1ETRAX FS UART 2 3Required properties: 4- compatible : "axis,etraxfs-uart" 5- reg: offset and length of the register set for the device. 6- interrupts: device interrupt 7 8Optional properties: 9- {dtr,dsr,rng,dcd}-gpios: specify a GPIO for DTR/DSR/RI/DCD 10 line respectively. 11 12Example: 13 14serial@b00260000 { 15 compatible = "axis,etraxfs-uart"; 16 reg = <0xb0026000 0x1000>; 17 interrupts = <68>; 18 status = "disabled"; 19 dtr-gpios = <&sysgpio 0 GPIO_ACTIVE_LOW>; 20 dsr-gpios = <&sysgpio 1 GPIO_ACTIVE_LOW>; 21 rng-gpios = <&sysgpio 2 GPIO_ACTIVE_LOW>; 22 dcd-gpios = <&sysgpio 3 GPIO_ACTIVE_LOW>; 23}; 24