/linux/Documentation/devicetree/bindings/cpu/ |
H A D | idle-states.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 3 --- 4 $id: http://devicetree.org/schemas/cpu/idle-states.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 10 - Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> 11 - Anup Patel <anup@brainfault.org> 15 1 - Introduction 18 ARM and RISC-V systems contain HW capable of managing power consumption 19 dynamically, where cores can be put in different low-power states (ranging 22 run-time, can be specified through device tree bindings representing the [all …]
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H A D | cpu-capacity.txt | 6 1 - Introduction 15 2 - CPU capacity definition 19 heterogeneity. Such heterogeneity can come from micro-architectural differences 23 capture a first-order approximation of the relative performance of CPUs. 29 * A "single-threaded" or CPU affine benchmark 43 3 - capacity-dmips-mhz 46 capacity-dmips-mhz is an optional cpu node [1] property: u32 value 51 capacity-dmips-mhz property is all-or-nothing: if it is specified for a cpu 54 available, final capacities are calculated by directly using capacity-dmips- 58 4 - Examples [all …]
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/linux/Documentation/devicetree/bindings/power/ |
H A D | domain-idle-state.yaml | 1 # SPDX-License-Identifier: GPL-2.0 3 --- 4 $id: http://devicetree.org/schemas/power/domain-idle-state.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 10 - Ulf Hansson <ulf.hansson@linaro.org> 18 const: domain-idle-states 21 "^(cpu|cluster|domain)-": 29 const: domain-idle-state 31 entry-latency-us: 34 state. Note that, the exit-latency-us duration may be guaranteed only [all …]
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H A D | power-domain.yaml | 1 # SPDX-License-Identifier: GPL-2.0 3 --- 4 $id: http://devicetree.org/schemas/power/power-domain.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 10 - Rafael J. Wysocki <rjw@rjwysocki.net> 11 - Kevin Hilman <khilman@kernel.org> 12 - Ulf Hansson <ulf.hansson@linaro.org> 25 \#power-domain-cells property in the PM domain provider node. 29 pattern: "^(power-controller|power-domain|performance-domain)([@-].*)?$" 31 domain-idle-states: [all …]
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/linux/Documentation/devicetree/bindings/arm/ |
H A D | psci.yaml | 1 # SPDX-License-Identifier: GPL-2.0 3 --- 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 10 - Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> 15 processors") can be used by Linux to initiate various CPU-centric power 25 r0 => 32-bit Function ID / return value 26 {r1 - r3} => Parameters 40 - description: 44 - description: 52 - const: arm,psci-0.2 [all …]
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/linux/arch/arm64/boot/dts/qcom/ |
H A D | sdm845-cheza.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT) 8 #include <dt-bindings/input/input.h> 9 #include <dt-bindings/regulator/qcom,rpmh-regulator.h> 25 stdout-path = "serial0:115200n8"; 29 compatible = "pwm-backlight"; 31 enable-gpios = <&tlmm 37 GPIO_ACTIVE_HIGH>; 32 power-supply = <&ppvar_sys>; 33 pinctrl-names = "default"; 34 pinctrl-0 = <&ap_edp_bklten>; 37 /* FIXED REGULATORS - parents above children */ [all …]
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H A D | sm4450.dtsi | 1 // SPDX-License-Identifier: BSD-3-Clause 6 #include <dt-bindings/clock/qcom,rpmh.h> 7 #include <dt-bindings/clock/qcom,sm4450-camcc.h> 8 #include <dt-bindings/clock/qcom,sm4450-dispcc.h> 9 #include <dt-bindings/clock/qcom,sm4450-gcc.h> 10 #include <dt-bindings/clock/qcom,sm4450-gpucc.h> 11 #include <dt-bindings/gpio/gpio.h> 12 #include <dt-bindings/interrupt-controller/arm-gic.h> 13 #include <dt-bindings/soc/qcom,rpmh-rsc.h> 16 interrupt-parent = <&intc>; [all …]
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H A D | sdm630.dtsi | 1 // SPDX-License-Identifier: BSD-3-Clause 7 #include <dt-bindings/clock/qcom,gcc-sdm660.h> 8 #include <dt-bindings/clock/qcom,gpucc-sdm660.h> 9 #include <dt-bindings/clock/qcom,mmcc-sdm660.h> 10 #include <dt-bindings/clock/qcom,rpmcc.h> 11 #include <dt-bindings/firmware/qcom,scm.h> 12 #include <dt-bindings/interconnect/qcom,sdm660.h> 13 #include <dt-bindings/power/qcom-rpmpd.h> 14 #include <dt-bindings/gpio/gpio.h> 15 #include <dt-bindings/interrupt-controller/arm-gic.h> [all …]
