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a31ebc34 DM |
1 | Cirrus Logic CS4271 DT bindings |
2 | ||
3 | This driver supports both the I2C and the SPI bus. | |
4 | ||
5 | Required properties: | |
6 | ||
7 | - compatible: "cirrus,cs4271" | |
8 | ||
9 | For required properties on SPI, please consult | |
10 | Documentation/devicetree/bindings/spi/spi-bus.txt | |
11 | ||
12 | Required properties on I2C: | |
13 | ||
14 | - reg: the i2c address | |
15 | ||
16 | ||
17 | Optional properties: | |
18 | ||
19 | - reset-gpio: a GPIO spec to define which pin is connected to the chip's | |
20 | !RESET pin | |
21 | ||
22 | Examples: | |
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 |