Lines Matching +full:system +full:- +full:on +full:- +full:chip
6 the right in-kernel and userspace APIs/ABIs for the job, and that these
10 - leds-gpio: drivers/leds/leds-gpio.c will handle LEDs connected to GPIO
13 - ledtrig-gpio: drivers/leds/trigger/ledtrig-gpio.c will provide a LED trigger,
14 i.e. a LED will turn on/off in response to a GPIO line going high or low
15 (and that LED may in turn use the leds-gpio as per above).
17 - gpio-keys: drivers/input/keyboard/gpio_keys.c is used when your GPIO line
20 - gpio-keys-polled: drivers/input/keyboard/gpio_keys_polled.c is used when your
24 - gpio_mouse: drivers/input/mouse/gpio_mouse.c is used to provide a mouse with
29 - gpio-beeper: drivers/input/misc/gpio-beeper.c is used to provide a beep from
31 off/on, for an actual PWM waveform, see pwm-gpio below.)
33 - pwm-gpio: drivers/pwm/pwm-gpio.c is used to toggle a GPIO with a high
34 resolution timer producing a PWM waveform on the GPIO line, as well as
37 - extcon-gpio: drivers/extcon/extcon-gpio.c is used when you need to read an
41 - restart-gpio: drivers/power/reset/gpio-restart.c is used to restart/reboot
42 the system by pulling a GPIO line and will register a restart handler so
43 userspace can issue the right system call to restart the system.
45 - poweroff-gpio: drivers/power/reset/gpio-poweroff.c is used to power the
46 system down by pulling a GPIO line and will register a pm_power_off()
47 callback so that userspace can issue the right system call to power down the
48 system.
50 - gpio-gate-clock: drivers/clk/clk-gpio.c is used to control a gated clock
51 (off/on) that uses a GPIO, and integrated with the clock subsystem.
53 - i2c-gpio: drivers/i2c/busses/i2c-gpio.c is used to drive an I2C bus
55 appear as any other I2C bus to the system and makes it possible to connect
56 drivers for the I2C devices on the bus like any other I2C bus driver.
58 - spi_gpio: drivers/spi/spi-gpio.c is used to drive an SPI bus (variable number
59 of wires, at least SCK and optionally MISO, MOSI and chip select lines) using
60 GPIO hammering (bitbang). It will appear as any other SPI bus on the system
61 and makes it possible to connect drivers for SPI devices on the bus like
65 - w1-gpio: drivers/w1/masters/w1-gpio.c is used to drive a one-wire bus using
66 a GPIO line, integrating with the W1 subsystem and handling devices on
69 - gpio-fan: drivers/hwmon/gpio-fan.c is used to control a fan for cooling the
70 system, connected to a GPIO line (and optionally a GPIO alarm line),
71 presenting all the right in-kernel and sysfs interfaces to make your system
74 - gpio-regulator: drivers/regulator/gpio-regulator.c is used to control a
78 - gpio-wdt: drivers/watchdog/gpio_wdt.c is used to provide a watchdog timer
80 it from 1-to-0-to-1. If that hardware does not receive its "ping"
81 periodically, it will reset the system.
83 - gpio-nand: drivers/mtd/nand/raw/gpio.c is used to connect a NAND flash chip
85 NAND flash MTD subsystem and provides chip access and partition parsing like
88 - ps2-gpio: drivers/input/serio/ps2-gpio.c is used to drive a PS/2 (IBM) serio
90 any other serio bus to the system and makes it possible to connect drivers
93 - cec-gpio: drivers/media/platform/cec-gpio/ is used to interact with a CEC
95 with devices on the HDMI bus.
97 - gpio-charger: drivers/power/supply/gpio-charger.c is used if you need to do
104 - gpio-mux: drivers/mux/gpio.c is used for controlling a multiplexer using
106 different GPIO lines. Often the GPIOs are on a SoC and the devices are
107 some SoC-external entities, such as different components on a PCB that
113 MTD NOR flash has add-ons for extra GPIO lines too, though the address bus is
119 speed up your embedded hacking in particular by providing ready-made components.