Documentation/devicetree/bindings/leds/irled/ir-spi-led.yaml

   1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/leds/irled/ir-spi-led.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: IR LED connected through SPI bus
   8
   9 maintainers:
  10   - Sean Young <sean@mess.org>
  11
  12 description:
  13   IR LED switch is connected to the MOSI line of the SPI device and the data
  14   is delivered through that.
  15
  16 allOf:
  17   - $ref: /schemas/spi/spi-peripheral-props.yaml#
  18
  19 properties:
  20   compatible:
  21     const: ir-spi-led
  22
  23   reg:
  24     maxItems: 1
  25
  26   duty-cycle:
  27     $ref: /schemas/types.yaml#/definitions/uint8
  28     enum: [50, 60, 70, 75, 80, 90]
  29     description:
  30       Percentage of one period in which the signal is active.
  31
  32   led-active-low:
  33     type: boolean
  34     description:
  35       Output is negated with a NOT gate.
  36
  37   power-supply: true
  38
  39 required:
  40   - compatible
  41   - reg
  42
  43 unevaluatedProperties: false
  44
  45 examples:
  46   - |
  47     spi {
  48         #address-cells = <1>;
  49         #size-cells = <0>;
  50
  51         irled@0 {
  52             compatible = "ir-spi-led";
  53             reg = <0x0>;
  54
  55             duty-cycle = /bits/ 8 <60>;
  56             led-active-low;
  57             power-supply = <&irda_regulator>;
  58             spi-max-frequency = <5000000>;
  59         };
  60     };
  61