diff --git a/Documentation/devicetree/bindings/arm/shmobile.txt b/Documentation/devicetree/bindings/arm/shmobile.txt
index 5d1c5c0085dc..51147cb5c036 100644
--- a/Documentation/devicetree/bindings/arm/shmobile.txt
+++ b/Documentation/devicetree/bindings/arm/shmobile.txt
@@ -53,11 +53,11 @@ Boards:
     compatible = "renesas,henninger", "renesas,r8a7791"
   - Koelsch (RTP0RC7791SEB00010S)
     compatible = "renesas,koelsch", "renesas,r8a7791"
-  - KZM9D
+  - Kyoto Microcomputer Co. KZM-A9-Dual
     compatible = "renesas,kzm9d", "renesas,emev2"
-  - KZM-A9-GT
+  - Kyoto Microcomputer Co. KZM-A9-GT
     compatible = "renesas,kzm9g", "renesas,sh73a0"
-  - KZM-A9-GT - Reference Device Tree Implementation
+  - Kyoto Microcomputer Co. KZM-A9-GT - Reference Device Tree Implementation
     compatible = "renesas,kzm9g-reference", "renesas,sh73a0"
   - Lager (RTP0RC7790SEB00010S)
     compatible = "renesas,lager", "renesas,r8a7790"
diff --git a/arch/arm/boot/dts/r8a73a4.dtsi b/arch/arm/boot/dts/r8a73a4.dtsi
index fba39a2bfe42..ef152e384822 100644
--- a/arch/arm/boot/dts/r8a73a4.dtsi
+++ b/arch/arm/boot/dts/r8a73a4.dtsi
@@ -51,7 +51,7 @@
 	};
 
 	irqc0: interrupt-controller@e61c0000 {
-		compatible = "renesas,irqc";
+		compatible = "renesas,irqc-r8a73a4", "renesas,irqc";
 		#interrupt-cells = <2>;
 		interrupt-controller;
 		reg = <0 0xe61c0000 0 0x200>;
@@ -90,7 +90,7 @@
 	};
 
 	irqc1: interrupt-controller@e61c0200 {
-		compatible = "renesas,irqc";
+		compatible = "renesas,irqc-r8a73a4", "renesas,irqc";
 		#interrupt-cells = <2>;
 		interrupt-controller;
 		reg = <0 0xe61c0200 0 0x200>;