| /linux/Documentation/ABI/testing/ |
| H A D | sysfs-driver-intel-xe-hwmon | 1 What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power1_max
4 Contact: intel-xe@lists.freedesktop.org
5 Description: RW. Card reactive sustained (PL1) power limit in microwatts.
7 The power controller will throttle the operating frequency
8 if the power averaged over a window (typically seconds)
10 power limit is disabled, writing 0 disables the
11 limit. Writing values > 0 and <= TDP will enable the power limit.
15 What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power1_rated_max
18 Contact: intel-xe@lists.freedesktop.org
19 Description: RO. Card default power limit (default TDP setting).
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| H A D | sysfs-driver-intel-i915-hwmon | 1 What: /sys/bus/pci/drivers/i915/.../hwmon/hwmon<i>/in0_input
4 Contact: intel-gfx@lists.freedesktop.org
9 What: /sys/bus/pci/drivers/i915/.../hwmon/hwmon<i>/power1_max
12 Contact: intel-gfx@lists.freedesktop.org
13 Description: RW. Card reactive sustained (PL1/Tau) power limit in microwatts.
15 The power controller will throttle the operating frequency
16 if the power averaged over a window (typically seconds)
18 power limit is disabled, writing 0 disables the
19 limit. Writing values > 0 will enable the power limit.
23 What: /sys/bus/pci/drivers/i915/.../hwmon/hwmon<i>/power1_rated_max
[all …]
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| H A D | sysfs-bus-usb | 1 What: /sys/bus/usb/devices/<INTERFACE>/authorized
9 by writing INTERFACE to /sys/bus/usb/drivers_probe
10 This allows to avoid side-effects with drivers
15 What: /sys/bus/usb/devices/usbX/interface_authorized_default
22 What: /sys/bus/usb/device/.../authorized
28 drivers, non-authorized one are not. By default, wired
31 What: /sys/bus/usb/drivers/.../new_id
33 Contact: linux-usb@vger.kernel.org
48 # echo "8086 10f5" > /sys/bus/usb/drivers/foo/new_id
53 # echo "0458 7045 0 0458 704c" > /sys/bus/usb/drivers/foo/new_id
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| H A D | sysfs-platform-dfl-fme | 1 What: /sys/bus/platform/devices/dfl-fme.0/ports_num
5 Description: Read-only. One DFL FPGA device may have more than 1
9 What: /sys/bus/platform/devices/dfl-fme.0/bitstream_id
13 Description: Read-only. It returns Bitstream (static FPGA region)
17 What: /sys/bus/platform/devices/dfl-fme.0/bitstream_metadata
21 Description: Read-only. It returns Bitstream (static FPGA region) meta
25 What: /sys/bus/platform/devices/dfl-fme.0/cache_size
29 Description: Read-only. It returns cache size of this FPGA device.
31 What: /sys/bus/platform/devices/dfl-fme.0/fabric_version
35 Description: Read-only. It returns fabric version of this FPGA device.
[all …]
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| H A D | sysfs-platform-dptf | 1 What: /sys/bus/platform/devices/INT3407:00/dptf_power/charger_type
4 Contact: linux-acpi@vger.kernel.org
6 (RO) The charger type - Traditional, Hybrid or NVDC.
8 What: /sys/bus/platform/devices/INT3407:00/dptf_power/adapter_rating_mw
11 Contact: linux-acpi@vger.kernel.org
13 (RO) Adapter rating in milliwatts (the maximum Adapter power).
16 What: /sys/bus/platform/devices/INT3407:00/dptf_power/max_platform_power_mw
19 Contact: linux-acpi@vger.kernel.org
21 (RO) Maximum platform power that can be supported by the battery
24 What: /sys/bus/platform/devices/INT3407:00/dptf_power/platform_power_source
[all …]
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| H A D | sysfs-platform-wilco-ec | 1 What: /sys/bus/platform/devices/GOOG000C\:00/boot_on_ac
6 when AC power is connected. This is useful for users who
11 What: /sys/bus/platform/devices/GOOG000C\:00/build_date
18 What: /sys/bus/platform/devices/GOOG000C\:00/build_revision
26 What: /sys/bus/platform/devices/GOOG000C\:00/model_number
34 What: /sys/bus/platform/devices/GOOG000C\:00/usb_charge
41 low power states:
43 - In S0, the port will always provide power.
