RT5651 audio CODEC
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This device supports I2C only.
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Required properties:
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- compatible : "realtek,rt5651".
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- reg : The I2C address of the device.
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Optional properties:
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- realtek,in2-differential
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Boolean. Indicate MIC2 input are differential, rather than single-ended.
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- realtek,dmic-en
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Boolean. true if dmic is used.
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- realtek,jack-detect-source
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u32. Valid values:
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1: Use JD1_1 pin for jack-detect
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2: Use JD1_2 pin for jack-detect
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3: Use JD2 pin for jack-detect
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- realtek,over-current-threshold-microamp
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u32, micbias over-current detection threshold in µA, valid values are
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600, 1500 and 2000µA.
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- realtek,over-current-scale-factor
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u32, micbias over-current detection scale-factor, valid values are:
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0: Scale current by 0.5
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1: Scale current by 0.75
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2: Scale current by 1.0
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3: Scale current by 1.5
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- spk-con-gpio: speaker amplifier enable/disable control
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Pins on the device (for linking into audio routes) for RT5651:
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* DMIC L1
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* DMIC R1
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* IN1P
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* IN2P
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* IN2N
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* IN3P
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* HPOL
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* HPOR
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* LOUTL
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* LOUTR
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* PDML
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* PDMR
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Example:
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rt5651: codec@1a {
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compatible = "realtek,rt5651";
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reg = <0x1a>;
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realtek,dmic-en = "true";
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realtek,in2-diff = "false";
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};
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