From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- Documentation/devicetree/bindings/sound/ak4458.txt | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/ak4458.txt (limited to '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 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> + }; +}; -- cgit v1.2.3