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1* Silicon Labs FM Radio transmitter2 3The Silicon Labs Si4713 is an FM radio transmitter with receive power scan4supporting 76-108 MHz. It includes an RDS encoder and has both, a stereo-analog5and a digital interface, which supports I2S, left-justified and a custom6DSP-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 device11 12Optional Properties:13- interrupts-extended: Interrupt specifier for the chips interrupt14- reset-gpios: GPIO specifier for the chips reset line15- vdd-supply: phandle for Vdd regulator16- vio-supply: phandle for Vio regulator17 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