44 - In S0ix, if usb_charge is enabled, then power will be
46 Else no power is supplied.
[all …]
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| /linux/Documentation/hwmon/ |
| H A D | ina209.rst | 6 * Burr-Brown / Texas Instruments INA209
10 Addresses scanned: -
16 - Paul Hays <Paul.Hays@cattail.ca>
17 - Ira W. Snyder <iws@ovro.caltech.edu>
18 - Guenter Roeck <linux@roeck-us.net>
22 -----------
24 The TI / Burr-Brown INA209 monitors voltage, current, and power on the high side
25 of a D.C. power supply. It can perform measurements and calculations in the
27 calibration multiplier to scale the displayed current and power values.
31 -------------
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| H A D | ina2xx.rst | 10 Addresses: I2C 0x40 - 0x4f
20 Addresses: I2C 0x40 - 0x4f
30 Addresses: I2C 0x40 - 0x4f
40 Addresses: I2C 0x40 - 0x4f
50 Addresses: I2C 0x40 - 0x4f
60 Addresses: I2C 0x40 - 0x4f
70 Addresses: I2C 0x40 - 0x4f
80 -----------
82 The INA219 is a high-side current shunt and power monitor with an I2C
86 The INA220 is a high or low side current shunt and power monitor with an I2C
[all …]
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| /linux/Documentation/devicetree/bindings/bus/ |
| H A D | simple-pm-bus.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/bus/simple-pm-bus.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Simple Power-Managed Bus
10 - Geert Uytterhoeven <geert+renesas@glider.be>
13 A Simple Power-Managed Bus is a transparent bus that doesn't need a real
16 However, its bus controller is part of a PM domain, or under the control
17 of a functional clock. Hence, the bus controller's PM domain and/or
18 clock must be enabled for child devices connected to the bus (either
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| H A D | qcom,ssc-block-bus.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/bus/qcom,ssc-block-bus.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: The AHB Bus Providing a Global View of the SSC Block on (some) qcom SoCs
10 - Michael Srba <Michael.Srba@seznam.cz>
13 This binding describes the dependencies (clocks, resets, power domains) which
14 need to be turned on in a sequence before communication over the AHB bus
27 - const: qcom,msm8998-ssc-block-bus
28 - const: qcom,ssc-block-bus
[all …]
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| /linux/drivers/base/power/ |
| H A D | main.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * drivers/base/power/main.c - Where the driver meets power management.
10 * and add it to the list of power-controlled devices. sysfs entries for
11 * controlling device power management will also be added.
13 * A separate list is used for keeping track of power info, because the power
26 #include <linux/pm-trace.h>
33 #include <trace/events/power.h>
39 #include "power.h"
66 * pm_hibernate_is_recovering - if recovering from hibernate due to error.
104 * device_pm_sleep_init - Initialize system suspend-related device fields.
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| /linux/Documentation/devicetree/bindings/interconnect/ |
| H A D | samsung,exynos-bus.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/interconnect/samsung,exynos-bus.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Samsung Exynos SoC Bus and Interconnect
10 - Chanwoo Choi <cw00.choi@samsung.com>
11 - Krzysztof Kozlowski <krzk@kernel.org>
15 sub-blocks in SoC. Most Exynos SoCs share the common architecture for buses.
16 Generally, each bus of Exynos SoC includes a source clock and a power line,
17 which are able to change the clock frequency of the bus in runtime. To
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| /linux/Documentation/usb/ |
| H A D | chipidea.rst | 6 -----------------------------------
12 -------------------------
29 otg-rev = <0x0200>;
30 adp-disable;
33 -------------------
35 1) Power up 2 Freescale i.MX6Q sabre SD boards with gadget class driver loaded
