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authorAmit Kucheria <amit.kucheria@linaro.org>2019-07-05 12:43:00 +0530
committerAmit Kucheria <amit.kucheria@linaro.org>2019-07-09 09:44:37 +0530
commit60566a1d35b2efa56d3c3d315ae89b10ef21ed49 (patch)
tree704dfd74926bb1fd253ebe4caf892717cd8e984b
parent447fe0a666f5bc13d2bb14651e077f9b56ab74ce (diff)
arm64: dts: qcom: msm8996: Add additional PSCI cpuidle low power states
WIP: System state won't work, needs more tweaking Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
-rw-r--r--arch/arm64/boot/dts/qcom/msm8996.dtsi43
1 files changed, 39 insertions, 4 deletions
diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
index 9203821549e1..2d26bac8da88 100644
--- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
@@ -94,7 +94,9 @@
compatible = "qcom,kryo";
reg = <0x0 0x0>;
enable-method = "psci";
- cpu-idle-states = <&CPU_SLEEP_0>;
+ cpu-idle-states = <&CPU_SLEEP_0 &CPU_SLEEP_1
+ &CLUSTER_SLEEP_0
+ &SYSTEM_SLEEP_0>;
capacity-dmips-mhz = <1024>;
next-level-cache = <&L2_0>;
L2_0: l2-cache {
@@ -108,7 +110,9 @@
compatible = "qcom,kryo";
reg = <0x0 0x1>;
enable-method = "psci";
- cpu-idle-states = <&CPU_SLEEP_0>;
+ cpu-idle-states = <&CPU_SLEEP_0 &CPU_SLEEP_1
+ &CLUSTER_SLEEP_0
+ &SYSTEM_SLEEP_0>;
capacity-dmips-mhz = <1024>;
next-level-cache = <&L2_0>;
};
@@ -118,7 +122,9 @@
compatible = "qcom,kryo";
reg = <0x0 0x100>;
enable-method = "psci";
- cpu-idle-states = <&CPU_SLEEP_0>;
+ cpu-idle-states = <&CPU_SLEEP_0 &CPU_SLEEP_1
+ &CLUSTER_SLEEP_0
+ &SYSTEM_SLEEP_0>;
capacity-dmips-mhz = <1024>;
next-level-cache = <&L2_1>;
L2_1: l2-cache {
@@ -132,7 +138,9 @@
compatible = "qcom,kryo";
reg = <0x0 0x101>;
enable-method = "psci";
- cpu-idle-states = <&CPU_SLEEP_0>;
+ cpu-idle-states = <&CPU_SLEEP_0 &CPU_SLEEP_1
+ &CLUSTER_SLEEP_0
+ &SYSTEM_SLEEP_0>;
capacity-dmips-mhz = <1024>;
next-level-cache = <&L2_1>;
};
@@ -164,12 +172,39 @@
CPU_SLEEP_0: cpu-sleep-0 {
compatible = "arm,idle-state";
+ idle-state-name = "wfi";
+ arm,psci-suspend-param = <0x00000001>;
+ entry-latency-us = <40>;
+ exit-latency-us = <80>;
+ min-residency-us = <300>;
+ };
+
+ CPU_SLEEP_1: cpu-sleep-1 {
+ compatible = "arm,idle-state";
idle-state-name = "standalone-power-collapse";
arm,psci-suspend-param = <0x00000004>;
entry-latency-us = <130>;
exit-latency-us = <80>;
min-residency-us = <300>;
};
+
+ CLUSTER_SLEEP_0: cluster-sleep-0 {
+ compatible = "arm,idle-state";
+ idle-state-name = "pwr-l2-wfi";
+ arm,psci-suspend-param = <0x40000001>;
+ entry-latency-us = <45>;
+ exit-latency-us = <85>;
+ min-residency-us = <300>;
+ };
+
+ SYSTEM_SLEEP_0: system-sleep-0 {
+ compatible = "arm,idle-state";
+ idle-state-name = "system-wfi";
+ arm,psci-suspend-param = <0x40000001>;
+ entry-latency-us = <20>;
+ exit-latency-us = <120>;
+ min-residency-us = <300>;
+ };
};
};