From: Nuno Sa <nuno.sa@xxxxxxxxxx> Describe the adau1373 Low Power Codec with Speaker and Headphone Amplifier. While at it, properly add a MAINTAINERS entry for ADI sound bindings. Signed-off-by: Nuno Sa <nuno.sa@xxxxxxxxxx> --- .../devicetree/bindings/sound/adi,adau1373.yaml | 111 +++++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 112 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/adi,adau1373.yaml b/Documentation/devicetree/bindings/sound/adi,adau1373.yaml new file mode 100644 index 000000000000..97552bf5d951 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/adi,adau1373.yaml @@ -0,0 +1,111 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/adi,adau1373.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices ADAU1373 CODEC + +maintainers: + - Nuno Sá <nuno.sa@xxxxxxxxxx> + +description: | + Analog Devices ADAU1373 Low power codec with speaker and headphone amplifiers. + https://www.analog.com/media/en/technical-documentation/data-sheets/ADAU1373.pdf + +allOf: + - $ref: dai-common.yaml# + +properties: + compatible: + enum: + - adi,adau1373 + + reg: + maxItems: 1 + + "#sound-dai-cells": + const: 0 + + powerdown-gpios: + description: GPIO used for hardware power-down. + maxItems: 1 + + adi,micbias1-microvolt: + description: + This property sets the microphone bias voltage for the first microphone. + enum: [1800000, 2200000, 2600000, 2900000] + default: 2900000 + + adi,micbias2-microvolt: + description: + This property sets the microphone bias voltage for the second microphone. + enum: [1800000, 2200000, 2600000, 2900000] + default: 2900000 + + adi,input1-differential: + description: This property sets the first analog input as differential. + type: boolean + + adi,input2-differential: + description: This property sets the second analog input as differential. + type: boolean + + adi,input3-differential: + description: This property sets the third analog input as differential. + type: boolean + + adi,input4-differential: + description: This property sets the fourth analog input as differential. + type: boolean + + adi,lineout-differential: + description: This property sets the line output as differential. + type: boolean + + adi,lineout-gnd-sense: + description: This property enables the line output ground sense control. + type: boolean + + adi,drc-settings: + description: + This setting is used to control the dynamic range of the signal. The + device provides a maximum of three full band DRCs with 13 entries each. + $ref: /schemas/types.yaml#/definitions/uint8-array + oneOf: + - minItems: 13 + maxItems: 13 + - minItems: 26 + maxItems: 26 + - minItems: 39 + maxItems: 39 + +required: + - "#sound-dai-cells" + - compatible + - reg + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + audio-codec@1a { + compatible = "adi,adau1373"; + reg = <0x1a>; + #sound-dai-cells = <0>; + powerdown-gpios = <&gpio 100 GPIO_ACTIVE_LOW>; + adi,input2-differential; + adi,input1-differential; + adi,lineout-differential; + adi,micbias2-microvolt = <1800000>; + adi,drc-settings = /bits/ 8 < + 0xff 0xff 0x1 0x2 0xa 0xa 0xd 0x1 0xff 0xff 0x5 0xd 0xff + >; + }; + }; +... diff --git a/MAINTAINERS b/MAINTAINERS index 9d6272c00fbd..24bc5fcac74a 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1521,6 +1521,7 @@ L: linux-sound@xxxxxxxxxxxxxxx S: Supported W: http://wiki.analog.com/ W: https://ez.analog.com/linux-software-drivers +F: Documentation/devicetree/bindings/sound/adi,* F: sound/soc/codecs/ad1* F: sound/soc/codecs/ad7* F: sound/soc/codecs/adau* -- 2.47.0
