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6a47412d07
Add devicetree parameters to control the insertion, release and press debounce times. Signed-off-by: Astrid Rost <astrid.rost@axis.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20220921081834.22009-3-astrid.rost@axis.com Signed-off-by: Mark Brown <broonie@kernel.org>
95 lines
1.9 KiB
YAML
95 lines
1.9 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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$id: http://devicetree.org/schemas/sound/ti,ts3a227e.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Texas Instruments TS3A227E
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Autonomous Audio Accessory Detection and Configuration Switch
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maintainers:
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- Dylan Reid <dgreid@chromium.org>
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description: |
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The TS3A227E detect headsets of 3-ring and 4-ring standards and
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switches automatically to route the microphone correctly. It also
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handles key press detection in accordance with the Android audio
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headset specification v1.0.
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properties:
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compatible:
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enum:
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- ti,ts3a227e
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reg:
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const: 0x3b
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interrupts:
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maxItems: 1
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ti,micbias:
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$ref: /schemas/types.yaml#/definitions/uint32
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description: Intended MICBIAS voltage (datasheet section 9.6.7).
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enum:
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- 0 # 2.1 V
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- 1 # 2.2 V
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- 2 # 2.3 V
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- 3 # 2.4 V
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- 4 # 2.5 V
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- 5 # 2.6 V
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- 6 # 2.7 V
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- 7 # 2.8 V
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default: 1
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ti,debounce-release-ms:
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description: key release debounce time in ms (datasheet section 9.6.7).
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enum:
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- 0
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- 20
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default: 20
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ti,debounce-press-ms:
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description: key press debounce time in ms (datasheet section 9.6.7).
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enum:
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- 2
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- 40
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- 80
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- 120
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default: 80
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ti,debounce-insertion-ms:
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description: headset insertion debounce time in ms (datasheet section 9.6.5).
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enum:
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- 2
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- 30
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- 60
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- 90
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- 120
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- 150
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- 1000
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- 2000
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default: 90
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required:
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- compatible
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- reg
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- interrupts
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/irq.h>
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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codec: audio-controller@3b {
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compatible = "ti,ts3a227e";
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reg = <0x3b>;
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interrupt-parent = <&gpio1>;
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interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
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};
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};
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...
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