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H A D | sc7180-firmware-tfa.dtsi | 1 // SPDX-License-Identifier: BSD-3-Clause 4 * Devices that use SC7180 with TrustedFirmware-A 10 /delete-property/ power-domains; 11 /delete-property/ power-domain-names; 13 cpu-idle-states = <&LITTLE_CPU_SLEEP_0 19 /delete-property/ power-domains; 20 /delete-property/ power-domain-names; 22 cpu-idle-states = <&LITTLE_CPU_SLEEP_0 28 /delete-property/ power-domains; 29 /delete-property/ power-domain-names; [all …]
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H A D | sc7280-chrome-common.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT) 20 /delete-node/ &cdsp_mem; 21 /delete-node/ &domain_idle_states; 22 /delete-node/ &gpu_zap_mem; 23 /delete-node/ &gpu_zap_shader; 24 /delete-node/ &hyp_mem; 25 /delete-node/ &xbl_mem; 26 /delete-node/ &reserved_xbl_uefi_log; 27 /delete-node/ &sec_apps_mem; 31 domain_idle_states: domain-idle-states { [all …]
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H A D | sdx75.dtsi | 1 // SPDX-License-Identifier: BSD-3-Clause 9 #include <dt-bindings/clock/qcom,rpmh.h> 10 #include <dt-bindings/clock/qcom,sdx75-gcc.h> 11 #include <dt-bindings/dma/qcom-gpi.h> 12 #include <dt-bindings/gpio/gpio.h> 13 #include <dt-bindings/interconnect/qcom,icc.h> 14 #include <dt-bindings/interconnect/qcom,sdx75.h> 15 #include <dt-bindings/interrupt-controller/arm-gic.h> 16 #include <dt-bindings/mailbox/qcom-ipcc.h> 17 #include <dt-bindings/power/qcom,rpmhpd.h> [all …]
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H A D | sm6350.dtsi | 1 // SPDX-License-Identifier: BSD-3-Clause 7 #include <dt-bindings/clock/qcom,dispcc-sm6350.h> 8 #include <dt-bindings/clock/qcom,gcc-sm6350.h> 9 #include <dt-bindings/clock/qcom,gpucc-sm6350.h> 10 #include <dt-bindings/clock/qcom,rpmh.h> 11 #include <dt-bindings/clock/qcom,sm6350-camcc.h> 12 #include <dt-bindings/dma/qcom-gpi.h> 13 #include <dt-bindings/gpio/gpio.h> 14 #include <dt-bindings/interconnect/qcom,icc.h> 15 #include <dt-bindings/interconnect/qcom,osm-l3.h> [all …]
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/linux/drivers/cpuidle/ |
H A D | dt_idle_states.c | 1 // SPDX-License-Identifier: GPL-2.0-only 9 #define pr_fmt(fmt) "DT idle-states: " fmt 32 idle_state->enter = match_id->data; in init_state_node() 38 idle_state->enter_s2idle = match_id->data; in init_state_node() 40 err = of_property_read_u32(state_node, "wakeup-latency-us", in init_state_node() 41 &idle_state->exit_latency); in init_state_node() 45 err = of_property_read_u32(state_node, "entry-latency-us", in init_state_node() 48 pr_debug(" * %pOF missing entry-latency-us property\n", in init_state_node() 50 return -EINVAL; in init_state_node() 53 err = of_property_read_u32(state_node, "exit-latency-us", in init_state_node() [all …]
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/linux/arch/arm64/boot/dts/sprd/ |
H A D | ums9620.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0 OR MIT) 8 #include <dt-bindings/interrupt-controller/arm-gic.h> 11 interrupt-parent = <&gic>; 12 #address-cells = <2>; 13 #size-cells = <2>; 16 #address-cells = <2>; 17 #size-cells = <0>; 19 cpu-map { 50 compatible = "arm,cortex-a55"; 52 enable-method = "psci"; [all …]
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H A D | sc9860.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT) 8 #include <dt-bindings/interrupt-controller/arm-gic.h> 9 #include <dt-bindings/input/input.h> 10 #include <dt-bindings/gpio/gpio.h> 15 #address-cells = <2>; 16 #size-cells = <0>; 18 cpu-map { 52 compatible = "arm,cortex-a53"; 54 enable-method = "psci"; 55 cpu-idle-states = <&CORE_PD &CLUSTER_PD>; [all …]
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/linux/arch/arm64/boot/dts/arm/ |
H A D | juno-r2.dts | 9 /dts-v1/; 11 #include <dt-bindings/interrupt-controller/arm-gic.h> 12 #include <dt-bindings/arm/coresight-cti-dt.h> 13 #include "juno-base.dtsi" 14 #include "juno-cs-r1r2.dtsi" 18 compatible = "arm,juno-r2", "arm,juno", "arm,vexpress"; 19 interrupt-parent = <&gic>; 20 #address-cells = <2>; 21 #size-cells = <2>; 28 stdout-path = "serial0:115200n8"; [all …]
