1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/input/cirrus,cs40l50.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Cirrus Logic CS40L50 Advanced Haptic Driver
8
9 maintainers:
10 - James Ogletree <jogletre@opensource.cirrus.com>
11
12 description:
13 CS40L50 is a haptic driver with waveform memory,
14 integrated DSP, and closed-loop algorithms.
15
16 properties:
17 compatible:
18 enum:
19 - cirrus,cs40l50
20
21 reg:
22 maxItems: 1
23
24 interrupts:
25 maxItems: 1
26
27 reset-gpios:
28 maxItems: 1
29
30 vdd-a-supply:
31 description: Power supply for internal analog circuits.
32
33 vdd-p-supply:
34 description: Power supply for always-on circuits.
35
36 vdd-io-supply:
37 description: Power supply for digital input/output.
38
39 vdd-b-supply:
40 description: Power supply for the boost converter.
41
42 required:
43 - compatible
44 - reg
45 - interrupts
46 - reset-gpios
47 - vdd-io-supply
48
49 additionalProperties: false
50
51 examples:
52 - |
53 #include <dt-bindings/gpio/gpio.h>
54 #include <dt-bindings/interrupt-controller/irq.h>
55
56 i2c {
57 #address-cells = <1>;
58 #size-cells = <0>;
59
60 haptic-driver@34 {
61 compatible = "cirrus,cs40l50";
62 reg = <0x34>;
63 interrupt-parent = <&gpio>;
64 interrupts = <113 IRQ_TYPE_LEVEL_LOW>;
65 reset-gpios = <&gpio 112 GPIO_ACTIVE_LOW>;
66 vdd-io-supply = <&vreg>;
67 };
68 };
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