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/linux/drivers/watchdog/
H A Dda9063_wdt.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Watchdog driver for DA9063 PMICs.
13 #include <linux/watchdog.h>
19 #include <linux/mfd/da9063/registers.h>
20 #include <linux/mfd/da9063/core.h>
25 * Watchdog selector to timeout in seconds.
27 * others: timeout = 2048 ms * 2^(TWDSCALE-1).
33 #define DA9063_TWDSCALE_MAX (ARRAY_SIZE(wdt_timeout) - 1)
53 * Zero means the watchdog is disabled.
55 static unsigned int da9063_wdt_read_timeout(struct da9063 *da9063) in da9063_wdt_read_timeout() argument
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H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
4 # Watchdog device configuration
7 menuconfig WATCHDOG config
8 bool "Watchdog Timer Support"
11 character special file /dev/watchdog with major number 10 and minor
12 number 130 using mknod ("man mknod"), you will get a watchdog, i.e.:
16 on-line as fast as possible after a lock-up. There's both a watchdog
18 reboot the machine) and a driver for hardware watchdog boards, which
21 <file:Documentation/watchdog/watchdog-api.rst> in the kernel source.
23 The watchdog is usually used together with the watchdog daemon
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/linux/Documentation/devicetree/bindings/mfd/
H A Ddlg,da9063.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mfd/dlg,da9063.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Steve Twiss <stwiss.opensource@diasemi.com>
13 For device-tree bindings of other sub-modules refer to the binding documents
14 under the respective sub-system directories.
15 Using regulator-{uv,ov}-{warn,error,protection}-microvolt requires special
17 moment where all voltage monitors are disabled. Next, as da9063 only supports
21 - https://www.dialog-semiconductor.com/products/da9063l
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/linux/include/linux/mfd/da9063/
H A Dcore.h1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Definitions for DA9063 MFD driver
15 #include <linux/mfd/da9063/registers.h>
17 /* DA9063 modules */
18 #define DA9063_DRVNAME_CORE "da9063-core"
19 #define DA9063_DRVNAME_REGULATORS "da9063-regulators"
20 #define DA9063_DRVNAME_LEDS "da9063-leds"
21 #define DA9063_DRVNAME_WATCHDOG "da9063-watchdog"
22 #define DA9063_DRVNAME_HWMON "da9063-hwmon"
23 #define DA9063_DRVNAME_ONKEY "da9063-onkey"
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/linux/drivers/mfd/
H A Dda9063-core.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Device access for Dialog DA9063 modules
24 #include <linux/mfd/da9063/core.h>
25 #include <linux/mfd/da9063/registers.h>
85 .of_compatible = "dlg,da9063-watchdog",
96 .of_compatible = "dlg,da9063-onkey",
103 /* Only present on DA9063 , not on DA9063L */
109 .of_compatible = "dlg,da9063-rtc",
113 static int da9063_clear_fault_log(struct da9063 *da9063) in da9063_clear_fault_log() argument
118 ret = regmap_read(da9063->regmap, DA9063_REG_FAULT_LOG, &fault_log); in da9063_clear_fault_log()
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H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
57 tristate "Active-semi ACT8945A"
62 Support for the ACT8945A PMIC from Active-semi. This device
63 features three step-down DC/DC converters and four low-dropout
79 sun4i-gpadc-iio and the hwmon driver iio_hwmon.
82 called sun4i-gpadc.
113 tablets etc. It has 4 DC/DC step-down regulators, 3 DC/DC step-down
115 over current monitoring, GPIOs, ADC and a watchdog.
144 over at91-usart-serial driver and usart-spi-driver. Only one function
160 tristate "Atmel HLCDC (High-end LCD Controller)"
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/linux/arch/riscv/boot/dts/sifive/
H A Dhifive-unmatched-a00.dts1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
4 #include "fu740-c000.dtsi"
5 #include <dt-bindings/gpio/gpio.h>
6 #include <dt-bindings/interrupt-controller/irq.h>
7 #include <dt-bindings/leds/common.h>
8 #include <dt-bindings/pwm/pwm.h>
15 compatible = "sifive,hifive-unmatched-a00", "sifive,fu740-c000",
19 stdout-path = "serial0";
23 timebase-frequency = <RTCCLK_FREQ>;
32 #clock-cells = <0>;
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/linux/Documentation/devicetree/bindings/watchdog/
H A Ddlg,da9062-watchdog.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/watchdog/dlg,da9062-watchdog.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Dialog Semiconductor DA906{1,2,3} Watchdog Timer
10 - Steve Twiss <stwiss.opensource@diasemi.com>
13 - $ref: watchdog.yaml#
18 - enum:
19 - dlg,da9062-watchdog
20 - dlg,da9063-watchdog
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/linux/arch/arm/boot/dts/nxp/imx/
H A Dimx6qdl-phytec-phycore-som.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 #include <dt-bindings/gpio/gpio.h>
8 #include <dt-bindings/regulator/dlg,da9063-regulator.h>
26 compatible = "gpio-leds";
27 pinctrl-names = "default";
28 pinctrl-0 = <&pinctrl_gpioleds_som>;
30 som-led-green {
33 linux,default-trigger = "heartbeat";
39 pinctrl-names = "default";
40 pinctrl-0 = <&pinctrl_ecspi1>;
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H A Dimx6ull-dhcor-som.dtsi1 // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
6 #include <dt-bindings/clock/imx6ul-clock.h>
7 #include <dt-bindings/gpio/gpio.h>
8 #include <dt-bindings/input/input.h>
9 #include <dt-bindings/leds/common.h>
10 #include <dt-bindings/pwm/pwm.h>
11 #include <dt-bindings/regulator/dlg,da9063-regulator.h>
16 /delete-property/ mmc0;
17 /delete-property/ mmc1;
21 /* Appropriate memory size will be filled by U-Boot */
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/linux/drivers/rtc/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
44 This clock should be battery-backed, so that it reads the correct
45 time when the system boots from a power-off state. Otherwise, your
141 once-per-second update interrupts, used for synchronization.
159 will be called rtc-test.
173 will be called rtc-88pm860x.
183 will be called rtc-88pm80x.
193 will be called rtc-88pm886.
197 tristate "Abracon AB-RTCMC-32.768kHz-B5ZE-S3"
200 AB-RTCMC-32.768kHz-B5ZE-S3 I2C RTC chip.
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/linux/
H A DMAINTAINERS5 ---------------------------------------------------
21 W: *Web-page* with status/info
23 B: URI for where to file *bugs*. A web-page with detailed bug
28 patches to the given subsystem. This is either an in-tree file,
29 or a URI. See Documentation/maintainer/maintainer-entry-profile.rst
46 N: [^a-z]tegra all files whose path contains tegra
64 ----------------
83 3WARE SAS/SATA-RAID SCSI DRIVERS (3W-XXXX, 3W-9XXX, 3W-SAS)
85 L: linux-scsi@vger.kernel.org
88 F: drivers/scsi/3w-*
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