41 The A-device (with micro A plug inserted) should enumerate B-device.
45 On B-device::
47 echo 1 > /sys/bus/platform/devices/ci_hdrc.0/inputs/b_bus_req
49 B-device should take host role and enumerate A-device.
[all …]
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| /linux/Documentation/devicetree/bindings/soc/imx/ |
| H A D | fsl,imx8mm-vpu-blk-ctrl.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/soc/imx/fsl,imx8mm-vpu-blk-ctrl.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: NXP i.MX8MM VPU blk-ctrl
10 - Lucas Stach <l.stach@pengutronix.de>
13 The i.MX8MM VPU blk-ctrl is a top-level peripheral providing access to
14 the NoC and ensuring proper power sequencing of the VPU peripherals
20 - const: fsl,imx8mm-vpu-blk-ctrl
21 - const: syscon
[all …]
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| /linux/arch/arm/boot/dts/samsung/ |
| H A D | exynos5420.dtsi | 1 // SPDX-License-Identifier: GPL-2.0
14 #include <dt-bindings/clock/exynos5420.h>
15 #include <dt-bindings/clock/exynos-audss-clk.h>
16 #include <dt-bindings/interrupt-controller/arm-gic.h>
37 bus_disp1: bus-disp1 {
38 compatible = "samsung,exynos-bus";
40 clock-names = "bus";
44 bus_disp1_fimd: bus-disp1-fimd {
45 compatible = "samsung,exynos-bus";
47 clock-names = "bus";
[all …]
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| H A D | exynos4x12.dtsi | 1 // SPDX-License-Identifier: GPL-2.0
19 #include "exynos4-cpu-thermal.dtsi"
27 fimc-lite0 = &fimc_lite_0;
28 fimc-lite1 = &fimc_lite_1;
31 bus_acp: bus-acp {
32 compatible = "samsung,exynos-bus";
34 clock-names = "bus";
35 operating-points-v2 = <&bus_acp_opp_table>;
38 bus_acp_opp_table: opp-table {
39 compatible = "operating-points-v2";
[all …]
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| /linux/include/linux/ssb/ |
| H A D | ssb.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
12 #include <linux/dma-mapping.h>
66 u8 maxpwr_bg; /* 2.4GHz Amplifier Max Power (in dBm Q5.2) */
67 u8 maxpwr_al; /* 5.2GHz Amplifier Max Power (in dBm Q5.2) */
68 u8 maxpwr_a; /* 5.3GHz Amplifier Max Power (in dBm Q5.2) */
69 u8 maxpwr_ah; /* 5.8GHz Amplifier Max Power (in dBm Q5.2) */
70 u8 itssi_a; /* Idle TSSI Target for A-PHY */
71 u8 itssi_bg; /* Idle TSSI Target for B/G-PHY */
76 u8 txpid2g[4]; /* 2GHz TX power index */
77 u8 txpid5gl[4]; /* 4.9 - 5.1GHz TX power index */
[all …]
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| /linux/Documentation/driver-api/ |
| H A D | slimbus.rst | 9 ----------------
10 SLIMbus (Serial Low Power Interchip Media Bus) is a specification developed by
11 MIPI (Mobile Industry Processor Interface) alliance. The bus uses master/slave
12 configuration, and is a 2-wire multi-drop implementation (clock, and data).
15 (System-on-Chip) and peripheral components (typically codec). SLIMbus uses
16 Time-Division-Multiplexing to accommodate multiple data channels, and
19 The control channel is used for various control functions such as bus
24 A data channel is used for data-transfer between 2 SLIMbus devices. Data
28 ---------------------
32 channel allocation. Every bus has 1 active manager.
[all …]
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| /linux/Documentation/devicetree/bindings/media/ |
| H A D | qcom,sdm845-venus.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/media/qcom,sdm845-venus.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Stanimir Varbanov <stanimir.varbanov@linaro.org>
17 - $ref: qcom,venus-common.yaml#
21 const: qcom,sdm845-venus
23 power-domains:
29 clock-names:
31 - const: core
[all …]
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| /linux/Documentation/driver-api/thermal/ |
| H A D | intel_dptf.rst | 1 .. SPDX-License-Identifier: GPL-2.0
12 ------------
15 level hardware/software solution for power and thermal management.
17 As a container for multiple power/thermal technologies, DPTF provides
26 "Linux Thermal Daemon" to read platform specific thermal and power
31 ----------------------------
33 :file:`/sys/bus/platform/devices/<N>/uuids`, where <N>
43 "42A441D6-AE6A-462b-A84B-4A8CE79027D3" : Passive 1
45 "3A95C389-E4B8-4629-A526-C52C88626BAE" : Active
47 "97C68AE7-15FA-499c-B8C9-5DA81D606E0A" : Critical
[all …]
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| /linux/Documentation/ABI/stable/ |
| H A D | sysfs-bus-usb | 1 What: /sys/bus/usb/devices/.../power/persist
6 USB device directories can contain a file named power/persist.
8 not the "USB-Persist" facility is enabled for the device. For
12 For more information, see Documentation/driver-api/usb/persist.rst.
14 What: /sys/bus/usb/devices/.../power/autosuspend
20 power/autosuspend. This file holds the time (in seconds)
27 The autosuspend delay for newly-created devices is set to
30 What: /sys/bus/usb/device/.../power/connected_duration
37 connected to the machine. This file is read-only.
