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/Linux-v5.10/Documentation/devicetree/bindings/leds/
Dleds-gpio.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/leds/leds-gpio.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: LEDs connected to GPIO lines
10 - Jacek Anaszewski <jacek.anaszewski@gmail.com>
11 - Pavel Machek <pavel@ucw.cz>
14 Each LED is represented as a sub-node of the gpio-leds device. Each
19 const: gpio-leds
24 "(^led-[0-9a-f]$|led)":
[all …]
Dleds-ns2.txt1 Binding for dual-GPIO LED found on Network Space v2 (and parents).
4 - compatible: "lacie,ns2-leds".
6 Each LED is represented as a sub-node of the ns2-leds device.
8 Required sub-node properties:
9 - cmd-gpio: Command LED GPIO. See OF device-tree GPIO specification.
10 - slow-gpio: Slow LED GPIO. See OF device-tree GPIO specification.
11 - modes-map: A mapping between LED modes (off, on or SATA activity blinking) and
12 the corresponding cmd-gpio/slow-gpio values. All the GPIO values combinations
15 Optional sub-node properties:
16 - label: Name for this LED. If omitted, the label is taken from the node name.
[all …]
Dleds-pca955x.txt1 * NXP - pca955x LED driver
4 to control LEDs can be used as general purpose I/Os. The GPIO pins can
5 be input or output, and output pins can also be pulse-width controlled.
8 - compatible : should be one of :
14 - #address-cells: must be 1
15 - #size-cells: must be 0
16 - reg: I2C slave address. depends on the model.
19 - gpio-controller: allows pins to be used as GPIOs.
20 - #gpio-cells: must be 2.
21 - gpio-line-names: define the names of the GPIO lines
[all …]
Dleds-netxbig.txt1 Binding for the CPLD LEDs (GPIO extension bus) found on some LaCie/Seagate
5 - compatible: "lacie,netxbig-leds".
6 - gpio-ext: Phandle for the gpio-ext bus.
9 - timers: Timer array. Each timer entry is represented by three integers:
10 Mode (gpio-ext bus), delay_on and delay_off.
12 Each LED is represented as a sub-node of the netxbig-leds device.
14 Required sub-node properties:
15 - mode-addr: Mode register address on gpio-ext bus.
16 - mode-val: Mode to value mapping. Each entry is represented by two integers:
17 A mode and the corresponding value on the gpio-ext bus.
[all …]
Dcommon.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/leds/common.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Common leds properties
10 - Jacek Anaszewski <jacek.anaszewski@gmail.com>
11 - Pavel Machek <pavel@ucw.cz>
25 led-sources:
30 $ref: /schemas/types.yaml#definitions/uint32-array
35 from the header include/dt-bindings/leds/common.h. If there is no
[all …]
/Linux-v5.10/drivers/leds/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
13 LEDs from both userspace and optionally, by kernel events (triggers).
20 This option enables the LED sysfs class in /sys/class/leds. You'll
21 need this to do anything useful with LEDs. If unsure, say N.
27 This option enables the flash LED sysfs class in /sys/class/leds.
28 It wraps LED Class and adds flash LEDs specific sysfs attributes
37 This option enables the multicolor LED sysfs class in /sys/class/leds.
40 for multicolor LEDs that are grouped together. This class is not
41 intended for single color LEDs. It can be built as a module.
48 for LED sysfs class devices under /sys/class/leds.
[all …]
Dleds-pca955x.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright 2007-2008 Extreme Engineering Solutions, Inc.
5 * Author: Nate Case <ncase@xes-inc.com>
11 * Device Description 7-bit slave address
12 * ------ ----------- -------------------
13 * PCA9550 2-bit driver 0x60 .. 0x61
14 * PCA9551 8-bit driver 0x60 .. 0x67
15 * PCA9552 16-bit driver 0x60 .. 0x67
16 * PCA9553/01 4-bit driver 0x62
17 * PCA9553/02 4-bit driver 0x63
[all …]
Dleds-gpio.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * LEDs driver for GPIOs
10 #include <linux/gpio.h>
11 #include <linux/gpio/consumer.h>
13 #include <linux/leds.h>
45 if (led_dat->blinking) { in gpio_led_set()
46 led_dat->platform_gpio_blink_set(led_dat->gpiod, level, in gpio_led_set()
48 led_dat->blinking = 0; in gpio_led_set()
50 if (led_dat->can_sleep) in gpio_led_set()
51 gpiod_set_value_cansleep(led_dat->gpiod, level); in gpio_led_set()
[all …]
Dleds-pca9532.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * pca9532.c - 16-bit Led dimmer
14 #include <linux/leds.h>
18 #include <linux/leds-pca9532.h>
19 #include <linux/gpio/driver.h>
41 struct pca9532_led leds[16]; member
46 struct gpio_chip gpio; member
103 .name = "leds-pca953x",
111 /* We have two pwm/blinkers, but 16 possible leds to drive. Additionally,
114 * leds that are not ON/OFF.
