1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/leds/leds-rt4505.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Richtek RT4505 Single Channel LED Driver
8
9 maintainers:
10 - ChiYuan Huang <cy_huang@richtek.com>
11
12 description: |
13 The RT4505 is a flash LED driver that can support up to 375mA and 1.5A for
14 torch and flash mode, respectively.
15
16 The data sheet can be found at:
17 https://www.richtek.com/assets/product_file/RT4505/DS4505-02.pdf
18
19 properties:
20 compatible:
21 const: richtek,rt4505
22
23 reg:
24 description: I2C slave address of the controller.
25 maxItems: 1
26
27 led:
28 type: object
29 $ref: common.yaml#
30 unevaluatedProperties: false
31
32 required:
33 - compatible
34 - reg
35
36 additionalProperties: false
37
38 examples:
39 - |
40 #include <dt-bindings/leds/common.h>
41
42 i2c {
43 #address-cells = <1>;
44 #size-cells = <0>;
45
46 led-controller@63 {
47 compatible = "richtek,rt4505";
48 reg = <0x63>;
49
50 rt4505_flash: led {
51 function = LED_FUNCTION_FLASH;
52 color = <LED_COLOR_ID_WHITE>;
53 led-max-microamp = <375000>;
54 flash-max-microamp = <1500000>;
55 flash-max-timeout-us = <800000>;
56 };
57 };
58 };
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