diff --git a/arch/arm/boot/dts/r8a7791.dtsi b/arch/arm/boot/dts/r8a7791.dtsi
index 7613abea13d7903765200818c0638aaa21bb21a1..bbef666596e5c4cc6cabe52c3289d3108ae2ec89 100644
--- a/arch/arm/boot/dts/r8a7791.dtsi
+++ b/arch/arm/boot/dts/r8a7791.dtsi
@@ -494,6 +494,7 @@
 		dma-names = "tx", "rx";
 		reg-io-width = <4>;
 		status = "disabled";
+		max-frequency = <97500000>;
 	};
 
 	sdhi0: sd@ee100000 {