tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1AK4458 audio DAC
2
3This device supports I2C mode.
4
5Required properties:
6
7- compatible : "asahi-kasei,ak4458" or "asahi-kasei,ak4497"
8- reg : The I2C address of the device for I2C
9
10Optional properties:
11- reset-gpios: A GPIO specifier for the power down & reset pin
12- mute-gpios: A GPIO specifier for the soft mute pin
13- AVDD-supply: Analog power supply
14- DVDD-supply: Digital power supply
15- dsd-path: Select DSD input pins for ak4497
16 0: select #16, #17, #19 pins
17 1: select #3, #4, #5 pins
18
19Example:
20
21&i2c {
22 ak4458: dac@10 {
23 compatible = "asahi-kasei,ak4458";
24 reg = <0x10>;
25 reset-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>
26 mute-gpios = <&gpio1 11 GPIO_ACTIVE_HIGH>
27 };
28};