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Commit ade89bc0 authored by Konrad Dybcio's avatar Konrad Dybcio Committed by Bjorn Andersson
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arm64: dts: qcom: sm6350: Add PSCI idle states 

Add the PSCI idle states so that the CPU (among other things) can
reach lower power states.
Signed-off-by: default avatarKonrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: default avatarBjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230531-topic-rsc-v1-2-b4a985f57b8b@linaro.org
parent f684391e
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arch/arm64/boot/dts/qcom/sm6350.dtsi
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......@@ -56,6 +56,8 @@ CPU0: cpu@0 {
interconnects = <&gem_noc MASTER_AMPSS_M0 QCOM_ICC_TAG_ACTIVE_ONLY
&clk_virt SLAVE_EBI_CH0 QCOM_ICC_TAG_ACTIVE_ONLY>,
<&osm_l3 MASTER_OSM_L3_APPS &osm_l3 SLAVE_OSM_L3>;
power-domains = <&CPU_PD0>;
power-domain-names = "psci";
#cooling-cells = <2>;
L2_0: l2-cache {
compatible = "cache";
......@@ -82,6 +84,8 @@ CPU1: cpu@100 {
interconnects = <&gem_noc MASTER_AMPSS_M0 QCOM_ICC_TAG_ACTIVE_ONLY
&clk_virt SLAVE_EBI_CH0 QCOM_ICC_TAG_ACTIVE_ONLY>,
<&osm_l3 MASTER_OSM_L3_APPS &osm_l3 SLAVE_OSM_L3>;
power-domains = <&CPU_PD1>;
power-domain-names = "psci";
#cooling-cells = <2>;
L2_100: l2-cache {
compatible = "cache";
......@@ -104,6 +108,8 @@ CPU2: cpu@200 {
interconnects = <&gem_noc MASTER_AMPSS_M0 QCOM_ICC_TAG_ACTIVE_ONLY
&clk_virt SLAVE_EBI_CH0 QCOM_ICC_TAG_ACTIVE_ONLY>,
<&osm_l3 MASTER_OSM_L3_APPS &osm_l3 SLAVE_OSM_L3>;
power-domains = <&CPU_PD2>;
power-domain-names = "psci";
#cooling-cells = <2>;
L2_200: l2-cache {
compatible = "cache";
......@@ -126,6 +132,8 @@ CPU3: cpu@300 {
interconnects = <&gem_noc MASTER_AMPSS_M0 QCOM_ICC_TAG_ACTIVE_ONLY
&clk_virt SLAVE_EBI_CH0 QCOM_ICC_TAG_ACTIVE_ONLY>,
<&osm_l3 MASTER_OSM_L3_APPS &osm_l3 SLAVE_OSM_L3>;
power-domains = <&CPU_PD3>;
power-domain-names = "psci";
#cooling-cells = <2>;
L2_300: l2-cache {
compatible = "cache";
......@@ -148,6 +156,8 @@ CPU4: cpu@400 {
interconnects = <&gem_noc MASTER_AMPSS_M0 QCOM_ICC_TAG_ACTIVE_ONLY
&clk_virt SLAVE_EBI_CH0 QCOM_ICC_TAG_ACTIVE_ONLY>,
<&osm_l3 MASTER_OSM_L3_APPS &osm_l3 SLAVE_OSM_L3>;
power-domains = <&CPU_PD4>;
power-domain-names = "psci";
#cooling-cells = <2>;
L2_400: l2-cache {
compatible = "cache";
......@@ -170,6 +180,8 @@ CPU5: cpu@500 {
interconnects = <&gem_noc MASTER_AMPSS_M0 QCOM_ICC_TAG_ACTIVE_ONLY
&clk_virt SLAVE_EBI_CH0 QCOM_ICC_TAG_ACTIVE_ONLY>,
<&osm_l3 MASTER_OSM_L3_APPS &osm_l3 SLAVE_OSM_L3>;
power-domains = <&CPU_PD5>;
power-domain-names = "psci";
#cooling-cells = <2>;
L2_500: l2-cache {
compatible = "cache";
......@@ -192,6 +204,8 @@ CPU6: cpu@600 {
interconnects = <&gem_noc MASTER_AMPSS_M0 QCOM_ICC_TAG_ACTIVE_ONLY
&clk_virt SLAVE_EBI_CH0 QCOM_ICC_TAG_ACTIVE_ONLY>,
<&osm_l3 MASTER_OSM_L3_APPS &osm_l3 SLAVE_OSM_L3>;
power-domains = <&CPU_PD6>;
power-domain-names = "psci";
#cooling-cells = <2>;
L2_600: l2-cache {
compatible = "cache";
......@@ -214,6 +228,8 @@ CPU7: cpu@700 {
interconnects = <&gem_noc MASTER_AMPSS_M0 QCOM_ICC_TAG_ACTIVE_ONLY
&clk_virt SLAVE_EBI_CH0 QCOM_ICC_TAG_ACTIVE_ONLY>,
<&osm_l3 MASTER_OSM_L3_APPS &osm_l3 SLAVE_OSM_L3>;
power-domains = <&CPU_PD7>;
power-domain-names = "psci";
