| /linux/drivers/base/power/ |
| H A D | wakeup_stats.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Wakeup statistics in sysfs
6 * Copyright (c) 2019 Greg Kroah-Hartman <gregkh@linuxfoundation.org>
29 return sysfs_emit(buf, "%lu\n", ws->_name); \
43 ws->active ? ktime_sub(ktime_get(), ws->last_time) : 0; in active_time_ms_show()
54 ktime_t total_time = ws->total_time; in total_time_ms_show()
56 if (ws->active) { in total_time_ms_show()
57 active_time = ktime_sub(ktime_get(), ws->last_time); in total_time_ms_show()
70 ktime_t max_time = ws->max_time; in max_time_ms_show()
72 if (ws->active) { in max_time_ms_show()
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| /linux/include/trace/events/ |
| H A D | timer_migration.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
25 __entry->group = group;
26 __entry->lvl = group->level;
27 __entry->numa_node = group->numa_node;
31 __entry->group, __entry->lvl, __entry->numa_node)
42 __field( void *, parent )
50 __entry->child = child;
51 __entry->parent = child->parent;
52 __entry->lvl = child->parent->level;
53 __entry->numa_node = child->parent->numa_node;
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| /linux/drivers/acpi/ |
| H A D | device_pm.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * drivers/acpi/device_pm.c - ACPI device power management routines.
27 * acpi_power_state_string - String representation of ACPI device power state.
53 status = acpi_evaluate_integer(device->handle, "_PSC", NULL, &psc); in acpi_dev_pm_explicit_get()
55 return -ENODEV; in acpi_dev_pm_explicit_get()
62 * acpi_device_get_power - Get power state of an ACPI device.
67 * update its parent's power.state field (when the parent's power state is
78 struct acpi_device *parent; in acpi_device_get_power() local
82 return -EINVAL; in acpi_device_get_power()
84 parent = acpi_dev_parent(device); in acpi_device_get_power()
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| /linux/Documentation/devicetree/bindings/interrupt-controller/ |
| H A D | interrupts.txt | 5 -------------------------
8 "interrupts" property, an "interrupts-extended" property, or both. If both are
16 interrupt-parent = <&intc1>;
19 The "interrupt-parent" property is used to specify the controller to which
22 interrupt client node or in any of its parent nodes. Interrupts listed in the
23 "interrupts" property are always in reference to the node's interrupt parent.
25 The "interrupts-extended" property is a special form; useful when a node needs
26 to reference multiple interrupt parents or a different interrupt parent than
27 the inherited one. Each entry in this property contains both the parent phandle
31 interrupts-extended = <&intc1 5 1>, <&intc2 1 0>;
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| /linux/Documentation/devicetree/bindings/net/ |
| H A D | marvell-bt-8xxx.txt | 2 ------
9 - compatible : should be one of the following:
10 * "marvell,sd8897-bt" (for SDIO)
11 * "marvell,sd8997-bt" (for SDIO)
16 - marvell,cal-data: Calibration data downloaded to the device during
20 - marvell,wakeup-pin: It represents wakeup pin number of the bluetooth chip.
21 firmware will use the pin to wakeup host system (u16).
