ARM64: DTS: Add rk3399-firefly uart4 device, node as /dev/ttyS1
[firefly-linux-kernel-4.4.55.git] / Documentation / devicetree / bindings / rtc / atmel,at91rm9200-rtc.txt
1 Atmel AT91RM9200 Real Time Clock
2
3 Required properties:
4 - compatible: should be: "atmel,at91rm9200-rtc" or "atmel,at91sam9x5-rtc"
5 - reg: physical base address of the controller and length of memory mapped
6   region.
7 - interrupts: rtc alarm/event interrupt
8 - clocks: phandle to input clock.
9
10 Example:
11
12 rtc@fffffe00 {
13         compatible = "atmel,at91rm9200-rtc";
14         reg = <0xfffffe00 0x100>;
15         interrupts = <1 4 7>;
16         clocks = <&clk32k>;
17 };