- a/arch/arm64/boot/dts/renesas/r9a07g044c2-smarc.dts
+++ b/arch/arm64/boot/dts/renesas/r9a07g044c2-smarc.dts
@@ -35,6 +35,18 @@
 /* comment the #define statement to disable SCIF1 (SER0) on PMOD1 (CN7) */
 #define PMOD1_SER0	1
 
+/*
+ * To enable MTU3a PWM on PMOD0,
+ *  - Set DIP-Switch SW1-4 to Off position.
+ *  - Set SW_RSPI_CAN macro to 0.
+ *  - Set PMOD_MTU3 macro to 1.
+ */
+#define PMOD_MTU3	0
+
+#if (PMOD_MTU3 && SW_RSPI_CAN)
+#error "Cannot set as both PMOD_MTU3 and SW_RSPI_CAN are mutually exclusive"
+#endif
+
 #include "r9a07g044c2.dtsi"
 #include "rzg2lc-smarc-som.dtsi"
 #include "rzg2lc-smarc.dtsi"
diff --git a/arch/arm64/boot/dts/renesas/r9a07g044l2-smarc.dts b/arch/arm64/boot/dts/renesas/r9a07g044l2-smarc.dts
index bc2af6c92ccd..568d49cfe44a 100644
--- a/arch/arm64/boot/dts/renesas/r9a07g044l2-smarc.dts
+++ b/arch/arm64/boot/dts/renesas/r9a07g044l2-smarc.dts
@@ -6,6 +6,27 @@
  */
 
 /dts-v1/;
+
+/* Enable SCIF2 (SER0) on PMOD1 (CN7) */
+#define PMOD1_SER0	1
+
+/*
+ * To enable MTU3a PWM on PMOD0,
+ * Disable PMOD1_SER0 by setting "#define PMOD1_SER0	0" above and
+ * enable PMOD_MTU3 by setting "#define PMOD_MTU3	1" below.
+ */
+#define PMOD_MTU3	0
+
+#if (PMOD_MTU3 && PMOD1_SER0)
+#error "Cannot set as PMOD_MTU3 and PMOD1_SER0 are mutually exclusive "
+#endif
+
+#define MTU3_COUNTER_Z_PHASE_SIGNAL	0
+
+#if (!PMOD_MTU3 && MTU3_COUNTER_Z_PHASE_SIGNAL)
+#error "Cannot set 1 to MTU3_COUNTER_Z_PHASE_SIGNAL as PMOD_MTU3=0"
+#endif
+
 #include "r9a07g044l2.dtsi"
 #include "rzg2l-smarc-som.dtsi"
 #include "rzg2l-smarc-pinfunction.dtsi"
diff --git a/arch/arm64/boot/dts/renesas/r9a07g054.dtsi b/arch/arm64/boot/dts/renesas/r9a07g054.dtsi
index 2eba3a8a100d..1f1d481dc783 100644
--- a/arch/arm64/boot/dts/renesas/r9a07g054.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a07g054.dtsi
@@ -223,20 +223,20 @@
 				     <GIC_SPI 212 IRQ_TYPE_EDGE_RISING>,
 				     <GIC_SPI 213 IRQ_TYPE_EDGE_RISING>;
 			interrupt-names = "tgia0", "tgib0", "tgic0", "tgid0",
-					  "tgiv0", "tgie0", "tgif0",
-					  "tgia1", "tgib1", "tgiv1", "tgiu1",
-					  "tgia2", "tgib2", "tgiv2", "tgiu2",
+					  "tciv0", "tgie0", "tgif0",
+					  "tgia1", "tgib1", "tciv1", "tciu1",
+					  "tgia2", "tgib2", "tciv2", "tciu2",
 					  "tgia3", "tgib3", "tgic3", "tgid3",
-					  "tgiv3",
+					  "tciv3",
 					  "tgia4", "tgib4", "tgic4", "tgid4",
-					  "tgiv4",
+					  "tciv4",
 					  "tgiu5", "tgiv5", "tgiw5",
 					  "tgia6", "tgib6", "tgic6", "tgid6",
-					  "tgiv6",
+					  "tciv6",
 					  "tgia7", "tgib7", "tgic7", "tgid7",
-					  "tgiv7",
+					  "tciv7",
 					  "tgia8", "tgib8", "tgic8", "tgid8",
-					  "tgiv8", "tgiu8";
+					  "tciv8", "tciu8";
 			clocks = <&cpg CPG_MOD R9A07G054_MTU_X_MCK_MTU3>;
 			power-domains = <&cpg>;
 			resets = <&cpg R9A07G054_MTU_X_PRESET_MTU3>;
diff --git a/arch/arm64/boot/dts/renesas/r9a07g054l2-smarc.dts b/arch/arm64/boot/dts/renesas/r9a07g054l2-smarc.dts
index 3d01a4cf0fbe..b3e6016880dd 100644
--- a/arch/arm64/boot/dts/renesas/r9a07g054l2-smarc.dts
+++ b/arch/arm64/boot/dts/renesas/r9a07g054l2-smarc.dts
@@ -6,6 +6,26 @@
  */
 
