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/linux/arch/arm/boot/dts/ti/omap/
H A Domap3-echo.dts1 // SPDX-License-Identifier: GPL-2.0-only
5 /dts-v1/;
9 #include <dt-bindings/input/input.h>
10 #include <dt-bindings/leds/common.h>
14 compatible = "amazon,omap3-echo", "ti,omap3630", "ti,omap3";
18 cpu0-supply = <&vdd1_reg>;
28 compatible = "regulator-fixed";
29 regulator-name = "vcc5v";
30 regulator-min-microvolt = <5000000>;
31 regulator-max-microvolt = <5000000>;
[all …]
/linux/Documentation/devicetree/bindings/leds/
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:
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H A 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>
14 Bindings for the TI/National Semiconductor LP55xx and LP8501 multi channel
15 LED Drivers.
27 - national,lp5521
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H A 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:
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H A 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":
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H A Dallwinner,sun50i-a100-ledc.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/leds/allwinner,sun50i-a100-ledc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Allwinner A100 LED Controller
10 - Samuel Holland <samuel@sholland.org>
13 The LED controller found in Allwinner sunxi SoCs uses a one-wire serial
19 - const: allwinner,sun50i-a100-ledc
20 - items:
21 - enum:
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H A Dmediatek,mt6370-indicator.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/mediatek,mt6370-indicator.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: LED driver for MT6370 PMIC from MediaTek Integrated.
10 - Alice Chen <alice_chen@richtek.com>
14 Add MT6370 LED driver include 4-channel RGB LED support Register/PWM/Breath Mode
18 const: mediatek,mt6370-indicator
20 "#address-cells":
23 "#size-cells":
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/linux/drivers/leds/rgb/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
6 tristate "LEDs group multi-color support"
11 different colors are physically grouped in a single multi-color LED
12 and driven by a controller that doesn't have multi-color support.
15 will be called leds-group-multicolor.
18 tristate "LED support for KTD202x Chips"
23 RGB/White LED driver found in different BQ mobile phones.
24 It is a 3 or 4 channel LED driver programmed via an I2C interface.
27 will be called leds-ktd202x.
30 tristate "LED support for NCP5623"
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H A Dleds-pwm-multicolor.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * PWM-based multi-color LED control
5 * Copyright 2022 Sven Schwermer <sven.schwermer@disruptive-technologies.com>
10 #include <linux/led-class-multicolor.h>
42 mutex_lock(&priv->lock); in led_pwm_mc_set()
44 for (i = 0; i < mc_cdev->num_colors; i++) { in led_pwm_mc_set()
45 duty = priv->leds[i].state.period; in led_pwm_mc_set()
46 duty *= mc_cdev->subled_info[i].brightness; in led_pwm_mc_set()
47 do_div(duty, cdev->max_brightness); in led_pwm_mc_set()
49 if (priv->leds[i].active_low) in led_pwm_mc_set()
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H A Dleds-ncp5623.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * NCP5623 Multi-LED Driver
6 * Datasheet: https://www.onsemi.com/pdf/datasheet/ncp5623-d.pdf
12 #include <linux/led-class-multicolor.h>
49 guard(mutex)(&ncp->lock); in ncp5623_brightness_set()
51 if (ncp->delay && time_is_after_jiffies(ncp->delay)) in ncp5623_brightness_set()
52 return -EBUSY; in ncp5623_brightness_set()
54 ncp->delay = 0; in ncp5623_brightness_set()
56 for (int i = 0; i < mc_cdev->num_colors; i++) { in ncp5623_brightness_set()
57 ret = ncp5623_write(ncp->client, in ncp5623_brightness_set()
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H A Dleds-group-multicolor.c1 // SPDX-License-Identifier: GPL-2.0
3 * Multi-color LED built with monochromatic LED devices
5 * This driver groups several monochromatic LED devices in a single multicolor LED device.
