From: Konrad Dybcio konrad.dybcio@linaro.org
[ Upstream commit 07b600dfdfea65d58dd80ea25becd8cff69bfafc ]
The CPUs can be powered off without pulling the plug from the rest of the system. Describe the idle state responsible for this.
Fixes: 8575f197b077 ("arm64: dts: qcom: Introduce the SC8180x platform") Signed-off-by: Konrad Dybcio konrad.dybcio@linaro.org Link: https://lore.kernel.org/r/20231230-topic-8180_more_fixes-v1-4-93b5c107ed43@l... Signed-off-by: Bjorn Andersson andersson@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- arch/arm64/boot/dts/qcom/sc8180x.dtsi | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/qcom/sc8180x.dtsi b/arch/arm64/boot/dts/qcom/sc8180x.dtsi index f2eedbdc025c3..a7acaa8ca6055 100644 --- a/arch/arm64/boot/dts/qcom/sc8180x.dtsi +++ b/arch/arm64/boot/dts/qcom/sc8180x.dtsi @@ -297,7 +297,15 @@ BIG_CPU_SLEEP_0: cpu-sleep-1-0 { };
domain-idle-states { - CLUSTER_SLEEP_0: cluster-sleep-0 { + CLUSTER_SLEEP_APSS_OFF: cluster-sleep-0 { + compatible = "domain-idle-state"; + arm,psci-suspend-param = <0x41000044>; + entry-latency-us = <3300>; + exit-latency-us = <3300>; + min-residency-us = <6000>; + }; + + CLUSTER_SLEEP_AOSS_SLEEP: cluster-sleep-1 { compatible = "domain-idle-state"; arm,psci-suspend-param = <0x4100a344>; entry-latency-us = <3263>; @@ -581,7 +589,7 @@ CPU_PD7: power-domain-cpu7 {
CLUSTER_PD: power-domain-cpu-cluster0 { #power-domain-cells = <0>; - domain-idle-states = <&CLUSTER_SLEEP_0>; + domain-idle-states = <&CLUSTER_SLEEP_APSS_OFF &CLUSTER_SLEEP_AOSS_SLEEP>; }; };