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Diffstat (limited to 'Documentation/devicetree/bindings/sound/ak4458.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/ak4458.txt | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/ak4458.txt b/Documentation/devicetree/bindings/sound/ak4458.txt new file mode 100644 index 000000000000..b9e6eb3b103d --- /dev/null +++ b/Documentation/devicetree/bindings/sound/ak4458.txt @@ -0,0 +1,23 @@ +AK4458 audio DAC + +This device supports both I2C and SPI modes. + +Required properties: + +- compatible : "asahi-kasei,ak4458" +- reg : The I2C address of the device for I2C, the chip select number for SPI. +- asahi-kasei,pdn-gpios: A GPIO specifier for the GPIO controlling + the power down & reset pin. +- asahi-kasei,mute-gpios: A GPIO specifier for the GPIO controlling + the soft mute pin. + +Example: + +&i2c { + ak4458: ak4458@10 { + compatible = "asahi-kasei,ak4458"; + reg = <0x10>; + asahi-kasei,pdn-gpios = <&gpio1 10 GPIO_ACTIVE_HIGH> + asahi-kasei,mute-gpios = <&gpio1 11 GPIO_ACTIVE_HIGH> + }; +}; |