On 27/10/2022 03:47, chenweilong wrote: >> Convention for counting is to use decimal numbers. >> >>> + gpio-controller; >>> + #gpio-cells = <2>; >>> + interrupts = <0x0 33 0x4>; >> This looks like standard IRQ flags, so use respective defines. > > Sorry, I don't get this, you mean like this? : > > interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>; Yes. Best regards, Krzysztof