 /dts-v1/;
+
+/* Enable SCIF2 (SER0) on PMOD1 (CN7) */
+#define PMOD1_SER0	1
+
+/*
+ * To enable MTU3a PWM on PMOD0,
+ * Disable PMOD1_SER0 by setting "#define PMOD1_SER0	0" above and
+ * enable PMOD_MTU3 by setting "#define PMOD_MTU3	1" below.
+ */
+#define PMOD_MTU3	0
+
+#if (PMOD_MTU3 && PMOD1_SER0)
+#error "Cannot set as PMOD_MTU3 and PMOD1_SER0 are mutually exclusive "
+#endif
+
+#define MTU3_COUNTER_Z_PHASE_SIGNAL	0
+#if (!PMOD_MTU3 && MTU3_COUNTER_Z_PHASE_SIGNAL)
+#error "Cannot set 1 to MTU3_COUNTER_Z_PHASE_SIGNAL as PMOD_MTU3=0"
+#endif
+
 #include "r9a07g054l2.dtsi"
 #include "rzg2l-smarc-som.dtsi"
 #include "rzg2l-smarc-pinfunction.dtsi"
diff --git a/arch/arm64/boot/dts/renesas/r9a09g011.dtsi b/arch/arm64/boot/dts/renesas/r9a09g011.dtsi
index 46d67b200a66..33f2ecf42441 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g011.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a09g011.dtsi
@@ -236,6 +236,34 @@
 			reg = <0 0xa3f03000 0 0x400>;
 		};
 
+		csi0: spi@a4020000 {
+			compatible = "renesas,rzv2m-csi";
+			reg = <0 0xa4020000 0 0x80>;
+			interrupts = <GIC_SPI 226 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD R9A09G011_CSI0_CLK>,
+				 <&cpg CPG_MOD R9A09G011_CPERI_GRPG_PCLK>;
+			clock-names = "csiclk", "pclk";
+			resets = <&cpg R9A09G011_CSI_GPG_PRESETN>;
+			power-domains = <&cpg>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		csi4: spi@a4020200 {
+			compatible = "renesas,rzv2m-csi";
+			reg = <0 0xa4020200 0 0x80>;
+			interrupts = <GIC_SPI 230 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD R9A09G011_CSI4_CLK>,
+				 <&cpg CPG_MOD R9A09G011_CPERI_GRPH_PCLK>;
+			clock-names = "csiclk", "pclk";
+			resets = <&cpg R9A09G011_CSI_GPH_PRESETN>;
+			power-domains = <&cpg>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
 		i2c0: i2c@a4030000 {
 			#address-cells = <1>;
 			#size-cells = <0>;
diff --git a/arch/arm64/boot/dts/renesas/rz-smarc-common.dtsi b/arch/arm64/boot/dts/renesas/rz-smarc-common.dtsi
index 3962d47b3e59..a7594ba3a998 100644
--- a/arch/arm64/boot/dts/renesas/rz-smarc-common.dtsi
+++ b/arch/arm64/boot/dts/renesas/rz-smarc-common.dtsi
@@ -78,11 +78,11 @@
 	};
 };
 
-&audio_clk1{
+&audio_clk1 {
 	clock-frequency = <11289600>;
 };
 
