ti,tas2770.yaml

 1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
 2# Copyright (C) 2019-20 Texas Instruments Incorporated
 3%YAML 1.2
 4---
 5$id: http://devicetree.org/schemas/sound/ti,tas2770.yaml#
 6$schema: http://devicetree.org/meta-schemas/core.yaml#
 7
 8title: Texas Instruments TAS2770 Smart PA
 9
10maintainers:
11  - Shi Fu <shifu0704@thundersoft.com>
12
13description: |
14  The TAS2770 is a mono, digital input Class-D audio amplifier optimized for
15  efficiently driving high peak power into small loudspeakers.
16  Integrated speaker voltage and current sense provides for
17  real time monitoring of loudspeaker behavior.
18
19allOf:
20  - $ref: dai-common.yaml#
21
22properties:
23  compatible:
24    enum:
25      - ti,tas2770
26      - ti,tas5770l # Apple variant
27
28  reg:
29    maxItems: 1
30    description: |
31       I2C address of the device can be between 0x41 to 0x48.
32
33  reset-gpio:
34    maxItems: 1
35    description: GPIO used to reset the device.
36
37  shutdown-gpios:
38    maxItems: 1
39    description: GPIO used to control the state of the device.
40
41  interrupts:
42    maxItems: 1
43
44  ti,imon-slot-no:
45    $ref: /schemas/types.yaml#/definitions/uint32
46    description: TDM TX current sense time slot.
47
48  ti,vmon-slot-no:
49    $ref: /schemas/types.yaml#/definitions/uint32
50    description: TDM TX voltage sense time slot.
51
52  ti,asi-format:
53    deprecated: true
54    $ref: /schemas/types.yaml#/definitions/uint32
55    description: Sets TDM RX capture edge.
56    enum:
57      - 0 # Rising edge
58      - 1 # Falling edge
59
60  '#sound-dai-cells':
61    # The codec has a single DAI, the #sound-dai-cells=<1>; case is left in for backward
62    # compatibility but is deprecated.
63    enum: [0, 1]
64
65required:
66  - compatible
67  - reg
68
69unevaluatedProperties: false
70
71examples:
72  - |
73    #include <dt-bindings/gpio/gpio.h>
74
75    i2c {
76        #address-cells = <1>;
77        #size-cells = <0>;
78
79        codec@41 {
80            compatible = "ti,tas2770";
81            reg = <0x41>;
82            #sound-dai-cells = <0>;
83            interrupt-parent = <&gpio1>;
84            interrupts = <14>;
85            reset-gpio = <&gpio1 15 GPIO_ACTIVE_HIGH>;
86            shutdown-gpios = <&gpio1 14 GPIO_ACTIVE_HIGH>;
87            ti,imon-slot-no = <0>;
88            ti,vmon-slot-no = <2>;
89        };
90    };