[all …]
Dleds-gpio-register.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
7 #include <linux/leds.h>
12 * gpio_led_register_device - register a gpio-led device
15 * Makes a copy of pdata and pdata->leds and registers a new leds-gpio device
16 * with the result. This allows to have pdata and pdata-leds in .init.rodata
28 if (!pdata->num_leds) in gpio_led_register_device()
29 return ERR_PTR(-EINVAL); in gpio_led_register_device()
31 _pdata.leds = kmemdup(pdata->leds, in gpio_led_register_device()
32 pdata->num_leds * sizeof(*pdata->leds), GFP_KERNEL); in gpio_led_register_device()
[all …]
Dleds-netxbig.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * leds-netxbig.c - Driver for the 2Big and 5Big Network series LEDs
15 #include <linux/gpio/consumer.h>
16 #include <linux/leds.h>
58 struct netxbig_led *leds; member
63 * GPIO extension bus.
72 for (pin = 0; pin < gpio_ext->num_addr; pin++) in gpio_ext_set_addr()
73 gpiod_set_value(gpio_ext->addr[pin], (addr >> pin) & 1); in gpio_ext_set_addr()
80 for (pin = 0; pin < gpio_ext->num_data; pin++) in gpio_ext_set_data()
81 gpiod_set_value(gpio_ext->data[pin], (data >> pin) & 1); in gpio_ext_set_data()
[all …]
Dleds-tca6507.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * leds-tca6507
9 * blink or double-blink.
11 * This driver can configure each line either as a 'GPIO' which is
12 * out-only (pull-up resistor required) or as an LED with variable
13 * brightness and hardware-assisted blinking.
21 * with separate time for rise, on, fall, off and second-off. Thus if
22 * 3 or more different non-trivial rates are required, software must
25 * support double-blink so 'second-off' always matches 'off'.
42 * delays in the ranges: 56-72, 112-144, 168-216, 224-27504,
[all …]
/Linux-v5.10/arch/x86/platform/geode/
Dgeos.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * At the moment this means setup of GPIO control of LEDs.
8 * and Philip Prindeville <philipp@redfish-solutions.com>
10 * TODO: There are large similarities with leds-net5501.c
12 * In the future leds-net5501.c should be migrated over to platform
19 #include <linux/leds.h>
30 .gpio = 3,
46 .name = "gpio-keys-polled",
56 .gpio = 6,
57 .default_trigger = "default-on",
[all …]
Dalix.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * At the moment this means setup of GPIO control of LEDs
9 * and Philip Prindeville <philipp@redfish-solutions.com>
11 * TODO: There are large similarities with leds-net5501.c
13 * In the future leds-net5501.c should be migrated over to platform
21 #include <linux/leds.h>
46 .gpio = 24,
62 .name = "gpio-keys-polled",
72 .gpio = 6,
73 .default_trigger = "default-on",
[all …]
/Linux-v5.10/arch/arm/boot/dts/
Dkirkwood-d2net.dts1 // SPDX-License-Identifier: GPL-2.0
9 /dts-v1/;
11 #include <dt-bindings/leds/leds-ns2.h>
12 #include "kirkwood-netxbig.dtsi"
16 compatible = "lacie,d2net_v2", "lacie,netxbig", "marvell,kirkwood-88f6281", "marvell,kirkwood";
23 ns2-leds {
24 compatible = "lacie,ns2-leds";
26 blue-sata {
28 slow-gpio = <&gpio0 29 GPIO_ACTIVE_HIGH>;
29 cmd-gpio = <&gpio0 30 GPIO_ACTIVE_HIGH>;
[all …]
Darmada-370-seagate-nas-4bay.dts1 // SPDX-License-Identifier: GPL-2.0
3 * Device Tree file for Seagate NAS 4-Bay (Armada 370 SoC).
