Home
last modified time | relevance | path

Searched +full:led +full:- +full:active +full:- +full:low (Results 1 – 25 of 312) sorted by relevance

12345678910>>...13

/linux/Documentation/devicetree/bindings/leds/
H A 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
27 is usually 1:1 for hardware to LED signals, but through the activity/link
29 explained later in brcm,link-signal-sources). Even if a LED is hardware
[all …]
H A Dleds-bcm6358.txt5 which can either be controlled by software (exporting the 74x164 as spi-gpio.
10 - compatible : should be "brcm,bcm6358-leds".
11 - #address-cells : must be 1.
12 - #size-cells : must be 0.
13 - reg : BCM6358 LED controller address and size.
16 - brcm,clk-div : SCK signal divider. Possible values are 1, 2, 4 and 8.
18 - brcm,clk-dat-low : Boolean, makes clock and data signals active low.
21 Each LED is represented as a sub-node of the brcm,bcm6358-leds device.
23 LED sub-node required properties:
24 - reg : LED pin number (only LEDs 0 to 31 are valid).
[all …]
H A Dleds-pwm-multicolor.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/leds-pwm-multicolor.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Multi-color LEDs connected to PWM
10 - Sven Schwermer <sven.schwermer@disruptive-technologies.com>
13 This driver combines several monochrome PWM LEDs into one multi-color
14 LED using the multicolor LED class.
18 const: pwm-leds-multicolor
20 multi-led:
[all …]
H A 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 …]
/linux/arch/mips/boot/dts/brcm/
H A Dbcm63268-comtrend-vr-3032u.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
7 compatible = "comtrend,vr-3032u", "brcm,bcm63268";
8 model = "Comtrend VR-3032u";
17 stdout-path = &uart0;
23 brcm,serial-leds;
24 brcm,serial-dat-low;
25 brcm,serial-shift-inv;
27 led@0 {
29 brcm,hardware-controlled;
[all …]
H A Dbcm6358-neufbox4-sercomm.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
7 compatible = "sfr,nb4-ser", "brcm,bcm6358";
17 stdout-path = &uart0;
24 led@0 {
26 active-low;
27 label = "nb4-ser:white:alarm";
29 led@2 {
31 active-low;
32 label = "nb4-ser:white:tv";
[all …]
/linux/Documentation/devicetree/bindings/leds/irled/
H A Dir-spi-led.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/leds/irled/ir-spi-led.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: IR LED connected through SPI bus
10 - Sean Young <sean@mess.org>
13 IR LED switch is connected to the MOSI line of the SPI device and the data
17 - $ref: /schemas/spi/spi-peripheral-props.yaml#
21 const: ir-spi-led
26 duty-cycle:
[all …]
/linux/arch/arm64/boot/dts/broadcom/bcmbca/
H A Dbcm4908-asus-gt-ac5300.dts1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
3 #include <dt-bindings/gpio/gpio.h>
4 #include <dt-bindings/input/input.h>
5 #include <dt-bindings/leds/common.h>
10 compatible = "asus,gt-ac5300", "brcm,bcm4908", "brcm,bcmbca";
11 model = "Asus GT-AC5300";
18 gpio-keys-polled {
19 compatible = "gpio-keys-polled";
20 poll-interval = <100>;
22 key-wifi {
[all …]
/linux/drivers/leds/
H A Dleds-bcm6358.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Driver for BCM6358 memory-mapped LEDs, based on leds-syscon.c
31 * struct bcm6358_led - state container for bcm6358 based LEDs
32 * @cdev: LED class device for this LED
35 * @pin: LED pin number
36 * @active_low: LED is active low
78 struct bcm6358_led *led = in bcm6358_led_set() local
82 spin_lock_irqsave(led->lock, flags); in bcm6358_led_set()
83 bcm6358_led_busy(led->mem); in bcm6358_led_set()
84 val = bcm6358_led_read(led->mem + BCM6358_REG_MODE); in bcm6358_led_set()
[all …]
H A Dleds-sc27xx-bltc.c1 // SPDX-License-Identifier: GPL-2.0
52 bool active; member
84 return leds->priv->base + SC27XX_LEDS_OFFSET * leds->line; in sc27xx_led_get_offset()
90 u32 ctrl_base = leds->priv->base + SC27XX_LEDS_CTRL; in sc27xx_led_enable()
91 u8 ctrl_shift = SC27XX_CTRL_SHIFT * leds->line; in sc27xx_led_enable()
92 struct regmap *regmap = leds->priv->regmap; in sc27xx_led_enable()
109 struct regmap *regmap = leds->priv->regmap; in sc27xx_led_disable()
110 u32 ctrl_base = leds->priv->base + SC27XX_LEDS_CTRL; in sc27xx_led_disable()
