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87c0881bd7
The Texas Instruments PCM1754 is a simple stereo DAC without any digital management interface but soft mute, PCM input format and 44.1 kHz digital de-emphasis can be configured via strapping pins. Only soft mute and PCM input format selection is currently exposed via optional GPIOs in the driver. Signed-off-by: Stefan Kerkmann <s.kerkmann@pengutronix.de> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://patch.msgid.link/20250910-v6-12-topic-pcm1754-v2-1-0917dbe73c65@pengutronix.de Signed-off-by: Mark Brown <broonie@kernel.org>
56 lines
1.0 KiB
YAML
56 lines
1.0 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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$id: http://devicetree.org/schemas/sound/ti,pcm1754.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Texas Instruments PCM1754 Stereo DAC
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description:
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The PCM1754 is a simple stereo DAC that is controlled via hardware gpios.
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maintainers:
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- Stefan Kerkmann <s.kerkmann@pengutronix.de>
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allOf:
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- $ref: dai-common.yaml#
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properties:
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compatible:
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enum:
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- ti,pcm1754
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vcc-supply: true
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'#sound-dai-cells':
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const: 0
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format-gpios:
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maxItems: 1
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description:
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GPIO used to select the PCM format
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mute-gpios:
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maxItems: 1
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description:
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GPIO used to mute all outputs
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required:
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- compatible
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- '#sound-dai-cells'
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- vcc-supply
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/gpio/gpio.h>
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codec {
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compatible = "ti,pcm1754";
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#sound-dai-cells = <0>;
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vcc-supply = <&vcc_reg>;
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mute-gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;
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format-gpios = <&gpio 1 GPIO_ACTIVE_HIGH>;
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};
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