13 * Product name : Seagate NAS 4-Bay
14 * Code name (board/PCB) : Dart 4-Bay
19 /dts-v1/;
20 #include "armada-370-seagate-nas-xbay.dtsi"
21 #include <dt-bindings/leds/leds-ns2.h>
24 model = "Seagate NAS 4-Bay (Dart, SRPD40)";
25 compatible = "seagate,dart-4", "marvell,armada370", "marvell,armada-370-xp";
28 internal-regs {
[all …]
Dkirkwood-synology.dtsi1 // SPDX-License-Identifier: GPL-2.0
12 pinctrl: pin-controller@10000 {
13 pmx_alarmled_12: pmx-alarmled-12 {
15 marvell,function = "gpio";
18 pmx_fanctrl_15: pmx-fanctrl-15 {
20 marvell,function = "gpio";
23 pmx_fanctrl_16: pmx-fanctrl-16 {
25 marvell,function = "gpio";
28 pmx_fanctrl_17: pmx-fanctrl-17 {
30 marvell,function = "gpio";
[all …]
Dmvebu-linkstation-gpio-simple.dtsi2 * Device Tree common file for gpio-{keys,leds} on Buffalo Linkstation
7 * This file is dual-licensed: you can use it either under the terms
46 #include <dt-bindings/input/input.h>
50 compatible = "gpio-keys";
51 #address-cells = <1>;
52 #size-cells = <0>;
53 pinctrl-0 = <&pmx_power_switch>;
54 pinctrl-names = "default";
56 power-on-switch {
57 label = "Power-on Switch";
[all …]
/Linux-v5.10/Documentation/driver-api/gpio/
Ddrivers-on-gpio.rst2 Subsystem drivers using GPIO
5 Note that standard kernel drivers exist for common GPIO tasks and will provide
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
21 GPIO line cannot generate interrupts, so it needs to be periodically polled
[all …]
/Linux-v5.10/drivers/leds/trigger/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
6 This option enables trigger support for the leds class.
7 These triggers allow kernel events to drive the LEDs and can
15 This allows LEDs to be controlled by a programmable timer
18 For more details read Documentation/leds/leds-class.rst.
23 tristate "LED One-shot Trigger"
25 This allows LEDs to blink in one-shot pulses with parameters
39 This allows LEDs to be controlled by disk activity.
46 This allows LEDs to be controlled by MTD activity.
52 This allows LEDs to be controlled by a CPU load average.
[all …]
/Linux-v5.10/drivers/platform/x86/
Dpcengines-apuv2.c1 // SPDX-License-Identifier: GPL-2.0+
4 * PC-Engines APUv2/APUv3 board platform driver
5 * for GPIO buttons and LEDs
16 #include <linux/leds.h>
20 #include <linux/gpio/machine.h>
22 #include <linux/platform_data/gpio/gpio-amd-fch.h>
25 * NOTE: this driver only supports APUv2/3 - not APUv1, as this one
38 /* Order in which the GPIO lines are defined in the register list */
47 /* GPIO device */
60 [APU2_GPIO_LINE_LED1] = "front-led1",
[all …]
Dintel_atomisp2_led.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Driver for controlling LEDs for cameras connected to the Intel atomisp2
4 * The main purpose of this driver is to turn off LEDs which are on at boot.
10 #include <linux/gpio/consumer.h>
11 #include <linux/gpio/machine.h>
12 #include <linux/leds.h>
18 /* This must be leds-gpio as the leds-gpio driver binds to the name */
19 #define DEV_NAME "leds-gpio"
30 .leds = atomisp2_leds,
84 return -ENODEV; in atomisp2_led_init()
[all …]
/Linux-v5.10/arch/mips/bcm63xx/boards/
Dboard_bcm963xx.c1 // SPDX-License-Identifier: GPL-2.0-only
56 .leds = {
59 .gpio = 37,
60 .default_trigger= "default-on",
83 .leds = {
85 .name = "96328avng::ppp-fail",
86 .gpio = 2,
91 .gpio = 4,
93 .default_trigger = "default-on",
96 .name = "96328avng::power-fail",
[all …]
/Linux-v5.10/Documentation/devicetree/bindings/mfd/
Dmax77650.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: MAX77650 ultra low-power PMIC from Maxim Integrated.
10 - Bartosz Golaszewski <bgolaszewski@baylibre.com>
13 MAX77650 is an ultra-low power PMIC providing battery charging and power
14 supply for low-power IoT and wearable applications.
16 The GPIO-controller module is represented as part of the top-level PMIC
17 node. The device exposes a single GPIO line.
19 For device-tree bindings of other sub-modules (regulator, power supply,
[all …]
Drohm,bd71828-pmic.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/mfd/rohm,bd71828-pmic.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
13 BD71828GW is a single-chip power management IC for battery-powered portable
15 single-cell linear charger. Also included is a Coulomb counter, a real-time
30 gpio-controller: true
32 "#gpio-cells":
36 flags. See ../gpio/gpio.txt for more information.
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