From afda73facd5a7205c2bf29719f507915f5e02159 Mon Sep 17 00:00:00 2001
From: YouMin Chen <cym@rock-chips.com>
Date: Thu, 2 Sep 2021 11:27:38 +0800
Subject: [PATCH] arm64: dts: rockchip: rk3568: add dmc_fsp node

Add dmc_fsp node for initialize dmc frequency set point on U-Boot.

Signed-off-by: YouMin Chen <cym@rock-chips.com>
Change-Id: I9fcd1ae498a64b5a4698c42ad05af96740b59e61
---
 arch/arm64/boot/dts/rockchip/rk3566-eink.dtsi | 16 ++++++++++++++++
 arch/arm64/boot/dts/rockchip/rk3566.dtsi      | 10 ++++++++++
 arch/arm64/boot/dts/rockchip/rk3568.dtsi      | 13 +++++++++++++
 3 files changed, 39 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3566-eink.dtsi b/arch/arm64/boot/dts/rockchip/rk3566-eink.dtsi
index 0a696c426dff..3e8c8295e5b6 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-eink.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3566-eink.dtsi
@@ -87,6 +87,22 @@
 	};
 };
 
+&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 de5af7e7688b..b604ca9f1852 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3568.dtsi
@@ -2182,6 +2182,19 @@
 		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";