162306a36Sopenharmony_ciCadence Real Time Clock 262306a36Sopenharmony_ci 362306a36Sopenharmony_ciThe Cadence RTC controller with date, time and alarm capabilities. 462306a36Sopenharmony_ciThe alarm may wake the system from low-power state. 562306a36Sopenharmony_ci 662306a36Sopenharmony_ciRequired properties: 762306a36Sopenharmony_ci- compatible: Should be "cdns,rtc-r109v3" 862306a36Sopenharmony_ci- reg: Specifies base physical address and size of the register area. 962306a36Sopenharmony_ci- interrupts: A single interrupt specifier. 1062306a36Sopenharmony_ci- clocks: Must contain two entries: 1162306a36Sopenharmony_ci - pclk: APB registers clock 1262306a36Sopenharmony_ci - ref_clk: reference 1Hz or 100Hz clock, depending on IP configuration 1362306a36Sopenharmony_ci See ../clocks/clock-bindings.txt for details. 1462306a36Sopenharmony_ci 1562306a36Sopenharmony_ciExample: 1662306a36Sopenharmony_ci rtc0: rtc@fd080000 { 1762306a36Sopenharmony_ci compatible = "cdns,rtc-r109v3"; 1862306a36Sopenharmony_ci reg = <0xfd080000 0x1000>; 1962306a36Sopenharmony_ci 2062306a36Sopenharmony_ci clock-names = "pclk", "ref_clk"; 2162306a36Sopenharmony_ci clocks = <&sysclock>, <&refclock>; 2262306a36Sopenharmony_ci 2362306a36Sopenharmony_ci interrupt-parent = <&gic>; 2462306a36Sopenharmony_ci interrupts = <0 6 IRQ_TYPE_LEVEL_HIGH>; 2562306a36Sopenharmony_ci }; 26