1# SPDX-License-Identifier: GPL-2.0
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/sound/mt6359.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Mediatek MT6359 Codec Device Tree Bindings
8
9maintainers:
10  - Eason Yen <eason.yen@mediatek.com>
11  - Jiaxin Yu <jiaxin.yu@mediatek.com>
12  - Shane Chien <shane.chien@mediatek.com>
13
14description: |
15  The communication between MT6359 and SoC is through Mediatek PMIC wrapper.
16  For more detail, please visit Mediatek PMIC wrapper documentation.
17  Must be a child node of PMIC wrapper.
18
19properties:
20  mediatek,dmic-mode:
21    $ref: /schemas/types.yaml#/definitions/uint32
22    description: |
23      Indicates how many data pins are used to transmit two channels of PDM
24      signal. 0 means two wires, 1 means one wire. Default value is 0.
25    enum:
26      - 0 # one wire
27      - 1 # two wires
28
29  mediatek,mic-type-0:
30    $ref: /schemas/types.yaml#/definitions/uint32
31    description: |
32      Specifies the type of mic type connected to adc0
33
34    enum:
35      - 0 # IDLE - mic in turn-off status
36      - 1 # ACC - analog mic with alternating coupling
37      - 2 # DMIC - digital mic
38      - 3 # DCC - analog mic with direct couping
39      - 4 # DCC_ECM_DIFF - analog electret condenser mic with differential mode
40      - 5 # DCC_ECM_SINGLE - analog electret condenser mic with single mode
41
42  mediatek,mic-type-1:
43    $ref: /schemas/types.yaml#/definitions/uint32
44    description: |
45      Specifies the type of mic type connected to adc1
46
47  mediatek,mic-type-2:
48    $ref: /schemas/types.yaml#/definitions/uint32
49    description: |
50      Specifies the type of mic type connected to adc2
51
52additionalProperties: false
53
54examples:
55  - |
56    mt6359codec: mt6359codec {
57      mediatek,dmic-mode = <0>;
58      mediatek,mic-type-0 = <2>;
59    };
60
61...
62