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1* Cirrus Logic CLPS711X Universal Asynchronous Receiver/Transmitter (UART)2 3Required properties:4- compatible: Should be "cirrus,ep7209-uart".5- reg: Address and length of the register set for the device.6- interrupts: Should contain UART TX and RX interrupt.7- clocks: Should contain UART core clock number.8- syscon: Phandle to SYSCON node, which contain UART control bits.9 10Optional properties:11- {rts,cts,dtr,dsr,rng,dcd}-gpios: specify a GPIO for RTS/CTS/DTR/DSR/RI/DCD12 line respectively.13 14Note: Each UART port should have an alias correctly numbered15in "aliases" node.16 17Example:18 aliases {19 serial0 = &uart1;20 };21 22 uart1: uart@80000480 {23 compatible = "cirrus,ep7312-uart","cirrus,ep7209-uart";24 reg = <0x80000480 0x80>;25 interrupts = <12 13>;26 clocks = <&clks 11>;27 syscon = <&syscon1>;28 cts-gpios = <&sysgpio 0 GPIO_ACTIVE_LOW>;29 dsr-gpios = <&sysgpio 1 GPIO_ACTIVE_LOW>;30 dcd-gpios = <&sysgpio 2 GPIO_ACTIVE_LOW>;31 };32