1 CS53L30 audio CODEC 1 CS53L30 audio CODEC
2 2
3 Required properties: 3 Required properties:
4 4
5 - compatible : "cirrus,cs53l30" 5 - compatible : "cirrus,cs53l30"
6 6
7 - reg : the I2C address of the device 7 - reg : the I2C address of the device
8 8
9 - VA-supply, VP-supply : power supplies for 9 - VA-supply, VP-supply : power supplies for the device,
10 as covered in Documentation/devicetree/bin 10 as covered in Documentation/devicetree/bindings/regulator/regulator.txt.
11 11
12 Optional properties: 12 Optional properties:
13 13
14 - reset-gpios : a GPIO spec for the reset pi 14 - reset-gpios : a GPIO spec for the reset pin.
15 15
16 - mute-gpios : a GPIO spec for the MUTE pin. 16 - mute-gpios : a GPIO spec for the MUTE pin. The active state can be either
17 GPIO_ACTIVE_HIGH or GPIO_ACTI 17 GPIO_ACTIVE_HIGH or GPIO_ACTIVE_LOW, which would be handled
18 by the driver automatically. 18 by the driver automatically.
19 19
20 - cirrus,micbias-lvl : Set the output voltag 20 - cirrus,micbias-lvl : Set the output voltage level on the MICBIAS Pin.
21 0 = Hi-Z 21 0 = Hi-Z
22 1 = 1.80 V 22 1 = 1.80 V
23 2 = 2.75 V 23 2 = 2.75 V
24 24
25 - cirrus,use-sdout2 : This is a boolean prop 25 - cirrus,use-sdout2 : This is a boolean property. If present, it indicates
26 the hardware design co 26 the hardware design connects both SDOUT1 and SDOUT2
27 pins to output data. O 27 pins to output data. Otherwise, it indicates that
28 only SDOUT1 is connect 28 only SDOUT1 is connected for data output.
29 * CS53l30 supports 4-c 29 * CS53l30 supports 4-channel data output in the same
30 * frame using two diff 30 * frame using two different ways:
31 * 1) Normal I2S mode o 31 * 1) Normal I2S mode on two data pins -- each SDOUT
32 * carries 2-channel 32 * carries 2-channel data in the same time.
33 * 2) TDM mode on one s 33 * 2) TDM mode on one single data pin -- SDOUT1 carries
34 * 4-channel data pe 34 * 4-channel data per frame.
35 35
36 Example: 36 Example:
37 37
38 codec: cs53l30@48 { 38 codec: cs53l30@48 {
39 compatible = "cirrus,cs53l30"; 39 compatible = "cirrus,cs53l30";
40 reg = <0x48>; 40 reg = <0x48>;
41 reset-gpios = <&gpio 54 0>; 41 reset-gpios = <&gpio 54 0>;
42 VA-supply = <&cs53l30_va>; 42 VA-supply = <&cs53l30_va>;
43 VP-supply = <&cs53l30_vp>; 43 VP-supply = <&cs53l30_vp>;
44 }; 44 };
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