Signed-off-by: Junichi Wakasugi wakasugi.jb@om.asahi-kasei.co.jp Signed-off-by: Mihai Serban mihai.serban@nxp.com Signed-off-by: Shengjiu Wang shengjiu.wang@nxp.com Signed-off-by: Cosmin-Gabriel Samoila cosmin.samoila@nxp.com --- Documentation/devicetree/bindings/sound/ak4458.txt | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/ak4458.txt
diff --git a/Documentation/devicetree/bindings/sound/ak4458.txt b/Documentation/devicetree/bindings/sound/ak4458.txt new file mode 100644 index 0000000..9bab245 --- /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. + +Optional properties: +- reset-gpios: A GPIO specifier for the power down & reset pin +- mute-gpios: A GPIO specifier for the soft mute pin + +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> + }; +};