From: tony.xie <tony.xie@rock-chips.com>
Date: Mon, 24 Jul 2017 06:29:20 +0000 (+0800)
Subject: arm64: dts: rockchip: support cluster idle feature for rk3366
X-Git-Tag: release-20171130_firefly~4^2~79
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=14fd93119220d7125b710d0e25a3ac09a0607ad4;p=firefly-linux-kernel-4.4.55.git

arm64: dts: rockchip: support cluster idle feature for rk3366

1) Add cluster sleep mode in cpu idle_states for RK3366 SoCs.
2) Modify cpu idle parameter.

Change-Id: I538c0bead8642c3642448edfe9971a3b09e919e0
Signed-off-by: Tony Xie <tony.xie@rock-chips.com>
---

diff --git a/arch/arm64/boot/dts/rockchip/rk3366.dtsi b/arch/arm64/boot/dts/rockchip/rk3366.dtsi
index 47388e8cdb13..434448b607c1 100644
--- a/arch/arm64/boot/dts/rockchip/rk3366.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3366.dtsi
@@ -83,7 +83,7 @@
 			enable-method = "psci";
 			clocks = <&cru ARMCLK>;
 			operating-points-v2 = <&cpu0_opp_table>;
-			cpu-idle-states = <&cpu_sleep>;
+			cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
 			#cooling-cells = <2>; /* min followed by max */
 			dynamic-power-coefficient = <166>;
 		};
@@ -94,7 +94,7 @@
 			reg = <0x0 0x1>;
 			enable-method = "psci";
 			operating-points-v2 = <&cpu0_opp_table>;
-			cpu-idle-states = <&cpu_sleep>;
+			cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
 		};
 
 		cpu2: cpu@2 {
@@ -103,7 +103,7 @@
 			reg = <0x0 0x2>;
 			enable-method = "psci";
 			operating-points-v2 = <&cpu0_opp_table>;
-			cpu-idle-states = <&cpu_sleep>;
+			cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
 		};
 
 		cpu3: cpu@3 {
@@ -112,18 +112,28 @@
 			reg = <0x0 0x3>;
 			enable-method = "psci";
 			operating-points-v2 = <&cpu0_opp_table>;
-			cpu-idle-states = <&cpu_sleep>;
+			cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
 		};
 
 		idle-states {
 			entry-method = "psci";
-			cpu_sleep: cpu-sleep-0 {
+
+			CPU_SLEEP: cpu-sleep {
 				compatible = "arm,idle-state";
 				local-timer-stop;
 				arm,psci-suspend-param = <0x0010000>;
-				entry-latency-us = <350>;
-				exit-latency-us = <600>;
-				min-residency-us = <1150>;
+				entry-latency-us = <120>;
+				exit-latency-us = <250>;
+				min-residency-us = <900>;
+			};
+
+			CLUSTER_SLEEP: cluster-sleep {
+				compatible = "arm,idle-state";
+				local-timer-stop;
+				arm,psci-suspend-param = <0x1010000>;
+				entry-latency-us = <400>;
+				exit-latency-us = <500>;
+				min-residency-us = <2000>;
 			};
 		};
 	};