xref: /freebsd/sys/contrib/device-tree/Bindings/rtc/sprd,sc27xx-rtc.txt (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)
1*c66ec88fSEmmanuel VadotSpreadtrum SC27xx Real Time Clock
2*c66ec88fSEmmanuel Vadot
3*c66ec88fSEmmanuel VadotRequired properties:
4*c66ec88fSEmmanuel Vadot- compatible: should be "sprd,sc2731-rtc".
5*c66ec88fSEmmanuel Vadot- reg: address offset of rtc register.
6*c66ec88fSEmmanuel Vadot- interrupts: rtc alarm interrupt.
7*c66ec88fSEmmanuel Vadot
8*c66ec88fSEmmanuel VadotExample:
9*c66ec88fSEmmanuel Vadot
10*c66ec88fSEmmanuel Vadot	sc2731_pmic: pmic@0 {
11*c66ec88fSEmmanuel Vadot		compatible = "sprd,sc2731";
12*c66ec88fSEmmanuel Vadot		reg = <0>;
13*c66ec88fSEmmanuel Vadot		spi-max-frequency = <26000000>;
14*c66ec88fSEmmanuel Vadot		interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
15*c66ec88fSEmmanuel Vadot		interrupt-controller;
16*c66ec88fSEmmanuel Vadot		#interrupt-cells = <2>;
17*c66ec88fSEmmanuel Vadot		#address-cells = <1>;
18*c66ec88fSEmmanuel Vadot		#size-cells = <0>;
19*c66ec88fSEmmanuel Vadot
20*c66ec88fSEmmanuel Vadot		rtc@280 {
21*c66ec88fSEmmanuel Vadot			compatible = "sprd,sc2731-rtc";
22*c66ec88fSEmmanuel Vadot			reg = <0x280>;
23*c66ec88fSEmmanuel Vadot			interrupt-parent = <&sc2731_pmic>;
24*c66ec88fSEmmanuel Vadot			interrupts = <2 IRQ_TYPE_LEVEL_HIGH>;
25*c66ec88fSEmmanuel Vadot		};
26*c66ec88fSEmmanuel Vadot	};
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