18c2ecf20Sopenharmony_ci* ARC700 incore Interrupt Controller 28c2ecf20Sopenharmony_ci 38c2ecf20Sopenharmony_ci The core interrupt controller provides 32 prioritised interrupts (2 levels) 48c2ecf20Sopenharmony_ci to ARC700 core. 58c2ecf20Sopenharmony_ci 68c2ecf20Sopenharmony_ciProperties: 78c2ecf20Sopenharmony_ci 88c2ecf20Sopenharmony_ci- compatible: "snps,arc700-intc" 98c2ecf20Sopenharmony_ci- interrupt-controller: This is an interrupt controller. 108c2ecf20Sopenharmony_ci- #interrupt-cells: Must be <1>. 118c2ecf20Sopenharmony_ci 128c2ecf20Sopenharmony_ci Single Cell "interrupts" property of a device specifies the IRQ number 138c2ecf20Sopenharmony_ci between 0 to 31 148c2ecf20Sopenharmony_ci 158c2ecf20Sopenharmony_ci intc accessed via the special ARC AUX register interface, hence "reg" property 168c2ecf20Sopenharmony_ci is not specified. 178c2ecf20Sopenharmony_ci 188c2ecf20Sopenharmony_ciExample: 198c2ecf20Sopenharmony_ci 208c2ecf20Sopenharmony_ci intc: interrupt-controller { 218c2ecf20Sopenharmony_ci compatible = "snps,arc700-intc"; 228c2ecf20Sopenharmony_ci interrupt-controller; 238c2ecf20Sopenharmony_ci #interrupt-cells = <1>; 248c2ecf20Sopenharmony_ci }; 25