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/linux/tools/power/x86/x86_energy_perf_policy/
H A Dx86_energy_perf_policy.81 .\" This page Copyright (C) 2010 - 2015 Len Brown <len.brown@intel.com>
5 x86_energy_perf_policy \- Manage Energy vs. Performance Policy via x86 Model Specific Registers
10 .RB "scope: \-\-cpu\ cpu-list | \-\-pkg\ pkg-list"
12 .RB "cpu-list, pkg-list: # | #,# | #-# | all"
14 .RB "field: \-\-all | \-\-epb | \-\-hwp-epp | \-\-hwp-min | \-\-hwp-max | \-\-hwp-desired"
16 .RB "other: (\-\-force | \-\-hwp-enable | \-\-turbo-enable) value)"
18 .RB "value: # | default | performance | balance-performance | balance-power | power"
21 displays and updates energy-performance policy settings specific to
23 updates, no matter if the Linux cpufreq sub-system is enabled or not.
27 such as how aggressively the hardware enters and exits CPU idle states (C-states)
[all …]
/linux/Documentation/devicetree/bindings/regulator/
H A Dsamsung,s5m8767.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Samsung S5M8767 Power Management IC regulators
10 - Krzysztof Kozlowski <krzk@kernel.org>
13 This is a part of device tree bindings for S2M and S5M family of Power
23 "^LDO([1-9]|1[0-9]|2[0-8])$":
36 Describes the different operating modes of the LDO's with power mode
38 0 - always off mode
39 1 - on in normal mode
[all …]
H A Dmaxim,max77802.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Maxim MAX77802 Power Management IC regulators
10 - Javier Martinez Canillas <javier@dowhile0.org>
11 - Krzysztof Kozlowski <krzk@kernel.org>
14 This is a part of device tree bindings for Maxim MAX77802 Power Management
17 The Maxim MAX77686 provides 10 high-efficiency Buck and 32 Low-DropOut (LDO)
23 Certain regulators support "regulator-initial-mode" and "regulator-mode".
24 The valid modes list is defined in the dt-bindings/regulator/maxim,max77802.h
[all …]
/linux/drivers/rtc/
H A Drtc-sc27xx.c1 // SPDX-License-Identifier: GPL-2.0
92 /* power control/status definition */
113 * The Spreadtrum RTC controller has 3 groups registers, including time, normal
115 * the normal alarm registers are used to set normal alarm, and the auxiliary
118 * event can power up system from power down status.
128 return regmap_write(rtc->regmap, rtc->base + SPRD_RTC_INT_CLR, in sprd_rtc_clear_alarm_ints()
137 ret = regmap_read(rtc->regmap, rtc->base + SPRD_RTC_SPG_VALUE, &val); in sprd_rtc_lock_alarm()
147 ret = regmap_write(rtc->regmap, rtc->base + SPRD_RTC_SPG_UPD, val); in sprd_rtc_lock_alarm()
152 ret = regmap_read_poll_timeout(rtc->regmap, in sprd_rtc_lock_alarm()
153 rtc->base + SPRD_RTC_INT_RAW_STS, val, in sprd_rtc_lock_alarm()
[all …]
/linux/Documentation/ABI/obsolete/
H A Dsysfs-bus-usb1 What: /sys/bus/usb/devices/.../power/level
7 power/level. This file holds a power-level setting for
11 although normal suspends for system sleep will still
16 During normal use, devices should be left in the "auto"
20 write "0" to power/autosuspend.
26 initializes all non-hub devices in the "on" level. Some
30 Use the power/control file instead; it does exactly the
/linux/Documentation/devicetree/bindings/sound/
H A Dst,sta32x.txt7 - compatible: "st,sta32x"
8 - reg: the I2C address of the device for I2C
9 - reset-gpios: a GPIO spec for the reset pin. If specified, it will be
12 - power-down-gpios: a GPIO spec for the power down pin. If specified,
16 - Vdda-supply: regulator spec, providing 3.3V
17 - Vdd3-supply: regulator spec, providing 3.3V
18 - Vcc-supply: regulator spec, providing 5V - 26V
22 - clocks, clock-names: Clock specifier for XTI input clock.
24 and disabled when it is removed. The 'clock-names' must be set to 'xti'.
26 - st,output-conf: number, Selects the output configuration:
[all …]
H A Dst,sta350.txt7 - compatible: "st,sta350"
8 - reg: the I2C address of the device for I2C
9 - reset-gpios: a GPIO spec for the reset pin. If specified, it will be
12 - power-down-gpios: a GPIO spec for the power down pin. If specified,
16 - vdd-dig-supply: regulator spec, providing 3.3V
17 - vdd-pll-supply: regulator spec, providing 3.3V
18 - vcc-supply: regulator spec, providing 5V - 26V
22 - st,output-conf: number, Selects the output configuration:
23 0: 2-channel (full-bridge) power, 2-channel data-out
24 1: 2 (half-bridge). 1 (full-bridge) on-board power
[all …]
/linux/drivers/firmware/arm_scmi/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
9 set of operating system-independent software interfaces that are
11 interfaces for: Discovery and self-description of the interfaces
12 it supports, Power domain management which is the ability to place
13 a given device or domain into the various power-saving states that
49 bool "Allow SCMI Raw mode coexistence with normal SCMI stack"
