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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Aspeed AST2700 Interrupt Controller.
*
* Copyright (C) 2026 ASPEED Technology Inc.
*/
#ifndef DRIVERS_IRQCHIP_AST2700
#define DRIVERS_IRQCHIP_AST2700
#include <linux/device.h>
#include <linux/irqdomain.h>
#define AST2700_INTC_INVALID_ROUTE (~0U)
#define ASPEED_INTC_RANGES_BASE 0U
#define ASPEED_INTC_RANGES_COUNT 1U
struct aspeed_intc_interrupt_range {
u32 start;
u32 count;
struct irq_fwspec upstream;
struct irq_domain *domain;
};
struct aspeed_intc_interrupt_ranges {
struct aspeed_intc_interrupt_range *ranges;
unsigned int nranges;
};
struct aspeed_intc0 {
struct device *dev;
void __iomem *base;
raw_spinlock_t intc_lock;
struct irq_domain *local;
struct device_node *parent;
struct aspeed_intc_interrupt_ranges ranges;
};
int aspeed_intc_populate_ranges(struct device *dev,
struct aspeed_intc_interrupt_ranges *ranges);
int aspeed_intc0_resolve_route(const struct irq_domain *c0domain,
size_t nc1outs,
const u32 *c1outs,
size_t nc1ranges,
const struct aspeed_intc_interrupt_range *c1ranges,
struct aspeed_intc_interrupt_range *resolved);
#endif
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