| /linux/drivers/platform/x86/ |
| H A D | intel_ips.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2009-2010 Intel Corporation
10 * Some Intel Ibex Peak based platforms support so-called "intelligent
11 * power sharing", which allows the CPU and GPU to cooperate to maximize
14 * power statistics in the platform, and initializes power monitoring
17 * by tracking power and thermal budget; secondarily it can boost turbo
18 * performance by allocating more power or thermal budget to the CPU or GPU
22 * thermal headroom is available, the CPU and/or GPU power clamps may be
34 * - dual MCP configs
37 * - handle CPU hotplug
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| /linux/Documentation/hwmon/ |
| H A D | stpddc60.rst | 1 .. SPDX-License-Identifier: GPL-2.0
12 Addresses scanned: -
14 Datasheet: https://flexpowermodules.com/documents/fpm-techspec-bmr481
20 -----------
26 Documentation/hwmon/pmbus.rst and Documentation.hwmon/pmbus-core for details
31 -----------
33 This driver does not auto-detect devices. You will have to instantiate the
34 devices explicitly. Please see Documentation/i2c/instantiating-devices.rst for
37 The vout under- and over-voltage limits are set in relation to the commanded
39 in 50mV steps. This means that the absolute values of the limits will change
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| H A D | pmbus.rst | 12 Addresses scanned: -
23 Addresses scanned: -
27 https://www.onsemi.com/pub_link/Collateral/ADP4000-D.PDF
29 https://www.onsemi.com/pub_link/Collateral/NCP4200-D.PDF
31 https://www.onsemi.com/pub_link/Collateral/JUNE%202009-%20REV.%200.PDF
33 * Lineage Power
37 Addresses scanned: -
55 Addresses scanned: -
73 Addresses scanned: -
83 Addresses scanned: -
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| H A D | ltc2992.rst | 1 .. SPDX-License-Identifier: GPL-2.0
9 Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ltc2992.pdf
15 -----------
17 This driver supports hardware monitoring for Linear Technology LTC2992 power monitor.
19 LTC2992 is a rail-to-rail system monitor that measures current,
20 voltage, and power of two supplies.
27 -------------
29 The following attributes are supported. Limits are read-write,
30 all other attributes are read-only.
50 powerX_input Measured power.
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| H A D | sysfs-interface.rst | 5 through the sysfs interface. Since lm-sensors 3.0.0, libsensors is
6 completely chip-independent. It assumes that all the kernel drivers
10 This is a major improvement compared to lm-sensors 2.
22 For this reason, even if we aim at a chip-independent libsensors, it will
37 Up to lm-sensors 3.0.0, libsensors looks for hardware monitoring attributes
38 in the "physical" device directory. Since lm-sensors 3.0.1, attributes found
61 to cause an alarm) is chip-dependent.
69 ----------------
76 -------------------------------------------------------------------------
79 `[0-*]` denotes any positive number starting from 0
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| H A D | pli1209bc.rst | 1 .. SPDX-License-Identifier: GPL-2.0
12 Addresses scanned: 0x50 - 0x5F
14 Datasheet: https://www.vicorpower.com/documents/datasheets/ds-PLI1209BCxyzz-VICOR.pdf
17 - Marcello Sylvester Bauer <sylv@sylv.io>
20 -----------
22 The Vicor PLI1209BC is an isolated digital power system supervisor that provides
26 can configure, set protection limits, and monitor the BCM.
29 -------------
62 power1_input Input power.
63 power1_alarm Input power alarm.
