| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/power/ |
| 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#
7 title: PM Domain Idle States binding description
10 - Ulf Hansson <ulf.hansson@linaro.org>
13 A domain idle state node represents the state parameters that will be used to
14 select the state when there are no active components in the PM domain.
18 const: domain-idle-states
21 "^(cpu|cluster|domain)-":
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| 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>
19 This device tree binding can be used to bind PM domain consumer devices with
20 their PM domains provided by PM domain providers. A PM domain provider can be
23 phandle arguments (so called PM domain specifiers) of length specified by the
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/power/ |
| 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#
7 title: PM Domain Idle States
10 - Ulf Hansson <ulf.hansson@linaro.org>
13 A domain idle state node represents the state parameters that will be used to
14 select the state when there are no active components in the PM domain.
18 const: domain-idle-states
21 "^(cpu|cluster|domain)-":
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| 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>
19 This device tree binding can be used to bind PM domain consumer devices with
20 their PM domains provided by PM domain providers. A PM domain provider can be
23 phandle arguments (so called PM domain specifiers) of length specified by the
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/arm/ |
| D | psci.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Power State Coordination Interface (PSCI)
10 - Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
14 ARM DEN 0022A ("Power State Coordination Interface System Software on ARM
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
31 [2] Power State Coordination Interface (PSCI) specification
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/arm/ |
| D | psci.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Power State Coordination Interface (PSCI)
10 - Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
14 ARM DEN 0022A ("Power State Coordination Interface System Software on ARM
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
31 [2] Power State Coordination Interface (PSCI) specification
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| /kernel/linux/linux-6.6/arch/arm64/boot/dts/qcom/ |
| 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;
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| D | sm4450.dtsi | 1 // SPDX-License-Identifier: BSD-3-Clause
6 #include <dt-bindings/gpio/gpio.h>
7 #include <dt-bindings/interrupt-controller/arm-gic.h>
10 interrupt-parent = <&intc>;
12 #address-cells = <2>;
13 #size-cells = <2>;
18 xo_board: xo-board {
19 compatible = "fixed-clock";
20 clock-frequency = <76800000>;
21 #clock-cells = <0>;
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| 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/interrupt-controller/arm-gic.h>
12 #include <dt-bindings/power/qcom,rpmhpd.h>
13 #include <dt-bindings/power/qcom-rpmpd.h>
14 #include <dt-bindings/soc/qcom,rpmh-rsc.h>
17 #address-cells = <2>;
18 #size-cells = <2>;
19 interrupt-parent = <&intc>;
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| 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 */
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| D | sdm670.dtsi | 1 // SPDX-License-Identifier: GPL-2.0
9 #include <dt-bindings/clock/qcom,gcc-sdm845.h>
10 #include <dt-bindings/clock/qcom,rpmh.h>
11 #include <dt-bindings/dma/qcom-gpi.h>
12 #include <dt-bindings/gpio/gpio.h>
13 #include <dt-bindings/interconnect/qcom,osm-l3.h>
14 #include <dt-bindings/interconnect/qcom,sdm670-rpmh.h>
15 #include <dt-bindings/interrupt-controller/arm-gic.h>
16 #include <dt-bindings/phy/phy-qcom-qusb2.h>
17 #include <dt-bindings/power/qcom-rpmpd.h>
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| D | sm6375.dtsi | 1 // SPDX-License-Identifier: BSD-3-Clause
6 #include <dt-bindings/clock/qcom,rpmcc.h>
7 #include <dt-bindings/clock/qcom,sm6375-gcc.h>
8 #include <dt-bindings/clock/qcom,sm6375-gpucc.h>
9 #include <dt-bindings/dma/qcom-gpi.h>
10 #include <dt-bindings/firmware/qcom,scm.h>
11 #include <dt-bindings/interconnect/qcom,osm-l3.h>
12 #include <dt-bindings/interrupt-controller/arm-gic.h>
13 #include <dt-bindings/mailbox/qcom-ipcc.h>
14 #include <dt-bindings/power/qcom-rpmpd.h>
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| /kernel/linux/linux-6.6/drivers/cpuidle/ |
| D | cpuidle-riscv-sbi.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * RISC-V SBI CPU idle driver.
