xref: /linux/Documentation/devicetree/bindings/input/ti,drv260x.yaml (revision 6f84981772535e670e4e2df051a672af229b6694) 
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/input/ti,drv260x.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Texas Instruments - drv260x Haptics driver family
8
9maintainers:
10  - Andrew Davis <afd@ti.com>
11
12properties:
13  compatible:
14    enum:
15      - ti,drv2604
16      - ti,drv2605
17      - ti,drv2605l
18
19  reg:
20    maxItems: 1
21
22  vbat-supply:
23    description: Power supply to the haptic motor
24
25  # TODO: Deprecate 'mode' in favor of differently named property
26  mode:
27    $ref: /schemas/types.yaml#/definitions/uint32
28    description: |
29      Power up mode of the chip
30      (defined in include/dt-bindings/input/ti-drv260x.h)
31
32      DRV260X_LRA_MODE
33        Linear Resonance Actuator mode (Piezoelectric)
34
35      DRV260X_LRA_NO_CAL_MODE
36        This is a LRA Mode but there is no calibration sequence during init.
37        And the device is configured for real time playback mode (RTP mode).
38
39      DRV260X_ERM_MODE
40        Eccentric Rotating Mass mode (Rotary vibrator)
41    enum: [ 0, 1, 2 ]
42
43  library-sel:
44    $ref: /schemas/types.yaml#/definitions/uint32
45    description: |
46      These are ROM based waveforms pre-programmed into the IC.
47      This should be set to set the library to use at power up.
48      (defined in include/dt-bindings/input/ti-drv260x.h)
49
50      DRV260X_LIB_EMPTY - Do not use a pre-programmed library
51      DRV260X_ERM_LIB_A - Pre-programmed Library
52      DRV260X_ERM_LIB_B - Pre-programmed Library
53      DRV260X_ERM_LIB_C - Pre-programmed Library
54      DRV260X_ERM_LIB_D - Pre-programmed Library
55      DRV260X_ERM_LIB_E - Pre-programmed Library
56      DRV260X_ERM_LIB_F - Pre-programmed Library
57      DRV260X_LIB_LRA - Pre-programmed LRA Library
58    enum: [ 0, 1, 2, 3, 4, 5, 6, 7 ]
59
60  enable-gpio:
61    maxItems: 1
62    deprecated: true
63
64  enable-gpios:
65    maxItems: 1
66
67  vib-rated-mv:
68    $ref: /schemas/types.yaml#/definitions/uint32
69    description: |
70      The rated voltage of the actuator in millivolts.
71      If this is not set then the value will be defaulted to 3200 mV.
72    default: 3200
73
74  vib-overdrive-mv:
75    $ref: /schemas/types.yaml#/definitions/uint32
76    description: |
77      The overdrive voltage of the actuator in millivolts.
78      If this is not set then the value will be defaulted to 3200 mV.
79    default: 3200
80
81required:
82  - compatible
83  - reg
84  - enable-gpios
85  - mode
86  - library-sel
87
88additionalProperties: false
89
90examples:
91  - |
92    #include <dt-bindings/gpio/gpio.h>
93    #include <dt-bindings/input/ti-drv260x.h>
94
95    i2c {
96        #address-cells = <1>;
97        #size-cells = <0>;
98
99        haptics@5a {
100            compatible = "ti,drv2605l";
101            reg = <0x5a>;
102            vbat-supply = <&vbat>;
103            enable-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>;
104            mode = <DRV260X_LRA_MODE>;
105            library-sel = <DRV260X_LIB_LRA>;
106            vib-rated-mv = <3200>;
107            vib-overdrive-mv = <3200>;
108        };
109    };
110