Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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 | |
| 7 | title: Mediatek MT6359 Codec |
| 8 | |
| 9 | maintainers: |
| 10 | - Eason Yen <eason.yen@mediatek.com> |
| 11 | - Jiaxin Yu <jiaxin.yu@mediatek.com> |
| 12 | - Shane Chien <shane.chien@mediatek.com> |
| 13 | |
| 14 | description: | |
| 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 | |
| 19 | properties: |
| 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 | |
| 52 | additionalProperties: false |
| 53 | |
| 54 | examples: |
| 55 | - | |
| 56 | mt6359codec: mt6359codec { |
| 57 | mediatek,dmic-mode = <0>; |
| 58 | mediatek,mic-type-0 = <2>; |
| 59 | }; |
| 60 | |
| 61 | ... |