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arm64: dts: qcom: sm6375: Introduce C3 power state for both ARM clusters

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Introduce the C3 power state, which - to the best of my understanding -
gates the CPU clock, but does not shut off the power rail.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230303-topic-sm6375_features0_dts-v2-13-708b8191f7eb@linaro.org
This commit is contained in:
Konrad Dybcio
2023-03-16 15:13:02 +01:00
committed by Bjorn Andersson
parent 097d6525af
commit dbe38b9cba
1 changed files with 28 additions and 8 deletions
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36
arch/arm64/boot/dts/qcom/sm6375.dtsi
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@@ -214,6 +214,16 @@ core7 {
idle-states {
entry-method = "psci";
LITTLE_CPU_SLEEP_0: cpu-sleep-0-0 {
compatible = "arm,idle-state";
idle-state-name = "silver-power-collapse";
arm,psci-suspend-param = <0x40000003>;
entry-latency-us = <549>;
exit-latency-us = <901>;
min-residency-us = <1774>;
local-timer-stop;
};
LITTLE_CPU_SLEEP_1: cpu-sleep-0-1 {
compatible = "arm,idle-state";
idle-state-name = "silver-rail-power-collapse";
@@ -224,6 +234,16 @@ LITTLE_CPU_SLEEP_1: cpu-sleep-0-1 {
local-timer-stop;
};
BIG_CPU_SLEEP_0: cpu-sleep-1-0 {
compatible = "arm,idle-state";
idle-state-name = "gold-power-collapse";
arm,psci-suspend-param = <0x40000003>;
entry-latency-us = <523>;
exit-latency-us = <1244>;
min-residency-us = <2207>;
local-timer-stop;
};
BIG_CPU_SLEEP_1: cpu-sleep-1-1 {
compatible = "arm,idle-state";
idle-state-name = "gold-rail-power-collapse";
@@ -275,49 +295,49 @@ psci {
CPU_PD0: power-domain-cpu0 {
#power-domain-cells = <0>;
power-domains = <&CLUSTER_PD>;
domain-idle-states = <&LITTLE_CPU_SLEEP_1>;
domain-idle-states = <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1>;
};
CPU_PD1: power-domain-cpu1 {
#power-domain-cells = <0>;
power-domains = <&CLUSTER_PD>;
domain-idle-states = <&LITTLE_CPU_SLEEP_1>;
domain-idle-states = <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1>;
};
CPU_PD2: power-domain-cpu2 {
#power-domain-cells = <0>;
power-domains = <&CLUSTER_PD>;
domain-idle-states = <&LITTLE_CPU_SLEEP_1>;
domain-idle-states = <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1>;
};
CPU_PD3: power-domain-cpu3 {
#power-domain-cells = <0>;
power-domains = <&CLUSTER_PD>;
domain-idle-states = <&LITTLE_CPU_SLEEP_1>;
domain-idle-states = <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1>;
};
CPU_PD4: power-domain-cpu4 {
#power-domain-cells = <0>;
power-domains = <&CLUSTER_PD>;
domain-idle-states = <&LITTLE_CPU_SLEEP_1>;
domain-idle-states = <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1>;
};
CPU_PD5: power-domain-cpu5 {
#power-domain-cells = <0>;
power-domains = <&CLUSTER_PD>;
domain-idle-states = <&LITTLE_CPU_SLEEP_1>;
domain-idle-states = <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1>;
};
CPU_PD6: power-domain-cpu6 {
#power-domain-cells = <0>;
power-domains = <&CLUSTER_PD>;
domain-idle-states = <&BIG_CPU_SLEEP_1>;
domain-idle-states = <&BIG_CPU_SLEEP_0 &BIG_CPU_SLEEP_1>;
};
CPU_PD7: power-domain-cpu7 {
#power-domain-cells = <0>;
power-domains = <&CLUSTER_PD>;
domain-idle-states = <&BIG_CPU_SLEEP_1>;
domain-idle-states = <&BIG_CPU_SLEEP_0 &BIG_CPU_SLEEP_1>;
};
CLUSTER_PD: power-domain-cpu-cluster0 {