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/linux-6.12.1/Documentation/devicetree/bindings/gpio/
Drealtek,otto-gpio.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/gpio/realtek,otto-gpio.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Realtek Otto GPIO controller
10 - Sander Vanheule <sander@svanheule.net>
11 - Bert Vermeulen <bert@biot.com>
14 Realtek's GPIO controller on their MIPS switch SoCs (Otto platform) consists
15 of two banks of 32 GPIOs. These GPIOs can generate edge-triggered interrupts.
20 allows for GPIO port use.
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/linux-6.12.1/drivers/gpio/
Dgpio-realtek-otto.c1 // SPDX-License-Identifier: GPL-2.0-only
3 #include <linux/gpio/driver.h>
29 /* Two bits per GPIO in IMR registers */
42 * realtek_gpio_ctrl - Realtek Otto GPIO driver data
45 * @base: Base address of the register block for a GPIO bank
49 * @bank_read: Read a bank setting as a single 32-bit value
50 * @bank_write: Write a bank setting as a single 32-bit value
53 * The DIR, DATA, and ISR registers consist of four 8-bit port values, packed
54 * into a single 32-bit register. Use @bank_read (@bank_write) to get (assign)
55 * a value from (to) these registers. The IMR register consists of four 16-bit
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DMakefile1 # SPDX-License-Identifier: GPL-2.0
2 # generic gpio support: platform drivers, dedicated expander chips, etc
4 ccflags-$(CONFIG_DEBUG_GPIO) += -DDEBUG
6 obj-$(CONFIG_GPIOLIB) += gpiolib.o
7 obj-$(CONFIG_GPIOLIB) += gpiolib-devres.o
8 obj-$(CONFIG_GPIOLIB) += gpiolib-legacy.o
9 obj-$(CONFIG_OF_GPIO) += gpiolib-of.o
10 obj-$(CONFIG_GPIO_CDEV) += gpiolib-cdev.o
11 obj-$(CONFIG_GPIO_SYSFS) += gpiolib-sysfs.o
12 obj-$(CONFIG_GPIO_ACPI) += gpiolib-acpi.o
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DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 # GPIO infrastructure and drivers
7 bool "GPIO Support"
9 This enables GPIO support through the generic GPIO library.
11 one or more of the GPIO drivers below.
47 this symbol, but new drivers should use the generic gpio-regmap
51 bool "Debug GPIO calls"
54 Say Y here to add some extra checks and diagnostics to GPIO calls.
57 non-sleeping contexts. They can make bitbanged serial protocols
62 bool "/sys/class/gpio/... (sysfs interface)" if EXPERT
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/linux-6.12.1/drivers/watchdog/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
16 on-line as fast as possible after a lock-up. There's both a watchdog
21 <file:Documentation/watchdog/watchdog-api.rst> in the kernel source.
51 bool "Update boot-enabled watchdog until userspace takes over"
77 bool "Enable watchdog hrtimer-based pretimeouts"
178 to toggle reset line if SoC fails to ping watchdog via GPIO.
198 tristate "ChromeOS EC-based watchdog"
252 tristate "Watchdog device controlled through GPIO-line"
257 controlled through GPIO-line.
280 will be called lenovo-se10-wdt.
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/linux-6.12.1/
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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DCREDITS1 This is at least a partial credits-file of people that have
4 scripts. The fields are: name (N), email (E), web-address
6 snail-mail address (S).
10 ----------
47 D: in-kernel DRM Maintainer
72 E: tim_alpaerts@toyota-motor-europe.com
76 S: B-2610 Wilrijk-Antwerpen
81 W: http://www-stu.christs.cam.ac.uk/~aia21/
102 D: Maintainer of ide-cd and Uniform CD-ROM driver,
103 D: ATAPI CD-Changer support, Major 2.1.x CD-ROM update.
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