diff --git a/arch/arm64/boot/dts/rockchip/rk3566-eink.dtsi b/arch/arm64/boot/dts/rockchip/rk3566-eink.dtsi
index 09791eb16abf..40f24785c5b1 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-eink.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3566-eink.dtsi
@@ -81,6 +81,22 @@
 	};
 };
 
+&lpddr4_params {
+	/* freq info, freq_0 is final frequency, unit: MHz */
+	freq_0 = <528>;
+	freq_1 = <324>;
+	freq_2 = <324>;
+	freq_3 = <324>;
+};
+
+&lpddr4x_params {
+	/* freq info, freq_0 is final frequency, unit: MHz */
+	freq_0 = <528>;
+	freq_1 = <324>;
+	freq_2 = <324>;
+	freq_3 = <324>;
+};
+
 &rockchip_suspend {
 	status = "okay";
 
diff --git a/arch/arm64/boot/dts/rockchip/rk3566.dtsi b/arch/arm64/boot/dts/rockchip/rk3566.dtsi
index 01b6499b678d..6443a36ed9af 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3566.dtsi
@@ -15,6 +15,16 @@
 	/delete-node/ opp-1992000000;
 };
 
+&lpddr4_params {
+	/* freq info, freq_0 is final frequency, unit: MHz */
+	freq_0 = <1056>;
+};
+
+&lpddr4x_params {
+	/* freq info, freq_0 is final frequency, unit: MHz */
+	freq_0 = <1056>;
+};
+
 &power {
 	pd_pipe@RK3568_PD_PIPE {
 		reg = <RK3568_PD_PIPE>;
diff --git a/arch/arm64/boot/dts/rockchip/rk3568.dtsi b/arch/arm64/boot/dts/rockchip/rk3568.dtsi
index 132e16ff52c4..d69664dfdaca 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3568.dtsi
@@ -2153,6 +2153,19 @@
 		status = "disabled";
 	};
 
+	dmc_fsp: dmc-fsp {
+		compatible = "rockchip,rk3568-dmc-fsp";
+
+		debug_print_level = <0>;
+		ddr3_params = <&ddr3_params>;
+		ddr4_params = <&ddr4_params>;
+		lpddr3_params = <&lpddr3_params>;
+		lpddr4_params = <&lpddr4_params>;
+		lpddr4x_params = <&lpddr4x_params>;
+
+		status = "okay";
+	};
+
 	dmc_opp_table: dmc-opp-table {
 		compatible = "operating-points-v2";