ti,tca6507.yaml

  1# SPDX-License-Identifier: GPL-2.0-only
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/leds/ti,tca6507.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: TCA6507 LED and GPIO controller
  8
  9maintainers:
 10  - NeilBrown <neilb@suse.de>
 11
 12description:
 13  The TCA6507 is a programmable LED controller connected via I2C that can drive
 14  7 separate lines either by holding them low, or by pulsing them with modulated
 15  width.
 16
 17properties:
 18  compatible:
 19    const: ti,tca6507
 20
 21  reg:
 22    description: I2C slave address of the controller.
 23    maxItems: 1
 24
 25  "#address-cells":
 26    const: 1
 27
 28  "#size-cells":
 29    const: 0
 30
 31  gpio-controller: true
 32
 33  "#gpio-cells":
 34    const: 2
 35
 36  gpio-line-names: true
 37
 38patternProperties:
 39  "^led@[0-6]$":
 40    type: object
 41    $ref: common.yaml#
 42    unevaluatedProperties: false
 43
 44    properties:
 45      reg:
 46        minimum: 0
 47        maximum: 6
 48
 49    required:
 50      - reg
 51
 52  "^gpio@[0-6]$":
 53    type: object
 54
 55    properties:
 56      compatible:
 57        const: gpio
 58
 59      reg:
 60        minimum: 0
 61        maximum: 6
 62
 63    additionalProperties: false
 64
 65    required:
 66      - reg
 67      - compatible
 68
 69if:
 70  patternProperties:
 71    "^gpio@[0-6]$":
 72      type: object
 73      properties:
 74        compatible:
 75          contains:
 76            const: gpio
 77then:
 78  required:
 79    - gpio-controller
 80    - "#gpio-cells"
 81
 82additionalProperties: false
 83
 84examples:
 85  - |
 86
 87    #include <dt-bindings/gpio/gpio.h>
 88    #include <dt-bindings/leds/common.h>
 89
 90    i2c {
 91        #address-cells = <1>;
 92        #size-cells = <0>;
 93
 94        led-controller@45 {
 95            compatible = "ti,tca6507";
 96            #address-cells = <1>;
 97            #size-cells = <0>;
 98            reg = <0x45>;
 99
100            gpio-controller;
101            #gpio-cells = <2>;
102
103            gpio-line-names = "wifi_reset@6";
104
105            led@0 {
106                label = "gta04:red:aux";
107                reg = <0x0>;
108            };
109
110            led@1 {
111                label = "gta04:green:aux";
112                reg = <0x1>;
113            };
114
115            led@3 {
116                reg = <0x3>;
117                color = <LED_COLOR_ID_RED>;
118                function = LED_FUNCTION_POWER;
119                linux,default-trigger = "default-on";
120            };
121
122            led@4 {
123                color = <LED_COLOR_ID_GREEN>;
124                function = LED_FUNCTION_POWER;
125                reg = <0x4>;
126            };
127
128            gpio@6 {
129                compatible = "gpio";
130                reg = <0x6>;
131            };
132        };
133    };
134
135...