1 // SPDX-License-Identifier: GPL-2.0-only
3  * Driver for UniPhier AIDET (ARM Interrupt Detector)
36 	spin_lock_irqsave(&priv->lock, flags);  in uniphier_aidet_reg_update()
37 	tmp = readl_relaxed(priv->reg_base + reg);  in uniphier_aidet_reg_update()
40 	writel_relaxed(tmp, priv->reg_base + reg);  in uniphier_aidet_reg_update()
41 	spin_unlock_irqrestore(&priv->lock, flags);  in uniphier_aidet_reg_update()
58 	struct uniphier_aidet_priv *priv = data->chip_data;  in uniphier_aidet_irq_set_type()
76 		return -EINVAL;  in uniphier_aidet_irq_set_type()
79 	uniphier_aidet_detconf_update(priv, data->hwirq, val);  in uniphier_aidet_irq_set_type()
85 	.name = "AIDET",
98 	if (WARN_ON(fwspec->param_count < 2))  in uniphier_aidet_domain_translate()
99 		return -EINVAL;  in uniphier_aidet_domain_translate()
101 	*out_hwirq = fwspec->param[0];  in uniphier_aidet_domain_translate()
102 	*out_type = fwspec->param[1] & IRQ_TYPE_SENSE_MASK;  in uniphier_aidet_domain_translate()
117 		return -EINVAL;  in uniphier_aidet_domain_alloc()
134 		return -EINVAL;  in uniphier_aidet_domain_alloc()
138 		return -ENXIO;  in uniphier_aidet_domain_alloc()
142 					    domain->host_data);  in uniphier_aidet_domain_alloc()
147 	parent_fwspec.fwnode = domain->parent->fwnode;  in uniphier_aidet_domain_alloc()
164 	struct device *dev = &pdev->dev;  in uniphier_aidet_probe()
169 	parent_np = of_irq_find_parent(dev->of_node);  in uniphier_aidet_probe()
171 		return -ENXIO;  in uniphier_aidet_probe()
176 		return -EPROBE_DEFER;  in uniphier_aidet_probe()
180 		return -ENOMEM;  in uniphier_aidet_probe()
182 	priv->reg_base = devm_platform_ioremap_resource(pdev, 0);  in uniphier_aidet_probe()
183 	if (IS_ERR(priv->reg_base))  in uniphier_aidet_probe()
184 		return PTR_ERR(priv->reg_base);  in uniphier_aidet_probe()
186 	spin_lock_init(&priv->lock);  in uniphier_aidet_probe()
188 	priv->domain = irq_domain_create_hierarchy(  in uniphier_aidet_probe()
191 					of_node_to_fwnode(dev->of_node),  in uniphier_aidet_probe()
193 	if (!priv->domain)  in uniphier_aidet_probe()
194 		return -ENOMEM;  in uniphier_aidet_probe()
206 	for (i = 0; i < ARRAY_SIZE(priv->saved_vals); i++)  in uniphier_aidet_suspend()
207 		priv->saved_vals[i] = readl_relaxed(  in uniphier_aidet_suspend()
208 			priv->reg_base + UNIPHIER_AIDET_DETCONF + i * 4);  in uniphier_aidet_suspend()
218 	for (i = 0; i < ARRAY_SIZE(priv->saved_vals); i++)  in uniphier_aidet_resume()
219 		writel_relaxed(priv->saved_vals[i],  in uniphier_aidet_resume()
220 			       priv->reg_base + UNIPHIER_AIDET_DETCONF + i * 4);  in uniphier_aidet_resume()
231 	{ .compatible = "socionext,uniphier-ld4-aidet" },
232 	{ .compatible = "socionext,uniphier-pro4-aidet" },
233 	{ .compatible = "socionext,uniphier-sld8-aidet" },
234 	{ .compatible = "socionext,uniphier-pro5-aidet" },
235 	{ .compatible = "socionext,uniphier-pxs2-aidet" },
236 	{ .compatible = "socionext,uniphier-ld11-aidet" },
237 	{ .compatible = "socionext,uniphier-ld20-aidet" },
238 	{ .compatible = "socionext,uniphier-pxs3-aidet" },
239 	{ .compatible = "socionext,uniphier-nx1-aidet" },
246 		.name = "uniphier-aidet",