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Diffstat (limited to 'Documentation/devicetree/bindings/sound/max98504.txt')
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diff --git a/Documentation/devicetree/bindings/sound/max98504.txt b/Documentation/devicetree/bindings/sound/max98504.txt deleted file mode 100644 index 583ed5fdfb28..000000000000 --- a/Documentation/devicetree/bindings/sound/max98504.txt +++ /dev/null @@ -1,44 +0,0 @@ -Maxim MAX98504 class D mono speaker amplifier - -This device supports I2C control interface and an IRQ output signal. It features -a PCM and PDM digital audio interface (DAI) and a differential analog input. - -Required properties: - - - compatible : "maxim,max98504" - - reg : should contain the I2C slave device address - - DVDD-supply, DIOVDD-supply, PVDD-supply: power supplies for the device, - as covered in ../regulator/regulator.txt - - interrupts : should specify the interrupt line the device is connected to, - as described in ../interrupt-controller/interrupts.txt - -Optional properties: - - - maxim,brownout-threshold - the PVDD brownout threshold, the value must be - from 0, 1...21 range, corresponding to 2.6V, 2.65V...3.65V voltage range - - maxim,brownout-attenuation - the 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 - the brownout attack hold phase time in ms, - 0...255 (VBATBROWN_ATTK_HOLD, register 0x0018) - - maxim,brownout-timed-hold-ms - the brownout timed hold phase time in ms, - 0...255 (VBATBROWN_TIME_HOLD, register 0x0019) - - maxim,brownout-release-rate-ms - the brownout release phase step time in ms, - 0...255 (VBATBROWN_RELEASE, register 0x001A) - -The default value when the above properties are not specified is 0, -the maxim,brownout-threshold property must be specified to actually enable -the PVDD brownout protection. - -Example: - - max98504@31 { - compatible = "maxim,max98504"; - reg = <0x31>; - interrupt-parent = <&gpio_bank_0>; - interrupts = <2 0>; - - DVDD-supply = <®ulator>; - DIOVDD-supply = <®ulator>; - PVDD-supply = <®ulator>; -}; |