diff --git a/arch/arm64/boot/dts/renesas/r9a07g054.dtsi b/arch/arm64/boot/dts/renesas/r9a07g054.dtsi
index 587fab0ceb3f..f689996b5808 100644
--- a/arch/arm64/boot/dts/renesas/r9a07g054.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a07g054.dtsi
@@ -1182,6 +1182,7 @@ sdhi0: mmc@11c00000 {
 				 <&cpg CPG_MOD R9A07G054_SDHI0_IMCLK2>,
 				 <&cpg CPG_MOD R9A07G054_SDHI0_ACLK>;
 			clock-names = "core", "clkh", "cd", "aclk";
+			max-frequency = <133333333>;
 			resets = <&cpg R9A07G054_SDHI0_IXRST>;
 			power-domains = <&cpg>;
 			status = "disabled";
@@ -1198,6 +1199,7 @@ sdhi1: mmc@11c10000 {
 				 <&cpg CPG_MOD R9A07G054_SDHI1_IMCLK2>,
 				 <&cpg CPG_MOD R9A07G054_SDHI1_ACLK>;
 			clock-names = "core", "clkh", "cd", "aclk";
+			max-frequency = <133333333>;
 			resets = <&cpg R9A07G054_SDHI1_IXRST>;
 			power-domains = <&cpg>;
 			status = "disabled";