[PATCH 6.8 073/715] arm64: dts: qcom: sc8180x: Add missing CPU off state

Sasha Levin
2024-03-24T22:36:12Z

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@linaro.org
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 b84fe5f3b41cb..8849469d0aa10 100644
--- a/arch/arm64/boot/dts/qcom/sc8180x.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc8180x.dtsi
@@ -298,7 +298,15 @@ 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>;
@@ -582,7 +590,7 @@ 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>;
};
};

--
2.43.0