Add the PSCI idle states so that the CPU (among other things) can
reach lower power states.
Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/sm6350.dtsi | 141 +++++++++++++++++++++++++++++++++++
1 file changed, 141 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sm6350.dtsi b/arch/arm64/boot/dts/qcom/sm6350.dtsi
index 46c29a190f1d..9311bb6bddab 100644
--- a/arch/arm64/boot/dts/qcom/sm6350.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm6350.dtsi
@@ -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";
@@ -84,6 +86,8 @@ 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";
@@ -107,6 +111,8 @@ 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";
@@ -130,6 +136,8 @@ 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";
@@ -153,6 +161,8 @@ 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";
@@ -176,6 +186,8 @@ 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";
@@ -199,6 +211,8 @@ 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";
@@ -222,6 +236,8 @@ 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";
@@ -266,6 +282,76 @@ 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 {
@@ -395,6 +481,61 @@ 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 {
--
2.40.1
