nokia,rx51.txt

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    1 * Nokia N900 audio setup
    2 
    3 Required properties:
    4 - compatible: Should contain "nokia,n900-audio"
    5 - nokia,cpu-dai: phandle for the McBSP node
    6 - nokia,audio-codec: phandles for the main TLV320AIC3X node and the
    7                      auxiliary TLV320AIC3X node (in this order)
    8 - nokia,headphone-amplifier: phandle for the TPA6130A2 node
    9 - tvout-selection-gpios: GPIO for tvout selection
   10 - jack-detection-gpios: GPIO for jack detection
   11 - eci-switch-gpios: GPIO for ECI (Enhancement Control Interface) switch
   12 - speaker-amplifier-gpios: GPIO for speaker amplifier
   13 
   14 Example:
   15 
   16 sound {
   17         compatible = "nokia,n900-audio";
   18 
   19         nokia,cpu-dai = <&mcbsp2>;
   20         nokia,audio-codec = <&tlv320aic3x>, <&tlv320aic3x_aux>;
   21         nokia,headphone-amplifier = <&tpa6130a2>;
   22 
   23         tvout-selection-gpios = <&gpio2 8 GPIO_ACTIVE_HIGH>; /* 40 */
   24         jack-detection-gpios = <&gpio6 17 GPIO_ACTIVE_HIGH>; /* 177 */
   25         eci-switch-gpios = <&gpio6 22 GPIO_ACTIVE_HIGH>; /* 182 */
   26         speaker-amplifier-gpios = <&twl_gpio 7 GPIO_ACTIVE_HIGH>;
   27 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/sound/nokia,rx51.txt

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/sound/nokia,rx51.txt