111 u8 ctrl_shift = SC27XX_CTRL_SHIFT * leds->line; in sc27xx_led_disable()
122 mutex_lock(&leds->priv->lock); in sc27xx_led_set()
[all …]
H A Dleds-bcm6328.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Driver for BCM6328 memory-mapped LEDs, based on leds-syscon.c
59 * struct bcm6328_led - state container for bcm6328 based LEDs
60 * @cdev: LED class device for this LED
63 * @pin: LED pin number
66 * @active_low: LED is active low
98 * bits [31:0] -> LEDs 8-23
99 * bits [47:32] -> LEDs 0-7
100 * bits [63:48] -> unused
105 return pin + 16; /* LEDs 0-7 (bits 47:32) */ in bcm6328_pin2shift()
[all …]
H A Dleds-tlc591xx.c1 // SPDX-License-Identifier: GPL-2.0-only
33 /* LED Driver Output State, determine the source that drives LED outputs */
34 #define LEDOUT_OFF 0x0 /* Output LOW */
35 #define LEDOUT_ON 0x1 /* Output HI-Z */
43 bool active; member
86 tlc591xx_set_ledout(struct tlc591xx_priv *priv, struct tlc591xx_led *led, in tlc591xx_set_ledout() argument
89 unsigned int i = (led->led_no % 4) * 2; in tlc591xx_set_ledout()
91 unsigned int addr = priv->reg_ledout_offset + (led->led_no >> 2); in tlc591xx_set_ledout()
95 return regmap_update_bits(priv->regmap, addr, mask, val); in tlc591xx_set_ledout()
99 tlc591xx_set_pwm(struct tlc591xx_priv *priv, struct tlc591xx_led *led, in tlc591xx_set_pwm() argument
[all …]
/linux/arch/arm/boot/dts/st/
H A Dstm32mp133c-prihmb.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
2 /dts-v1/;
4 #include <dt-bindings/gpio/gpio.h>
5 #include <dt-bindings/input/input.h>
6 #include <dt-bindings/leds/common.h>
7 #include <dt-bindings/regulator/st,stm32mp13-regulator.h>
10 #include "stm32mp13-pinctrl.dtsi"
13 model = "Priva E-Measuringbox board";
18 mdio-gpio0 = &mdio0;
27 stdout-path = "serial0:115200n8";
[all …]
H A Dstm32mp157c-lxa-mc1.dts1 /* SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-3-Clause) */
3 * Copyright (C) 2020 STMicroelectronics - All Rights Reserved
7 /dts-v1/;
10 #include "stm32mp15xx-osd32.dtsi"
11 #include "stm32mp15xxac-pinctrl.dtsi"
13 #include <dt-bindings/gpio/gpio.h>
14 #include <dt-bindings/pwm/pwm.h>
17 model = "Linux Automation MC-1 board";
18 compatible = "lxa,stm32mp157c-mc1", "oct,stm32mp15xx-osd32", "st,stm32mp157";
28 compatible = "pwm-backlight";
[all …]
/linux/arch/arm/boot/dts/marvell/
H A Dkirkwood-l-50.dts1 // SPDX-License-Identifier: GPL-2.0
3 * Check Point L-50 Board Description
7 /dts-v1/;
10 #include "kirkwood-6281.dtsi"
13 model = "Check Point L-50";
14 compatible = "checkpoint,l-50", "marvell,kirkwood-88f6281", "marvell,kirkwood";
23 stdout-path = &uart0;
27 pinctrl: pin-controller@10000 {
28 pinctrl-0 = <&pmx_led38 &pmx_sysrst &pmx_button29>;
29 pinctrl-names = "default";
[all …]
H A Ddove-cm-a510.dtsi2 * Device Tree include for Compulab CM-A510 System-on-Module
6 * This file is dual-licensed: you can use it either under the terms
46 * The CM-A510 comes with several optional components:
66 * U2: 2 dual-role USB2.0 ports
70 * W: Broadcom BCM4319 802.11b/g/n (USI WM-N-BM-01 on SDIO1)
72 * GPIOs used on CM-A510:
73 * 1 GbE PHY reset (active low)
75 * 8 PowerOff (active low)
76 * 13 Touchscreen pen irq (active low)
77 * 65 System LED (active high)
[all …]
H A Dkirkwood-lsxl.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 #include "kirkwood-6281.dtsi"
8 stdout-path = &uart0;
12 pinctrl: pin-controller@10000 {
13 /* Non-default UART pins */
14 pmx_uart0: pmx-uart0 {
18 pmx_power_hdd: pmx-power-hdd {
22 pmx_usb_vbus: pmx-usb-vbus {
26 pmx_fan_high: pmx-fan-high {
30 pmx_fan_low: pmx-fan-low {
[all …]
/linux/arch/arm/boot/dts/rockchip/
H A Drv1109-relfor-saib.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 /dts-v1/;
9 #include <dt-bindings/leds/common.h>
10 #include <dt-bindings/input/input.h>
16 gpio-keys {
17 compatible = "gpio-keys";
23 linux,input-type = <1>;
27 ir_receiver: ir-receiver {
28 compatible = "gpio-ir-receiver";
30 pinctrl-names = "default";
[all …]
/linux/include/linux/platform_data/
H A Dlm3630a_bl.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Simple driver for Texas Instruments LM3630A LED Flash driver chip
37 *@leda_label : optional led a label.
