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/Linux-v5.10/Documentation/devicetree/bindings/power/supply/
Dbq24190.txt1 TI BQ24190 Li-Ion Battery Charger
4 - compatible: contains one of the following:
9 - reg: integer, I2C address of the charger.
10 - interrupts[-extended]: configuration for charger INT pin.
13 - monitored-battery: phandle of battery characteristics devicetree node
15 + precharge-current-microamp: maximum charge current during precharge
17 + charge-term-current-microamp: a charge cycle terminates when the
18 battery voltage is above recharge threshold, and the current is below
21 - ti,system-minimum-microvolt: when power is connected and the battery is below
22 minimum system voltage, the system will be regulated above this setting.
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Dbq25890.txt1 Binding for TI bq25890 Li-Ion Charger
7 - compatible: Should contain one of the following:
12 - reg: integer, i2c address of the device.
13 - interrupts: interrupt line;
14 - ti,battery-regulation-voltage: integer, maximum charging voltage (in uV);
15 - ti,charge-current: integer, maximum charging current (in uA);
16 - ti,termination-current: integer, charge will be terminated when current in
17 constant-voltage phase drops below this value (in uA);
18 - ti,precharge-current: integer, maximum charge current during precharge
20 - ti,minimum-sys-voltage: integer, when battery is charging and it is below
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/Linux-v5.10/Documentation/devicetree/bindings/leds/
Dleds-sgm3140.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/leds-sgm3140.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Luca Weiss <luca@z3ntu.xyz>
13 The SGM3140 is a current-regulated charge pump which can regulate two current
17 http://www.sg-micro.com/uploads/soft/20190626/1561535688.pdf
23 enable-gpios:
27 flash-gpios:
31 vin-supply:
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/Linux-v5.10/Documentation/devicetree/bindings/regulator/
Dgpio-regulator.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/regulator/gpio-regulator.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Liam Girdwood <lgirdwood@gmail.com>
11 - Mark Brown <broonie@kernel.org>
18 - $ref: "regulator.yaml#"
22 const: regulator-gpio
24 regulator-name: true
26 enable-gpios:
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/Linux-v5.10/Documentation/core-api/
Dworkqueue.rst33 thread system-wide. A single MT wq needed to keep around the same
60 * Use per-CPU unified worker pools shared by all wq to provide
83 called worker-pools.
85 The cmwq design differentiates between the user-facing workqueues that
87 which manages worker-pools and processes the queued work items.
89 There are two worker-pools, one for normal work items and the other
91 worker-pools to serve work items queued on unbound workqueues - the
102 When a work item is queued to a workqueue, the target worker-pool is
104 and appended on the shared worklist of the worker-pool. For example,
106 be queued on the worklist of either normal or highpri worker-pool that
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/Linux-v5.10/Documentation/block/
Dqueue-sysfs.rst11 read-write.
14 ---------------
19 ------------------
21 For a RAID device (dm-raid), chunk_sectors indicates the size in 512B sectors
22 of the RAID volume stripe segment. For a zoned block device, either host-aware
23 or host-managed, chunk_sectors indicates the size in 512B sectors of the zones
28 --------
30 used by CPU-addressable storage to bypass the pagecache. It shows '1'
34 ------------------------
40 -------------------------
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/Linux-v5.10/kernel/sched/
Dfair.c1 // SPDX-License-Identifier: GPL-2.0
26 * Targeted preemption latency for CPU-bound tasks:
29 * 'timeslice length' - timeslices in CFS are of variable length
30 * and have no persistent notion like in traditional, time-slice
34 * run vmstat and monitor the context-switches (cs) field)
42 * The initial- and re-scaling of tunables is configurable
46 * SCHED_TUNABLESCALING_NONE - unscaled, always *1
47 * SCHED_TUNABLESCALING_LOG - scaled logarithmical, *1+ilog(ncpus)
48 * SCHED_TUNABLESCALING_LINEAR - scaled linear, *ncpus
55 * Minimal preemption granularity for CPU-bound tasks:
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