aboutsummaryrefslogtreecommitdiff
path: root/dts/upstream/Bindings/sound/sirf-audio.txt
blob: c88882ca3704a5b5fc3dcf56deb474f856931e96 (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
* SiRF atlas6 and prima2 internal audio codec and port based audio setups

Required properties:
- compatible: "sirf,sirf-audio-card"
- sirf,audio-platform: phandle for the platform node
- sirf,audio-codec: phandle for the SiRF internal codec node

Optional properties:
- hp-pa-gpios: Need to be present if the board need control external
  headphone amplifier.
- spk-pa-gpios: Need to be present if the board need control external
  speaker amplifier.
- hp-switch-gpios: Need to be present if the board capable to detect jack
  insertion, removal.

Available audio endpoints for the audio-routing table:

Board connectors:
 * Headset Stereophone
 * Ext Spk
 * Line In
 * Mic

SiRF internal audio codec pins:
 * HPOUTL
 * HPOUTR
 * SPKOUT
 * Ext Mic
 * Mic Bias

Example:

sound {
		compatible = "sirf,sirf-audio-card";
		sirf,audio-codec = <&audiocodec>;
		sirf,audio-platform = <&audioport>;
		hp-pa-gpios = <&gpio 44 0>;
		spk-pa-gpios = <&gpio 46 0>;
		hp-switch-gpios = <&gpio 45 0>;
};