162306a36Sopenharmony_ci* ASPEED AST2400 and AST2500 coprocessor interrupt controller 262306a36Sopenharmony_ci 362306a36Sopenharmony_ciThis file describes the bindings for the interrupt controller present 462306a36Sopenharmony_ciin the AST2400 and AST2500 BMC SoCs which provides interrupt to the 562306a36Sopenharmony_ciColdFire coprocessor. 662306a36Sopenharmony_ci 762306a36Sopenharmony_ciIt is not a normal interrupt controller and it would be rather 862306a36Sopenharmony_ciinconvenient to create an interrupt tree for it as it somewhat shares 962306a36Sopenharmony_cisome of the same sources as the main ARM interrupt controller but with 1062306a36Sopenharmony_cidifferent numbers. 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ciThe AST2500 supports a SW generated interrupt 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_ciRequired properties: 1562306a36Sopenharmony_ci- reg: address and length of the register for the device. 1662306a36Sopenharmony_ci- compatible: "aspeed,cvic" and one of: 1762306a36Sopenharmony_ci "aspeed,ast2400-cvic" 1862306a36Sopenharmony_ci or 1962306a36Sopenharmony_ci "aspeed,ast2500-cvic" 2062306a36Sopenharmony_ci 2162306a36Sopenharmony_ci- valid-sources: One cell, bitmap of supported sources for the implementation 2262306a36Sopenharmony_ci 2362306a36Sopenharmony_ciOptional properties; 2462306a36Sopenharmony_ci- copro-sw-interrupts: List of interrupt numbers that can be used as 2562306a36Sopenharmony_ci SW interrupts from the ARM to the coprocessor. 2662306a36Sopenharmony_ci (AST2500 only) 2762306a36Sopenharmony_ci 2862306a36Sopenharmony_ciExample: 2962306a36Sopenharmony_ci 3062306a36Sopenharmony_ci cvic: copro-interrupt-controller@1e6c2000 { 3162306a36Sopenharmony_ci compatible = "aspeed,ast2500-cvic"; 3262306a36Sopenharmony_ci valid-sources = <0xffffffff>; 3362306a36Sopenharmony_ci copro-sw-interrupts = <1>; 3462306a36Sopenharmony_ci reg = <0x1e6c2000 0x80>; 3562306a36Sopenharmony_ci }; 36