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/linux/Documentation/devicetree/bindings/hwmon/
H A Dadi,adm1177.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Analog Devices ADM1177 Hot Swap Controller and Digital Power Monitor
10 - Michael Hennerich <michael.hennerich@analog.com>
13 Analog Devices ADM1177 Hot Swap Controller and Digital Power Monitor
14 https://www.analog.com/media/en/technical-documentation/data-sheets/ADM1177.pdf
19 - adi,adm1177
24 avcc-supply:
28 shunt-resistor-micro-ohms:
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H A Dadi,ltc4282.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Analog Devices LTC4282 I2C High Current Hot Swap Controller over I2C
10 - Nuno Sa <nuno.sa@analog.com>
13 Analog Devices LTC4282 I2C High Current Hot Swap Controller over I2C.
15 https://www.analog.com/media/en/technical-documentation/data-sheets/ltc4282.pdf
20 - adi,ltc4282
25 vdd-supply: true
30 '#clock-cells':
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/linux/Documentation/hwmon/
H A Dltc4286.rst1 .. SPDX-License-Identifier: GPL-2.0-or-later
12 Addresses scanned: -
14 Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ltc4286.pdf
20 Addresses scanned: -
22 Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ltc4287.pdf
28 -----------
31 and LTC4287 Hot-Swap Controller and Digital Power Monitors.
33 LTC4286 and LTC4287 are hot-swap controllers that allow a circuit board
35 current and voltage readback via an integrated 12 bit analog-to-digital
43 -----------
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H A Dadm1177.rst7 Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ADM1177.pdf
13 -----------
16 Hot-Swap Controller and Digital Power Monitors with Soft Start Pin.
20 -----------
22 This driver does not auto-detect devices. You will have to instantiate the
23 devices explicitly. Please see Documentation/i2c/instantiating-devices.rst
28 -------------
31 is read-write, all other attributes are read-only.
H A Dxdp710.rst1 .. SPDX-License-Identifier: GPL-2.0
14 … the Infineon website : https://www.infineon.com/dgdl/Infineon-XDP710-001-DataSheet-v01_00-EN.pdf?…
21 -----------
23 This driver implements support for Infineon XDP710 Hot-Swap Controller.
27 - PMBus rev 1.3 interface.
H A Dmp5023.rst1 .. SPDX-License-Identifier: GPL-2.0
21 -----------
24 MP5023 Hot-Swap Controller.
28 - PMBus rev 1.3 interface.
H A Dmp5920.rst1 .. SPDX-License-Identifier: GPL-2.0
22 -----------
25 MP5920 Hot-Swap Controller.
29 - PMBus rev 1.3 interface.
H A Dltc4260.rst10 Addresses scanned: -
16 Author: Guenter Roeck <linux@roeck-us.net>
20 -----------
22 The LTC4260 Hot Swap controller allows a board to be safely inserted
27 -----------
37 $ echo ltc4260 0x10 > /sys/bus/i2c/devices/i2c-1/new_device
41 -------------
H A Dltc4261.rst10 Addresses scanned: -
16 Author: Guenter Roeck <linux@roeck-us.net>
20 -----------
22 The LTC4261/LTC4261-2 negative voltage Hot Swap controllers allow a board
27 -----------
37 $ echo ltc4261 0x10 > /sys/bus/i2c/devices/i2c-1/new_device
41 -------------
H A Dltc4282.rst1 .. SPDX-License-Identifier: GPL-2.0-only
12 Addresses scanned: - I2C 0x40 - 0x5A (7-bit)
13 Addresses scanned: - I2C 0x80 - 0xB4 with a step of 2 (8-bit)
17 https://www.analog.com/media/en/technical-documentation/data-sheets/ltc4282.pdf
24 The LTC4282 hot swap controller allows a board to be safely inserted and removed
25 from a live backplane. Using one or more external N-channel pass transistors,
31 parallel MOSFETs or support a 2-stage start-up that first charges the load
32 capacitance followed by enabling a low on-resistance path to the load. The
35 and power supplies must safely operate. Non-volatile configuration allows for
41 The following attributes are supported. Limits are read-write and all the other
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/linux/mm/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
6 # For some reason microblaze and nios2 hard code SWAP=n. Hopefully we can
7 # add proper SWAP support to them, in which case this can be remove.
12 menuconfig SWAP config
13 bool "Support for paging of anonymous memory (swap)"
18 for so called swap devices or swap files in your kernel that are
23 bool "Compressed cache for swap pages"
24 depends on SWAP
28 A lightweight compressed cache for swap pages. It takes
30 compress them into a dynamically allocated RAM-based memory pool.
