* Rockchip rk817 codec
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Required properties:
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- compatible: "rockchip,rk817-codec"
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- clocks: a list of phandle + clock-specifer pairs, one for each entry in clock-names.
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- clock-names: should be "mclk".
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- spk-ctl-gpios: spk mute enable/disable
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- hp-ctl-gpios: hp mute enable/disable
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- spk-mute-delay-ms: spk mute delay time
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- hp-mute-delay-ms: hp mute delay time
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- spk-volume: DAC L/R volume digital setting for Speaker
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- hp-volume: DAC L/R volume digital setting for Headphone
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*
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* DDAC L/R volume setting
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* 0db~-95db,0.375db/step,for example:
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* 0: 0dB
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* 10: -3.75dB
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* 125: -46dB
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* 255: -95dB
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*
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- capture-volume: ADC L/R volume digital setting for Microphone
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*
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* DADC L/R volume setting
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* 0db~-95db,0.375db/step,for example:
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* 0: 0dB
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* 10: -3.75dB
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* 125: -46dB
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* 255: -95dB
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*
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- mic-in-differential:
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Boolean. Indicate MIC input are differential, rather than single-ended.
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- pdmdata-out-enable:
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Boolean. Indicate pdmdata output is enable or disable.
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- use-ext-amplifier:
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Boolean. Indicate use external amplifier or not.
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- adc-for-loopback:
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Boolean. Indicate adc use for loopback or not.
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- out-l2spk-r2hp:
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Boolean. Use route config for L to ClassD speaker out and R to HPR out
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Example for rk817 codec:
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rk817: pmic@20 {
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compatible = "rockchip,rk817";
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reg = <0x20>;
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interrupt-parent = <&gpio0>;
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interrupts = <7 IRQ_TYPE_LEVEL_LOW>;
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pinctrl-names = "default";
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pinctrl-0 = <&pmic_int>;
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........
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rk817_codec: codec {
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#sound-dai-cells = <0>;
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compatible = "rockchip,rk817-codec";
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clocks = <&cru SCLK_I2S_8CH_OUT>;
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clock-names = "mclk";
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pinctrl-names = "default";
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pinctrl-0 = <&i2s_8ch_mclk>;
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hp-volume = <3>;
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spk-volume = <3>;
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capture-volume = <0>;
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mic-in-differential;
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status = "okay";
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};
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........
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};
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