1* Nokia N900 audio setup
2
3Required 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
14Example:
15
16sound {
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};
28