Documentation / devicetree / bindings / leds / st,led1202.yaml


Based on kernel version 6.14. Page generated on 2025-04-02 08:20 EST.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132
# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/leds/st,led1202.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: ST LED1202 LED controllers

maintainers:
  - Vicentiu Galanopulo <vicentiu.galanopulo@remote-tech.co.uk>

description: |
  The LED1202 is a 12-channel low quiescent current LED controller
  programmable via I2C; The output current can be adjusted separately
  for each channel by 8-bit analog and 12-bit digital dimming control.
  Datasheet available at
  https://www.st.com/en/power-management/led1202.html

properties:
  compatible:
    const: st,led1202

  reg:
    maxItems: 1
 
  "#address-cells":
    const: 1
 
  "#size-cells":
    const: 0

patternProperties:
  "^led@[0-9a-f]$":
    type: object
    $ref: common.yaml#
    unevaluatedProperties: false

    properties:
      reg:
        minimum: 0
        maximum: 11

    required:
      - reg

required:
  - compatible
  - reg
  - "#address-cells"
  - "#size-cells"

additionalProperties: false

examples:
  - |
    #include <dt-bindings/leds/common.h>
 
    i2c {
        #address-cells = <1>;
        #size-cells = <0>;
 
        led-controller@58 {
            compatible = "st,led1202";
            reg = <0x58>;
            #address-cells = <1>;
            #size-cells = <0>;
 
            led@0 {
                reg = <0x0>;
                function = LED_FUNCTION_STATUS;
                color = <LED_COLOR_ID_RED>;
                function-enumerator = <1>;
            };
 
            led@1 {
                reg = <0x1>;
                function = LED_FUNCTION_STATUS;
                color = <LED_COLOR_ID_GREEN>;
                function-enumerator = <2>;
            };
 
            led@2 {
                reg = <0x2>;
                function = LED_FUNCTION_STATUS;
                color = <LED_COLOR_ID_BLUE>;
                function-enumerator = <3>;
            };
 
            led@3 {
                reg = <0x3>;
                function = LED_FUNCTION_STATUS;
                color = <LED_COLOR_ID_RED>;
                function-enumerator = <4>;
            };
 
            led@4 {
                reg = <0x4>;
                function = LED_FUNCTION_STATUS;
                color = <LED_COLOR_ID_GREEN>;
                function-enumerator = <5>;
            };
 
            led@5 {
                reg = <0x5>;
                function = LED_FUNCTION_STATUS;
                color = <LED_COLOR_ID_BLUE>;
                function-enumerator = <6>;
            };
 
            led@6 {
                reg = <0x6>;
                function = LED_FUNCTION_STATUS;
                color = <LED_COLOR_ID_RED>;
                function-enumerator = <7>;
            };
 
            led@7 {
                reg = <0x7>;
                function = LED_FUNCTION_STATUS;
                color = <LED_COLOR_ID_GREEN>;
                function-enumerator = <8>;
            };
 
            led@8 {
                reg = <0x8>;
                function = LED_FUNCTION_STATUS;
                color = <LED_COLOR_ID_BLUE>;
                function-enumerator = <9>;
            };
        };
    };
...