1STM32 External Interrupt Controller 2 3Required properties: 4 5- compatible: Should be: 6 "st,stm32-exti" 7 "st,stm32h7-exti" 8 "st,stm32mp1-exti" 9- reg: Specifies base physical address and size of the registers 10- interrupt-controller: Indentifies the node as an interrupt controller 11- #interrupt-cells: Specifies the number of cells to encode an interrupt 12 specifier, shall be 2 13- interrupts: interrupts references to primary interrupt controller 14 (only needed for exti controller with multiple exti under 15 same parent interrupt: st,stm32-exti and st,stm32h7-exti) 16 17Example: 18 19exti: interrupt-controller@40013c00 { 20 compatible = "st,stm32-exti"; 21 interrupt-controller; 22 #interrupt-cells = <2>; 23 reg = <0x40013C00 0x400>; 24 interrupts = <1>, <2>, <3>, <6>, <7>, <8>, <9>, <10>, <23>, <40>, <41>, <42>, <62>, <76>; 25}; 26