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Diffstat (limited to 'Documentation/devicetree/bindings/sound/ak4458.txt')
-rw-r--r-- | Documentation/devicetree/bindings/sound/ak4458.txt | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/ak4458.txt b/Documentation/devicetree/bindings/sound/ak4458.txt new file mode 100644 index 000000000..0416c1489 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/ak4458.txt @@ -0,0 +1,28 @@ +AK4458 audio DAC + +This device supports I2C mode. + +Required properties: + +- compatible : "asahi-kasei,ak4458" or "asahi-kasei,ak4497" +- reg : The I2C address of the device for I2C + +Optional properties: +- reset-gpios: A GPIO specifier for the power down & reset pin +- mute-gpios: A GPIO specifier for the soft mute pin +- AVDD-supply: Analog power supply +- DVDD-supply: Digital power supply +- dsd-path: Select DSD input pins for ak4497 + 0: select #16, #17, #19 pins + 1: select #3, #4, #5 pins + +Example: + +&i2c { + ak4458: dac@10 { + compatible = "asahi-kasei,ak4458"; + reg = <0x10>; + reset-gpios = <&gpio1 10 GPIO_ACTIVE_LOW> + mute-gpios = <&gpio1 11 GPIO_ACTIVE_HIGH> + }; +}; |