7 * Compared to handling this grouping in user-space, the benefits are:
8 * - The state of the monochromatic LED relative to each other is always consistent.
9 * - The sysfs interface of the LEDs can be used for the group as a whole.
11 * Copyright 2023 Jean-Jacques Hiblot <jjhiblot@traphandler.com>
16 #include <linux/led-class-multicolor.h>
32 const unsigned int group_max_brightness = mc_cdev->led_cdev.max_brightness; in leds_gmc_set()
35 for (i = 0; i < mc_cdev->num_colors; i++) { in leds_gmc_set()
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/linux/arch/powerpc/boot/dts/
H A Dturris1x.dts1 // SPDX-License-Identifier: GPL-2.0+
5 * Copyright 2013 - 2022 CZ.NIC z.s.p.o. (http://www.nic.cz/)
8 * and available at: https://docs.turris.cz/hw/turris-1x/turris-1x/
11 #include <dt-bindings/gpio/gpio.h>
12 #include <dt-bindings/interrupt-controller/irq.h>
13 #include <dt-bindings/leds/common.h>
14 /include/ "fsl/p2020si-pre.dtsi"
41 gpio-controller@18 {
45 #gpio-cells = <2>;
46 gpio-controller;
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/linux/Documentation/sound/hd-audio/
H A Dmodels.rst2 HD-Audio Codec-Specific Models
8 3-jack in back and a headphone out
9 3stack-digout
10 3-jack in back, a HP out and a SPDIF out
12 5-jack in back, 2-jack in front
13 5stack-digout
14 5-jack in back, 2-jack in front, a SPDIF out
16 6-jack in back, 2-jack in front
17 6stack-digout
18 6-jack with a SPDIF out
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/linux/drivers/leds/
H A Dleds-lp55xx-common.h1 /* SPDX-License-Identifier: GPL-2.0-only */
9 * Derived from leds-lp5521.c, leds-lp5523.c
15 #include <linux/led-class-multicolor.h>
122 * @reg_led_pwm_base : Chip specific base reg address for LED PWM conf
123 * @reg_led_current_base : Chip specific base reg address for LED current conf
125 * @reg_led_ctrl_base : Chip specific base reg address for LED ctrl base
132 * @set_led_current : LED current set function
154 /* set LED brightness */
155 int (*brightness_fn)(struct lp55xx_led *led);
157 /* set multicolor LED brightness */
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/linux/Documentation/devicetree/bindings/net/dsa/
H A Dmediatek,mt7530.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Arınç ÜNAL <arinc.unal@arinc9.com>
11 - Landen Chao <Landen.Chao@mediatek.com>
12 - DENG Qingfang <dqfext@gmail.com>
13 - Sean Wang <sean.wang@mediatek.com>
14 - Daniel Golle <daniel@makrotopia.org>
17 There are three versions of MT7530, standalone, in a multi-chip module and
18 built-into a SoC.
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/linux/arch/arm/boot/dts/st/
H A Dstm32mp153c-lxa-fairytux2-gen1.dts1 // SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-3-Clause)
6 /dts-v1/;
8 #include "stm32mp153c-lxa-fairytux2.dtsi"
12 compatible = "lxa,stm32mp153c-fairytux2-gen1", "oct,stm32mp153x-osd32", "st,stm32mp153";
14 gpio-keys {
15 compatible = "gpio-keys";
17 button-left {
23 button-right {
32 gpio-line-names = "GPIO1", "GPIO2", "", "", "", /* 0 */
39 gpio-line-names = "", "", "", "", "LCD_RESET", /* 0 */
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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";
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/linux/Documentation/devicetree/bindings/mfd/
H A Dmfd.txt1 Multi-Function Devices (MFD)
4 more than one non-unique yet varying hardware functionality.
