From 4f79d0deae37c298bbce5142937080ff5cc61a25 Mon Sep 17 00:00:00 2001 From: Bartosz Golaszewski Date: Wed, 7 Aug 2024 15:31:43 +0200 Subject: [PATCH] arm64: dts: qcom: sa8775p: add CPU idle states Add CPU idle-state nodes and power-domains to the .dtsi for SA8775P. Signed-off-by: Bartosz Golaszewski Link: https://lore.kernel.org/r/20240807-sa8775p-idle-states-v1-1-f2b5fcdfa0b0@linaro.org Signed-off-by: Bjorn Andersson --- arch/arm64/boot/dts/qcom/sa8775p.dtsi | 115 ++++++++++++++++++++++++++ 1 file changed, 115 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi index 6dc1f518e035d..801e8a92359d0 100644 --- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi +++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi @@ -220,6 +220,48 @@ }; }; }; + + 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 @@ 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 { -- 2.47.2