0001 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
0002 %YAML 1.2
0003 ---
0004 $id: "http://devicetree.org/schemas/sound/nvidia,tegra-audio-common.yaml#"
0005 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
0006
0007 title: Common properties for NVIDIA Tegra audio complexes
0008
0009 maintainers:
0010 - Jon Hunter <jonathanh@nvidia.com>
0011 - Thierry Reding <thierry.reding@gmail.com>
0012
0013 properties:
0014 clocks:
0015 items:
0016 - description: PLL A clock
0017 - description: PLL A OUT0 clock
0018 - description: The Tegra cdev1/extern1 clock, which feeds the card's mclk
0019
0020 clock-names:
0021 items:
0022 - const: pll_a
0023 - const: pll_a_out0
0024 - const: mclk
0025
0026 nvidia,model:
0027 $ref: /schemas/types.yaml#/definitions/string
0028 description: The user-visible name of this sound complex.
0029
0030 nvidia,audio-routing:
0031 $ref: /schemas/types.yaml#/definitions/non-unique-string-array
0032 description: |
0033 A list of the connections between audio components.
0034 Each entry is a pair of strings, the first being the connection's sink,
0035 the second being the connection's source. Valid names for sources and
0036 sinks are the pins (documented in the binding document),
0037 and the jacks on the board.
0038
0039 nvidia,ac97-controller:
0040 $ref: /schemas/types.yaml#/definitions/phandle
0041 description: The phandle of the AC97 controller
0042
0043 nvidia,i2s-controller:
0044 $ref: /schemas/types.yaml#/definitions/phandle
0045 description: The phandle of the Tegra I2S controller
0046
0047 nvidia,audio-codec:
0048 $ref: /schemas/types.yaml#/definitions/phandle
0049 description: The phandle of audio codec
0050
0051 nvidia,spkr-en-gpios:
0052 maxItems: 1
0053 description: The GPIO that enables the speakers
0054
0055 nvidia,hp-mute-gpios:
0056 maxItems: 1
0057 description: The GPIO that mutes the headphones
0058
0059 nvidia,hp-det-gpios:
0060 maxItems: 1
0061 description: The GPIO that detect headphones are plugged in
0062
0063 nvidia,mic-det-gpios:
0064 maxItems: 1
0065 description: The GPIO that detect microphone is plugged in
0066
0067 nvidia,ear-sel-gpios:
0068 maxItems: 1
0069 description: The GPIO that switch between the microphones
0070
0071 nvidia,int-mic-en-gpios:
0072 maxItems: 1
0073 description: The GPIO that enables the internal microphone
0074
0075 nvidia,ext-mic-en-gpios:
0076 maxItems: 1
0077 description: The GPIO that enables the external microphone
0078
0079 nvidia,headset:
0080 type: boolean
0081 description: The Mic Jack represents state of the headset microphone pin
0082
0083 additionalProperties: true