9 #define pr_fmt(fmt) "cpuidle-riscv-sbi: " fmt
39 u32 state; member
48 static inline void sbi_set_domain_state(u32 state) in sbi_set_domain_state() argument
52 data->available = true; in sbi_set_domain_state()
53 data->state = state; in sbi_set_domain_state()
60 return data->state; in sbi_get_domain_state()
67 data->available = false; in sbi_clear_domain_state()
74 return data->available; in sbi_is_domain_state_available()
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| D | dt_idle_genpd.c | 1 // SPDX-License-Identifier: GPL-2.0-only
12 #define pr_fmt(fmt) "dt-idle-genpd: " fmt
29 u32 state, *state_buf; in pd_parse_state_nodes() local
32 ret = parse_state(to_of_node(states[i].fwnode), &state); in pd_parse_state_nodes()
38 ret = -ENOMEM; in pd_parse_state_nodes()
41 *state_buf = state; in pd_parse_state_nodes()
48 i--; in pd_parse_state_nodes()
49 for (; i >= 0; i--) in pd_parse_state_nodes()
61 /* Parse the domain idle states. */ in pd_parse_states()
66 /* Fill out the dt specifics for each found state. */ in pd_parse_states()
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| D | cpuidle-psci.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * PSCI CPU idle driver.
29 #include "cpuidle-psci.h"
41 void psci_set_domain_state(u32 state) in psci_set_domain_state() argument
43 __this_cpu_write(domain_state, state); in psci_set_domain_state()
56 u32 *states = data->psci_states; in __psci_enter_domain_idle_state()
57 struct device *pd_dev = data->dev; in __psci_enter_domain_idle_state()
58 u32 state; in __psci_enter_domain_idle_state() local
63 return -1; in __psci_enter_domain_idle_state()
71 state = psci_get_domain_state(); in __psci_enter_domain_idle_state()
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| /kernel/linux/linux-6.6/Documentation/trace/coresight/ |
| D | coresight-cpu-debug.rst | 9 ------------
11 Coresight CPU debug module is defined in ARMv8-a architecture reference manual
13 debug module and it is mainly used for two modes: self-hosted debug and
16 explore debugging method which rely on self-hosted debug mode, this document
19 The debug module provides sample-based profiling extension, which can be used
20 to sample CPU program counter, secure state and exception level, etc; usually
21 every CPU has one dedicated debug module to be connected. Based on self-hosted
29 --------------
31 - During driver registration, it uses EDDEVID and EDDEVID1 - two device ID
32 registers to decide if sample-based profiling is implemented or not. On some
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| /kernel/linux/linux-5.10/Documentation/trace/coresight/ |
| D | coresight-cpu-debug.rst | 9 ------------
11 Coresight CPU debug module is defined in ARMv8-a architecture reference manual
13 debug module and it is mainly used for two modes: self-hosted debug and
16 explore debugging method which rely on self-hosted debug mode, this document
19 The debug module provides sample-based profiling extension, which can be used
20 to sample CPU program counter, secure state and exception level, etc; usually
21 every CPU has one dedicated debug module to be connected. Based on self-hosted
29 --------------
31 - During driver registration, it uses EDDEVID and EDDEVID1 - two device ID
32 registers to decide if sample-based profiling is implemented or not. On some
[all …]
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| /kernel/linux/linux-5.10/drivers/cpuidle/ |
| D | cpuidle-psci.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * PSCI CPU idle driver.
28 #include "cpuidle-psci.h"
40 void psci_set_domain_state(u32 state) in psci_set_domain_state() argument
42 __this_cpu_write(domain_state, state); in psci_set_domain_state()
50 static inline int psci_enter_state(int idx, u32 state) in psci_enter_state() argument
52 return CPU_PM_CPU_IDLE_ENTER_PARAM(psci_cpu_suspend_enter, idx, state); in psci_enter_state()
59 u32 *states = data->psci_states; in psci_enter_domain_idle_state()
60 struct device *pd_dev = data->dev; in psci_enter_domain_idle_state()
61 u32 state; in psci_enter_domain_idle_state() local
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| D | cpuidle-psci-domain.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * PM domains for CPUs via genpd - managed by cpuidle-psci.
22 #include "cpuidle-psci.h"
34 struct genpd_power_state *state = &pd->states[pd->state_idx]; in psci_pd_power_off() local
37 if (!state->data) in psci_pd_power_off()
41 return -EBUSY; in psci_pd_power_off()
43 /* OSI mode is enabled, set the corresponding domain state. */ in psci_pd_power_off()
44 pd_state = state->data; in psci_pd_power_off()
64 ret = -ENOMEM; in psci_pd_parse_state_nodes()
74 i--; in psci_pd_parse_state_nodes()
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| /kernel/linux/linux-6.6/drivers/base/power/ |
| D | domain_governor.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * drivers/base/power/domain_governor.c - Governors for device PM domains.
