diff --git a/Documentation/devicetree/bindings/reset/renesas,rst.txt b/Documentation/devicetree/bindings/reset/renesas,rst.txt
index 7be61efc3c8a..67e83b02e10b 100644
--- a/Documentation/devicetree/bindings/reset/renesas,rst.txt
+++ b/Documentation/devicetree/bindings/reset/renesas,rst.txt
@@ -30,6 +30,7 @@ Required properties:
 		  - "renesas,r8a77965-rst" (R-Car M3-N)
 		  - "renesas,r8a77970-rst" (R-Car V3M)
 		  - "renesas,r8a77980-rst" (R-Car V3H)
+		  - "renesas,r8a77990-rst" (R-Car E3)
 		  - "renesas,r8a77995-rst" (R-Car D3)
   - reg: Address start and address range for the device.
 
diff --git a/drivers/soc/renesas/Kconfig b/drivers/soc/renesas/Kconfig
index 96dd93660359..c0e0286a2360 100644
--- a/drivers/soc/renesas/Kconfig
+++ b/drivers/soc/renesas/Kconfig
@@ -4,7 +4,8 @@ config SOC_RENESAS
 	select SOC_BUS
 	select RST_RCAR if ARCH_RCAR_GEN1 || ARCH_RCAR_GEN2 || \
 			   ARCH_R8A7795 || ARCH_R8A7796 || ARCH_R8A77965 || \
-			   ARCH_R8A77970 || ARCH_R8A77980 || ARCH_R8A77995
+			   ARCH_R8A77970 || ARCH_R8A77980 || ARCH_R8A77990 || \
+			   ARCH_R8A77995
 	select SYSC_R8A7743 if ARCH_R8A7743
 	select SYSC_R8A7745 if ARCH_R8A7745
 	select SYSC_R8A77470 if ARCH_R8A77470
diff --git a/drivers/soc/renesas/rcar-rst.c b/drivers/soc/renesas/rcar-rst.c
index 66d7dbac2ded..d9c1034e70e9 100644
--- a/drivers/soc/renesas/rcar-rst.c
+++ b/drivers/soc/renesas/rcar-rst.c
@@ -60,6 +60,7 @@ static const struct of_device_id rcar_rst_matches[] __initconst = {
 	{ .compatible = "renesas,r8a77965-rst", .data = &rcar_rst_gen3 },
 	{ .compatible = "renesas,r8a77970-rst", .data = &rcar_rst_gen3 },
 	{ .compatible = "renesas,r8a77980-rst", .data = &rcar_rst_gen3 },
+	{ .compatible = "renesas,r8a77990-rst", .data = &rcar_rst_gen3 },
 	{ .compatible = "renesas,r8a77995-rst", .data = &rcar_rst_gen3 },
 	{ /* sentinel */ }
 };