18c2ecf20Sopenharmony_ciTI DAC7311 device tree bindings 28c2ecf20Sopenharmony_ci 38c2ecf20Sopenharmony_ciRequired properties: 48c2ecf20Sopenharmony_ci- compatible: must be set to: 58c2ecf20Sopenharmony_ci * "ti,dac7311" 68c2ecf20Sopenharmony_ci * "ti,dac6311" 78c2ecf20Sopenharmony_ci * "ti,dac5311" 88c2ecf20Sopenharmony_ci- reg: spi chip select number for the device 98c2ecf20Sopenharmony_ci- vref-supply: The regulator supply for ADC reference voltage 108c2ecf20Sopenharmony_ci 118c2ecf20Sopenharmony_ciOptional properties: 128c2ecf20Sopenharmony_ci- spi-max-frequency: Max SPI frequency to use 138c2ecf20Sopenharmony_ci 148c2ecf20Sopenharmony_ciExample: 158c2ecf20Sopenharmony_ci 168c2ecf20Sopenharmony_ci spi_master { 178c2ecf20Sopenharmony_ci dac@0 { 188c2ecf20Sopenharmony_ci compatible = "ti,dac7311"; 198c2ecf20Sopenharmony_ci reg = <0>; /* CS0 */ 208c2ecf20Sopenharmony_ci spi-max-frequency = <1000000>; 218c2ecf20Sopenharmony_ci vref-supply = <&vdd_supply>; 228c2ecf20Sopenharmony_ci }; 238c2ecf20Sopenharmony_ci }; 24