52 Allow SCMI Raw transmission mode to coexist with normal SCMI stack.
78 tristate "SCMI system power control driver"
81 This enables System Power control logic which binds system shutdown or
82 reboot actions to SCMI System Power notifications generated by SCP
/linux/Documentation/devicetree/bindings/mmc/
H A Drenesas,mmcif.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Wolfram Sang <wsa+renesas@sang-engineering.com>
13 - $ref: mmc-controller.yaml
18 - enum:
19 - renesas,mmcif-r7s72100 # RZ/A1H
20 - renesas,mmcif-r8a73a4 # R-Mobile APE6
21 - renesas,mmcif-r8a7740 # R-Mobile A1
22 - renesas,mmcif-r8a7742 # RZ/G1H
[all …]
/linux/Documentation/devicetree/bindings/pinctrl/
H A Dnvidia,tegra-pinmux-common.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pinctrl/nvidia,tegra-pinmux-common.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Jonathan Hunter <jonathanh@nvidia.com>
14 Please refer to pinctrl-bindings.txt in this directory for details of the
22 pin configuration parameters, such as pull-up, tristate, drive strength,
46 $ref: /schemas/types.yaml#/definitions/string-array
57 description: Pull-down/up setting to apply to the pin.
[all …]
/linux/Documentation/devicetree/bindings/input/
H A Diqs269a.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jeff LaBundy <jeff@labundy.com>
13 - $ref: input.yaml#
16 The Azoteq IQS269A is an 8-channel capacitive touch controller that features
17 additional Hall-effect and inductive sensing capabilities.
24 - azoteq,iqs269a
25 - azoteq,iqs269a-00
26 - azoteq,iqs269a-d0
[all …]
H A Diqs626a.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jeff LaBundy <jeff@labundy.com>
13 The Azoteq IQS626A is a 14-channel capacitive touch controller that features
14 additional Hall-effect and inductive sensing capabilities.
19 - $ref: touchscreen/touchscreen.yaml#
31 "#address-cells":
34 "#size-cells":
37 azoteq,suspend-mode:
[all …]
/linux/arch/x86/kernel/cpu/
H A Dintel_epb.c1 // SPDX-License-Identifier: GPL-2.0
27 * preference with respect to the power-performance tradeoffs present in the
33 * system-wide transitions from sleep states back into the working state
36 * system-wide transitions to sleep states and restore them on the way back to
42 * a system-wide PM transition is started are not taken offline again, but their
52 * it on CPU bring-up and if the initial EPB value for a given CPU is 0, the
53 * kernel changes it to 6 ('normal').
106 * ('normal'). in intel_epb_restore()
111 pr_warn_once("ENERGY_PERF_BIAS: Set to 'normal', was 'performance'\n"); in intel_epb_restore()
124 [EPB_INDEX_BALANCE_PERFORMANCE] = "balance-performance",
[all …]
/linux/drivers/regulator/
H A Dmax77686-regulator.c1 // SPDX-License-Identifier: GPL-2.0+
3 // max77686.c - Regulator driver for the Maxim 77686
21 #include <linux/mfd/max77686-private.h>
43 * Forcing low power mode: LDO1, 3-5, 9, 13, 17-26
48 * - LDO2, 6-8, 10-12, 14-16
49 * - buck[1234]
52 /* Low power mode controlled by PWRREQ: All LDOs */
54 /* Forcing low power mode: buck[234] */
94 * replaces "normal" mode. Any change from low power mode to normal
96 * Map normal mode to proper value for such regulators.
