[PATCH 1/3] arm64: dts: qcom: sm8350: Add missing cluster sleep state

From: Konrad Dybcio
Date: Wed Jul 05 2023 - 09:36:39 EST


SM8350's cores can be shut off, without engaging full-on SoC-wide power
collapse. Add the missing idle state to allow for that.

Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/sm8350.dtsi | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sm8350.dtsi b/arch/arm64/boot/dts/qcom/sm8350.dtsi
index ec451c616f3e..e1a09d4a83c4 100644
--- a/arch/arm64/boot/dts/qcom/sm8350.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8350.dtsi
@@ -264,7 +264,15 @@ 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 = <2752>;
+ exit-latency-us = <3048>;
+ min-residency-us = <6118>;
+ };
+
+ CLUSTER_SLEEP_AOSS_SLEEP: cluster-sleep-1 {
compatible = "domain-idle-state";
arm,psci-suspend-param = <0x4100c344>;
entry-latency-us = <3263>;
@@ -346,7 +354,7 @@ 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>;
};
};


--
2.41.0