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/linux/drivers/hwmon/
H A Dltc4261.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Driver for Linear Technology LTC4261 I2C Negative Voltage Hot Swap Controller
9 * Driver for Linear Technology LTC4245 I2C Multiple Supply Hot Swap Controller
22 #include <linux/hwmon-sysfs.h>
58 struct i2c_client *client = data->client; in ltc4261_update_device()
61 mutex_lock(&data->update_lock); in ltc4261_update_device()
63 if (time_after(jiffies, data->last_updated + HZ / 4) || !data->valid) { in ltc4261_update_device()
66 /* Read registers -- 0x00 to 0x09 */ in ltc4261_update_device()
67 for (i = 0; i < ARRAY_SIZE(data->regs); i++) { in ltc4261_update_device()
76 data->valid = false; in ltc4261_update_device()
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H A Dltc4260.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Driver for Linear Technology LTC4260 I2C Positive Voltage Hot Swap Controller
14 #include <linux/hwmon-sysfs.h>
67 return -EINVAL; in ltc4260_get_value()
79 value = ltc4260_get_value(dev, attr->index); in ltc4260_value_show()
97 fault &= attr->index; in ltc4260_bool_show()
99 regmap_update_bits(regmap, LTC4260_FAULT, attr->index, 0); in ltc4260_bool_show()
146 struct device *dev = &client->dev; in ltc4260_probe()
159 hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, in ltc4260_probe()
182 MODULE_AUTHOR("Guenter Roeck <linux@roeck-us.net>");
/linux/drivers/platform/mellanox/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
38 Centers (EDC) for building Ethernet based clusters, High-Performance
49 This driver handles hot-plug events for the power suppliers, power
69 This driver provides support for the Mellanox MSN4800-XX line cards,
72 Centers (EDC) for building Ethernet based clusters, High-Performance
93 and to set up a watchdog that can undo that swap if the system
96 device driver to do necessary initial swap of the boot partition.
118 serial port (RS-232 interface), an OOB port (1G/100M MDI interface)
122 System equipped with Nvidia®Spectrum-1 32x100GbE Ethernet switch.
/linux/Documentation/devicetree/bindings/hwmon/pmbus/
H A Dti,lm25066.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: National Semiconductor/Texas Instruments LM250x6/LM506x power-management ICs
11 - Zev Weiss <zev@bewilderbeest.net>
14 The LM25066 family of power-management ICs (a.k.a. hot-swap
23 - ti,lm25056
24 - ti,lm25066
25 - ti,lm5064
26 - ti,lm5066
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/linux/drivers/hwmon/pmbus/
H A Dmp5023.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Driver for MPS MP5023 Hot-Swap Controller
H A Dxdp710.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Driver for Infineon XDP710 Hot-Swap Controller
40 .R[PSC_VOLTAGE_IN] = -2,
43 .R[PSC_VOLTAGE_OUT] = -2,
46 .R[PSC_CURRENT_OUT] = -2,
49 .R[PSC_POWER] = -2,
52 .R[PSC_TEMPERATURE] = -1,
68 info = devm_kmemdup(&client->dev, &xdp710_info, sizeof(*info), in xdp710_probe()
71 return -ENOMEM; in xdp710_probe()
75 dev_err(&client->dev, "Can't get CS_RNG"); in xdp710_probe()
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/linux/Documentation/admin-guide/cgroup-v1/
H A Dmemcg_test.rst7 Base Kernel Version: based on 2.6.33-rc7-mm(candidate for 34).
13 (*) Topics on API should be in Documentation/admin-guide/cgroup-v1/memory.rst)
22 Allocated at boot or memory hotplug. Freed at memory hot removal.
29 occurs. swap_cgroup is used only when a charged page is swapped-out.
41 a page/swp_entry may be uncharged (usage -= PAGE_SIZE) by
47 Called when swp_entry's refcnt goes down to 0. A charge against swap
50 3. charge-commit-cancel
55 - mem_cgroup_try_charge()
56 - mem_cgroup_commit_charge() or mem_cgroup_cancel_charge()
63 At cancel(), simply usage -= PAGE_SIZE.
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/linux/drivers/pci/hotplug/
H A Dibmphp_ebda.c1 // SPDX-License-Identifier: GPL-2.0+
3 * IBM Hot Plug Controller Driver
7 * Copyright (C) 2001,2003 Greg Kroah-Hartman (greg@kroah.com)
8 * Copyright (C) 2001-2003 IBM Corp.
