18c2ecf20Sopenharmony_ciAK4104 S/PDIF transmitter 28c2ecf20Sopenharmony_ci 38c2ecf20Sopenharmony_ciThis device supports SPI mode only. 48c2ecf20Sopenharmony_ci 58c2ecf20Sopenharmony_ciRequired properties: 68c2ecf20Sopenharmony_ci 78c2ecf20Sopenharmony_ci - compatible : "asahi-kasei,ak4104" 88c2ecf20Sopenharmony_ci 98c2ecf20Sopenharmony_ci - reg : The chip select number on the SPI bus 108c2ecf20Sopenharmony_ci 118c2ecf20Sopenharmony_ci - vdd-supply : A regulator node, providing 2.7V - 3.6V 128c2ecf20Sopenharmony_ci 138c2ecf20Sopenharmony_ciOptional properties: 148c2ecf20Sopenharmony_ci 158c2ecf20Sopenharmony_ci - reset-gpios : a GPIO spec for the reset pin. If specified, it will be 168c2ecf20Sopenharmony_ci deasserted before communication to the device starts. 178c2ecf20Sopenharmony_ci 188c2ecf20Sopenharmony_ciExample: 198c2ecf20Sopenharmony_ci 208c2ecf20Sopenharmony_cispdif: ak4104@0 { 218c2ecf20Sopenharmony_ci compatible = "asahi-kasei,ak4104"; 228c2ecf20Sopenharmony_ci reg = <0>; 238c2ecf20Sopenharmony_ci spi-max-frequency = <5000000>; 248c2ecf20Sopenharmony_ci vdd-supply = <&vdd_3v3_reg>; 258c2ecf20Sopenharmony_ci}; 26