22 - marvell,wakeup-gap-ms: wakeup gap represents wakeup latency of the host
25 - interrupt-names: Used only for USB based devices (See below)
26 - interrupts : specifies the interrupt pin number to the cpu. For SDIO, the
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| H A D | btusb.txt | 2 ---------------------------------------------------
6 - compatible : should comply with the format "usbVID,PID" specified in
7 Documentation/devicetree/bindings/usb/usb-device.yaml
13 "usb4ca,301a" (Qualcomm QCA6174A (Lite-On))
17 Documentation/devicetree/bindings/net/marvell-bt-8xxx.txt
21 - interrupt-names: (see below)
22 - interrupts : The interrupt specified by the name "wakeup" is the interrupt
23 that shall be used for out-of-band wake-on-bt. Driver will
24 request this interrupt for wakeup. During system suspend, the
25 irq will be enabled so that the bluetooth chip can wakeup host
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| /linux/drivers/input/keyboard/ |
| H A D | gpio_keys.c | 1 // SPDX-License-Identifier: GPL-2.0-only
31 #include <dt-bindings/input/gpio-keys.h>
41 unsigned int release_delay; /* in msecs, for IRQ-only buttons */
45 unsigned int software_debounce; /* in msecs, for GPIO-driven buttons */
69 * There are 4 attributes under /sys/devices/platform/gpio-keys/
70 * keys [ro] - bitmap of keys (EV_KEY) which can be
72 * switches [ro] - bitmap of switches (EV_SW) which can be
74 * disabled_keys [rw] - bitmap of keys currently disabled
75 * disabled_switches [rw] - bitmap of switches currently disabled
81 * For example, if we have following switches set up as gpio-keys:
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| H A D | snvs_pwrkey.c | 1 // SPDX-License-Identifier: GPL-2.0+
39 int wakeup; member
48 struct input_dev *input = pdata->input; in imx_imx_snvs_check_for_events()
51 regmap_read(pdata->snvs, SNVS_HPSR_REG, &state); in imx_imx_snvs_check_for_events()
55 if (state ^ pdata->keystate) { in imx_imx_snvs_check_for_events()
56 pdata->keystate = state; in imx_imx_snvs_check_for_events()
57 input_event(input, EV_KEY, pdata->keycode, state); in imx_imx_snvs_check_for_events()
59 pm_relax(pdata->input->dev.parent); in imx_imx_snvs_check_for_events()
64 mod_timer(&pdata->check_timer, in imx_imx_snvs_check_for_events()
73 struct input_dev *input = pdata->input; in imx_snvs_pwrkey_interrupt()
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| /linux/Documentation/devicetree/bindings/rtc/ |
| H A D | isil,isl12057.txt | 8 ("wakeup-source") to handle the specific use-case found
9 on at least three in-tree users of the chip (NETGEAR ReadyNAS 102, 104
10 and 2120 ARM-based NAS); On those devices, the IRQ#2 pin of the chip
13 RTC alarm rings. In order to mark the device has a wakeup source and
20 - "compatible": must be "isil,isl12057"
21 - "reg": I2C bus address of the device
25 - "wakeup-source": mark the chip as a wakeup source, independently of
38 that the pinctrl-related properties below are given for completeness and
41 "interrupt-parent" and "interrupts" are usually sufficient):
60 pinctrl-0 = <&rtc_alarm_pin>;
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| H A D | ingenic,rtc.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Ingenic SoCs Real-Time Clock
10 - Paul Cercueil <paul@crapouillou.net>
13 - $ref: rtc.yaml#
14 - if:
20 - ingenic,jz4770-rtc
21 - ingenic,jz4780-rtc
24 "#clock-cells": false
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| /linux/Documentation/devicetree/bindings/pinctrl/ |
| H A D | samsung,pinctrl.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Krzysztof Kozlowski <krzk@kernel.org>
11 - Sylwester Nawrocki <s.nawrocki@samsung.com>
12 - Tomasz Figa <tomasz.figa@gmail.com>
22 - External GPIO interrupts (see interrupts property in pin controller node);
24 - External wake-up interrupts - multiplexed (capable of waking up the system
25 see interrupts property in external wake-up interrupt controller node -
26 samsung,pinctrl-wakeup-interrupt.yaml);
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| /linux/Documentation/devicetree/bindings/mfd/ |
| H A D | tc3589x.txt | 1 * Toshiba TC3589x multi-purpose expander
3 The Toshiba TC3589x series are I2C-based MFD devices which may expose the
4 following built-in devices: gpio, keypad, rotator (vibrator), PWM (for
7 - TC35890
8 - TC35892
9 - TC35893
10 - TC35894
11 - TC35895
12 - TC35896
15 - compatible : must be "toshiba,tc35890", "toshiba,tc35892", "toshiba,tc35893",
[all …]
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| /linux/Documentation/driver-api/pm/ |
| H A D | devices.rst | 1 .. SPDX-License-Identifier: GPL-2.0
10 :Copyright: |copy| 2010-2011 Rafael J. Wysocki <rjw@sisk.pl>, Novell Inc.
