Lines Matching +full:flash +full:- +full:max +full:- +full:microamp
1 # 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
16 blinking patterns, flash timeout, flash faults and external flash strobe mode.
25 led-sources:
30 $ref: /schemas/types.yaml#/definitions/uint32-array
35 from the header include/dt-bindings/leds/common.h. If there is no
42 the header include/dt-bindings/leds/common.h. If there is no matching
48 function-enumerator:
59 deprecated - use 'function' and 'color' properties instead.
60 function-enumerator has no effect when this property is present.
62 default-state:
65 default-state property is set the to same value, then no glitch should be
71 - on
72 - off
73 - keep
76 linux,default-trigger:
83 - enum:
84 # LED will act as a back-light, controlled by the framebuffer system
85 - backlight
86 # LED will turn on (see also "default-state" property)
87 - default-on
89 - heartbeat
91 - disk-activity
93 - disk-read
95 - disk-write
97 - timer
99 # timer (requires "led-pattern" property)
100 - pattern
102 - audio-micmute
104 - audio-mute
106 - bluetooth-power
107 # LED indicates camera flash state
108 - flash
110 - kbd-capslock
112 - mtd
115 - nand-disk
117 - netdev
120 - none
122 - torch
124 - usb-gadget
126 - usb-host
128 - usbport
130 - pattern: "^cpu[0-9]*$"
132 - pattern: "^hci[0-9]+-power$"
134 - pattern: "^mmc[0-9]+$"
136 - pattern: "^phy[0-9]+tx$"
138 led-pattern:
143 - one-shot : two numbers specifying delay on and delay off (in ms),
144 - timer : two numbers specifying delay on and delay off (in ms),
145 - pattern : the pattern is given by a series of tuples, of
148 Documentation/devicetree/bindings/leds/leds-trigger-pattern.txt
149 $ref: /schemas/types.yaml#/definitions/uint32-matrix
154 led-max-microamp:
159 For flash LED controllers with configurable current this property is
160 mandatory for the LEDs in the non-flash modes (e.g. torch or indicator).
162 max-brightness:
169 Note that this flag is mainly used for PWM-LEDs, where it is not possible
171 led-max-microamp.
174 panic-indicator:
180 retain-state-shutdown:
186 trigger-sources:
202 #trigger-source-cells property in the source node.
203 $ref: /schemas/types.yaml#/definitions/phandle-array
205 active-low:
211 inactive-high-impedance:
214 Set LED to high-impedance mode to turn the LED OFF. LED might also
217 # Required properties for flash LED child nodes:
218 flash-max-microamp:
220 Maximum flash LED supply current in microamperes. Required for flash LED
223 flash-max-timeout-us:
225 Maximum timeout in microseconds after which the flash LED is turned off.
226 Required for flash LED nodes with configurable timeout.
231 - |
232 #include <dt-bindings/gpio/gpio.h>
233 #include <dt-bindings/leds/common.h>
235 led-controller {
236 compatible = "gpio-leds";
238 led-0 {
240 linux,default-trigger = "heartbeat";
244 led-1 {
247 trigger-sources = <&ohci_port1>, <&ehci_port1>;
251 - |
252 #include <dt-bindings/leds/common.h>
254 led-controller {
255 compatible = "maxim,max77693-led";
260 led-sources = <0>, <1>;
261 led-max-microamp = <50000>;
262 flash-max-microamp = <320000>;
263 flash-max-timeout-us = <500000>;
267 - |
268 #include <dt-bindings/leds/common.h>
271 #address-cells = <1>;
272 #size-cells = <0>;
274 led-controller@30 {
277 #address-cells = <1>;
278 #size-cells = <0>;
282 linux,default-trigger = "heartbeat";
284 function-enumerator = <1>;
290 function-enumerator = <2>;
296 function-enumerator = <3>;