1 Cadence Real Time Clock
2
3 The Cadence RTC controller with date, time and alarm capabilities.
4 The alarm may wake the system from low-power state.
5
6 Required properties:
7 - compatible: Should be "cdns,rtc-r109v3"
8 - reg: Specifies base physical address and size of the register area.
9 - interrupts: A single interrupt specifier.
10 - clocks: Must contain two entries:
11 - pclk: APB registers clock
12 - ref_clk: reference 1Hz or 100Hz clock, depending on IP configuration
13 See ../clocks/clock-bindings.txt for details.
14
15 Example:
16 rtc0: rtc@fd080000 {
17 compatible = "cdns,rtc-r109v3";
18 reg = <0xfd080000 0x1000>;
19
20 clock-names = "pclk", "ref_clk";
21 clocks = <&sysclock>, <&refclock>;
22
23 interrupt-parent = <&gic>;
24 interrupts = <0 6 IRQ_TYPE_LEVEL_HIGH>;
25 };
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