[all …]
H A Dmax77802-regulator.c1 // SPDX-License-Identifier: GPL-2.0+
3 // max77802.c - Regulator driver for the Maxim 77802
5 // Copyright (C) 2013-2014 Google, Inc
24 #include <linux/mfd/max77686-private.h>
25 #include <dt-bindings/regulator/maxim,max77802.h>
83 return -EINVAL; in max77802_get_opmode_shift()
87 * max77802_set_suspend_disable - Disable the regulator during system suspend
100 if (WARN_ON_ONCE(id >= ARRAY_SIZE(max77802->opmode))) in max77802_set_suspend_disable()
101 return -EINVAL; in max77802_set_suspend_disable()
102 max77802->opmode[id] = val; in max77802_set_suspend_disable()
[all …]
/linux/arch/arm/boot/dts/qcom/
H A Dqcom-apq8060-dragonboard.dts1 // SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 #include <dt-bindings/input/input.h>
3 #include <dt-bindings/gpio/gpio.h>
4 #include <dt-bindings/leds/common.h>
5 #include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
6 #include <dt-bindings/pinctrl/qcom,pmic-mpp.h>
7 #include "qcom-msm8660.dtsi"
12 compatible = "qcom,apq8060-dragonboard", "qcom,msm8660";
19 stdout-path = "serial0:115200n8";
22 /* Main power of the board: 3.7V */
[all …]
H A Dqcom-msm8974-samsung-hlte.dts1 // SPDX-License-Identifier: GPL-2.0
2 #include "qcom-msm8974.dtsi"
5 #include <dt-bindings/input/input.h>
6 #include <dt-bindings/leds/common.h>
7 #include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
12 chassis-type = "handset";
21 stdout-path = "serial0:115200n8";
24 gpio-keys {
25 compatible = "gpio-keys";
27 pinctrl-0 = <&gpio_keys_pin_a>;
[all …]
H A Dqcom-msm8974pro-samsung-klte-common.dtsi1 // SPDX-License-Identifier: GPL-2.0
2 #include "qcom-msm8974pro.dtsi"
4 #include <dt-bindings/input/input.h>
5 #include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
6 #include <dt-bindings/leds/common.h>
9 chassis-type = "handset";
18 stdout-path = "serial0:115200n8";
21 gpio-keys {
22 compatible = "gpio-keys";
24 pinctrl-names = "default";
[all …]
/linux/Documentation/arch/powerpc/
H A Dultravisor.rst1 .. SPDX-License-Identifier: GPL-2.0
15 POWER 9 that enables Secure Virtual Machines (SVMs). DD2.3 chips
16 (PVR=0x004e1203) or greater will be PEF-capable. A new ISA release
20 mode, to POWER architecture. Along with the new mode there is new
22 for short). Ultravisor mode is the highest privileged mode in POWER
25 +------------------+
29 +------------------+
31 +------------------+
33 +------------------+
35 +------------------+
[all …]
/linux/Documentation/devicetree/bindings/power/reset/
H A Dreboot-mode.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/power/reset/reboot-mode.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Andy Yan <andy.yan@rock-chips.com>
20 as mode-xxx = <magic> (xxx is mode name, magic should be a non-zero value).
23 - normal: Normal reboot mode, system reboot with command "reboot".
24 - recovery: Android Recovery mode, it is a mode to format the device or update a new image.
25 …- bootloader: Android fastboot mode, it's a mode to re-flash partitions on the Android based devic…
26 - loader: A bootloader mode, it's a mode used to download image on Rockchip platform,
[all …]
/linux/Documentation/ABI/testing/
H A Dsysfs-bus-iio-vf6103 Contact: linux-iio@vger.kernel.org
6 available modes are "normal", "high-speed" and "low-power",
12 Contact: linux-iio@vger.kernel.org
15 The two available modes are "high-power" and "low-power",
16 where "low-power" mode is the default mode.
/linux/include/linux/regulator/
H A Dconsumer.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * consumer.h -- SoC Regulator consumer support.
11 * A Power Management Regulator framework for SoC based devices.
12 * Features:-
19 * Dynamic Regulator operating Mode Switching (DRMS) - allows regulators
25 * idling. Regulator r has > 90% efficiency in NORMAL mode at loads > 100mA
28 * in normal mode for loads > 10mA and in IDLE mode for load <= 10mA.
47 * output load. This allows further system power savings by selecting the
50 * Most drivers will only care about NORMAL. The modes below are generic and
54 * In order of power efficiency (least efficient at top).
[all …]
/linux/Documentation/devicetree/bindings/phy/
H A Dphy-mapphone-mdm6600.txt4 - compatible Must be "motorola,mapphone-mdm6600"
5 - enable-gpios GPIO to enable the USB PHY
6 - power-gpios GPIO to power on the device
7 - reset-gpios GPIO to reset the device
8 - motorola,mode-gpios Two GPIOs to configure MDM6600 USB start-up mode for
9 normal mode versus USB flashing mode
10 - motorola,cmd-gpios Three GPIOs to control the power state of the MDM6600
11 - motorola,status-gpios Three GPIOs to read the power state of the MDM6600
15 usb-phy {
16 compatible = "motorola,mapphone-mdm6600";
[all …]
/linux/Documentation/sound/designs/
H A Dpowersave.rst2 Notes on Power-Saving Mode
5 AC97 and HD-audio drivers have the automatic power-saving mode.
9 With the automatic power-saving, the driver turns off the codec power
11 the device and/or no analog loopback is set, the power disablement is
12 done fully or partially. It'll save a certain power consumption, thus
15 The time-out for automatic power-off can be specified via ``power_save``
16 module option of snd-ac97-codec and snd-hda-intel modules. Specify
17 the time-out value in seconds. 0 means to disable the automatic
18 power-saving. The default value of timeout is given via
22 reopen the device frequently. 10 would be a good choice for normal
[all …]
/linux/drivers/net/wireless/intel/iwlegacy/
H A Dprph.h8 * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved.
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
33 * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved.
73 /* APMG (power management) constants */
105 * in special SRAM that does not power down when the embedded control
106 * processor is sleeping (e.g. for periodic power-saving shutdowns of radio).
119 * The uCode used for open-source drivers includes two programs:
121 * 1) Initialization -- performs hardware calibration and sets up some
128 * 2) Runtime/Protocol -- performs all normal runtime operations. This
151 * 6) Enable future boot loads whenever NIC's power management triggers it:
[all …]

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