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/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 Dsilergy,sy7802.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Silergy SY7802 1800mA Boost Charge Pump LED Driver
10 - André Apitzsch <git@apitzsch.eu>
13 The SY7802 is a current-regulated charge pump which can regulate two current
16 The SY7802 is a high-current synchronous boost converter with 2-channel
17 high side current sources. Each channel is able to deliver 900mA current.
22 - silergy,sy7802
27 enable-gpios:
[all …]
H A 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 …]
H A Dmaxim,max77693.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Krzysztof Kozlowski <krzk@kernel.org>
16 There are two LED outputs available - FLED1 and FLED2. Each of them can
17 control a separate LED or they can be connected together to double the
18 maximum current for a single connected LED. One LED is represented by one
26 const: maxim,max77693-led
28 maxim,boost-mode:
33 case both current sources are used.
[all …]
H A Dti,tps61310.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Texas Instruments TPS6131X flash LED driver
10 - Matthias Fend <matthias.fend@emfend.at>
13 The TPS61310/TPS61311 is a flash LED driver with I2C interface.
15 The TPS6131x provides three constant-current sinks, capable of sinking
20 be used completely independently of each other. Therefore, only one LED is
29 - items:
30 - enum:
[all …]
H A 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 …]
H A Dleds-lm36274.txt1 * Texas Instruments LM36274 4-Channel LCD Backlight Driver w/Integrated Bias
3 The LM36274 is an integrated four-channel WLED driver and LCD bias supply.
4 The backlight boost provides the power to bias four parallel LED strings with
5 up to 29V total output voltage. The 11-bit LED current is programmable via
9 Documentation/devicetree/bindings/mfd/ti-lmu.txt
12 Documentation/devicetree/bindings/regulator/lm363x-regulator.txt
15 - compatible:
16 "ti,lm36274-backlight"
17 - reg : 0
18 - #address-cells : 1
[all …]
/linux/Documentation/devicetree/bindings/mfd/
H A Dti-lmu.txt6 ------ ---------------------------------
9 LM3633 Backlight, LED and fault monitor
14 - compatible: Should be one of:
20 - reg: I2C slave address.
28 - enable-gpios: A GPIO specifier for hardware enable pin.
29 - ramp-up-us: Current ramping from one brightness level to
31 Range from 2048 us - 117.44 s
32 - ramp-down-us: Current ramping from one brightness level to
34 Range from 2048 us - 117.44 s
35 - ti,brightness-resolution - This determines whether to use 8 bit brightness
[all …]
H A Dmediatek,mt6370.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - ChiYuan Huang <cy_huang@richtek.com>
13 MT6370 is a highly-integrated smart power management IC, which includes a
14 single cell Li-Ion/Li-Polymer switching battery charger, a USB Type-C &
15 Power Delivery (PD) controller, dual flash LED current sources, a RGB LED
26 wakeup-source: true
31 interrupt-controller: true
33 "#interrupt-cells":
[all …]
/linux/drivers/leds/flash/
H A Dleds-sy7802.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Silergy SY7802 flash LED driver with an I2C interface
11 #include <linux/led-class-flash.h>
111 struct sy7802_led *led = container_of(lcdev, struct sy7802_led, flash.led_cdev); in sy7802_torch_brightness_set() local
112 struct sy7802 *chip = led->chip; in sy7802_torch_brightness_set()
120 mutex_lock(&chip->mutex); in sy7802_torch_brightness_set()
122 if (chip->fled_strobe_used) { in sy7802_torch_brightness_set()
