1 // SPDX-License-Identifier: GPL-2.0
7  * Copyright (c) 2020-2021 Huawei Technologies Co., Ltd.
62  * See drivers/irq/hi6421-irq.c.
95 #define HISI_IRQ_MASK_BIT(irq_data)	BIT(irqd_to_hwirq(irq_data) & (BITS_PER_BYTE - 1))
106 		regmap_read(priv->regmap, SOC_PMIC_IRQ0_ADDR + i, &in);  in hi6421v600_irq_handler()
109 		regmap_write(priv->regmap, SOC_PMIC_IRQ0_ADDR + i, in);  in hi6421v600_irq_handler()
119 			generic_handle_irq_safe(priv->irqs[POWERKEY_DOWN]);  in hi6421v600_irq_handler()
120 			generic_handle_irq_safe(priv->irqs[POWERKEY_UP]);  in hi6421v600_irq_handler()
128 			generic_handle_irq_safe(priv->irqs[offset + i * BITS_PER_BYTE]);  in hi6421v600_irq_handler()
144 	spin_lock_irqsave(&priv->lock, flags);  in hi6421v600_irq_mask()
146 	regmap_read(priv->regmap, offset, &data);  in hi6421v600_irq_mask()
148 	regmap_write(priv->regmap, offset, data);  in hi6421v600_irq_mask()
150 	spin_unlock_irqrestore(&priv->lock, flags);  in hi6421v600_irq_mask()
161 	spin_lock_irqsave(&priv->lock, flags);  in hi6421v600_irq_unmask()
163 	regmap_read(priv->regmap, offset, &data);  in hi6421v600_irq_unmask()
165 	regmap_write(priv->regmap, offset, data);  in hi6421v600_irq_unmask()
167 	spin_unlock_irqrestore(&priv->lock, flags);  in hi6421v600_irq_unmask()
171 	.name		= "hi6421v600-irq",
181 	struct hi6421v600_irq *priv = d->host_data;  in hi6421v600_irq_map()
184 				      handle_simple_irq, "hi6421v600");  in hi6421v600_irq_map()
203 		regmap_write(priv->regmap, SOC_PMIC_IRQ_MASK_0_ADDR + i,  in hi6421v600_irq_init()
208 		regmap_read(priv->regmap, SOC_PMIC_IRQ0_ADDR + i, &pending);  in hi6421v600_irq_init()
209 		regmap_write(priv->regmap, SOC_PMIC_IRQ0_ADDR + i,  in hi6421v600_irq_init()
216 	struct device *pmic_dev = pdev->dev.parent;  in hi6421v600_irq_probe()
217 	struct device_node *np = pmic_dev->of_node;  in hi6421v600_irq_probe()
219 	struct device *dev = &pdev->dev;  in hi6421v600_irq_probe()
226 	 * This driver is meant to be called by hi6421-spmi-core,  in hi6421v600_irq_probe()
232 		return -ENODEV;  in hi6421v600_irq_probe()
236 		return -ENOMEM;  in hi6421v600_irq_probe()
238 	priv->dev = dev;  in hi6421v600_irq_probe()
239 	priv->regmap = regmap;  in hi6421v600_irq_probe()
241 	spin_lock_init(&priv->lock);  in hi6421v600_irq_probe()
245 	priv->irq = platform_get_irq(pmic_pdev, 0);  in hi6421v600_irq_probe()
246 	if (priv->irq < 0)  in hi6421v600_irq_probe()
247 		return priv->irq;  in hi6421v600_irq_probe()
253 	priv->irqs = devm_kzalloc(dev, PMIC_IRQ_LIST_MAX * sizeof(int), GFP_KERNEL);  in hi6421v600_irq_probe()
254 	if (!priv->irqs)  in hi6421v600_irq_probe()
255 		return -ENOMEM;  in hi6421v600_irq_probe()
257 	priv->domain = irq_domain_add_simple(np, PMIC_IRQ_LIST_MAX, 0,  in hi6421v600_irq_probe()
259 	if (!priv->domain) {  in hi6421v600_irq_probe()
261 		return -ENODEV;  in hi6421v600_irq_probe()
265 		virq = irq_create_mapping(priv->domain, i);  in hi6421v600_irq_probe()
268 			return -ENODEV;  in hi6421v600_irq_probe()
270 		priv->irqs[i] = virq;  in hi6421v600_irq_probe()
274 					priv->irq, hi6421v600_irq_handler,  in hi6421v600_irq_probe()
288 	{ .name = "hi6421v600-irq" },
296 		.name = "hi6421v600-irq",
302 MODULE_DESCRIPTION("HiSilicon Hi6421v600 IRQ driver");