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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /Documentation/devicetree/bindings/sound/maxim,max98504.yaml | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/sound/maxim,max98504.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/sound/maxim,max98504.yaml | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/maxim,max98504.yaml b/Documentation/devicetree/bindings/sound/maxim,max98504.yaml new file mode 100644 index 0000000000..23f19a9d2c --- /dev/null +++ b/Documentation/devicetree/bindings/sound/maxim,max98504.yaml @@ -0,0 +1,86 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/maxim,max98504.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Maxim Integrated MAX98504 class D mono speaker amplifier + +maintainers: + - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> + +description: + Maxim Integrated MAX98504 speaker amplifier supports I2C control interface + with an IRQ output signal, PCM and PDM digital audio interface (DAI) and a + differential analog input. + +properties: + compatible: + const: maxim,max98504 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + DIOVDD-supply: true + DVDD-supply: true + PVDD-supply: true + + maxim,brownout-threshold: + $ref: /schemas/types.yaml#/definitions/uint32 + maximum: 21 + default: 0 + description: + PVDD brownout threshold, where values correspond to 2.6V, 2.65V...3.65V + voltage range. Property also enables the PVDD brownout protection. + + maxim,brownout-attenuation: + $ref: /schemas/types.yaml#/definitions/uint32 + maximum: 6 + default: 0 + description: + Brownout attenuation to the speaker gain applied during the "attack hold" + and "timed hold" phase, the value must be from 0...6 (dB) range. + + maxim,brownout-attack-hold-ms: + maximum: 255 + default: 0 + description: + Brownout attack hold phase time in ms, VBATBROWN_ATTK_HOLD, register 0x0018. + + maxim,brownout-timed-hold-ms: + maximum: 255 + default: 0 + description: + Brownout timed hold phase time in ms, VBATBROWN_TIME_HOLD, register 0x0019. + + maxim,brownout-release-rate-ms: + maximum: 255 + default: 0 + description: + Brownout release phase step time in ms, VBATBROWN_RELEASE, register 0x001A. + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + amplifier@31 { + compatible = "maxim,max98504"; + reg = <0x31>; + + DIOVDD-supply = <&ldo3_reg>; + DVDD-supply = <&ldo3_reg>; + }; + }; |