spi@3,60 { compatible = "abb,socrates-spi"; reg = <3 0x60 0x10>; interrupts = <8 4 0>; // number, type, routing interrupt-parent = <&fpga_pic>; };なんて記述を見つけた。この時の #interrupt-cells は fpga_pic: fpga-pic@3,10 { compatible = "ab…