18 management (PM) code is also driver-specific. Most drivers will do very
22 This writeup gives an overview of how drivers interact with system-wide
25 background for the domain-specific work you'd do with any specific driver.
31 Drivers will use one or both of these models to put devices into low-power
36 Drivers can enter low-power states as part of entering system-wide
37 low-power states like "suspend" (also known as "suspend-to-RAM"), or
39 "suspend-to-disk").
42 by implementing various role-specific suspend and resume methods to
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| /linux/Documentation/devicetree/bindings/power/ |
| H A D | wakeup-source.txt | 1 Specifying wakeup capability for devices
5 ----------------
6 Nodes that describe devices which have wakeup capability may contain a
7 "wakeup-source" boolean property.
9 If the device is marked as a wakeup-source, interrupt wake capability depends
10 on the device specific "interrupt-names" property. If no interrupts are labeled
14 However if a device has a dedicated interrupt as the wakeup source, then it
16 cases only that interrupt can be used as a wakeup interrupt.
18 While various legacy interrupt names exist, new devices should use "wakeup" as
22 ---------------------------------------------------------
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| /linux/Documentation/devicetree/bindings/remoteproc/ |
| H A D | wkup_m3_rproc.txt | 1 TI Wakeup M3 Remoteproc Driver
4 The TI AM33xx and AM43xx family of devices use a small Cortex M3 co-processor
5 (commonly referred to as Wakeup M3 or CM3) to help with various low power tasks
12 A wkup_m3 device node is used to represent the Wakeup M3 processor instance
13 within the SoC. It is added as a child node of the parent interconnect bus
17 --------------------
18 - compatible: Should be one of,
19 "ti,am3352-wkup-m3" for AM33xx SoCs
20 "ti,am4372-wkup-m3" for AM43xx SoCs
21 - reg: Should contain the address ranges for the two internal
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| /linux/kernel/time/ |
| H A D | timer_migration.c | 1 // SPDX-License-Identifier: GPL-2.0-only
15 #include "tick-internal.h"
34 * GRP0:0 - GRP0:2 GRP0:3 - GRP0:5
37 * CPUS 0-7 8-15 16-23 24-31 32-39 40-47
55 * group and the parent groups if required.
67 * the event is ignored even if it is still enqueued in the parent groups
86 * ---------------
96 * --------------
99 * child and parent group. The lock ordering is always bottom up. This also
102 * the per CPU tmigr_cpu->lock is held.
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| H A D | timer_migration.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
9 * struct tmigr_event - a timer event associated to a CPU
10 * @nextevt: The node to enqueue an event in the parent group queue
22 * struct tmigr_group - timer migration hierarchy group
25 * @parent: Pointer to the parent group. Pointer is updated when a
28 * not be removed or updated. When accessing parent pointe
63 struct tmigr_group *parent; global() member
105 u64 wakeup; global() member
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| /linux/drivers/pmdomain/xilinx/ |
| H A D | zynqmp-pm-domains.c | 1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2015-2019 Xilinx, Inc.
20 #include <linux/firmware/xlnx-zynqmp.h>
27 * struct zynqmp_pm_domain - Wrapper around struct generic_pm_domain
42 * zynqmp_gpd_is_active_wakeup_path() - Check if device is in wakeup source
44 * @dev: Device to check for wakeup source path
48 * set as wakeup source.
