Home
last modified time | relevance | path

Searched +full:led +full:- +full:0 (Results 1 – 25 of 250) sorted by relevance

12345678910

/Documentation/devicetree/bindings/leds/
Dleds-mt6360.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/leds-mt6360.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: LED driver for MT6360 PMIC from MediaTek Integrated.
10 - Gene Chen <gene_chen@richtek.com>
15 Add MT6360 LED driver include 2-channel Flash LED with torch/strobe mode,
16 and 4-channel RGB LED support Register/Flash/Breath Mode
20 const: mediatek,mt6360-led
22 "#address-cells":
[all …]
Dleds-lp55xx.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/leds-lp55xx.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: TI/National Semiconductor LP55xx and LP8501 LED Drivers
10 - Jacek Anaszewski <jacek.anaszewski@gmail.com>
11 - Pavel Machek <pavel@ucw.cz>
15 LED Drivers.
27 - national,lp5521
28 - national,lp5523
[all …]
Dcommon.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jacek Anaszewski <jacek.anaszewski@gmail.com>
11 - Pavel Machek <pavel@ucw.cz>
14 LED and flash LED devices provide the same basic functionality as current
15 regulators, but extended with LED and flash LED specific features like
18 Many LED devices expose more than one current output that can be connected
19 to one or more discrete LED component. Since the arrangement of connections
20 can influence the way of the LED device initialization, the LED components
[all …]
Dqcom,spmi-flash-led.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/qcom,spmi-flash-led.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Flash LED device inside Qualcomm Technologies, Inc. PMICs
10 - Fenglin Wu <quic_fenglinw@quicinc.com>
13 Flash LED controller is present inside some Qualcomm Technologies, Inc. PMICs.
14 The flash LED module can have different number of LED channels supported
24 - enum:
25 - qcom,pm6150l-flash-led
[all …]
Dleds-mt6323.txt1 Device Tree Bindings for LED support on MT6323 PMIC
3 MT6323 LED controller is subfunction provided by MT6323 PMIC, so the LED
5 PMIC controller that is being defined as one kind of Muti-Function Device (MFD)
15 - compatible : Must be one of
16 - "mediatek,mt6323-led"
17 - "mediatek,mt6331-led"
18 - "mediatek,mt6332-led"
19 - address-cells : Must be 1
20 - size-cells : Must be 0
22 Each led is represented as a child node of the mediatek,mt6323-led that
[all …]
Dleds-lp50xx.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/leds-lp50xx.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: LED driver for LP50XX RGB LED from Texas Instruments.
10 - Andrew Davis <afd@ti.com>
13 The LP50XX is multi-channel, I2C RGB LED Drivers that can group RGB LEDs into
14 a LED group or control them individually.
16 The difference in these RGB LED drivers is the number of supported RGB
27 - ti,lp5009
[all …]
Dawinic,aw200xx.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: AWINIC AW200XX LED
10 - Martin Kurbanov <mmkurbanov@sberdevices.ru>
13 It is a matrix LED driver programmed via an I2C interface. Devices have
16 - AW20036 (3x12) 36 LEDs
17 - AW20054 (6x9) 54 LEDs
18 - AW20072 (6x12) 72 LEDs
19 - AW20108 (9x12) 108 LEDs
[all …]
Dleds-lgm.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/leds-lgm.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Intel Lightning Mountain (LGM) SoC LED Serial Shift Output (SSO) Controller driver
10 - Zhu, Yi Xin <Yixin.zhu@intel.com>
11 - Amireddy Mallikarjuna reddy <mallikarjunax.reddy@intel.com>
15 const: intel,lgm-ssoled
23 clock-names:
25 - const: sso
[all …]
Dleds-lm3532.txt1 * Texas Instruments - lm3532 White LED driver with ambient light sensing
4 The LM3532 provides the 3 high-voltage, low-side current sinks. The device is
5 programmable over an I2C-compatible interface and has independent
7 method allows for different LED currents in each current sink thus allowing
11 each with 32 internal voltage setting resistors, 8-bit logarithmic and linear
16 - compatible : "ti,lm3532"
17 - reg : I2C slave address
18 - #address-cells : 1
19 - #size-cells : 0
22 - enable-gpios : gpio pin to enable (active high)/disable the device.
