From 7ac00fb94ed24464e7be2525009b7b7f5e46b1be Mon Sep 17 00:00:00 2001
From: Liang Chen <cl@rock-chips.com>
Date: Mon, 5 Feb 2018 15:55:19 +0800
Subject: [PATCH] arm: dts: add dmc support for rk322x

Change-Id: Ibf72cb8d2e26490386212d564309f5b85692105a
Signed-off-by: Liang Chen <cl@rock-chips.com>
---
 arch/arm/boot/dts/rk322x.dtsi | 51 +++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/arch/arm/boot/dts/rk322x.dtsi b/arch/arm/boot/dts/rk322x.dtsi
index 7ac359209bf9..45d1a52c1115 100644
--- a/arch/arm/boot/dts/rk322x.dtsi
+++ b/arch/arm/boot/dts/rk322x.dtsi
@@ -9,6 +9,8 @@
 #include <dt-bindings/suspend/rockchip-rk322x.h>
 #include <dt-bindings/soc/rockchip,boot-mode.h>
 #include <dt-bindings/thermal/thermal.h>
+#include <dt-bindings/soc/rockchip-system-status.h>
+#include "rk322x-dram-default-timing.dtsi"
 
 / {
 	#address-cells = <1>;
@@ -129,6 +131,55 @@
 		interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>;
 	};
 
+	dmc: dmc {
+		compatible = "rockchip,rk3228-dmc", "rockchip,rk322x-dram";
+		clocks = <&cru SCLK_DDRC>;
+		clock-names = "dmc_clk";
+		operating-points-v2 = <&dmc_opp_table>;
+		system-status-freq = <
+			/*system status         freq(KHz)*/
+			SYS_STATUS_NORMAL       600000
+			SYS_STATUS_VIDEO_4K	666000
+			SYS_STATUS_VIDEO_4K_10B 786000
+		>;
+		dram_freq = <786000000>;
+		rockchip,dram_timing = <&dram_timing>;
+		status = "disabled";
+	};
+
+	dmc_opp_table: dmc-opp-table {
+		compatible = "operating-points-v2";
+
+		opp-300000000 {
+			opp-hz = /bits/ 64 <300000000>;
+			opp-microvolt = <1050000>;
+		};
+		opp-400000000 {
+			opp-hz = /bits/ 64 <400000000>;
+			opp-microvolt = <1050000>;
+		};
+		opp-600000000 {
+			opp-hz = /bits/ 64 <600000000>;
+			opp-microvolt = <1050000>;
+		};
+		opp-666000000 {
+			opp-hz = /bits/ 64 <666000000>;
+			opp-microvolt = <1100000>;
+		};
+		opp-700000000 {
+			opp-hz = /bits/ 64 <700000000>;
+			opp-microvolt = <1100000>;
+		};
+		opp-786000000 {
+			opp-hz = /bits/ 64 <786000000>;
+			opp-microvolt = <1150000>;
+		};
+		opp-800000000 {
+			opp-hz = /bits/ 64 <800000000>;
+			opp-microvolt = <1150000>;
+		};
+	};
+
 	psci {
 		compatible = "arm,psci-1.0", "arm,psci-0.2";
 		method = "smc";