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H A D | juno.dts | 4 * Copyright (c) 2013-2014 ARM Ltd. 9 /dts-v1/; 11 #include <dt-bindings/interrupt-controller/arm-gic.h> 12 #include <dt-bindings/arm/coresight-cti-dt.h> 13 #include "juno-base.dtsi" 18 interrupt-parent = <&gic>; 19 #address-cells = <2>; 20 #size-cells = <2>; 27 stdout-path = "serial0:115200n8"; 31 compatible = "arm,psci-0.2"; [all …]
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H A D | juno-r1.dts | 9 /dts-v1/; 11 #include <dt-bindings/interrupt-controller/arm-gic.h> 12 #include <dt-bindings/arm/coresight-cti-dt.h> 13 #include "juno-base.dtsi" 14 #include "juno-cs-r1r2.dtsi" 18 compatible = "arm,juno-r1", "arm,juno", "arm,vexpress"; 19 interrupt-parent = <&gic>; 20 #address-cells = <2>; 21 #size-cells = <2>; 28 stdout-path = "serial0:115200n8"; [all …]
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/linux/drivers/cpuidle/governors/ |
H A D | menu.c | 1 // SPDX-License-Identifier: GPL-2.0-only 3 * menu.c - the menu idle governor 5 * Copyright (C) 2006-2007 Adam Belay <abelay@novell.com> 40 * ----------------------- 43 * provides us this duration in the "target_residency" field. So all that we 68 * Repeatable-interval-detector 69 * ---------------------------- 79 * --------------------------- 88 * This rule-of-thumb is implemented using a performance-multiplier: 122 * This allows us to calculate in which_bucket() [all …]
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/linux/arch/arm/boot/dts/arm/ |
H A D | vexpress-v2p-ca15_a7.dts | 1 // SPDX-License-Identifier: GPL-2.0 6 * Cortex-A15_A7 MPCore (V2P-CA15_A7) 8 * HBI-0249A 11 /dts-v1/; 12 #include "vexpress-v2m-rs1.dtsi" 15 model = "V2P-CA15_CA7"; 18 compatible = "arm,vexpress,v2p-ca15_a7", "arm,vexpress"; 19 interrupt-parent = <&gic>; 20 #address-cells = <2>; 21 #size-cells = <2>; [all …]
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/linux/arch/arm64/boot/dts/freescale/ |
H A D | fsl-ls2088a.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT) 3 * Device Tree Include file for Freescale Layerscape-2088A family SoC. 12 #include <dt-bindings/clock/fsl,qoriq-clockgen.h> 13 #include "fsl-ls208xa.dtsi" 17 compatible = "arm,cortex-a72-pmu"; 25 compatible = "arm,cortex-a72"; 28 cpu-idle-states = <&CPU_PW20>; 29 next-level-cache = <&cluster0_l2>; 30 #cooling-cells = <2>; 35 compatible = "arm,cortex-a72"; [all …]
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H A D | fsl-ls2080a.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT) 3 * Device Tree Include file for Freescale Layerscape-2080A family SoC. 5 * Copyright 2014-2016 Freescale Semiconductor, Inc. 12 #include <dt-bindings/clock/fsl,qoriq-clockgen.h> 13 #include "fsl-ls208xa.dtsi" 17 compatible = "arm,cortex-a57-pmu"; 25 compatible = "arm,cortex-a57"; 28 cpu-idle-states = <&CPU_PW20>; 29 next-level-cache = <&cluster0_l2>; 30 #cooling-cells = <2>; [all …]
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/linux/arch/arm64/boot/dts/hisilicon/ |
H A D | hi3660.dtsi | 1 // SPDX-License-Identifier: GPL-2.0 8 #include <dt-bindings/interrupt-controller/arm-gic.h> 9 #include <dt-bindings/clock/hi3660-clock.h> 10 #include <dt-bindings/thermal/thermal.h> 14 interrupt-parent = <&gic>; 15 #address-cells = <2>; 16 #size-cells = <2>; 19 compatible = "arm,psci-0.2"; 24 #address-cells = <2>; 25 #size-cells = <0>; [all …]
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/linux/arch/arm64/boot/dts/mediatek/ |
H A D | mt8516.dtsi | 1 // SPDX-License-Identifier: GPL-2.0 8 #include <dt-bindings/clock/mt8516-clk.h> 9 #include <dt-bindings/interrupt-controller/arm-gic.h> 10 #include <dt-bindings/interrupt-controller/irq.h> 11 #include <dt-bindings/phy/phy.h> 13 #include "mt8516-pinfunc.h" 17 interrupt-parent = <&sysirq>; 18 #address-cells = <2>; 19 #size-cells = <2>; 21 cluster0_opp: opp-table-0 { [all …]
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H A D | mt8365.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0 OR MIT) 10 #include <dt-bindings/clock/mediatek,mt8365-clk.h> 11 #include <dt-bindings/interrupt-controller/arm-gic.h> 12 #include <dt-bindings/interrupt-controller/irq.h> 13 #include <dt-bindings/phy/phy.h> 14 #include <dt-bindings/power/mediatek,mt8365-power.h> 18 interrupt-parent = <&sysirq>; 19 #address-cells = <2>; 20 #size-cells = <2>; 23 #address-cells = <1>; [all …]
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