diff --git a/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi
index ca10e259b4e4..2f99031aa237 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi
@@ -662,6 +662,13 @@ ap_i2c_audio: &i2c8 {
 	status = "okay";
 };
 
+&emmc_phy {
+	freq-sel = <200000000>;
+	dr-sel = <50>;
+	opdelay = <4>;
+	status = "okay";
+};
+
 &sdhci {
 	status = "okay";