8 - A mixed signal ASIC on an external bus, sometimes a PMIC (Power Management
10 silicon) that handles analog drivers for things like audio amplifiers, LED
14 - A range of memory registers containing "miscellaneous system registers" also
20 - compatible : "simple-mfd" - this signifies that the operating system
23 Similarly to how "simple-bus" indicates when to see subnodes as children for
24 a simple memory-mapped bus.
29 - ranges: Describes the address mapping relationship to the parent. Should set
33 - #address-cells: Specifies the number of cells used to represent physical base
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H A Dmediatek,mt6360.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Gene Chen <gene_chen@richtek.com>
25 wakeup-source: true
30 interrupt-names:
33 interrupt-controller: true
35 "#interrupt-cells":
41 $ref: /schemas/regulator/mt6360-regulator.yaml#
47 $ref: /schemas/usb/mediatek,mt6360-tcpc.yaml#
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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":
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/linux/Documentation/leds/
H A Dwell-known-leds.txt1 -*- org -*-
4 userland. LED devices have one problem there, and that is naming of
6 just know right "name" for given LED function, but situation got more
17 Notice there's a list of functions in include/dt-bindings/leds/common.h .
24 player. For example, a game controller with 4 LEDs, may be programmed with "x---"
25 to indicate player 1, "-x--" to indicate player 2 etcetera where "x" means on.
26 Input drivers can utilize the LED class to expose the individual player LEDs
31 Good: "input*:*:player-{1,2,3,4,5}
38 Legacy: "shift-key-light" (Motorola Droid 4, capslock)
47 Legacy: "button-backlight" (Motorola Droid 4)
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/linux/Documentation/ABI/testing/
H A Dsysfs-platform-asus-wmi6 Change CPU clock configuration (write-only).
9 * 0 -> Super Performance Mode
10 * 1 -> High Performance Mode
11 * 2 -> Power Saving Mode
47 * 0 - normal,
48 * 1 - overboost,
49 * 2 - silent
57 * 0 - default,
58 * 1 - overboost,
59 * 2 - silent
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/linux/sound/hda/codecs/
H A Dgeneric.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Generic BIOS auto-parser helper functions for HD-audio
16 /* table entry for multi-io paths */
18 hda_nid_t pin; /* multi-io widget pin NID */
20 unsigned int ctl_in; /* cached input-pin control value */
25 * For output, stored in the order of DAC -> ... -> pin,
26 * for input, pin -> ... -> ADC.
30 * multi[] indicates whether it's a selector widget with multi-connectors
48 unsigned char multi[MAX_NID_PATH_DEPTH]; member
56 /* mic/line-in auto switching entry */
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/linux/drivers/iio/health/
H A Dmax30102.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * max30102.c - Support for MAX30102 heart rate and pulse oximeter sensor
8 * Copyright (C) 2017 Peter Meerwald-Stadler <pmeerw@pmeerw.net>
10 * 7-bit I2C chip address: 0x57
70 #define MAX30102_REG_MODE_CONFIG_MODE_HR 0x02 /* red LED */
71 #define MAX30102_REG_MODE_CONFIG_MODE_HR_SPO2 0x03 /* red + IR LED */
72 #define MAX30102_REG_MODE_CONFIG_MODE_MULTI 0x07 /* multi-LED mode */
76 #define MAX30102_REG_MODE_CONTROL_SLOT21 0x11 /* multi-LED control */
110 __be32 processed_buffer[3]; /* 3 x 18-bit (padded to 32-bits) */
153 .scan_index = -1,
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/linux/include/linux/
H A Dleds.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Driver model for leds and led triggers
11 #include <dt-bindings/leds/common.h>
29 * LED Core
47 * struct led_lookup_data - represents a single LED lookup entry
49 * @list: internal list of all LED lookup entries
50 * @provider: name of led_classdev providing the LED
51 * @dev_id: name of the device associated with this LED
52 * @con_id: name of the LED from the device's point of view
66 * with in-driver hard-coded LED names used as a fallback when
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