123 dev_warn(chip->dev, "Cannot set torch brightness whilst strobe is enabled\n"); in sy7802_torch_brightness_set()
124 ret = -EBUSY; in sy7802_torch_brightness_set()
129 fled_torch_used_tmp = chip->fled_torch_used | BIT(led->led_id); in sy7802_torch_brightness_set()
[all …]
H A Dleds-mt6370-flash.c1 // SPDX-License-Identifier: GPL-2.0-only
15 #include <linux/led-class-flash.h>
22 #include <media/v4l2-flash-led-class.h>
43 #define MT6370_FLCSEN_MASK(_id) BIT(MT6370_LED_FLASH2 - (_id))
89 struct mt6370_led *led = to_mt6370_led(lcdev, flash.led_cdev); in mt6370_torch_brightness_set() local
90 struct mt6370_priv *priv = led->priv; in mt6370_torch_brightness_set()
91 u32 led_enable_mask = led->led_no == MT6370_LED_JOINT ? MT6370_FLCSEN_MASK_ALL : in mt6370_torch_brightness_set()
92 MT6370_FLCSEN_MASK(led->led_no); in mt6370_torch_brightness_set()
98 mutex_lock(&priv->lock); in mt6370_torch_brightness_set()
104 if (priv->fled_strobe_used) { in mt6370_torch_brightness_set()
[all …]
/linux/arch/arm/boot/dts/broadcom/
H A Dbcm4708-smartrg-sr400ac.dts1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
9 /dts-v1/;
12 #include "bcm5301x-nand-cs0-bch8.dtsi"
29 compatible = "gpio-leds";
31 led-power-white {
34 linux,default-trigger = "default-on";
37 led-power-amber {
42 led-usb2 {
45 trigger-sources = <&ohci_port2>, <&ehci_port2>;
46 linux,default-trigger = "usbport";
[all …]
H A Dbcm47081-tplink-archer-c5-v2.dts1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
6 /dts-v1/;
11 compatible = "tplink,archer-c5-v2", "brcm,bcm47081", "brcm,bcm4708";
12 model = "TP-LINK Archer C5 V2";
24 compatible = "gpio-leds";
26 led-2ghz {
31 led-lan {
36 led-usb2-port1 {
37 label = "bcm53xx:green:usb2-port1";
39 trigger-sources = <&ohci_port1>, <&ehci_port1>;
[all …]
H A Dbcm4709-tplink-archer-c9-v1.dts1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
6 /dts-v1/;
11 compatible = "tplink,archer-c9-v1", "brcm,bcm4709", "brcm,bcm4708";
12 model = "TP-LINK Archer C9 V1";
24 compatible = "gpio-leds";
26 led-lan {
31 led-wps {
36 led-2ghz {
41 led-5ghz {
46 led-usb3 {
[all …]
H A Dbcm47094-asus-rt-ac3100.dtsi1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
7 #include "bcm5301x-nand-cs0-bch8.dtsi"
9 #include <dt-bindings/leds/common.h>
23 gpio-keys {
24 compatible = "gpio-keys";
26 button-led {
32 button-reset {
38 button-wifi {
39 label = "Wi-Fi";
44 button-wps {
[all …]
/linux/Documentation/devicetree/bindings/leds/backlight/
H A Dlm3630a-backlight.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/backlight/lm3630a-backlight.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: TI LM3630A High-Efficiency Dual-String White LED
10 - Lee Jones <lee@kernel.org>
11 - Daniel Thompson <daniel.thompson@linaro.org>
12 - Jingoo Han <jingoohan1@gmail.com>
15 The LM3630A is a current-mode boost converter which supplies the power and
26 '#address-cells':
[all …]
H A Dti,lm3509.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: TI LM3509 High Efficiency Boost for White LED's and/or OLED Displays
10 - Patrick Gansterer <paroga@paroga.com>
23 "#address-cells":
26 "#size-cells":
29 reset-gpios:
32 ti,brightness-rate-of-change-us:
36 ti,oled-mode:
[all …]
H A Darcxcnn_bl.txt1 Binding for ArcticSand arc2c0608 LED driver
4 - compatible: should be "arc,arc2c0608"
5 - reg: slave address
8 - default-brightness: brightness value on boot, value from: 0-4095
9 - label: The name of the backlight device
11 - led-sources: List of enabled channels from 0 to 5.
