summaryrefslogtreecommitdiffstats
path: root/Documentation/devicetree/bindings/sound/da7213.txt
blob: 94584c96c4ae2237f1b457973d5ebc3a0d58ecc5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
Dialog Semiconductor DA7212/DA7213 Audio Codec bindings

======

Required properties:
- compatible : Should be "dlg,da7212" or "dlg,da7213"
- reg: Specifies the I2C slave address

Optional properties:
- clocks : phandle and clock specifier for codec MCLK.
- clock-names : Clock name string for 'clocks' attribute, should be "mclk".

- dlg,micbias1-lvl : Voltage (mV) for Mic Bias 1
	[<1600>, <2200>, <2500>, <3000>]
- dlg,micbias2-lvl : Voltage (mV) for Mic Bias 2
	[<1600>, <2200>, <2500>, <3000>]
- dlg,dmic-data-sel : DMIC channel select based on clock edge.
	["lrise_rfall", "lfall_rrise"]
- dlg,dmic-samplephase : When to sample audio from DMIC.
	["on_clkedge", "between_clkedge"]
- dlg,dmic-clkrate : DMIC clock frequency (Hz).
	[<1500000>, <3000000>]

 - VDDA-supply : Regulator phandle for Analogue power supply
 - VDDMIC-supply : Regulator phandle for Mic Bias
 - VDDIO-supply : Regulator phandle for I/O power supply

======

Example:

	codec_i2c: da7213@1a {
		compatible = "dlg,da7213";
 		reg = <0x1a>;

 		clocks = <&clks 201>;
		clock-names = "mclk";

		dlg,micbias1-lvl = <2500>;
		dlg,micbias2-lvl = <2500>;

		dlg,dmic-data-sel = "lrise_rfall";
		dlg,dmic-samplephase = "between_clkedge";
		dlg,dmic-clkrate = <3000000>;
	};