1* Silicon Labs FM Radio transmitter 2 3The Silicon Labs Si4713 is an FM radio transmitter with receive power scan 4supporting 76-108 MHz. It includes an RDS encoder and has both, a stereo-analog 5and a digital interface, which supports I2S, left-justified and a custom 6DSP-mode format. It is programmable through an I2C interface. 7 8Required Properties: 9- compatible: Should contain "silabs,si4713" 10- reg: the I2C address of the device 11 12Optional Properties: 13- interrupts-extended: Interrupt specifier for the chips interrupt 14- reset-gpios: GPIO specifier for the chips reset line 15- vdd-supply: phandle for Vdd regulator 16- vio-supply: phandle for Vio regulator 17 18Example: 19 20&i2c2 { 21 fmtx: si4713@63 { 22 compatible = "silabs,si4713"; 23 reg = <0x63>; 24 25 interrupts-extended = <&gpio2 21 IRQ_TYPE_EDGE_FALLING>; /* 53 */ 26 reset-gpios = <&gpio6 3 GPIO_ACTIVE_HIGH>; /* 163 */ 27 vio-supply = <&vio>; 28 vdd-supply = <&vaux1>; 29 }; 30}; 31