50 * Return: 1 if device is in wakeup source path else 0
65 * zynqmp_gpd_power_on() - Power on PM domain
78 ret = zynqmp_pm_set_requirement(pd->node_id, in zynqmp_gpd_power_on()
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| /linux/arch/arm/boot/dts/ti/omap/ |
| H A D | omap3-gta04a3.dts | 1 // SPDX-License-Identifier: GPL-2.0-only
6 #include "omap3-gta04.dtsi"
18 interrupt-parent = <&gpio3>;
20 Vdd-supply = <&vaux2>;
21 Vdd_IO-supply = <&vaux2>;
23 st,click-single-x;
24 st,click-single-y;
25 st,click-single-z;
26 st,click-thresh-x = <8>;
27 st,click-thresh-y = <8>;
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| H A D | omap3-pandora-common.dtsi | 1 // SPDX-License-Identifier: GPL-2.0-only
9 #include <dt-bindings/input/input.h>
14 cpu0-supply = <&vcc>;
29 #clock-cells = <0>;
30 compatible = "fixed-clock";
31 clock-frequency = <26000000>;
35 compatible = "connector-analog-tv";
40 remote-endpoint = <&venc_out>;
45 gpio-leds {
47 compatible = "gpio-leds";
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| /linux/arch/arm64/boot/dts/mediatek/ |
| H A D | mt7981b.dtsi | 1 // SPDX-License-Identifier: GPL-2.0-only OR MIT
3 #include <dt-bindings/clock/mediatek,mt7981-clk.h>
4 #include <dt-bindings/interrupt-controller/arm-gic.h>
5 #include <dt-bindings/reset/mt7986-resets.h>
9 interrupt-parent = <&gic>;
10 #address-cells = <2>;
11 #size-cells = <2>;
14 #address-cells = <1>;
15 #size-cells = <0>;
18 compatible = "arm,cortex-a53";
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| /linux/Documentation/devicetree/bindings/iio/accel/ |
| H A D | lis302.txt | 8 - compatible: should be set to "st,lis3lv02d-spi"
9 - reg: the chipselect index
10 - spi-max-frequency: maximal bus speed, should be set to 1000000 unless
12 - interrupts: the interrupt generated by the device
15 - compatible: should be set to "st,lis3lv02d"
16 - reg: i2c slave address
17 - Vdd-supply: The input supply for Vdd
18 - Vdd_IO-supply: The input supply for Vdd_IO
23 - st,click-single-{x,y,z}: if present, tells the device to issue an
26 - st,click-double-{x,y,z}: if present, tells the device to issue an
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| /linux/Documentation/devicetree/bindings/power/supply/ |
| H A D | maxim,max17040.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sebastian Reichel <sre@kernel.org>
13 - $ref: power-supply.yaml#
18 - maxim,max17040
19 - maxim,max17041
20 - maxim,max17043
21 - maxim,max17044
22 - maxim,max17048
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| /linux/arch/arm64/boot/dts/rockchip/ |
| H A D | rk3399-rock-pi-4b-plus.dts | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 /dts-v1/;
8 #include "rk3399-op1.dtsi"
9 #include "rk3399-rock-pi-4.dtsi"
13 compatible = "radxa,rockpi4b-plus", "radxa,rockpi4", "rockchip,rk3399";
21 pinctrl-0 = <&hp_detect &hp_int>;
22 pinctrl-names = "default";
23 interrupt-parent = <&gpio1>;
31 compatible = "brcm,bcm4329-fmac";
33 interrupt-parent = <&gpio0>;
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| /linux/arch/arm/boot/dts/samsung/ |
| H A D | s3c64xx.dtsi | 1 // SPDX-License-Identifier: GPL-2.0
16 #include <dt-bindings/clock/samsung,s3c64xx-clock.h>
19 #address-cells = <1>;
20 #size-cells = <1>;
32 #address-cells = <1>;
33 #size-cells = <0>;
37 compatible = "arm,arm1176jzf-s";
43 compatible = "simple-bus";
44 #address-cells = <1>;
45 #size-cells = <1>;
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