rtc-m41t80.txt (849B)
1ST M41T80 family of RTC and compatible 2 3Required properties: 4- compatible: should be one of: 5 "st,m41t62", 6 "st,m41t65", 7 "st,m41t80", 8 "st,m41t81", 9 "st,m41t81s", 10 "st,m41t82", 11 "st,m41t83", 12 "st,m41t84", 13 "st,m41t85", 14 "st,m41t87", 15 "microcrystal,rv4162", 16- reg: I2C bus address of the device 17 18Optional properties: 19- interrupts: rtc alarm interrupt. 20- clock-output-names: From common clock binding to override the default output 21 clock name 22- wakeup-source: Enables wake up of host system on alarm 23 24Optional child node: 25- clock: Provide this if the square wave pin is used as boot-enabled fixed clock. 26 27Example: 28 rtc@68 { 29 compatible = "st,m41t80"; 30 reg = <0x68>; 31 interrupt-parent = <&UIC0>; 32 interrupts = <0x9 0x8>; 33 34 clock { 35 compatible = "fixed-clock"; 36 #clock-cells = <0>; 37 clock-frequency = <32768>; 38 }; 39 };