162306a36Sopenharmony_ci* Cirrus Logic CLPS711X Universal Asynchronous Receiver/Transmitter (UART)
262306a36Sopenharmony_ci
362306a36Sopenharmony_ciRequired properties:
462306a36Sopenharmony_ci- compatible: Should be "cirrus,ep7209-uart".
562306a36Sopenharmony_ci- reg: Address and length of the register set for the device.
662306a36Sopenharmony_ci- interrupts: Should contain UART TX and RX interrupt.
762306a36Sopenharmony_ci- clocks: Should contain UART core clock number.
862306a36Sopenharmony_ci- syscon: Phandle to SYSCON node, which contain UART control bits.
962306a36Sopenharmony_ci
1062306a36Sopenharmony_ciOptional properties:
1162306a36Sopenharmony_ci- {rts,cts,dtr,dsr,rng,dcd}-gpios: specify a GPIO for RTS/CTS/DTR/DSR/RI/DCD
1262306a36Sopenharmony_ci  line respectively.
1362306a36Sopenharmony_ci
1462306a36Sopenharmony_ciNote: Each UART port should have an alias correctly numbered
1562306a36Sopenharmony_ciin "aliases" node.
1662306a36Sopenharmony_ci
1762306a36Sopenharmony_ciExample:
1862306a36Sopenharmony_ci	aliases {
1962306a36Sopenharmony_ci		serial0 = &uart1;
2062306a36Sopenharmony_ci	};
2162306a36Sopenharmony_ci
2262306a36Sopenharmony_ci	uart1: uart@80000480 {
2362306a36Sopenharmony_ci		compatible = "cirrus,ep7312-uart","cirrus,ep7209-uart";
2462306a36Sopenharmony_ci		reg = <0x80000480 0x80>;
2562306a36Sopenharmony_ci		interrupts = <12 13>;
2662306a36Sopenharmony_ci		clocks = <&clks 11>;
2762306a36Sopenharmony_ci		syscon = <&syscon1>;
2862306a36Sopenharmony_ci		cts-gpios = <&sysgpio 0 GPIO_ACTIVE_LOW>;
2962306a36Sopenharmony_ci		dsr-gpios = <&sysgpio 1 GPIO_ACTIVE_LOW>;
3062306a36Sopenharmony_ci		dcd-gpios = <&sysgpio 2 GPIO_ACTIVE_LOW>;
3162306a36Sopenharmony_ci	};
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