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/freebsd-src/share/man/man9/
H A Dinittodr.948 the system's battery backed clock and the time obtained from the root
56 .Bl -bullet
58 If the battery-backed clock has a valid time, it is used.
60 .\" If the battery-backed clock does not have a valid time, and
67 .\" If the battery-backed clock appears invalid, and
69 .\" appears non-sensical or was not provided (was given as zero),
73 If the battery-backed clock does not have a valid time,
88 .Bl -bullet
90 The battery-backed clock's time appears nonsensical.
98 .\" time and the battery-backed clock's time differ by a large amount.
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H A Dresettodr.937 .Nd set battery-backed clock from system time
46 function sets the system's battery-backed clock based on the contents
/freebsd-src/sys/contrib/device-tree/Bindings/rtc/
H A Drtc-meson.txt4 - compatible: should be one of the following describing the hardware:
5 * "amlogic,meson6-rtc"
6 * "amlogic,meson8-rtc"
7 * "amlogic,meson8b-rtc"
8 * "amlogic,meson8m2-rtc"
10 - reg: physical register space for the controller's memory mapped registers.
11 - interrupts: the interrupt line of the RTC block.
12 - clocks: reference to the external 32.768kHz crystal oscillator.
13 - vdd-supply: reference to the power supply of the RTC block.
14 - resets: reset controller reference to allow reset of the controller
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H A Dtrivial-rtc.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/rtc/trivial-rtc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Alexandre Belloni <alexandre.belloni@bootlin.com>
18 -
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/freebsd-src/sys/contrib/device-tree/Bindings/mfd/
H A Dstericsson,ab8500.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: ST-Ericsso
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H A Datmel-gpbr.txt3 The GPBR are a set of battery-backed registers.
6 - compatible: Should be one of the following:
7 "atmel,at91sam9260-gpbr", "syscon"
8 "microchip,sam9x60-gpbr", "syscon"
9 "microchip,sam9x7-gpbr", "microchip,sam9x60-gpbr", "syscon"
10 - reg: contains offset/length value of the GPBR memory
16 compatible = "atmel,at91sam9260-gpbr", "syscon";
H A Dnxp,bbnsm.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: NXP Battery-Backed Non-Secure Module
10 - Jacky Bai <ping.bai@nxp.com>
13 NXP BBNSM serves as non-volatile logic and storage for the system.
17 significant 32 bits of the real-time counter match the value in the
26 - enum:
27 - nxp,imx93-bbnsm
28 - const: syscon
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/freebsd-src/share/man/man4/
H A Dds3231.430 .Nd Extremely Accurate i2c-integrated real-time clock (RTC)/TCXO/Crystal
38 is a low-cost, extremely accurate I2C realtime clock (RTC) with an
39 integrated temperature-compensated crystal oscillator (TCXO) and crystal.
41 The device incorporates a battery input and maintains accurate timekeeping
49 .Bd -literal
62 .Bl -tag -width ".Va dev.ds3231.%d.temperature"
64 The read-only value of the current temperature read by the RTC.
74 is set to square-wav
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/freebsd-src/sys/dev/iicbus/rtc/
H A Dds3231.c1 /*-
2 * Copyright (c) 2014-2015 Luiz Otavio O Souza <loos@FreeBSD.org>
29 * Driver for Maxim DS3231[N] real-time clock/calendar.
87 error = ds3231_read1(sc->sc_dev, DS3231_CONTROL, &sc->sc_ctrl); in ds3231_ctrl_read()
89 device_printf(sc->sc_dev, "cannot read from RTC.\n"); in ds3231_ctrl_read()
102 data = sc->sc_ctrl & ~DS3231_CTRL_MASK; in ds3231_ctrl_write()
103 error = ds3231_write1(sc->sc_dev, DS3231_CONTROL, data); in ds3231_ctrl_write()
105 device_printf(sc->sc_dev, "cannot write to RTC.\n"); in ds3231_ctrl_write()
115 error = ds3231_read1(sc->sc_de in ds3231_status_read()
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H A Dds13rtc.c1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
30 * Driver for Dallas/Maxim DS13xx real-time clock/calendar chips:
32 * - DS1307 = Original/basic rtc + 56 bytes ram; 5v only.
33 * - DS1308 = Updated 1307, available in 1.8v-5v variations.
34 * - DS1337 = Like 1308, integrated xtal, 32khz output on at powerup.