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| H A D | adm1026.rst | 16 - Philip Pokorny <ppokorny@penguincomputing.com> for Penguin Computing
17 - Justin Thiessen <jthiessen@penguincomputing.com>
20 -----------------
23 List of GPIO pins (0-16) to program as inputs
26 List of GPIO pins (0-16) to program as outputs
29 List of GPIO pins (0-16) to program as inverted
32 List of GPIO pins (0-16) to program as normal/non-inverted
35 List of GPIO pins (0-7) to program as fan tachs
39 -----------
45 16 general purpose digital I/O lines, eight (8) fan speed sensors (8-bit),
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| H A D | ds1621.rst | 47 - Christian W. Zuckschwerdt <zany@triq.net>
48 - valuable contributions by Jan M. Sendler <sendler@sendler.de>
49 - ported to 2.6 by Aurelien Jarno <aurelien@aurel32.net>
53 ------------------
62 -----------
65 both high and low temperature limits which can be user defined (i.e.
66 programmed into non-volatile on-chip registers). Temperature range is -55
68 Fahrenheit range of -67 to +257 degrees with 0.9 steps. If polarity
81 of up to +/- 0.5 degrees even when compared against precise temperature
85 The alarm bits are set when the high or low limits are met or exceeded and
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| H A D | adm9240.rst | 10 Addresses scanned: I2C 0x2c - 0x2f
20 Addresses scanned: I2C 0x2c - 0x2f
24 http://pdfserv.maxim-ic.com/en/ds/DS1780.pdf
30 Addresses scanned: I2C 0x2c - 0x2f
37 - Frodo Looijaard <frodol@dds.nl>,
38 - Philip Edelbrock <phil@netroedge.com>,
39 - Michiel Rook <michiel@grendelproject.nl>,
40 - Grant Coady <gcoady.lk@gmail.com> with guidance
44 ---------
46 chip MSB 5-bit address. Each chip reports a unique manufacturer
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| H A D | ltc2947.rst | 1 Kernel drivers ltc2947-i2c and ltc2947-spi
10 Addresses scanned: -
14 https://www.analog.com/media/en/technical-documentation/data-sheets/LTC2947.pdf
21 The LTC2947 is a high precision power and energy monitor that measures current,
22 voltage, power, temperature, charge and energy. The device supports both SPI
37 The following attributes are supported. Limits are read-write, reset_history
38 is write-only and all the other attributes are read-only.
41 in0_input VP-VM voltage (mV).
49 in0_label Channel label (VP-VM)
61 curr1_input IP-IM Sense current (mA)
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| /linux/include/linux/ |
| H A D | intel_rapl.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
25 RAPL_DOMAIN_PP0, /* core power plane */
57 PL1_ENABLE, /* power limit 1, aka long term */
59 PL2_ENABLE, /* power limit 2, aka short term, instantaneous */
61 PL4_ENABLE, /* power limit 4, aka max peak power */
138 * @reg_unit: Register for getting energy/power/time unit.
140 * @limits: Number of power limits supported by each domain.
154 int limits[RAPL_DOMAIN_MAX]; member
164 * @scale: Scale of 2^-32 Joules for each energy counter increase.
181 /* maximum rapl package domain name: package-%d-die-%d */
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| /linux/Documentation/admin-guide/pm/ |
| H A D | intel_pstate.rst | 1 .. SPDX-License-Identifier: GPL-2.0
22 Documentation/admin-guide/pm/cpufreq.rst if you have not done that yet.]
24 For the processors supported by ``intel_pstate``, the P-state concept is broader
27 information about that). For this reason, the representation of P-states used
32 ``intel_pstate`` maps its internal representation of P-states to frequencies too
38 Since the hardware P-state selection interface used by ``intel_pstate`` is
43 time the corresponding CPU is taken offline and need to be re-initialized when
47 only way to pass early-configuration-time parameters to it is via the kernel
66 -----------
69 hardware-managed P-states (HWP) support. If it works in this mode, the
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| /linux/block/ |
| H A D | blk-settings.c | 1 // SPDX-License-Identifier: GPL-2.0
9 #include <linux/blk-integrity.h>
11 #include <linux/backing-dev-defs.h>
16 #include <linux/dma-mapping.h>
17 #include <linux/t10-pi.h>
21 #include "blk-rq-qos.h"
22 #include "blk-wbt.h"
26 WRITE_ONCE(q->rq_timeout, timeout); in blk_queue_rq_timeout()
31 * blk_set_stacking_limits - set default limits for stacking devices
34 * Prepare queue limits for applying limits from underlying devices using
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| /linux/drivers/gpu/drm/xe/ |
| H A D | xe_hwmon.c | 1 // SPDX-License-Identifier: MIT
6 #include <linux/hwmon-sysfs.h>
65 * For platforms that support mailbox commands for power limits, REG_PKG_POWER_SKU_UNIT is
73 * SF_* - scale factors for particular quantities according to hwmon spec.
