Merge branch 'for-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu
[sfrench/cifs-2.6.git] / Documentation / devicetree / bindings / sound / ak4104.txt
1 AK4104 S/PDIF transmitter
2
3 This device supports SPI mode only.
4
5 Required properties:
6
7   - compatible : "asahi-kasei,ak4104"
8
9   - reg : The chip select number on the SPI bus
10
11   - vdd-supply : A regulator node, providing 2.7V - 3.6V
12
13 Optional properties:
14
15   - reset-gpios : a GPIO spec for the reset pin. If specified, it will be
16                   deasserted before communication to the device starts.
17
18 Example:
19
20 spdif: ak4104@0 {
21         compatible = "asahi-kasei,ak4104";
22         reg = <0>;
23         spi-max-frequency = <5000000>;
24         vdd-supply = <&vdd_3v3_reg>;
25 };