rt5651.txt 1.1 KB
Newer Older
B
Bard Liao 已提交
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
RT5651 audio CODEC

This device supports I2C only.

Required properties:

- compatible : "realtek,rt5651".

- reg : The I2C address of the device.

Optional properties:

- realtek,in2-differential
  Boolean. Indicate MIC2 input are differential, rather than single-ended.

- realtek,dmic-en
  Boolean. true if dmic is used.

19 20
- realtek,jack-detect-source
  u32. Valid values:
21 22 23
  1: Use JD1_1 pin for jack-detect
  2: Use JD1_2 pin for jack-detect
  3: Use JD2 pin for jack-detect
24 25 26 27 28 29 30 31 32 33 34 35

- realtek,over-current-threshold-microamp
  u32, micbias over-current detection threshold in µA, valid values are
  600, 1500 and 2000µA.

- realtek,over-current-scale-factor
  u32, micbias over-current detection scale-factor, valid values are:
  0: Scale current by 0.5
  1: Scale current by 0.75
  2: Scale current by 1.0
  3: Scale current by 1.5

B
Bard Liao 已提交
36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52
Pins on the device (for linking into audio routes) for RT5651:

  * DMIC L1
  * DMIC R1
  * IN1P
  * IN2P
  * IN2N
  * IN3P
  * HPOL
  * HPOR
  * LOUTL
  * LOUTR
  * PDML
  * PDMR

Example:

53
rt5651: codec@1a {
B
Bard Liao 已提交
54 55 56 57 58
	compatible = "realtek,rt5651";
	reg = <0x1a>;
	realtek,dmic-en = "true";
	realtek,in2-diff = "false";
};