diff --git a/arch/arm/boot/dts/r8a7794.dtsi b/arch/arm/boot/dts/r8a7794.dtsi
index 685f986cf962752f364d1beb8751d09f596ec726..55737bca4e63faf8a2d420213014b054b89f6224 100644
--- a/arch/arm/boot/dts/r8a7794.dtsi
+++ b/arch/arm/boot/dts/r8a7794.dtsi
@@ -697,7 +697,7 @@ mmcif0: mmc@ee200000 {
 
 	sdhi0: sd@ee100000 {
 		compatible = "renesas,sdhi-r8a7794";
-		reg = <0 0xee100000 0 0x200>;
+		reg = <0 0xee100000 0 0x328>;
 		interrupts = <GIC_SPI 165 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp3_clks R8A7794_CLK_SDHI0>;
 		dmas = <&dmac0 0xcd>, <&dmac0 0xce>,