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0411332240
Convert the TWL4030 audio module bindings from txt to YAML format and move them to the sound subsystem bindings directory. This patch also refines the schema by adding an enum constraint for ti,enable-vibra and updates the example to remove irrelevant I2C clock-frequency property. Signed-off-by: Jihed Chaibi <jihed.chaibi.dev@gmail.com> Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Link: https://patch.msgid.link/20250819201302.80712-2-jihed.chaibi.dev@gmail.com Signed-off-by: Mark Brown <broonie@kernel.org>
91 lines
2.3 KiB
YAML
91 lines
2.3 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/sound/ti,twl4030-audio.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Texas Instruments TWL4030-family Audio Module
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maintainers:
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- Peter Ujfalusi <peter.ujfalusi@gmail.com>
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description:
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The audio module within the TWL4030-family of companion chips consists
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of an audio codec and a vibra driver. This binding describes the parent
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node for these functions.
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properties:
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compatible:
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const: ti,twl4030-audio
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codec:
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type: object
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description: Node containing properties for the audio codec functionality.
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properties:
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ti,digimic_delay:
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$ref: /schemas/types.yaml#/definitions/uint32
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description:
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Delay in milliseconds after enabling digital microphones to reduce
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artifacts.
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ti,ramp_delay_value:
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$ref: /schemas/types.yaml#/definitions/uint32
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description:
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Headset ramp delay configuration to reduce pop noise.
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ti,hs_extmute:
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type: boolean
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description:
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Enable the use of an external mute for headset pop reduction.
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ti,hs_extmute_gpio:
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$ref: /schemas/types.yaml#/definitions/phandle-array
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description:
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The GPIO specifier for the external mute control.
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maxItems: 1
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ti,offset_cncl_path:
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$ref: /schemas/types.yaml#/definitions/uint32
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description:
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Offset cancellation path selection. Refer to the Technical
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Reference Manual for valid values.
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# The 'codec' node itself is optional, but if it exists, it can be empty.
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# We don't require any of its sub-properties.
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ti,enable-vibra:
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$ref: /schemas/types.yaml#/definitions/uint32
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enum: [0, 1]
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description:
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Enable or disable the vibra functionality.
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additionalProperties: false
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required:
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- compatible
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examples:
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- |
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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twl: twl@48 {
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reg = <0x48>;
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interrupts = <7>; /* SYS_NIRQ cascaded to intc */
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interrupt-parent = <&intc>;
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twl_audio: audio {
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compatible = "ti,twl4030-audio";
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ti,enable-vibra = <1>;
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codec {
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ti,ramp_delay_value = <3>;
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};
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};
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};
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};
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