21 if (dev->power.subsys_data && dev->power.subsys_data->domain_data) { in dev_update_qos_constraint()
22 struct gpd_timing_data *td = dev_gpd_data(dev)->td; in dev_update_qos_constraint()
25 * Only take suspend-time QoS constraints of devices into in dev_update_qos_constraint()
31 constraint_ns = td ? td->effective_constraint_ns : in dev_update_qos_constraint()
35 * The child is not in a domain and there's no info on its in dev_update_qos_constraint()
51 * default_suspend_ok - Default PM domain governor routine to suspend devices.
56 struct gpd_timing_data *td = dev_gpd_data(dev)->td; in default_suspend_ok()
62 spin_lock_irqsave(&dev->power.lock, flags); in default_suspend_ok()
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| /kernel/linux/linux-6.6/arch/arm/mach-omap2/ |
| D | pm33xx-core.c | 1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2016-2018 Texas Instruments Incorporated - https://www.ti.com/
18 #include <linux/platform_data/gpio-omap.h>
33 #include "omap-secure.h"
52 return -ENOMEM; in am43xx_map_scu()
60 pr_warn("WARNING: This platform does not support off-mode, entering DeepSleep suspend.\n"); in am33xx_check_off_mode_enable()
69 * Check for am437x-gp-evm which has the right Hardware design to in am43xx_check_off_mode_enable()
72 if (of_machine_is_compatible("ti,am437x-gp-evm") && enable_off_mode) in am43xx_check_off_mode_enable()
75 pr_warn("WARNING: This platform does not support off-mode, entering DeepSleep suspend.\n"); in am43xx_check_off_mode_enable()
80 static int amx3_common_init(int (*idle)(u32 wfi_flags)) in amx3_common_init()
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| D | clockdomain.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
6 * Copyright (C) 2008-2011 Nokia Corporation
29 * CLKDM_MISSING_IDLE_REPORTING: The idle status of the IP blocks and
31 * the PRCM when determining whether the clockdomain is idle.
33 * hardware-supervised idle mode, the PRCM may transition the
34 * enclosing powerdomain to a low power state, even when devices
38 * force-sleep mode, then the HW_AUTO mode will be used to put the
40 * the force-wakeup mode, then it will be used whenever a clock or
58 * struct clkdm_autodep - clkdm deps to add when entering/exiting hwsup mode
59 * @clkdm: clockdomain to add wkdep+sleepdep on - set name member only
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| /kernel/linux/linux-5.10/arch/arm/mach-omap2/ |
| D | pm33xx-core.c | 1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2016-2018 Texas Instruments Incorporated - https://www.ti.com/
18 #include <linux/platform_data/gpio-omap.h>
34 #include "omap-secure.h"
53 return -ENOMEM; in am43xx_map_scu()
61 pr_warn("WARNING: This platform does not support off-mode, entering DeepSleep suspend.\n"); in am33xx_check_off_mode_enable()
70 * Check for am437x-gp-evm which has the right Hardware design to in am43xx_check_off_mode_enable()
73 if (of_machine_is_compatible("ti,am437x-gp-evm") && enable_off_mode) in am43xx_check_off_mode_enable()
76 pr_warn("WARNING: This platform does not support off-mode, entering DeepSleep suspend.\n"); in am43xx_check_off_mode_enable()
81 static int amx3_common_init(int (*idle)(u32 wfi_flags)) in amx3_common_init()
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| D | clockdomain.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
6 * Copyright (C) 2008-2011 Nokia Corporation
29 * CLKDM_MISSING_IDLE_REPORTING: The idle status of the IP blocks and
31 * the PRCM when determining whether the clockdomain is idle.
33 * hardware-supervised idle mode, the PRCM may transition the
34 * enclosing powerdomain to a low power state, even when devices
38 * force-sleep mode, then the HW_AUTO mode will be used to put the
40 * the force-wakeup mode, then it will be used whenever a clock or
57 * struct clkdm_autodep - clkdm deps to add when entering/exiting hwsup mode
58 * @clkdm: clockdomain to add wkdep+sleepdep on - set name member only
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| /kernel/linux/linux-5.10/Documentation/ABI/testing/ |
| D | sysfs-class-regulator | 1 What: /sys/class/regulator/.../state
7 state. This reports the regulator enable control, for
20 supplying power to the system (unless some non-Linux
23 'unknown' means software cannot determine the state, or
24 the reported state is invalid.
38 - off
39 - on
40 - error
41 - fast
42 - normal
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