1 * Synopsys ARC UART : Non standard UART used i 1 * Synopsys ARC UART : Non standard UART used in some of the ARC FPGA boards
2 2
3 Required properties: 3 Required properties:
4 - compatible : "snps,arc-uart" 4 - compatible : "snps,arc-uart"
5 - reg : offset and length of 5 - reg : offset and length of the register set for the device.
6 - interrupts : device interrupt 6 - interrupts : device interrupt
7 - clock-frequency : the input clock freq 7 - clock-frequency : the input clock frequency for the UART
8 - current-speed : baud rate for UART 8 - current-speed : baud rate for UART
9 9
10 e.g. 10 e.g.
11 11
12 arcuart0: serial@c0fc1000 { 12 arcuart0: serial@c0fc1000 {
13 compatible = "snps,arc-uart"; 13 compatible = "snps,arc-uart";
14 reg = <0xc0fc1000 0x100>; 14 reg = <0xc0fc1000 0x100>;
15 interrupts = <5>; 15 interrupts = <5>;
16 clock-frequency = <80000000>; 16 clock-frequency = <80000000>;
17 current-speed = <115200>; 17 current-speed = <115200>;
18 }; 18 };
19 19
20 Note: Each port should have an alias correctly 20 Note: Each port should have an alias correctly numbered in "aliases" node.
21 21
22 e.g. 22 e.g.
23 aliases { 23 aliases {
24 serial0 = &arcuart0; 24 serial0 = &arcuart0;
25 }; 25 };
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