-&audio_clk2{
+&audio_clk2 {
 	clock-frequency = <12288000>;
 };
 
diff --git a/arch/arm64/boot/dts/renesas/rzg2l-smarc-pinfunction.dtsi b/arch/arm64/boot/dts/renesas/rzg2l-smarc-pinfunction.dtsi
index 9085d8c76ce1..18c526c7a4cf 100644
--- a/arch/arm64/boot/dts/renesas/rzg2l-smarc-pinfunction.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2l-smarc-pinfunction.dtsi
@@ -53,6 +53,26 @@
 			 <RZG2L_PORT_PINMUX(18, 1, 3)>; /* SCL */
 	};
 
+	mtu3_pins: mtu3 {
+		mtu3-ext-clk-input-pin {
+			pinmux = <RZG2L_PORT_PINMUX(48, 0, 4)>, /* MTCLKA */
+				 <RZG2L_PORT_PINMUX(48, 1, 4)>; /* MTCLKB */
+		};
+
+		mtu3-pwm {
+			pinmux = <RZG2L_PORT_PINMUX(44, 0, 4)>, /* MTIOC3A */
+				 <RZG2L_PORT_PINMUX(44, 1, 4)>, /* MTIOC3B */
+				 <RZG2L_PORT_PINMUX(44, 2, 4)>, /* MTIOC3C */
+				 <RZG2L_PORT_PINMUX(44, 3, 4)>; /* MTIOC3D */
+		};
+
+#if MTU3_COUNTER_Z_PHASE_SIGNAL
+		mtu3-zphase-clk {
+			pinmux = <RZG2L_PORT_PINMUX(19, 0, 3)>; /* MTIOC1A */
+		};
+#endif /* MTU3_COUNTER_Z_PHASE_SIGNAL */
+	};
+
 	scif0_pins: scif0 {
 		pinmux = <RZG2L_PORT_PINMUX(38, 0, 1)>,	/* TxD */
 			 <RZG2L_PORT_PINMUX(38, 1, 1)>;	/* RxD */
diff --git a/arch/arm64/boot/dts/renesas/rzg2l-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg2l-smarc-som.dtsi
index fbbb4f03440b..547859c388ce 100644
--- a/arch/arm64/boot/dts/renesas/rzg2l-smarc-som.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2l-smarc-som.dtsi
@@ -73,6 +73,13 @@
 		gpios = <&pinctrl RZG2L_GPIO(39, 0) GPIO_ACTIVE_HIGH>;
 		regulator-always-on;
 	};
+
+	/* 32.768kHz crystal */
+	x2: x2-clock {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <32768>;
+	};
 };
 
 &adc {
@@ -100,7 +107,7 @@
 		rxc-skew-psec = <2400>;
 		txc-skew-psec = <2400>;
 		rxdv-skew-psec = <0>;
-		txdv-skew-psec = <0>;
+		txen-skew-psec = <0>;
 		rxd0-skew-psec = <0>;
 		rxd1-skew-psec = <0>;
 		rxd2-skew-psec = <0>;
@@ -128,7 +135,7 @@
 		rxc-skew-psec = <2400>;
 		txc-skew-psec = <2400>;
 		rxdv-skew-psec = <0>;
-		txdv-skew-psec = <0>;
+		txen-skew-psec = <0>;
 		rxd0-skew-psec = <0>;
 		rxd1-skew-psec = <0>;
 		rxd2-skew-psec = <0>;
@@ -148,6 +155,17 @@
 	mali-supply = <&reg_1p1v>;
 };
 
+&i2c3 {
+	raa215300: pmic@12 {
+		compatible = "renesas,raa215300";
+		reg = <0x12>, <0x6f>;
+		reg-names = "main", "rtc";
+
+		clocks = <&x2>;
+		clock-names = "xin";
+	};
+};
+
 &ostm1 {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi b/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi
index 2a158a954b2f..68eab8e26bf2 100644
--- a/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi
@@ -8,9 +8,6 @@
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/pinctrl/rzg2l-pinctrl.h>
 
-/* comment the #define statement to disable SCIF2 (SER0) on PMOD1 (CN7) */
-#define PMOD1_SER0	1
-
 / {
 	aliases {
 		serial1 = &scif2;
@@ -115,6 +112,26 @@
 	};
 };
 
