From 83f6c099124a97f8bb87d78006fca932f4af85bd Mon Sep 17 00:00:00 2001
From: Finley Xiao <finley.xiao@rock-chips.com>
Date: Tue, 12 Sep 2017 20:04:15 +0800
Subject: [PATCH] arm64: dts: rockchip: rk3399: add vop-bw-dmc-freq property
 for evb board

If ddr frequency can be changed according to vop bandwidth,
change auto-min-freq to 200MHz is okay and 200MHz is enough
for 1080P@30fs and 1080P@60fps.

Change-Id: I4fddb71ced34f4d217d7fc1b97ccf73e612683b0
Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
---
 arch/arm64/boot/dts/rockchip/rk3399-evb.dtsi | 22 ++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-evb.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-evb.dtsi
index 178e3378edbe..f54439a8f1d0 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-evb.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-evb.dtsi
@@ -298,6 +298,28 @@
 &dmc {
 	status = "okay";
 	center-supply = <&vdd_center>;
+	upthreshold = <40>;
+	downdifferential = <20>;
+	system-status-freq = <
+		/*system status         freq(KHz)*/
+		SYS_STATUS_NORMAL       800000
+		SYS_STATUS_REBOOT       528000
+		SYS_STATUS_SUSPEND      200000
+		SYS_STATUS_VIDEO_1080P  200000
+		SYS_STATUS_VIDEO_4K     600000
+		SYS_STATUS_VIDEO_4K_10B 800000
+		SYS_STATUS_PERFORMANCE  800000
+		SYS_STATUS_BOOST        400000
+		SYS_STATUS_DUALVIEW     600000
+		SYS_STATUS_ISP          600000
+	>;
+	vop-bw-dmc-freq = <
+	/* min_bw(MB/s) max_bw(MB/s) freq(KHz) */
+		0       577      200000
+		578     1701     300000
+		1702    99999    400000
+	>;
+	auto-min-freq = <200000>;
 };
 
 &sdhci {