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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org,
	stable@vger.kernel.org
Cc: Konrad Dybcio <konrad.dybcio@linaro.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Sasha Levin <sashal@kernel.org>
Subject: [PATCH 6.8 073/715] arm64: dts: qcom: sc8180x: Add missing CPU off state
Date: Sun, 24 Mar 2024 18:24:12 -0400
Message-ID: <20240324223455.1342824-74-sashal@kernel.org>
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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