[all …]
Dkinetic,ktd202x.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Kinetic KTD2026/7 RGB/White LED Driver
10 - André Apitzsch <git@apitzsch.eu>
13 The KTD2026/7 is a RGB/White LED driver with I2C interface.
16 https://www.kinet-ic.com/uploads/KTD2026-7-04h.pdf
21 - kinetic,ktd2026
22 - kinetic,ktd2027
27 vin-supply:
[all …]
Dleds-aw2013.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/leds-aw2013.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: AWINIC AW2013 3-channel LED Driver
10 - Nikita Travkin <nikitos.tr@gmail.com>
13 The AW2013 is a 3-channel LED driver with I2C interface. It can control
14 LED brightness with PWM output.
25 description: Open-drain, low active interrupt pin "INTN".
26 Used to report completion of operations (power up, LED breath effects).
[all …]
Dleds-bcm6328.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/leds/leds-bcm6328.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Álvaro Fernández Rojas <noltari@gmail.com>
17 as spi-gpio. See
21 exporting the 74x164 as spi-gpio prevents those LEDs to be hardware
24 BCM6328 LED controller has a HWDIS register, which controls whether a LED
26 with 0 meaning hardware control enabled and 1 hardware control disabled. This
27 is usually 1:1 for hardware to LED signals, but through the activity/link
[all …]
Dissi,is31fl319x.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: ISSI LED Controllers for IS31FL319{0,1,3,6,9}
10 - Vincent Knecht <vincent.knecht@mailoo.org>
13 The IS31FL319X are LED controllers with I2C interface.
14 Previously known as Si-En SN319{0,1,3,6,9}.
26 - issi,is31fl3190
27 - issi,is31fl3191
28 - issi,is31fl3193
[all …]
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#
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
15 node's name represents the name of the corresponding LED.
19 const: gpio-leds
22 # The first form is preferred, but fall back to just 'led' anywhere in the
[all …]
Dleds-el15203000.txt1 Crane Merchandising System - EL15203000 LED driver
2 --------------------------------------------------
4 This LED Board (aka RED LEDs board) is widely used in
9 Vending area LED encoded with symbol 'V' (hex code 0x56).
12 Screen light tube LED which surrounds vending machine screen and
13 encoded with symbol 'S' (hex code 0x53). Supports blinking breathing pattern.
15 Water Pipe LED encoded with symbol 'P' (hex code 0x50) and
16 actually consists of 5 LEDs that exposed by protocol like one LED.
18 - cascade pattern
19 - inversed cascade pattern
[all …]
Donnn,ncp5623.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: ON Semiconductor NCP5623 multi-LED Driver
10 - Abdel Alkuor <alkuor@gmail.com>
13 NCP5623 Triple Output I2C Controlled LED Driver.
14 https://www.onsemi.com/pdf/datasheet/ncp5623-d.pdf
19 - onnn,ncp5623
22 const: 0x38
24 multi-led:
[all …]
Dleds-lm3697.txt1 * Texas Instruments - LM3697 Highly Efficient White LED Driver
3 The LM3697 11-bit LED driver provides high-
5 LED strings while delivering up to 90% efficiency.
10 - compatible:
12 - reg : I2C slave address
13 - #address-cells : 1
14 - #size-cells : 0
17 - enable-gpios : GPIO pin to enable/disable the device
18 - vled-supply : LED supply
21 - reg : 0 - LED is Controlled by bank A
[all …]
Dregister-bit-led.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/register-bit-led.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Linus Walleij <linus.walleij@linaro.org>
14 bits in a certain register can turn on/off a single LED. The register bit LEDs
20 - $ref: /schemas/leds/common.yaml#
25 The unit-address is in the form of @<reg addr>,<bit offset>
26 pattern: '^led@[0-9a-f]+,[0-9a-f]{1,2}$'
29 const: register-bit-led
[all …]
