Linux-6.18.2/Documentation/devicetree/bindings/leds/ams,as3645a.yaml
2025-12-23 20:06:59 +08:00

131 lines
2.6 KiB
YAML

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/leds/ams,as3645a.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Analog Devices AS3645A LED Controller
maintainers:
- Sakari Ailus <sakari.ailus@iki.fi>
description:
The AS3645A flash LED controller can drive two LEDs, one
high current flash LED and one indicator LED. The high
current flash LED can be used in torch mode as well.
properties:
compatible:
const: ams,as3645a
"#address-cells":
const: 1
"#size-cells":
const: 0
reg:
maxItems: 1
led@0:
description: led0 describes the 'flash' feature
type: object
$ref: common.yaml#
unevaluatedProperties: false
properties:
reg:
const: 0
flash-timeout-us:
minimum: 100000
maximum: 850000
multipleOf: 50000
flash-max-microamp:
minimum: 200000
maximum: 500000
multipleOf: 20000
led-max-microamp:
minimum: 20000
maximum: 160000
multipleOf: 20000
description:
Maximum current when in torch (assist) mode.
ams,input-max-microamp:
minimum: 1250000
maximum: 2000000
multipleOf: 50000
required:
- reg
- flash-timeout-us
- flash-max-microamp
- led-max-microamp
- ams,input-max-microamp
led@1:
description: led1 describes the 'indicator' feature
type: object
$ref: common.yaml#
unevaluatedProperties: false
properties:
reg:
const: 1
led-max-microamp:
enum:
- 2500
- 5000
- 7500
- 10000
description:
Maximum indicator current.
required:
- reg
- led-max-microamp
required:
- compatible
- reg
- "#size-cells"
- "#address-cells"
additionalProperties: false
examples:
- |
#include <dt-bindings/leds/common.h>
i2c{
#address-cells = <1>;
#size-cells = <0>;
led-controller@30 {
compatible = "ams,as3645a";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x30>;
led@0 {
reg = <0>;
flash-timeout-us = <150000>;
flash-max-microamp = <320000>;
led-max-microamp = <60000>;
ams,input-max-microamp = <1750000>;
function = LED_FUNCTION_FLASH;
};
led@1 {
reg = <1>;
led-max-microamp = <10000>;
function = LED_FUNCTION_INDICATOR;
};
};
};
...