Proxmox-Port/linux-loongson
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson synced 2025-09-06 04:41:28 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

arm64: dts: qcom: sa8775p: add CPU idle states

Browse Source 
Add CPU idle-state nodes and power-domains to the .dtsi for SA8775P.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://lore.kernel.org/r/20240807-sa8775p-idle-states-v1-1-f2b5fcdfa0b0@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
This commit is contained in:
Bartosz Golaszewski 2024-08-07 15:31:43 +02:00 committed by Bjorn Andersson
parent c46eef2990
commit 4f79d0deae
1 changed files with 115 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

115
arch/arm64/boot/dts/qcom/sa8775p.dtsi
View File

@ -220,6 +220,48 @@ core3 {
};
};
};
idle-states {
entry-method = "psci";
GOLD_CPU_SLEEP_0: cpu-sleep-0 {
compatible = "arm,idle-state";
idle-state-name = "gold-power-collapse";
arm,psci-suspend-param = <0x40000003>;
entry-latency-us = <549>;
exit-latency-us = <901>;
min-residency-us = <1774>;
local-timer-stop;
};
GOLD_RAIL_CPU_SLEEP_0: cpu-sleep-1 {
compatible = "arm,idle-state";
idle-state-name = "gold-rail-power-collapse";
arm,psci-suspend-param = <0x40000004>;
entry-latency-us = <702>;
exit-latency-us = <1061>;
min-residency-us = <4488>;
local-timer-stop;
};
};
domain-idle-states {
CLUSTER_SLEEP_GOLD: 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_APSS_RSC_PC: cluster-sleep-1 {
compatible = "domain-idle-state";
arm,psci-suspend-param = <0x42000144>;
entry-latency-us = <3263>;
exit-latency-us = <6562>;
min-residency-us = <9987>;
};
};
};
dummy-sink {
@ -349,6 +391,79 @@ pmu {
psci {
compatible = "arm,psci-1.0";
method = "smc";
CPU_PD0: power-domain-cpu0 {
#power-domain-cells = <0>;
power-domains = <&CLUSTER_0_PD>;
domain-idle-states = <&GOLD_CPU_SLEEP_0>,
<&GOLD_RAIL_CPU_SLEEP_0>;
};
CPU_PD1: power-domain-cpu1 {
#power-domain-cells = <0>;
power-domains = <&CLUSTER_0_PD>;
domain-idle-states = <&GOLD_CPU_SLEEP_0>,
<&GOLD_RAIL_CPU_SLEEP_0>;
};
CPU_PD2: power-domain-cpu2 {
#power-domain-cells = <0>;
power-domains = <&CLUSTER_0_PD>;
domain-idle-states = <&GOLD_CPU_SLEEP_0>,
<&GOLD_RAIL_CPU_SLEEP_0>;
};
CPU_PD3: power-domain-cpu3 {
#power-domain-cells = <0>;
power-domains = <&CLUSTER_0_PD>;
domain-idle-states = <&GOLD_CPU_SLEEP_0>,
<&GOLD_RAIL_CPU_SLEEP_0>;
};
CPU_PD4: power-domain-cpu4 {
#power-domain-cells = <0>;
power-domains = <&CLUSTER_1_PD>;
domain-idle-states = <&GOLD_CPU_SLEEP_0>,
<&GOLD_RAIL_CPU_SLEEP_0>;
};
CPU_PD5: power-domain-cpu5 {
#power-domain-cells = <0>;
power-domains = <&CLUSTER_1_PD>;
domain-idle-states = <&GOLD_CPU_SLEEP_0>,
<&GOLD_RAIL_CPU_SLEEP_0>;
};
CPU_PD6: power-domain-cpu6 {
#power-domain-cells = <0>;
power-domains = <&CLUSTER_1_PD>;
domain-idle-states = <&GOLD_CPU_SLEEP_0>,
<&GOLD_RAIL_CPU_SLEEP_0>;
};
CPU_PD7: power-domain-cpu7 {
#power-domain-cells = <0>;
power-domains = <&CLUSTER_1_PD>;
domain-idle-states = <&GOLD_CPU_SLEEP_0>,
<&GOLD_RAIL_CPU_SLEEP_0>;
};
CLUSTER_0_PD: power-domain-cluster0 {
#power-domain-cells = <0>;
power-domains = <&CLUSTER_2_PD>;
domain-idle-states = <&CLUSTER_SLEEP_GOLD>;
};
CLUSTER_1_PD: power-domain-cluster1 {
#power-domain-cells = <0>;
power-domains = <&CLUSTER_2_PD>;
domain-idle-states = <&CLUSTER_SLEEP_GOLD>;
};
CLUSTER_2_PD: power-domain-cluster2 {
#power-domain-cells = <0>;
domain-idle-states = <&CLUSTER_SLEEP_APSS_RSC_PC>;
};
};
reserved-memory {