1*4882a593Smuzhiyun* Silicon Labs FM Radio transmitter 2*4882a593Smuzhiyun 3*4882a593SmuzhiyunThe Silicon Labs Si4713 is an FM radio transmitter with receive power scan 4*4882a593Smuzhiyunsupporting 76-108 MHz. It includes an RDS encoder and has both, a stereo-analog 5*4882a593Smuzhiyunand a digital interface, which supports I2S, left-justified and a custom 6*4882a593SmuzhiyunDSP-mode format. It is programmable through an I2C interface. 7*4882a593Smuzhiyun 8*4882a593SmuzhiyunRequired Properties: 9*4882a593Smuzhiyun- compatible: Should contain "silabs,si4713" 10*4882a593Smuzhiyun- reg: the I2C address of the device 11*4882a593Smuzhiyun 12*4882a593SmuzhiyunOptional Properties: 13*4882a593Smuzhiyun- interrupts-extended: Interrupt specifier for the chips interrupt 14*4882a593Smuzhiyun- reset-gpios: GPIO specifier for the chips reset line 15*4882a593Smuzhiyun- vdd-supply: phandle for Vdd regulator 16*4882a593Smuzhiyun- vio-supply: phandle for Vio regulator 17*4882a593Smuzhiyun 18*4882a593SmuzhiyunExample: 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun&i2c2 { 21*4882a593Smuzhiyun fmtx: si4713@63 { 22*4882a593Smuzhiyun compatible = "silabs,si4713"; 23*4882a593Smuzhiyun reg = <0x63>; 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun interrupts-extended = <&gpio2 21 IRQ_TYPE_EDGE_FALLING>; /* 53 */ 26*4882a593Smuzhiyun reset-gpios = <&gpio6 3 GPIO_ACTIVE_HIGH>; /* 163 */ 27*4882a593Smuzhiyun vio-supply = <&vio>; 28*4882a593Smuzhiyun vdd-supply = <&vaux1>; 29*4882a593Smuzhiyun }; 30*4882a593Smuzhiyun}; 31