+#if PMOD_MTU3
+&mtu3 {
+	pinctrl-0 = <&mtu3_pins>;
+	pinctrl-names = "default";
+
+	status = "okay";
+};
+
+#if MTU3_COUNTER_Z_PHASE_SIGNAL
+/* SDHI cd pin is muxed with counter Z phase signal */
+&sdhi1 {
+	status = "disabled";
+};
+#endif /* MTU3_COUNTER_Z_PHASE_SIGNAL */
+
+&spi1 {
+	status = "disabled";
+};
+#endif /* PMOD_MTU3 */
+
 /*
  * To enable SCIF2 (SER0) on PMOD1 (CN7)
  * SW1 should be at position 2->3 so that SER0_CTS# line is activated
diff --git a/arch/arm64/boot/dts/renesas/rzg2lc-smarc-pinfunction.dtsi b/arch/arm64/boot/dts/renesas/rzg2lc-smarc-pinfunction.dtsi
index a78a8def363e..92c64d58349f 100644
--- a/arch/arm64/boot/dts/renesas/rzg2lc-smarc-pinfunction.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2lc-smarc-pinfunction.dtsi
@@ -50,6 +50,15 @@
 			 <RZG2L_PORT_PINMUX(42, 4, 1)>; /* SCL */
 	};
 
+	mtu3_pins: mtu3 {
+		mtu3-pwm {
+			pinmux = <RZG2L_PORT_PINMUX(44, 0, 4)>, /* MTIOC3A */
+				 <RZG2L_PORT_PINMUX(44, 1, 4)>, /* MTIOC3B */
+				 <RZG2L_PORT_PINMUX(44, 2, 4)>, /* MTIOC3C */
+				 <RZG2L_PORT_PINMUX(44, 3, 4)>; /* MTIOC3D */
+		};
+	};
+
 	scif0_pins: scif0 {
 		pinmux = <RZG2L_PORT_PINMUX(38, 0, 1)>,	/* TxD */
 			 <RZG2L_PORT_PINMUX(38, 1, 1)>;	/* RxD */
diff --git a/arch/arm64/boot/dts/renesas/rzg2lc-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg2lc-smarc-som.dtsi
index 8a0d56872de7..56ff92453976 100644
--- a/arch/arm64/boot/dts/renesas/rzg2lc-smarc-som.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2lc-smarc-som.dtsi
@@ -6,6 +6,7 @@
  */
 
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irqc-rzg2l.h>
 #include <dt-bindings/pinctrl/rzg2l-pinctrl.h>
 
 / {
@@ -61,6 +62,13 @@
 		gpios = <&pinctrl RZG2L_GPIO(39, 0) GPIO_ACTIVE_HIGH>;
 		regulator-always-on;
 	};
+
+	/* 32.768kHz crystal */
+	x2: x2-clock {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <32768>;
+	};
 };
 
 &eth0 {
@@ -74,10 +82,12 @@
 		compatible = "ethernet-phy-id0022.1640",
 			     "ethernet-phy-ieee802.3-c22";
 		reg = <7>;
+		interrupt-parent = <&irqc>;
+		interrupts = <RZG2L_IRQ0 IRQ_TYPE_LEVEL_LOW>;
 		rxc-skew-psec = <2400>;
 		txc-skew-psec = <2400>;
 		rxdv-skew-psec = <0>;
-		txdv-skew-psec = <0>;
+		txen-skew-psec = <0>;
 		rxd0-skew-psec = <0>;
 		rxd1-skew-psec = <0>;
 		rxd2-skew-psec = <0>;
@@ -97,6 +107,17 @@
 	mali-supply = <&reg_1p1v>;
 };
 
+&i2c2 {
+	raa215300: pmic@12 {
+		compatible = "renesas,raa215300";
+		reg = <0x12>, <0x6f>;
+		reg-names = "main", "rtc";
+
+		clocks = <&x2>;
+		clock-names = "xin";
+	};
+};
+
 &ostm1 {
 	status = "okay";
 };
@@ -121,7 +142,8 @@
 			 <RZG2L_PORT_PINMUX(25, 0, 1)>, /* ET0_RXD0 */
 			 <RZG2L_PORT_PINMUX(25, 1, 1)>, /* ET0_RXD1 */
 			 <RZG2L_PORT_PINMUX(26, 0, 1)>, /* ET0_RXD2 */
-			 <RZG2L_PORT_PINMUX(26, 1, 1)>; /* ET0_RXD3 */
+			 <RZG2L_PORT_PINMUX(26, 1, 1)>, /* ET0_RXD3 */
+			 <RZG2L_PORT_PINMUX(0, 0, 1)>;  /* IRQ0 */
 	};
 
