18c2ecf20Sopenharmony_ci* Nokia N900 audio setup 28c2ecf20Sopenharmony_ci 38c2ecf20Sopenharmony_ciRequired properties: 48c2ecf20Sopenharmony_ci- compatible: Should contain "nokia,n900-audio" 58c2ecf20Sopenharmony_ci- nokia,cpu-dai: phandle for the McBSP node 68c2ecf20Sopenharmony_ci- nokia,audio-codec: phandles for the main TLV320AIC3X node and the 78c2ecf20Sopenharmony_ci auxiliary TLV320AIC3X node (in this order) 88c2ecf20Sopenharmony_ci- nokia,headphone-amplifier: phandle for the TPA6130A2 node 98c2ecf20Sopenharmony_ci- tvout-selection-gpios: GPIO for tvout selection 108c2ecf20Sopenharmony_ci- jack-detection-gpios: GPIO for jack detection 118c2ecf20Sopenharmony_ci- eci-switch-gpios: GPIO for ECI (Enhancement Control Interface) switch 128c2ecf20Sopenharmony_ci- speaker-amplifier-gpios: GPIO for speaker amplifier 138c2ecf20Sopenharmony_ci 148c2ecf20Sopenharmony_ciExample: 158c2ecf20Sopenharmony_ci 168c2ecf20Sopenharmony_cisound { 178c2ecf20Sopenharmony_ci compatible = "nokia,n900-audio"; 188c2ecf20Sopenharmony_ci 198c2ecf20Sopenharmony_ci nokia,cpu-dai = <&mcbsp2>; 208c2ecf20Sopenharmony_ci nokia,audio-codec = <&tlv320aic3x>, <&tlv320aic3x_aux>; 218c2ecf20Sopenharmony_ci nokia,headphone-amplifier = <&tpa6130a2>; 228c2ecf20Sopenharmony_ci 238c2ecf20Sopenharmony_ci tvout-selection-gpios = <&gpio2 8 GPIO_ACTIVE_HIGH>; /* 40 */ 248c2ecf20Sopenharmony_ci jack-detection-gpios = <&gpio6 17 GPIO_ACTIVE_HIGH>; /* 177 */ 258c2ecf20Sopenharmony_ci eci-switch-gpios = <&gpio6 22 GPIO_ACTIVE_HIGH>; /* 182 */ 268c2ecf20Sopenharmony_ci speaker-amplifier-gpios = <&twl_gpio 7 GPIO_ACTIVE_HIGH>; 278c2ecf20Sopenharmony_ci}; 28