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authorJames Liao <jamesjj.liao@mediatek.com>2020-01-15 08:42:35 +0300
committerMatthias Brugger <matthias.bgg@gmail.com>2020-02-11 14:56:58 +0300
commit6be021b1f00d11a420981d711adb2fa9b47c37b9 (patch)
tree1f8fd978492a0e81ad56f47b8d71da96390dda19 /arch/arm64/boot/dts
parentbb6d3fb354c5ee8d6bde2d576eb7220ea09862b9 (diff)
downloadlinux-6be021b1f00d11a420981d711adb2fa9b47c37b9.tar.xz
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>
Diffstat (limited to 'arch/arm64/boot/dts')
-rw-r--r--arch/arm64/boot/dts/mediatek/mt8183.dtsi30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
index 124f9d3e09f5..504891d2b97b 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>;
+ };
};
};