 	gpio-sd0-pwr-en-hog {
diff --git a/arch/arm64/boot/dts/renesas/rzg2lc-smarc.dtsi b/arch/arm64/boot/dts/renesas/rzg2lc-smarc.dtsi
index 6818fd49b2be..83fce96a2575 100644
--- a/arch/arm64/boot/dts/renesas/rzg2lc-smarc.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2lc-smarc.dtsi
@@ -11,7 +11,6 @@
 #include "rzg2lc-smarc-pinfunction.dtsi"
 #include "rz-smarc-common.dtsi"
 
-
 / {
 	aliases {
 		serial1 = &scif1;
@@ -129,6 +128,19 @@
 	};
 };
 
+#if PMOD_MTU3
+&mtu3 {
+	pinctrl-0 = <&mtu3_pins>;
+	pinctrl-names = "default";
+
+	status = "okay";
+};
+
+&spi1 {
+	status = "disabled";
+};
+#endif
+
 /*
  * To enable SCIF1 (SER0) on PMOD1 (CN7), On connector board
  * SW1 should be at position 2->3 so that SER0_CTS# line is activated
diff --git a/arch/arm64/boot/dts/renesas/rzg2ul-smarc-pinfunction.dtsi b/arch/arm64/boot/dts/renesas/rzg2ul-smarc-pinfunction.dtsi
index 58923dc83faa..355694fe4af6 100644
--- a/arch/arm64/boot/dts/renesas/rzg2ul-smarc-pinfunction.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2ul-smarc-pinfunction.dtsi
@@ -50,6 +50,12 @@
 		input-enable;
 	};
 
+	mtu3_pins: mtu3 {
+		mtu2-pwm {
+			pinmux = <RZG2L_PORT_PINMUX(4, 0, 4)>; /* MTIOC2A */
+		};
+	};
+
 	scif0_pins: scif0 {
 		pinmux = <RZG2L_PORT_PINMUX(6, 4, 6)>, /* TxD */
 			 <RZG2L_PORT_PINMUX(6, 3, 6)>; /* RxD */
diff --git a/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi
index 49ecd33aeeb8..97cdad2a12e2 100644
--- a/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi
@@ -83,7 +83,7 @@
 		rxc-skew-psec = <2400>;
 		txc-skew-psec = <2400>;
 		rxdv-skew-psec = <0>;
-		txdv-skew-psec = <0>;
+		txen-skew-psec = <0>;
 		rxd0-skew-psec = <0>;
 		rxd1-skew-psec = <0>;
 		rxd2-skew-psec = <0>;
@@ -112,7 +112,7 @@
 		rxc-skew-psec = <2400>;
 		txc-skew-psec = <2400>;
 		rxdv-skew-psec = <0>;
-		txdv-skew-psec = <0>;
+		txen-skew-psec = <0>;
 		rxd0-skew-psec = <0>;
 		rxd1-skew-psec = <0>;
 		rxd2-skew-psec = <0>;
diff --git a/arch/arm64/boot/dts/renesas/rzg2ul-smarc.dtsi b/arch/arm64/boot/dts/renesas/rzg2ul-smarc.dtsi
index 2a1331ed1a5c..8eb411aac80d 100644
--- a/arch/arm64/boot/dts/renesas/rzg2ul-smarc.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2ul-smarc.dtsi
@@ -28,6 +28,19 @@
 	};
 };
 
+#if PMOD_MTU3
+&mtu3 {
+	pinctrl-0 = <&mtu3_pins>;
+	pinctrl-names = "default";
+
+	status = "okay";
+};
+
+&spi1 {
+	status = "disabled";
+};
+#endif
+
 #if (SW_ET0_EN_N)
 &ssi1 {
 	pinctrl-0 = <&ssi1_pins>;
diff --git a/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi b/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi
index d6f18754eb5d..c62debc7ca7e 100644
--- a/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi
+++ b/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi
@@ -22,6 +22,7 @@
 	status = "disabled";
 };
 
+#if (!SW_ET0_EN_N)
 &eth0 {
 	status = "disabled";
 
@@ -30,6 +31,7 @@
 		/delete-property/ interrupts;
 	};
 };
+#endif
 
 &eth1 {
 	status = "disabled";