| /openbmc/openbmc-test-automation/lib/ |
| H A D | energy_scale_utils.robot | 2 Documentation Utilities for power management tests.
16 Get System Power Cap Limit
17 [Documentation] Get the allowed MAX and MIN power limit of the chassis.
19 # GET request of /redfish/v1/Chassis/chassis/EnvironmentMetrics | grep -A5 Power
32 DCMI Power Get Limits
33 [Documentation] Run dcmi power get_limit and return values as a
36 # This keyword packages the five lines returned by dcmi power get_limit
38 # Current Limit State: No Active Power Limit
39 # Exception actions: Hard Power Off & Log Event to SEL
40 # Power Limit: 500 Watts
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| /openbmc/openbmc-test-automation/redfish/extended/ |
| H A D | test_escale_base.robot | 28 # The power limits are documented in
29 # open-power/witherspoon-xml/master/witherspoon.xml.
36 [Documentation] Run base power tests with DCMI power monitoring off.
39 Deactivate DCMI Power And Verify
40 Verify Power Limits
44 [Documentation] Run base power tests with DCMI power monitoring on.
47 Activate DCMI Power And Verify
48 Verify Power Limits
51 Escale Power Setting Via REST And Verify
52 [Documentation] Set power via REST and check using IPMI.
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| /openbmc/qemu/tests/qemu-iotests/ |
| H A D | 204 | 6 # Copyright (C) 2016-2018 Red Hat, Inc.
55 $QEMU_IO -c "write -P 11 0 $size" "$TEST_IMG.base" | _filter_qemu_io
56 _make_test_img -b "$TEST_IMG.base" -F $IMGFMT
57 $QEMU_IO -c "write -P 22 0 110M" "$TEST_IMG" | _filter_qemu_io
59 # Limited to 64k max-transfer
61 echo "== constrained alignment and max-transfer =="
62 limits=align=4k,max-transfer=64k
63 $QEMU_IO -c "open -o $options,$limits blkdebug::$TEST_IMG" \
64 -c "write -P 33 1000 128k" -c "read -P 33 1000 128k" | _filter_qemu_io
67 echo "== write zero with constrained max-transfer =="
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| H A D | 177 | 6 # Copyright (C) 2016-2018 Red Hat, Inc.
54 $QEMU_IO -c "write -P 11 0 $size" "$TEST_IMG.base" | _filter_qemu_io
55 _make_test_img -b "$TEST_IMG.base" -F $IMGFMT
56 $QEMU_IO -c "write -P 22 0 $size" "$TEST_IMG" | _filter_qemu_io
58 # Limited to 64k max-transfer
60 echo "== constrained alignment and max-transfer =="
61 limits=align=4k,max-transfer=64k
62 $QEMU_IO -c "open -o $options,$limits blkdebug::$TEST_IMG" \
63 -c "write -P 33 1000 128k" -c "read -P 33 1000 128k" | _filter_qemu_io
66 echo "== write zero with constrained max-transfer =="
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| H A D | 177.out | 11 == constrained alignment and max-transfer ==
17 == write zero with constrained max-transfer ==
21 == non-power-of-2 write zeroes limits ==
25 == non-power-of-2 discard limits ==
|
| H A D | 204.out | 11 == constrained alignment and max-transfer ==
17 == write zero with constrained max-transfer ==
21 == non-power-of-2 write zeroes limits ==
25 == non-power-of-2 discard limits ==
|
| /openbmc/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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| /openbmc/openpower-occ-control/ |
| H A D | powercap.hpp | 9 #include <xyz/openbmc_project/Control/Power/CapLimits/server.hpp>
29 namespace Base = sdbusplus::xyz::openbmc_project::Control::Power::server;
56 /** @brief Loads any saved power cap data */
62 /** @brief Save Power Mode data to persistent file
64 * @param[in] softMin - soft minimum power cap in Watts
65 * @param[in] hardMin - hard minimum power cap in Watts
66 * @param[in] max - maximum power cap in Watts
78 /** @brief Return the power cap limits
80 * @param[out] softMin - soft minimum power cap in Watts
81 * @param[out] hardMin - hard minimum power cap in Watts
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| /openbmc/linux/drivers/powercap/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
3 # Generic power capping sysfs interface configuration
9 The power capping sysfs interface allows kernel subsystems to expose power
12 power zones representing parts of the system that can be subject to power
29 This enables support for the Intel Running Average Power Limit (RAPL)
30 technology via MSR interface, which allows power limits to be enforced
35 controller, CPU core (Power Plane 0), graphics uncore (Power Plane
44 This enables support for the Intel Running Average Power Limit (RAPL)
45 technology via TPMI interface, which allows power limits to be enforced
59 CPUs for power capping. Idle period can be injected
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| /openbmc/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 | 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 | 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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| /openbmc/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
161 /* maximum rapl package domain name: package-%d-die-%d */
165 unsigned int id; /* logical die id, equals physical 1-die systems */
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| /openbmc/linux/drivers/net/ipa/ |
| H A D | ipa_data.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
3 /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
4 * Copyright (C) 2019-2023 Linaro Ltd.
