1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * Copyright 2015-2016 Vladimir Zapolskiy <vz@mleia.com>
36 	return readl_relaxed(ic->base + reg);  in lpc32xx_ic_read()
42 	writel_relaxed(val, ic->base + reg);  in lpc32xx_ic_write()
48 	u32 val, mask = BIT(d->hwirq);  in lpc32xx_irq_mask()
57 	u32 val, mask = BIT(d->hwirq);  in lpc32xx_irq_unmask()
66 	u32 mask = BIT(d->hwirq);  in lpc32xx_irq_ack()
74 	u32 val, mask = BIT(d->hwirq);  in lpc32xx_irq_set_type()
75 	bool high, edge;  in lpc32xx_irq_set_type()  local
79 		edge = true;  in lpc32xx_irq_set_type()
80 		high = true;  in lpc32xx_irq_set_type()
83 		edge = true;  in lpc32xx_irq_set_type()
84 		high = false;  in lpc32xx_irq_set_type()
87 		edge = false;  in lpc32xx_irq_set_type()
88 		high = true;  in lpc32xx_irq_set_type()
91 		edge = false;  in lpc32xx_irq_set_type()
92 		high = false;  in lpc32xx_irq_set_type()
96 		return -EINVAL;  in lpc32xx_irq_set_type()
102 	if (high)  in lpc32xx_irq_set_type()
109 	if (edge) {  in lpc32xx_irq_set_type()
129 		handle_domain_irq(lpc32xx_mic_irqc->domain, irq, regs);  in lpc32xx_handle_irq()
144 		generic_handle_domain_irq(ic->domain, irq);  in lpc32xx_sic_handler()
153 	struct lpc32xx_irq_chip *ic = id->host_data;  in lpc32xx_irq_domain_map()
156 	irq_set_chip_and_handler(virq, &ic->chip, handle_level_irq);  in lpc32xx_irq_domain_map()
178 	bool is_mic = of_device_is_compatible(node, "nxp,lpc3220-mic");  in lpc32xx_of_ic_init()
184 		return -ENOMEM;  in lpc32xx_of_ic_init()
186 	irqc->base = of_iomap(node, 0);  in lpc32xx_of_ic_init()
187 	if (!irqc->base) {  in lpc32xx_of_ic_init()
190 		return -EINVAL;  in lpc32xx_of_ic_init()
193 	irqc->chip.irq_ack = lpc32xx_irq_ack;  in lpc32xx_of_ic_init()
194 	irqc->chip.irq_mask = lpc32xx_irq_mask;  in lpc32xx_of_ic_init()
195 	irqc->chip.irq_unmask = lpc32xx_irq_unmask;  in lpc32xx_of_ic_init()
196 	irqc->chip.irq_set_type = lpc32xx_irq_set_type;  in lpc32xx_of_ic_init()
198 		irqc->chip.name = kasprintf(GFP_KERNEL, "%08x.mic", addr);  in lpc32xx_of_ic_init()
200 		irqc->chip.name = kasprintf(GFP_KERNEL, "%08x.sic", addr);  in lpc32xx_of_ic_init()
202 	irqc->domain = irq_domain_add_linear(node, NR_LPC32XX_IC_IRQS,  in lpc32xx_of_ic_init()
204 	if (!irqc->domain) {  in lpc32xx_of_ic_init()
206 		iounmap(irqc->base);  in lpc32xx_of_ic_init()
207 		kfree(irqc->chip.name);  in lpc32xx_of_ic_init()
209 		return -ENODEV;  in lpc32xx_of_ic_init()
231 IRQCHIP_DECLARE(nxp_lpc32xx_mic, "nxp,lpc3220-mic", lpc32xx_of_ic_init);
232 IRQCHIP_DECLARE(nxp_lpc32xx_sic, "nxp,lpc3220-sic", lpc32xx_of_ic_init);