14 - arc,led-config-0: setting for register ILED_CONFIG_0
15 - arc,led-config-1: setting for register ILED_CONFIG_1
16 - arc,dim-freq: PWM mode frequence setting (bits [3:0] used)
17 - arc,comp-config: setting for register CONFIG_COMP
[all …]
/linux/drivers/video/backlight/
H A Darcxcnn_bl.c1 // SPDX-License-Identifier: GPL-2.0-only
24 * @leden : initial LED string enables, upper bit is global on/off
48 #define ARCXCNN_CMD_OVP_MASK 0x0C /* --- Over Voltage Threshold */
62 #define ARCXCNN_LEDEN 0x06 /* LED Enable Register */
63 #define ARCXCNN_LEDEN_ISETEXT 0x80 /* Full-scale current set extern */
64 #define ARCXCNN_LEDEN_MASK 0x3F /* LED string enables mask */
65 #define ARCXCNN_LEDEN_BITS 0x06 /* Bits of LED string enables */
73 #define ARCXCNN_WLED_ISET_LSB 0x07 /* LED ISET LSB (in upper nibble) */
75 #define ARCXCNN_WLED_ISET_MSB 0x08 /* LED ISET MSB (8 bits) */
99 ret = i2c_smbus_read_byte_data(lp->client, reg); in arcxcnn_update_field()
[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 …]
/linux/drivers/leds/
H A Dleds-lm36274.c1 // SPDX-License-Identifier: GPL-2.0
2 // TI LM36274 LED chip family driver
3 // Copyright (C) 2019 Texas Instruments Incorporated - https://www.ti.com/
9 #include <linux/leds-ti-lmu-common.h>
15 #include <linux/mfd/ti-lmu.h>
16 #include <linux/mfd/ti-lmu-register.h>
26 * @led_dev: led class device
30 * @led_sources: The LED strings supported in this array
31 * @num_leds: Number of LED strings are supported in this array
49 return ti_lmu_common_set_brightness(&chip->lmu_data, brt_val); in lm36274_brightness_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-lm3697.c1 // SPDX-License-Identifier: GPL-2.0
2 // TI LM3697 LED chip family driver
3 // Copyright (C) 2018 Texas Instruments Incorporated - https://www.ti.com/
15 #include <linux/leds-ti-lmu-common.h>
47 * struct lm3697_led -
48 * @hvled_strings: Array of LED strings associated with a control bank
49 * @label: LED label
50 * @led_dev: LED class device
53 * @control_bank: Control bank the LED is associated to. 0 is control bank A
55 * @enabled: LED brightness level (or LED_OFF)
[all …]
/linux/drivers/leds/trigger/
H A Dledtrig-gpio.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * ledtrig-gio.c - LED Trigger Based on GPIO events
19 struct led_classdev *led; member
20 unsigned desired_brightness; /* desired brightness when led is on */
21 struct gpio_desc *gpiod; /* gpio that triggers the led */
26 struct led_classdev *led = _led; in gpio_trig_irq() local
27 struct gpio_trig_data *gpio_data = led_get_trigger_data(led); in gpio_trig_irq()
30 tmp = gpiod_get_value_cansleep(gpio_data->gpiod); in gpio_trig_irq()
32 if (gpio_data->desired_brightness) in gpio_trig_irq()
33 led_set_brightness_nosleep(gpio_data->led, in gpio_trig_irq()
[all …]
/linux/arch/arm64/boot/dts/broadcom/bcmbca/
H A Dbcm4906-tplink-archer-c2300-v1.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 = "tplink,archer-c2300-v1", "brcm,bcm4906", "brcm,bcm4908", "brcm,bcmbca";
11 model = "TP-Link Archer C2300 V1";
19 compatible = "gpio-leds";
21 led-power {
27 led-2ghz {
33 led-5ghz {
[all …]

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