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-rw-r--r--Documentation/devicetree/bindings/sound/cs4271.txt36
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1Cirrus Logic CS4271 DT bindings
2
3This driver supports both the I2C and the SPI bus.
4
5Required properties:
6
7 - compatible: "cirrus,cs4271"
8
9For required properties on SPI, please consult
10Documentation/devicetree/bindings/spi/spi-bus.txt
11
12Required properties on I2C:
13
14 - reg: the i2c address
15
16
17Optional properties:
18
19 - reset-gpio: a GPIO spec to define which pin is connected to the chip's
20 !RESET pin
21
22Examples:
23
24 codec_i2c: cs4271@10 {
25 compatible = "cirrus,cs4271";
26 reg = <0x10>;
27 reset-gpio = <&gpio 23 0>;
28 };
29
30 codec_spi: cs4271@0 {
31 compatible = "cirrus,cs4271";
32 reg = <0x0>;
33 reset-gpio = <&gpio 23 0>;
34 spi-max-frequency = <6000000>;
35 };
36