/Documentation/ABI/testing/
Dsysfs-class-led-trigger-netdev1 What: /sys/class/leds/<led>/device_name
4 Contact: linux-leds@vger.kernel.org
8 What: /sys/class/leds/<led>/interval
11 Contact: linux-leds@vger.kernel.org
13 Specifies the duration of the LED blink in milliseconds.
21 What: /sys/class/leds/<led>/link
24 Contact: linux-leds@vger.kernel.org
28 If set to 0 (default), the LED's normal state is off.
30 If set to 1, the LED's normal state reflects the link state
32 Setting this value also immediately changes the LED state.
[all …]
Dsysfs-class-led-trigger-tty4 Contact: linux-leds@vger.kernel.org
13 If set to 0, the LED will not blink on reception.
14 If set to 1 (default), the LED will blink on reception.
21 If set to 0, the LED will not blink on transmission.
22 If set to 1 (default), the LED will blink on transmission.
30 If the line state is detected, the LED is switched on.
31 If set to 0 (default), the LED will not evaluate CTS.
32 If set to 1, the LED will evaluate CTS.
40 If the line state is detected, the LED is switched on.
41 If set to 0 (default), the LED will not evaluate DSR.
[all …]
Dsysfs-class-led-flash1 What: /sys/class/leds/<led>/flash_brightness
6 Set the brightness of this LED in the flash strobe mode, in
7 microamperes. The file is created only for the flash LED devices
10 The value is between 0 and
11 /sys/class/leds/<led>/max_flash_brightness.
13 What: /sys/class/leds/<led>/max_flash_brightness
18 Maximum brightness level for this LED in the flash strobe mode,
21 What: /sys/class/leds/<led>/flash_timeout
28 of the strobe. The file is created only for the flash LED
31 What: /sys/class/leds/<led>/max_flash_timeout
[all …]
Dsysfs-class-led1 What: /sys/class/leds/<led>/brightness
6 Set the brightness of the LED.
9 just be turned on for non-zero brightness settings.
15 each color LED intensity is set to.
17 The percentage is calculated for each grouped LED via
23 Documentation/leds/leds-class-multicolor.rst.
25 The value is between 0 and
26 /sys/class/leds/<led>/max_brightness.
28 Writing 0 to this file clears active trigger.
30 Writing non-zero to this file while trigger is active changes the
[all …]
/Documentation/leds/
Dledtrig-transient.rst2 LED Transient Trigger
8 to be off. The delay_on value specifies the time period an LED should stay
9 in on state, followed by a delay_off value that specifies how long the LED
24 When an led class device driver registers itself, it can specify all leds
26 routine for the default trigger gets called. During registration of an led
27 class device, the LED state does not change.
30 trigger will be called, and LED state is changed to LED_OFF.
32 Driver suspend changes the LED state to LED_OFF and resume doesn't change
34 suspend and resume actions and the currently enabled trigger. LED state
37 being able to actually change the LED state. Once driver is resumed, triggers
[all …]
Dleds-class.rst2 LED handling under Linux
5 In its simplest form, the LED class just allows control of LEDs from
7 LED is defined in max_brightness file. The brightness file will set the brightness
8 of the LED (taking a value 0-max_brightness). Most LEDs don't have hardware
9 brightness support so will just be turned on for non-zero brightness settings.
11 The class also introduces the optional concept of an LED trigger. A trigger
12 is a kernel based source of led events. Triggers can either be simple or
14 existing subsystems with minimal additional code. Examples are the disk-activity,
15 nand-disk and sharpsl-charge triggers. With led triggers disabled, the code
18 Complex triggers while available to all LEDs have LED specific
[all …]
/Documentation/firmware-guide/acpi/dsd/
Dleds.rst1 .. SPDX-License-Identifier: GPL-2.0
9 device node, the LED driver chip. The "reg" property in the LED specific nodes
10 tells the numerical ID of each individual LED output to which the LEDs are
11 connected. [leds] The hierarchical data nodes are named "led@X", where X is the
12 number of the LED output.
14 Referring to LEDs in Device tree is documented in [video-interfaces], in
15 "flash-leds" property documentation. In short, LEDs are directly referred to by
19 combination of the LED driver device reference and an integer argument,
20 referring to the "reg" property of the relevant LED, is used to identify
22 firmware and software, it uniquely identifies the LED driver outputs.
[all …]

12345678910