162306a36Sopenharmony_ciSpreadtrum SC27xx Real Time Clock 262306a36Sopenharmony_ci 362306a36Sopenharmony_ciRequired properties: 462306a36Sopenharmony_ci- compatible: should be "sprd,sc2731-rtc". 562306a36Sopenharmony_ci- reg: address offset of rtc register. 662306a36Sopenharmony_ci- interrupts: rtc alarm interrupt. 762306a36Sopenharmony_ci 862306a36Sopenharmony_ciExample: 962306a36Sopenharmony_ci 1062306a36Sopenharmony_ci sc2731_pmic: pmic@0 { 1162306a36Sopenharmony_ci compatible = "sprd,sc2731"; 1262306a36Sopenharmony_ci reg = <0>; 1362306a36Sopenharmony_ci spi-max-frequency = <26000000>; 1462306a36Sopenharmony_ci interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>; 1562306a36Sopenharmony_ci interrupt-controller; 1662306a36Sopenharmony_ci #interrupt-cells = <2>; 1762306a36Sopenharmony_ci #address-cells = <1>; 1862306a36Sopenharmony_ci #size-cells = <0>; 1962306a36Sopenharmony_ci 2062306a36Sopenharmony_ci rtc@280 { 2162306a36Sopenharmony_ci compatible = "sprd,sc2731-rtc"; 2262306a36Sopenharmony_ci reg = <0x280>; 2362306a36Sopenharmony_ci interrupt-parent = <&sc2731_pmic>; 2462306a36Sopenharmony_ci interrupts = <2 IRQ_TYPE_LEVEL_HIGH>; 2562306a36Sopenharmony_ci }; 2662306a36Sopenharmony_ci }; 27