35 * - DS1338 = Like 1308, integrated xtal.
36 * - DS1339 = Like 1337, integrated xtal, integrated trickle charger.
37 * - DS1340 = Like 1338, ST M41T00 compatible.
38 * - DS1341 = Like 1338, can slave-sync osc to external clock signal.
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/freebsd-src/share/dict/
H A Dweb2a4 A battery
12 A-b-c book
13 A-b-c method
14 abdomino-uterotomy
15 Abdul-baha
16 a-be
20 able-bodied
21 able-bodiedness
22 able-minded
23 able-mindedness
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H A Dweb217341 backed
19323 battery
99810 Jean-Christophe
99811 Jean-Pierre
/freebsd-src/share/doc/smm/01.setup/
H A D2.t49 Intel 386/486-based machines (ISA/AT or EISA bus only)
51 Sony News MIPS-based workstations
53 Omron Luna 68000-based workstations
150 HP-IB/CS80 (7912, 7914, 7933, 7936, 7945, 7957, 7958, 7959, 2200, 2203)
151 and SCSI-I (including magneto-optical).
155 Low-density CS80 cartridge (7914, 7946, 9144),
156 high-density CS80 cartridge (9145),
162 98644 built-in single-port, 98642 4-port and 98638 8-port interfaces.
185 Battery-backed real time clock,
186 builtin and 98625A/B HP-IB interfaces,
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/freebsd-src/sys/contrib/device-tree/src/arm/aspeed/
H A Daspeed-bmc-facebook-bletchley.dts1 // SPDX-License-Identifier: GPL-2.0+
3 /dts-v1/;
5 #include "aspeed-g6.dtsi"
6 #include <dt-bindings/gpio/aspeed-gpio.h>
7 #include <dt-bindings/usb/pd.h>
8 #include <dt-bindings/leds/leds-pca955x.h>
9 #include <dt-bindings/interrupt-controller/irq.h>
10 #include <dt-bindings/i2c/i2c.h>
14 compatible = "facebook,bletchley-bmc", "aspeed,ast2600";
29 iio-hwmon {
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/freebsd-src/sys/dev/smartpqi/
H A Dsmartpqi_init.c1 /*-
2 * Copyright 2016-2023 Microchip Technology, Inc. and/or its subsidiaries.
83 softs->pqi_dev_cap.max_iqs = capability->max_iqs; in pqisrc_report_pqi_capability()
84 softs->pqi_dev_cap.max_iq_elements = capability->max_iq_elements; in pqisrc_report_pqi_capability()
85 softs->pqi_dev_cap.max_iq_elem_len = capability->max_iq_elem_len; in pqisrc_report_pqi_capability()
86 softs->pqi_dev_cap.min_iq_elem_len = capability->min_iq_elem_len; in pqisrc_report_pqi_capability()
87 softs->pqi_dev_cap.max_oqs = capability->max_oqs; in pqisrc_report_pqi_capability()
88 softs->pqi_dev_cap.max_oq_elements = capability->max_oq_elements; in pqisrc_report_pqi_capability()
89 softs->pqi_dev_cap.max_oq_elem_len = capability->max_oq_elem_len; in pqisrc_report_pqi_capability()
90 softs->pqi_dev_cap.intr_coales_time_granularity = capability->intr_coales_time_granularity; in pqisrc_report_pqi_capability()
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/freebsd-src/share/doc/papers/timecounter/
H A Dtimecounter.ms5 .\" ----------------------------------------------------------------------------
6 .\" "THE BEER-WARE LICENSE" (Revision 42):
9 .\" this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
10 .\" ----------------------------------------------------------------------------
16 .A "Poul-Henning Kamp" "The FreeBSD Project"
18 The FreeBSD timecounters are an architecture-independent implementation
21 multiplication to canonical timescales based on micro- or nano-seconds
23 synchronisation. Timecounters are implemented using lock-less
24 stable-storage based primitives which scale efficiently in SMP
56 One of the ``advanced technologies'' in the ``IBM PC/AT'' was a battery
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/freebsd-src/share/misc/
H A Dusb_vendors6 # http://www.linux-usb.org/usb-ids.html
7 # or send entries as patches (diff -u old new) in the
10 # http://www.linux-usb.org/usb.ids
13 # Date: 2024-12-04 20:34:02
20 # device device_name <-- single tab
21 # interface interface_name <-- tw
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