diff --git a/arch/arm/dts/r8a7790.dtsi b/arch/arm/dts/r8a7790.dtsi
index 0925bdc..5a27477 100644
--- a/arch/arm/dts/r8a7790.dtsi
+++ b/arch/arm/dts/r8a7790.dtsi
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * Device Tree Source for the r8a7790 SoC
+ * Device Tree Source for the R-Car H2 (R8A77900) SoC
  *
  * Copyright (C) 2015 Renesas Electronics Corporation
  * Copyright (C) 2013-2014 Renesas Solutions Corp.
@@ -1559,7 +1559,7 @@
 		sata0: sata@ee300000 {
 			compatible = "renesas,sata-r8a7790",
 				     "renesas,rcar-gen2-sata";
-			reg = <0 0xee300000 0 0x2000>;
+			reg = <0 0xee300000 0 0x200000>;
 			interrupts = <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 815>;
 			power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;
@@ -1570,7 +1570,7 @@
 		sata1: sata@ee500000 {
 			compatible = "renesas,sata-r8a7790",
 				     "renesas,rcar-gen2-sata";
-			reg = <0 0xee500000 0 0x2000>;
+			reg = <0 0xee500000 0 0x200000>;
 			interrupts = <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 814>;
 			power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;