26 * POST builds data blocks(in this data block definition, a char-1
27 * byte, short(or word)-2 byte, long(dword)-4 byte) in the Extended
28 * BIOS Data Area which describe the configuration of the hot-plug
29 * controllers and resources used by the PCI Hot-Plug devices.
33 * already assigned by POST, as well as linked lists about hot plug
76 controller->slots = slots; in alloc_ebda_hpc()
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/linux/Documentation/mm/
H A Dmultigen_lru.rst1 .. SPDX-License-Identifier: GPL-2.0
4 Multi-Gen LRU
6 The multi-gen LRU is an alternative LRU implementation that optimizes
14 ----------
20 * Simple self-correcting heuristics
23 implementations. In the multi-gen LRU, each generation represents a
25 (time-based) common frame of reference and therefore help make better
41 choices; thus self-correction is necessary.
43 The benefits of simple self-correcting heuristics are self-evident.
51 -----------
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/linux/drivers/leds/
H A Dleds-menf21bmc.c1 // SPDX-License-Identifier: GPL-2.0-or-later
7 * STATUS LED, HOT SWAP LED, USER LED 1, USER LED 2
60 led_val = i2c_smbus_read_byte_data(led->i2c_client, in menf21bmc_led_set()
66 led_val &= ~led->led_bit; in menf21bmc_led_set()
68 led_val |= led->led_bit; in menf21bmc_led_set()
70 i2c_smbus_write_byte_data(led->i2c_client, in menf21bmc_led_set()
80 struct i2c_client *i2c_client = to_i2c_client(pdev->dev.parent); in menf21bmc_led_probe()
86 ret = devm_led_classdev_register(&pdev->dev, &leds[i].cdev); in menf21bmc_led_probe()
88 dev_err(&pdev->dev, "failed to register LED device\n"); in menf21bmc_led_probe()
92 dev_info(&pdev->dev, "MEN 140F21P00 BMC LED device enabled\n"); in menf21bmc_led_probe()
/linux/Documentation/devicetree/bindings/mfd/
H A Dmaxim,max5970.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Patrick Rudolph <patrick.rudolph@9elements.com>
24 - maxim,max5970
25 - maxim,max5978
39 "#address-cells":
42 "#size-cells":
46 "^led@[0-3]$":
57 vss1-supply:
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/linux/Documentation/admin-guide/mm/
H A Dmultigen_lru.rst1 .. SPDX-License-Identifier: GPL-2.0
4 Multi-Gen LRU
6 The multi-gen LRU is an alternative LRU implementation that optimizes
26 -----------
38 0x0001 The main switch for the multi-gen LRU.
42 disabled, the multi-gen LRU will suffer a minor performance
43 degradation for workloads that contiguously map hot pages,
46 0x0004 Clearing the accessed bit in non-leaf page table entries as
49 disabled, the multi-gen LRU will suffer a negligible
65 --------------------
[all …]
/linux/drivers/thermal/
H A Dairoha_thermal.c1 // SPDX-License-Identifier: GPL-2.0-or-later
28 /* period unit calculated in BUS clock * 256 scaling-up */
62 /* Similar to COLD and HOT also these seems to be swapped in documentation */
66 * - Fire BIT(1) when lower than EN7581_COLD_THRE
67 * - Fire BIT(0) and BIT(5) when higher than EN7581_HOT2NORMAL_THRE or
101 /* Similar to COLD and HOT also these seems to be swapped in documentation */
105 * - Fire BIT(1) when lower than EN7581_COLD_THRE
106 * - Fire BIT(0) and BIT(5) when higher than EN7581_HOT2NORMAL_THRE or
109 * To clear things, we swap the define but we keep them documented here.
113 /* Monitor will take the bigger threshold between HOT2NORMAL and HOT
[all …]
/linux/arch/arm64/boot/dts/qcom/
H A Dpm8150b.dtsi1 // SPDX-License-Identifier: BSD-3-Clause
3 * Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.
7 #include <dt-bindings/iio/qcom,spmi-vadc.h>
8 #include <dt-bindings/interrupt-controller/irq.h>
9 #include <dt-bindings/spmi/spmi.h>
12 thermal-zones {
13 pm8150b-thermal {
14 polling-delay-passive = <100>;
16 thermal-sensors = <&pm8150b_temp>;
28 type = "hot";
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