82 * PL*_HWMON_ATTR - mapping of hardware power limits to corresponding hwmon power attribute.
90 * Timeout for power limit write mailbox command.
95 * struct xe_hwmon_energy_info - to accumulate energy
105 * struct xe_hwmon_fan_info - to cache previous fan reading
115 * struct xe_hwmon - xe hwmon data structure
124 /** @scl_shift_power: pkg power unit */
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| /linux/Documentation/devicetree/bindings/media/ |
| H A D | samsung,exynos4210-fimc.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/media/samsung,exynos4210-fimc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
11 - Sylwester Nawrocki <s.nawrocki@samsung.com>
20 - samsung,exynos4210-fimc
21 - samsung,exynos4212-fimc
22 - samsung,s5pv210-fimc
30 clock-names:
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| /linux/include/linux/platform_data/ |
| H A D | tsl2772.h | 1 /* SPDX-License-Identifier: GPL-2.0+ */
7 * Copyright (c) 2017-2018 Brian Masney <masneyb@onstation.org>
30 /* LED Power */
37 * struct tsl2772_settings - Settings for the tsl2772 driver
40 * (256 - als_time) * 2.73.
47 * (256 - prx_time) * 2.73.
52 * @als_persistence: H/W Filters, Number of 'out of limits' ALS readings.
56 * @prox_persistence: H/W Filters, Number of 'out of limits' proximity
66 * @prox_power The amount of power to use for the external LED(s).
92 * struct tsl2772_platform_data - Platform callback, glass and defaults
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| /linux/drivers/firmware/arm_scmi/ |
| H A D | perf.c | 1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2018-2023 ARM Ltd.
8 #define pr_fmt(fmt) "SCMI Notifications PERF - " fmt
53 u32 power; member
129 __le32 power; member
140 __le32 power; member
175 if (_opp->indicative_freq == f_) \
203 ret = ph->xops->xfer_get_init(ph, PROTOCOL_ATTRIBUTES, 0, in scmi_perf_attributes_get()
208 attr = t->rx.buf; in scmi_perf_attributes_get()
210 ret = ph->xops->do_xfer(ph, t); in scmi_perf_attributes_get()
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| /linux/arch/arm/boot/dts/samsung/ |
| H A D | exynos4210.dtsi | 1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
7 * Copyright (c) 2010-2011 Linaro Ltd.
