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
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