Kernel-4.18.0-80.el8_nokia,rx51

  • Nokia N900 audio setup

Required properties:

  • compatible: Should contain “nokia,n900-audio”
  • nokia,cpu-dai: phandle for the McBSP node
  • nokia,audio-codec: phandles for the main TLV320AIC3X node and the
                   auxiliary TLV320AIC3X node (in this order)
    
  • nokia,headphone-amplifier: phandle for the TPA6130A2 node
  • tvout-selection-gpios: GPIO for tvout selection
  • jack-detection-gpios: GPIO for jack detection
  • eci-switch-gpios: GPIO for ECI (Enhancement Control Interface) switch
  • speaker-amplifier-gpios: GPIO for speaker amplifier

Example:

sound {
compatible = “nokia,n900-audio”;

nokia,cpu-dai = <&mcbsp2>;
nokia,audio-codec = <&tlv320aic3x>, <&tlv320aic3x_aux>;
nokia,headphone-amplifier = <&tpa6130a2>;

tvout-selection-gpios = <&gpio2 8 GPIO_ACTIVE_HIGH>; /* 40 */
jack-detection-gpios = <&gpio6 17 GPIO_ACTIVE_HIGH>; /* 177 */
eci-switch-gpios = <&gpio6 22 GPIO_ACTIVE_HIGH>; /* 182 */
speaker-amplifier-gpios = <&twl_gpio 7 GPIO_ACTIVE_HIGH>;

};