linux/Documentation/devicetree/bindings/serio/snps-arc_ps2.txt
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   1* ARC PS/2 driver: PS/2 block used in some ARC FPGA's & nSIM OSCI model
   2
   3Required properties:
   4- compatible            : "snps,arc_ps2"
   5- reg                   : offset and length (always 0x14) of registers
   6- interrupts            : interrupt
   7- interrupt-names       : name of interrupt, must be "arc_ps2_irq"
   8
   9Example:
  10
  11serio@c9000400 {
  12        compatible = "snps,arc_ps2";
  13        reg = <0xc9000400 0x14>;
  14        interrupts = <13>;
  15        interrupt-names = "arc_ps2_irq";
  16}
  17