From: James Liao <jamesjj.liao@mediatek.com>
Date: Wed, 15 Jan 2020 05:42:35 +0000 (+0800)
Subject: arm64: dts: mt8183: Enable CPU idle-states
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=6be021b1f00d11a420981d711adb2fa9b47c37b9;p=linux.git

arm64: dts: mt8183: Enable CPU idle-states

Enable mcdi-cpu and mcdi-cluster on MT8183 CPUs.

Signed-off-by: James Liao <jamesjj.liao@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
---

diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
index 124f9d3e09f53..504891d2b97bb 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
@@ -74,6 +74,7 @@
 			reg = <0x000>;
 			enable-method = "psci";
 			capacity-dmips-mhz = <741>;
+			cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
 		};
 
 		cpu1: cpu@1 {
@@ -82,6 +83,7 @@
 			reg = <0x001>;
 			enable-method = "psci";
 			capacity-dmips-mhz = <741>;
+			cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
 		};
 
 		cpu2: cpu@2 {
@@ -90,6 +92,7 @@
 			reg = <0x002>;
 			enable-method = "psci";
 			capacity-dmips-mhz = <741>;
+			cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
 		};
 
 		cpu3: cpu@3 {
@@ -98,6 +101,7 @@
 			reg = <0x003>;
 			enable-method = "psci";
 			capacity-dmips-mhz = <741>;
+			cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
 		};
 
 		cpu4: cpu@100 {
@@ -106,6 +110,7 @@
 			reg = <0x100>;
 			enable-method = "psci";
 			capacity-dmips-mhz = <1024>;
+			cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
 		};
 
 		cpu5: cpu@101 {
@@ -114,6 +119,7 @@
 			reg = <0x101>;
 			enable-method = "psci";
 			capacity-dmips-mhz = <1024>;
+			cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
 		};
 
 		cpu6: cpu@102 {
@@ -122,6 +128,7 @@
 			reg = <0x102>;
 			enable-method = "psci";
 			capacity-dmips-mhz = <1024>;
+			cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
 		};
 
 		cpu7: cpu@103 {
@@ -130,6 +137,29 @@
 			reg = <0x103>;
 			enable-method = "psci";
 			capacity-dmips-mhz = <1024>;
+			cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
+		};
+
+		idle-states {
+			entry-method = "psci";
+
+			CPU_SLEEP: cpu-sleep {
+				compatible = "arm,idle-state";
+				local-timer-stop;
+				arm,psci-suspend-param = <0x00010001>;
+				entry-latency-us = <200>;
+				exit-latency-us = <200>;
+				min-residency-us = <800>;
+			};
+
+			CLUSTER_SLEEP: cluster-sleep {
+				compatible = "arm,idle-state";
+				local-timer-stop;
+				arm,psci-suspend-param = <0x01010001>;
+				entry-latency-us = <250>;
+				exit-latency-us = <400>;
+				min-residency-us = <1300>;
+			};
 		};
 	};