38 *@leda_init_brt : led a init brightness. 4~255
39 *@leda_max_brt : led a max brightness. 4~255
40 *@leda_ctrl : led a disable, enable linear, enable exponential
41 *@ledb_label : optional led b label.
42 *@ledb_init_brt : led b init brightness. 4~255
43 *@ledb_max_brt : led b max brightness. 4~255
44 *@ledb_ctrl : led b disable, enable linear, enable exponential
[all …]
/linux/arch/arm64/boot/dts/rockchip/
H A Drk3399-ficus.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
9 /dts-v1/;
10 #include "rk3399-rock960.dtsi"
21 stdout-path = "serial2:1500000n8";
24 clkin_gmac: external-gmac-clock {
25 compatible = "fixed-clock";
26 clock-frequency = <125000000>;
27 clock-output-names = "clkin_gmac";
28 #clock-cells = <0>;
32 compatible = "gpio-leds";
[all …]
/linux/Documentation/driver-api/gpio/
H A Dintro.rst17 A "General Purpose Input/Output" (GPIO) is a flexible software-controlled
25 System-on-Chip (SOC) processors heavily rely on GPIOs. In some cases, every
26 non-dedicated pin can be configured as a GPIO; and most chips have at least
31 Most PC southbridges have a few dozen GPIO-capable pins (with only the BIOS
36 - Output values are writable (high=1, low=0). Some chips also have
38 value might be driven, supporting "wire-OR" and similar schemes for the
41 - Input values are likewise readable (1, 0). Some chips support readback
42 of pins configured as "output", which is very useful in such "wire-OR"
44 input de-glitch/debounce logic, sometimes with software controls.
46 - Inputs can often be used as IRQ signals, often edge triggered but
[all …]
/linux/Documentation/devicetree/bindings/pinctrl/
H A Dbrcm,nsp-gpio.txt4 - compatible:
5 Must be "brcm,nsp-gpio-a"
7 - reg:
11 - #gpio-cells:
14 bit[0]: polarity (0 for active high and 1 for active low)
16 - gpio-controller:
19 - ngpios:
23 - interrupts:
26 - interrupt-controller:
29 - gpio-ranges:
[all …]
/linux/arch/arm/boot/dts/nxp/imx/
H A Dimx7d-flex-concentrator.dts1 // SPDX-License-Identifier: GPL-2.0
9 /dts-v1/;
11 #include "imx7d-tqma7.dtsi"
14 /delete-node/ &ds1339;
18 compatible = "kam,imx7d-flex-concentrator", "fsl,imx7d";
22 /* 1024 MB - TQMa7D board configuration */
26 reg_usb_otg2_vbus: regulator-usb-otg2-vbus {
27 compatible = "regulator-fixed";
28 regulator-name = "VBUS_USBOTG2";
29 regulator-min-microvolt = <5000000>;
[all …]
/linux/Documentation/ABI/testing/
H A Dsysfs-driver-wacom4 Contact: linux-bluetooth@vger.kernel.org
12 What: /sys/bus/hid/devices/<bus>:<vid>:<pid>.<n>/wacom_led/led
14 Contact: linux-input@vger.kernel.org
25 Contact: linux-input@vger.kernel.org
27 <obsoleted by the LED class API now exported by the driver>
28 Writing to this file sets the status LED luminance (1..127)
35 Contact: linux-input@vger.kernel.org
37 <obsoleted by the LED class API now exported by the driver>
38 Writing to this file sets the status LED luminance (1..127)
44 Contact: linux-input@vger.kernel.org
[all …]
/linux/drivers/atm/
H A Didt77105.h1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* drivers/atm/idt77105.h - IDT77105 (PHY) declarations */
19 #define IDT77105_LEDHEC 0x3 /* LED Driver & HEC Status/Control */
20 #define IDT77105_CTRLO 0x4 /* Low Byte Counter Register */
49 #define IDT77105_DIAG_MPCS 0x20 /* R/W, Multi-PHY config'n select */
65 #define IDT77105_LEDHEC_TLS 0x02 /* R, Tx LED Status (1=lit) */
66 #define IDT77105_LEDHEC_RLS 0x01 /* R, Rx LED Status (1=lit) */
68 #define IDT77105_LEDHEC_RPW_1 0x00 /* RxRef active for 1 RxClk cycle */
69 #define IDT77105_LEDHEC_RPW_2 0x08 /* RxRef active for 2 RxClk cycle */
70 #define IDT77105_LEDHEC_RPW_4 0x10 /* RxRef active for 4 RxClk cycle */
[all …]

12345678910>>...13