bindings/leds/skyworks%2Caat1290.yaml

1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Skyworks Solutions, Inc. AAT1290 Current Regulator for Flash LEDs
10   - Jacek Anaszewski <jacek.anaszewski@gmail.com>
11   - Krzysztof Kozlowski <krzk@kernel.org>
15   asserted high, enable flash strobe and movie mode (max 1/2 of flash current)
18   independent of the flash chip. The switch is controlled with pin control.
24   enset-gpios:
28   flen-gpios:
37       led-max-microamp: true
39       flash-max-microamp:
41           Maximum flash LED supply current can be calculated using following
44       flash-max-timeout-us:
46           Maximum flash timeout can be calculated using following formula::
50       - flash-max-microamp
51       - flash-max-timeout-us
52       - led-max-microamp
54   pinctrl-names:
56       - const: default
57       - const: host
58       - const: isp
60   pinctrl-0: true
61   pinctrl-1: true
62   pinctrl-2: true
65   - compatible
66   - enset-gpios
67   - flen-gpios
68   - led
73   - |
74     #include <dt-bindings/gpio/gpio.h>
75     #include <dt-bindings/leds/common.h>
78     led-controller {
80         flen-gpios = <&gpj1 1 GPIO_ACTIVE_HIGH>;
81         enset-gpios = <&gpj1 2 GPIO_ACTIVE_HIGH>;
83         pinctrl-names = "default", "host", "isp";
84         pinctrl-0 = <&camera_flash_host>;
85         pinctrl-1 = <&camera_flash_host>;
86         pinctrl-2 = <&camera_flash_isp>;
91             led-max-microamp = <520833>;
92             flash-max-microamp = <1012500>;
93             flash-max-timeout-us = <1940000>;