[PATCH] arm64: dts: Add idle-states for Juno

[tixy@linaro.org (Jon Medhurst (Tixy))]

From: Jon Medhurst <tixy@linaro.org>

Signed-off-by: Jon Medhurst <tixy@linaro.org>
---

These have been kicking around out of tree for ages, any reason they
shouldn't be in mainline? Also, was unsure of what to put in commit
message.

 arch/arm64/boot/dts/arm/juno.dts | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/arch/arm64/boot/dts/arm/juno.dts b/arch/arm64/boot/dts/arm/juno.dts
index 133ee59..7a9a449 100644
--- a/arch/arm64/boot/dts/arm/juno.dts
+++ b/arch/arm64/boot/dts/arm/juno.dts
@@ -34,12 +34,35 @@
 		#address-cells = <2>;
 		#size-cells = <0>;
 
+		idle-states {
+			entry-method = "arm,psci";
+
+			CPU_SLEEP_0: cpu-sleep-0 {
+				compatible = "arm,idle-state";
+				arm,psci-suspend-param = <0x0010000>;
+				local-timer-stop;
+				entry-latency-us = <100>;
+				exit-latency-us = <250>;
+				min-residency-us = <2000>;
+			};
+
+			CLUSTER_SLEEP_0: cluster-sleep-0 {
+				compatible = "arm,idle-state";
+				arm,psci-suspend-param = <0x1010000>;
+				local-timer-stop;
+				entry-latency-us = <800>;
+				exit-latency-us = <700>;
+				min-residency-us = <2500>;
+			};
+		};
+
 		A57_0: cpu at 0 {
 			compatible = "arm,cortex-a57","arm,armv8";
 			reg = <0x0 0x0>;
 			device_type = "cpu";
 			enable-method = "psci";
 			next-level-cache = <&A57_L2>;
+			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
 		};
 
 		A57_1: cpu at 1 {
@@ -48,6 +71,7 @@
 			device_type = "cpu";
 			enable-method = "psci";
 			next-level-cache = <&A57_L2>;
+			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
 		};
 
 		A53_0: cpu at 100 {
@@ -56,6 +80,7 @@
 			device_type = "cpu";
 			enable-method = "psci";
 			next-level-cache = <&A53_L2>;
+			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
 		};
 
 		A53_1: cpu at 101 {
@@ -64,6 +89,7 @@
 			device_type = "cpu";
 			enable-method = "psci";
 			next-level-cache = <&A53_L2>;
+			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
 		};
 
 		A53_2: cpu at 102 {
@@ -72,6 +98,7 @@
 			device_type = "cpu";
 			enable-method = "psci";
 			next-level-cache = <&A53_L2>;
+			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
 		};
 
 		A53_3: cpu at 103 {
@@ -80,6 +107,7 @@
 			device_type = "cpu";
 			enable-method = "psci";
 			next-level-cache = <&A53_L2>;
+			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
 		};
 
 		A57_L2: l2-cache0 {
-- 
2.1.4