1 CS35L32 audio CODEC 1 CS35L32 audio CODEC
2 2
3 Required properties: 3 Required properties:
4 4
5 - compatible : "cirrus,cs35l32" 5 - compatible : "cirrus,cs35l32"
6 6
7 - reg : the I2C address of the device for I2 7 - reg : the I2C address of the device for I2C. Address is determined by the level
8 of the AD0 pin. Level 0 is 0x40 while Level 8 of the AD0 pin. Level 0 is 0x40 while Level 1 is 0x41.
9 9
10 - VA-supply, VP-supply : power supplies for 10 - VA-supply, VP-supply : power supplies for the device,
11 as covered in Documentation/devicetree/bindi 11 as covered in Documentation/devicetree/bindings/regulator/regulator.txt.
12 12
13 Optional properties: 13 Optional properties:
14 14
15 - reset-gpios : a GPIO spec for the reset pi 15 - reset-gpios : a GPIO spec for the reset pin. If specified, it will be
16 deasserted before communication to the codec 16 deasserted before communication to the codec starts.
17 17
18 - cirrus,boost-manager : Boost voltage contr 18 - cirrus,boost-manager : Boost voltage control.
19 0 = Automatically managed. Boost-converter 19 0 = Automatically managed. Boost-converter output voltage is the higher
20 of the two: Class G or adaptive LED voltage. 20 of the two: Class G or adaptive LED voltage.
21 1 = Automatically managed irrespective of au 21 1 = Automatically managed irrespective of audio, adapting for low-power
22 dissipation when LEDs are ON, and operating 22 dissipation when LEDs are ON, and operating in Fixed-Boost Bypass Mode
23 if LEDs are OFF (VBST = VP). 23 if LEDs are OFF (VBST = VP).
24 2 = (Default) Boost voltage fixed in Bypass 24 2 = (Default) Boost voltage fixed in Bypass Mode (VBST = VP).
25 3 = Boost voltage fixed at 5 V. 25 3 = Boost voltage fixed at 5 V.
26 26
27 - cirrus,sdout-datacfg : Data configuration 27 - cirrus,sdout-datacfg : Data configuration for dual CS35L32 applications only.
28 Determines the data packed in a two-CS35L32 28 Determines the data packed in a two-CS35L32 configuration.
29 0 = Left/right channels VMON[11:0], IMON[11: 29 0 = Left/right channels VMON[11:0], IMON[11:0], VPMON[7:0].
30 1 = Left/right channels VMON[11:0], IMON[11: 30 1 = Left/right channels VMON[11:0], IMON[11:0], STATUS.
31 2 = (Default) left/right channels VMON[15:0] 31 2 = (Default) left/right channels VMON[15:0], IMON [15:0].
32 3 = Left/right channels VPMON[7:0], STATUS. 32 3 = Left/right channels VPMON[7:0], STATUS.
33 33
34 - cirrus,sdout-share : SDOUT sharing. Determ 34 - cirrus,sdout-share : SDOUT sharing. Determines whether one or two CS35L32
35 devices are on board sharing SDOUT. 35 devices are on board sharing SDOUT.
36 0 = (Default) One IC. 36 0 = (Default) One IC.
37 1 = Two IC's. 37 1 = Two IC's.
38 38
39 - cirrus,battery-recovery : Low battery nomi 39 - cirrus,battery-recovery : Low battery nominal recovery threshold, rising VP.
40 0 = 3.1V 40 0 = 3.1V
41 1 = 3.2V 41 1 = 3.2V
42 2 = 3.3V (Default) 42 2 = 3.3V (Default)
43 3 = 3.4V 43 3 = 3.4V
44 44
45 - cirrus,battery-threshold : Low battery nom 45 - cirrus,battery-threshold : Low battery nominal threshold, falling VP.
46 0 = 3.1V 46 0 = 3.1V
47 1 = 3.2V 47 1 = 3.2V
48 2 = 3.3V 48 2 = 3.3V
49 3 = 3.4V (Default) 49 3 = 3.4V (Default)
50 4 = 3.5V 50 4 = 3.5V
51 5 = 3.6V 51 5 = 3.6V
52 52
53 Example: 53 Example:
54 54
55 codec: codec@40 { 55 codec: codec@40 {
56 compatible = "cirrus,cs35l32"; 56 compatible = "cirrus,cs35l32";
57 reg = <0x40>; 57 reg = <0x40>;
58 reset-gpios = <&gpio 10 0>; 58 reset-gpios = <&gpio 10 0>;
59 cirrus,boost-manager = <0x03>; 59 cirrus,boost-manager = <0x03>;
60 cirrus,sdout-datacfg = <0x02>; 60 cirrus,sdout-datacfg = <0x02>;
61 VA-supply = <®_audio>; 61 VA-supply = <®_audio>;
62 }; 62 };
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