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author | Takashi Iwai <tiwai@suse.de> | 2022-12-22 11:11:48 +0300 |
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committer | Takashi Iwai <tiwai@suse.de> | 2022-12-22 11:11:48 +0300 |
commit | 2d78eb0342dd2c9c5cde9ae9ada1d33f189a858b (patch) | |
tree | f711bc9cab45f4963e4883ef15ff4c54a6cbc12e /Documentation/devicetree/bindings/sound/max98504.txt | |
parent | b47068b4aa53a57552398e3f60d0ed1918700c2b (diff) | |
parent | ee0b089d660021792e4ab4dda191b097ce1e964f (diff) | |
download | linux-2d78eb0342dd2c9c5cde9ae9ada1d33f189a858b.tar.xz |
Merge branch 'for-next' into for-linus
Diffstat (limited to 'Documentation/devicetree/bindings/sound/max98504.txt')
-rw-r--r-- | Documentation/devicetree/bindings/sound/max98504.txt | 44 |
1 files changed, 0 insertions, 44 deletions
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>; -}; |