42 What: /sys/bus/usb/device/.../power/active_duration
[all …]
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| /linux/sound/hda/core/ext/ |
| H A D | controller.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * hdac-ext-controller.c - HD-audio extended controller functions.
5 * Copyright (C) 2014-2015 Intel Corp
19 * processing pipe helpers - thes
28 snd_hdac_ext_bus_ppcap_enable(struct hdac_bus * bus,bool enable) snd_hdac_ext_bus_ppcap_enable() argument
50 snd_hdac_ext_bus_ppcap_int_enable(struct hdac_bus * bus,bool enable) snd_hdac_ext_bus_ppcap_int_enable() argument
80 snd_hdac_ext_bus_get_ml_capabilities(struct hdac_bus * bus) snd_hdac_ext_bus_get_ml_capabilities() argument
124 snd_hdac_ext_link_free_all(struct hdac_bus * bus) snd_hdac_ext_link_free_all() argument
136 snd_hdac_ext_bus_get_hlink_by_id(struct hdac_bus * bus,u32 id) snd_hdac_ext_bus_get_hlink_by_id() argument
154 snd_hdac_ext_bus_get_hlink_by_addr(struct hdac_bus * bus,int addr) snd_hdac_ext_bus_get_hlink_by_addr() argument
170 snd_hdac_ext_bus_get_hlink_by_name(struct hdac_bus * bus,const char * codec_name) snd_hdac_ext_bus_get_hlink_by_name() argument
239 snd_hdac_ext_bus_link_power_up_all(struct hdac_bus * bus) snd_hdac_ext_bus_link_power_up_all() argument
258 snd_hdac_ext_bus_link_power_down_all(struct hdac_bus * bus) snd_hdac_ext_bus_link_power_down_all() argument
297 snd_hdac_ext_bus_link_get(struct hdac_bus * bus,struct hdac_ext_link * hlink) snd_hdac_ext_bus_link_get() argument
339 snd_hdac_ext_bus_link_put(struct hdac_bus * bus,struct hdac_ext_link * hlink) snd_hdac_ext_bus_link_put() argument
399 struct hdac_bus *bus = codec->bus; snd_hdac_ext_bus_link_power() local
[all...] |
| /linux/Documentation/devicetree/bindings/pci/ |
| H A D | nvidia,tegra20-pcie.txt | 4 - compatible: Must be:
5 - "nvidia,tegra20-pcie": for Tegra20
6 - "nvidia,tegra30-pcie": for Tegra30
7 - "nvidia,tegra124-pcie": for Tegra124 and Tegra132
8 - "nvidia,tegra210-pcie": for Tegra210
9 - "nvidia,tegra186-pcie": for Tegra186
10 - power-domains: To ungate power partition by BPMP powergate driver. Must
11 contain BPMP phandle and PCIe power partition ID. This is required only
13 - device_type: Must be "pci"
14 - reg: A list of physical base address and length for each set of controller
[all …]
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| /linux/drivers/staging/greybus/Documentation/ |
| H A D | sysfs-bus-greybus | 1 What: /sys/bus/greybus/devices/greybusN
4 Contact: Greg Kroah-Hartman <greg@kroah.com>
6 The "root" greybus device for the Greybus device tree, or bus,
7 where N is a dynamically assigned 1-based id.
9 What: /sys/bus/greybus/devices/greybusN/bus_id
12 Contact: Greg Kroah-Hartman <greg@kroah.com>
14 The ID of the "root" greybus device, or bus.
16 What: /sys/bus/greybus/devices/N-M
19 Contact: Greg Kroah-Hartman <greg@kroah.com>
21 A Module M on the bus N, where M is the 1-byte interface
[all …]
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| /linux/Documentation/w1/slaves/ |
| H A D | w1_therm.rst | 16 -----------
42 A bulk read of all devices on the bus could be done writing ``trigger``
44 send the convert command to all devices on the bus, and if parasite
45 powered devices are detected on the bus (and strong pullup is enabled
49 -1 if at least one sensor still in conversion, 1 if conversion is complete
67 completion. Options 2, 3 can't be used in parasite power mode. To get back to
72 the sensor. Resolution is reset when the sensor gets power-cycled.
81 Some non-genuine DS18B20 chips are fixed in 12-bit mode only, so the actual
86 The write-only sysfs entry ``eeprom_cmd`` is an alternative for EEPROM operations.
90 ``ext_power`` entry allows checking the power state of each device. Reads
[all …]
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