1 // SPDX-License-Identifier: GPL-2.0
3  * Driver for the Microchip LAN966x outbound interrupt controller
71 	struct lan966x_oic_chip_regs *chip_regs = gc->private;  in lan966x_oic_irq_startup()
77 	map = irq_reg_readl(gc, chip_regs->reg_off_map);  in lan966x_oic_irq_startup()
78 	map |= data->mask;  in lan966x_oic_irq_startup()
79 	irq_reg_writel(gc, map, chip_regs->reg_off_map);  in lan966x_oic_irq_startup()
83 	ct->chip.irq_ack(data);  in lan966x_oic_irq_startup()
84 	ct->chip.irq_unmask(data);  in lan966x_oic_irq_startup()
93 	struct lan966x_oic_chip_regs *chip_regs = gc->private;  in lan966x_oic_irq_shutdown()
96 	ct->chip.irq_mask(data);  in lan966x_oic_irq_shutdown()
101 	map = irq_reg_readl(gc, chip_regs->reg_off_map);  in lan966x_oic_irq_shutdown()
102 	map &= ~data->mask;  in lan966x_oic_irq_shutdown()
103 	irq_reg_writel(gc, map, chip_regs->reg_off_map);  in lan966x_oic_irq_shutdown()
112 		pr_err("lan966x oic doesn't support flow type %d\n", flow_type);  in lan966x_oic_irq_set_type()
113 		return -EINVAL;  in lan966x_oic_irq_set_type()
122 	struct lan966x_oic_chip_regs *chip_regs = gc->private;  in lan966x_oic_irq_handler_domain()
126 	ident = irq_reg_readl(gc, chip_regs->reg_off_ident);  in lan966x_oic_irq_handler_domain()
170 	struct lan966x_oic_data *lan966x_oic = gc->domain->host_data;  in lan966x_oic_chip_init()
173 	chip_regs = &lan966x_oic_chip_regs[gc->irq_base / 32];  in lan966x_oic_chip_init()
175 	gc->reg_base = lan966x_oic->regs;  in lan966x_oic_chip_init()
176 	gc->chip_types[0].regs.enable = chip_regs->reg_off_ena_set;  in lan966x_oic_chip_init()
177 	gc->chip_types[0].regs.disable = chip_regs->reg_off_ena_clr;  in lan966x_oic_chip_init()
178 	gc->chip_types[0].regs.ack = chip_regs->reg_off_sticky;  in lan966x_oic_chip_init()
179 	gc->chip_types[0].chip.irq_startup = lan966x_oic_irq_startup;  in lan966x_oic_chip_init()
180 	gc->chip_types[0].chip.irq_shutdown = lan966x_oic_irq_shutdown;  in lan966x_oic_chip_init()
181 	gc->chip_types[0].chip.irq_set_type = lan966x_oic_irq_set_type;  in lan966x_oic_chip_init()
182 	gc->chip_types[0].chip.irq_mask = irq_gc_mask_disable_reg;  in lan966x_oic_chip_init()
183 	gc->chip_types[0].chip.irq_unmask = irq_gc_unmask_enable_reg;  in lan966x_oic_chip_init()
184 	gc->chip_types[0].chip.irq_ack = irq_gc_ack_set_bit;  in lan966x_oic_chip_init()
185 	gc->private = chip_regs;  in lan966x_oic_chip_init()
188 	irq_reg_writel(gc, ~0U, chip_regs->reg_off_ena_clr);  in lan966x_oic_chip_init()
196 	irq_reg_writel(gc, ~0U, gc->chip_types[0].regs.disable);  in lan966x_oic_chip_exit()
197 	irq_reg_writel(gc, ~0U, gc->chip_types[0].regs.ack);  in lan966x_oic_chip_exit()
202 	struct lan966x_oic_data *lan966x_oic = d->host_data;  in lan966x_oic_domain_init()
204 	irq_set_chained_handler_and_data(lan966x_oic->irq, lan966x_oic_irq_handler, d);  in lan966x_oic_domain_init()
211 	struct lan966x_oic_data *lan966x_oic = d->host_data;  in lan966x_oic_domain_exit()
213 	irq_set_chained_handler_and_data(lan966x_oic->irq, NULL, NULL);  in lan966x_oic_domain_exit()
219 		.name		= "lan966x-oic",  in lan966x_oic_probe()
227 		.fwnode		= of_node_to_fwnode(pdev->dev.of_node),  in lan966x_oic_probe()
237 	struct device *dev = &pdev->dev;  in lan966x_oic_probe()
242 		return -ENOMEM;  in lan966x_oic_probe()
244 	lan966x_oic->regs = devm_platform_ioremap_resource(pdev, 0);  in lan966x_oic_probe()
245 	if (IS_ERR(lan966x_oic->regs))  in lan966x_oic_probe()
246 		return dev_err_probe(dev, PTR_ERR(lan966x_oic->regs),  in lan966x_oic_probe()
249 	lan966x_oic->irq = platform_get_irq(pdev, 0);  in lan966x_oic_probe()
250 	if (lan966x_oic->irq < 0)  in lan966x_oic_probe()
251 		return dev_err_probe(dev, lan966x_oic->irq, "failed to get the IRQ\n");  in lan966x_oic_probe()
262 	{ .compatible = "microchip,lan966x-oic" },
270 		.name = "lan966x-oic",
277 MODULE_DESCRIPTION("Microchip LAN966x OIC driver");