#cooling-cells = <2>;
L2_700: l2-cache {
compatible = "cache";
......@@ -257,6 +273,76 @@ core7 {
};
};
};
domain-idle-states {
CLUSTER_SLEEP_PC: 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_CX_RET: cluster-sleep-1 {
compatible = "domain-idle-state";
arm,psci-suspend-param = <0x41001244>;
entry-latency-us = <3638>;
exit-latency-us = <4562>;
min-residency-us = <8467>;
};
CLUSTER_AOSS_SLEEP: cluster-sleep-2 {
compatible = "domain-idle-state";
arm,psci-suspend-param = <0x4100b244>;
entry-latency-us = <3263>;
exit-latency-us = <6562>;
min-residency-us = <9987>;
};
};
cpu_idle_states: idle-states {
entry-method = "psci";
LITTLE_CPU_SLEEP_0: cpu-sleep-0-0 {
compatible = "arm,idle-state";
idle-state-name = "little-power-collapse";
arm,psci-suspend-param = <0x40000003>;
entry-latency-us = <549>;
exit-latency-us = <901>;
min-residency-us = <1774>;
local-timer-stop;
};
LITTLE_CPU_SLEEP_1: cpu-sleep-0-1 {
compatible = "arm,idle-state";
idle-state-name = "little-rail-power-collapse";
arm,psci-suspend-param = <0x40000004>;
entry-latency-us = <702>;
exit-latency-us = <915>;
min-residency-us = <4001>;
local-timer-stop;
};
BIG_CPU_SLEEP_0: cpu-sleep-1-0 {
compatible = "arm,idle-state";
idle-state-name = "big-power-collapse";
arm,psci-suspend-param = <0x40000003>;
entry-latency-us = <523>;
exit-latency-us = <1244>;
min-residency-us = <2207>;
local-timer-stop;
};
BIG_CPU_SLEEP_1: cpu-sleep-1-1 {
compatible = "arm,idle-state";
idle-state-name = "big-rail-power-collapse";
arm,psci-suspend-param = <0x40000004>;
entry-latency-us = <526>;
exit-latency-us = <1854>;
min-residency-us = <5555>;
local-timer-stop;
};
};
};
firmware {
......@@ -386,6 +472,61 @@ pmu {
psci {
compatible = "arm,psci-1.0";
method = "smc";
CPU_PD0: power-domain-cpu0 {
#power-domain-cells = <0>;
power-domains = <&CLUSTER_PD>;
domain-idle-states = <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1>;
};
CPU_PD1: power-domain-cpu1 {
#power-domain-cells = <0>;
power-domains = <&CLUSTER_PD>;
domain-idle-states = <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1>;
};
CPU_PD2: power-domain-cpu2 {
#power-domain-cells = <0>;
power-domains = <&CLUSTER_PD>;
domain-idle-states = <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1>;
};
CPU_PD3: power-domain-cpu3 {
#power-domain-cells = <0>;
power-domains = <&CLUSTER_PD>;
domain-idle-states = <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1>;
};
CPU_PD4: power-domain-cpu4 {
#power-domain-cells = <0>;
power-domains = <&CLUSTER_PD>;
domain-idle-states = <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1>;
};
CPU_PD5: power-domain-cpu5 {
#power-domain-cells = <0>;
power-domains = <&CLUSTER_PD>;
domain-idle-states = <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1>;
};
CPU_PD6: power-domain-cpu6 {
#power-domain-cells = <0>;
power-domains = <&CLUSTER_PD>;
domain-idle-states = <&BIG_CPU_SLEEP_0 &BIG_CPU_SLEEP_1>;
};
CPU_PD7: power-domain-cpu7 {
#power-domain-cells = <0>;
power-domains = <&CLUSTER_PD>;
domain-idle-states = <&BIG_CPU_SLEEP_0 &BIG_CPU_SLEEP_1>;
};
CLUSTER_PD: power-domain-cpu-cluster0 {
#power-domain-cells = <0>;
domain-idle-states = <&CLUSTER_SLEEP_PC
&CLUSTER_SLEEP_CX_RET
&CLUSTER_AOSS_SLEEP>;
};
};
reserved_memory: reserved-memory {
......
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