1 /* 2 * Copyright (c) 2021-2025, Arm Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: MIT 5 * 6 * This header provides constants for most IRQ bindings. 7 * 8 * Most IRQ bindings include a flags cell as part of the IRQ specifier. 9 * In most cases, the format of the flags cell uses the standard values 10 * defined in this header. 11 */ 12 13 #ifndef _DT_BINDINGS_INTERRUPT_CONTROLLER_IRQ_H 14 #define _DT_BINDINGS_INTERRUPT_CONTROLLER_IRQ_H 15 16 #define LEVEL 0 17 #define EDGE 2 18 19 #define IRQ_TYPE_NONE 0 20 #define IRQ_TYPE_EDGE_RISING 1 21 #define IRQ_TYPE_EDGE_FALLING 2 22 #define IRQ_TYPE_EDGE_BOTH (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING) 23 #define IRQ_TYPE_LEVEL_HIGH 4 24 #define IRQ_TYPE_LEVEL_LOW 8 25 26 #endif 27