18 * Boot-time configuration data is used to define the configuration of the
22 * channels, memory, power and so on are allocated and used for the
26 * configuration data defines the number (or limits of the number) of various
41 * together, establishing the endpoint_id->(EE, channel_id) mapping.
52 /** enum ipa_qsb_master_id - array index for IPA QSB configuration data */
59 * struct ipa_qsb_data - Qualcomm System Bus configuration data
62 * @max_reads_beats: Max outstanding read bytes in 8-byte "beats" (if non-zero)
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| /openbmc/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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| /openbmc/u-boot/drivers/power/regulator/ |
| H A D | Kconfig | 4 ---help---
6 UCLASS_REGULATOR - designed to provide a common API for basic regulator's
10 - 'include/power/pmic.h'
11 - 'include/power/regulator.h'
12 - 'drivers/power/pmic/pmic-uclass.c'
13 - 'drivers/power/pmic/regulator-uclass.c'
22 ---help---
31 ---help---
35 which includes voltage limits.
42 driver implements enable/disable for step-down bucks and LDOs,
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| /openbmc/linux/drivers/clk/ |
| H A D | clk-axi-clkgen.c | 1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright 2012-2013 Analog Devices Inc.
6 * Author: Lars-Peter Clausen <lars@metafoo.de>
11 #include <linux/clk-provider.h>
60 struct axi_clkgen_limits limits; member
126 static void axi_clkgen_calc_params(const struct axi_clkgen_limits *limits, in axi_clkgen_calc_params() argument
144 d_min = max_t(unsigned long, DIV_ROUND_UP(fin, limits->fpfd_max), 1); in axi_clkgen_calc_params()
145 d_max = min_t(unsigned long, fin / limits->fpfd_min, 80); in axi_clkgen_calc_params()
148 fvco_min_fract = limits->fvco_min << fract_shift; in axi_clkgen_calc_params()
149 fvco_max_fract = limits->fvco_max << fract_shift; in axi_clkgen_calc_params()
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| /openbmc/linux/include/linux/regulator/ |
| H A D | machine.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * machine.h -- SoC Regulator support, machine/board driver API.
44 * DO_NOTHING_IN_SUSPEND - the default value
45 * DISABLE_IN_SUSPEND - turn off regulator in suspend states
46 * ENABLE_IN_SUSPEND - keep regulator on in suspend states
60 * struct regulator_state - regulator state during low power system states
62 * This describes a regulators state during a system wide low power
72 * - DO_NOTHING_IN_SUSPEND
73 * - DISABLE_IN_SUSPEND
74 * - ENABLE_IN_SUSPEND
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| /openbmc/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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| /openbmc/linux/drivers/gpu/drm/i915/gt/ |
| H A D | intel_rps_types.h | 1 /* SPDX-License-Identifier: MIT */
41 * struct intel_rps_freq_caps - rps freq capabilities
42 * @rp0_freq: non-overclocked max frequency
43 * @rp1_freq: "less than" RP0 power/freqency
60 * i915->irq_lock
76 * Soft limits are those which are used for the dynamic reclocking done
78 * lighter loads). Hard limits are those imposed by the hardware.
92 u8 efficient_freq; /* AKA RPe. Pre-determined balanced frequency */
93 u8 rp1_freq; /* "less than" RP0 power/freqency */
94 u8 rp0_freq; /* Non-overclocked max frequency. */
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| /openbmc/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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| /openbmc/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
50 u32 power; member
126 __le32 power; member
137 __le32 power; member
171 if (_opp->indicative_freq == f_) \
197 ret = ph->xops->xfer_get_init(ph, PROTOCOL_ATTRIBUTES, 0, in scmi_perf_attributes_get()
202 attr = t->rx.buf; in scmi_perf_attributes_get()
204 ret = ph->xops->do_xfer(ph, t); in scmi_perf_attributes_get()
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| /openbmc/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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| /openbmc/openbmc/poky/meta/recipes-kernel/powertop/ |
| H A D | powertop_2.15.bb | 1 SUMMARY = "Power usage tool"
2 DESCRIPTION = "Linux tool to diagnose issues with power consumption and power management."
5 DEPENDS = "ncurses libnl pciutils autoconf-archive-native"
6 LICENSE = "GPL-2.0-only"
10 file://0001-wakeup_xxx.h-include-limits.h.patch \
16 LDFLAGS += "-pthread"
18 inherit autotools gettext pkgconfig bash-completion
20 inherit update-alternatives
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| /openbmc/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>
23 - $ref: ieee80211.yaml#
28 - mediatek,mt76
29 - mediatek,mt7628-wmac
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