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1* Atmel Universal Synchronous Asynchronous Receiver/Transmitter (USART)
2
3Required properties:
4- compatible: Should be "atmel,<chip>-usart"
5 The compatible <chip> indicated will be the first SoC to support an
6 additional mode or an USART new feature.
7- reg: Should contain registers location and length
8- interrupts: Should contain interrupt
9
10Optional properties:
11- atmel,use-dma-rx: use of PDC or DMA for receiving data
12- atmel,use-dma-tx: use of PDC or DMA for transmitting data
13
14<chip> compatible description:
15- at91rm9200: legacy USART support
16- at91sam9260: generic USART implementation for SAM9 SoCs
17
18Example:
19
20 usart0: serial@fff8c000 {
21 compatible = "atmel,at91sam9260-usart";
22 reg = <0xfff8c000 0x4000>;
23 interrupts = <7>;
24 atmel,use-dma-rx;
25 atmel,use-dma-tx;
26 };
27