20 #include "exynos4-cpu-thermal.dtsi"
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";
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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";
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| /linux/drivers/gpu/drm/i915/gt/ |
| H A D | intel_rps.c | 1 // SPDX-License-Identifier: MIT
43 return rps_to_gt(rps)->i915; in rps_to_i915()
48 return rps_to_gt(rps)->uncore; in rps_to_uncore()
55 return >_to_guc(gt)->slpc; in rps_to_slpc()
62 return intel_uc_uses_guc_slpc(>->uc); in rps_uses_slpc()
67 return mask & ~rps->pm_intrmsk_mbz; in rps_pm_sanitize_mask()
90 last = engine->stats.rps; in rps_timer()
91 engine->stats.rps = dt; in rps_timer()
99 last = rps->pm_timestamp; in rps_timer()
100 rps->pm_timestamp = timestamp; in rps_timer()
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| /linux/Documentation/devicetree/bindings/net/wireless/ |
| H A D | mediatek,mt76.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 # Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Felix Fietkau <nbd@nbd.name>
12 - Lorenzo Bianconi <lorenzo@kernel.org>
13 - Ryder Lee <ryder.lee@mediatek.com>
25 - mediatek,mt76
26 - mediatek,mt7628-wmac
27 - mediatek,mt7622-wmac
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| /linux/drivers/powercap/ |
| H A D | intel_rapl_msr.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * Intel Running Average Power Limit (RAPL) Driver via MSR interface
26 #include <asm/intel-family.h>
55 .limits[RAPL_DOMAIN_PACKAGE] = BIT(POWER_LIMIT2),
56 .limits[RAPL_DOMAIN_PLATFORM] = BIT(POWER_LIMIT2),
66 /* Handles CPU hotplug on multi-socket systems.
71 * per-domain level.
83 cpumask_set_cpu(cpu, &rp->cpumask); in rapl_cpu_online()
96 cpumask_clear_cpu(cpu, &rp->cpumask); in rapl_cpu_down_prep()
97 lead_cpu = cpumask_first(&rp->cpumask); in rapl_cpu_down_prep()
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| /linux/Documentation/ABI/testing/ |
| H A D | sysfs-devices-system-cpu | 2 Date: pre-git history
3 Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org>
18 Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org>
19 Description: CPU topology files that describe kernel limits related to
37 See Documentation/admin-guide/cputopology.rst for more information.
43 Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org>
58 Contact: Linux memory management mailing list <linux-mm@kvack.org>
67 /sys/devices/system/cpu/cpu42/node2 -> ../../node/node2
77 Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org>
89 core_siblings_list: human-readable list of the logical CPU
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| /linux/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/ |
| H A D | smu14_driver_if_v14_0.h | 190 SVI_PSI_6, // Power down to 0V (voltage regulation disabled)
517 uint8_t SnapToDiscrete; // 0 - Fine grained DPM, 1 - Discrete DPM
520 LinearInt_t ConversionToAvfsClk; // Transfer function to AVFS Clock (GHz->GHz)
523 uint16_t FoptimalDc; //Foptimal frequency in DC power mode.
524 uint16_t FoptimalAc; //Foptimal frequency in AC power mode.
975 uint16_t Power[PPT_THROTTLER_COUNT][POWER_SOURCE_COUNT]; // Watts member
1056 …uint8_t TotalPowerConfig; // Determines how PMFW calculates the power. Use defines from Pw…
1061 // SECTION: Infrastructure Limits
1064 …nd SocketPowerLimitDc will be interpreted as legacy programs(i.e absolute power). If 0, all except…
1069 …tMinReportedPptinDcs; //minimum possible active power consumption for this SKU. Used for SmartShif…
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| /linux/drivers/hwmon/pmbus/ |
| H A D | mp2888.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Hardware monitoring driver for MPS Multi-phase Digital VR Controllers
46 return -ENODATA; in mp2888_read_byte_data()
56 * Obtain DrMOS current sense gain of power stage from the register in mp2888_current_sense_gain_and_resolution_get()
57 * , bits 0-2. The value is selected as below: in mp2888_current_sense_gain_and_resolution_get()
58 * 00b - 5µA/A, 01b - 8.5µA/A, 10b - 9.7µA/A, 11b - 10µA/A. Other in mp2888_current_sense_gain_and_resolution_get()
67 data->curr_sense_gain = 85; in mp2888_current_sense_gain_and_resolution_get()
70 data->curr_sense_gain = 97; in mp2888_current_sense_gain_and_resolution_get()
73 data->curr_sense_gain = 100; in mp2888_current_sense_gain_and_resolution_get()
76 data->curr_sense_gain = 50; in mp2888_current_sense_gain_and_resolution_get()
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