1 // SPDX-License-Identifier: GPL-2.0-only
42 	int irq = irq_find_mapping(lmh_data->domain, 0);  in lmh_handle_irq()
44 	/* Call the cpufreq driver to handle the interrupt */  in lmh_handle_irq()
56 	writel(0xff, lmh_data->base + LMH_REG_DCVS_INTR_CLR);  in lmh_enable_interrupt()
57 	enable_irq(lmh_data->irq);  in lmh_enable_interrupt()
64 	disable_irq_nosync(lmh_data->irq);  in lmh_disable_interrupt()
73 static int lmh_irq_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw)  in lmh_irq_map()  argument
75 	struct lmh_hw_data *lmh_data = d->host_data;  in lmh_irq_map()
90 	struct device *dev = &pdev->dev;  in lmh_probe()
91 	struct device_node *np = dev->of_node;  in lmh_probe()
100 		return -ENOMEM;  in lmh_probe()
102 	lmh_data->base = devm_platform_ioremap_resource(pdev, 0);  in lmh_probe()
103 	if (IS_ERR(lmh_data->base))  in lmh_probe()
104 		return PTR_ERR(lmh_data->base);  in lmh_probe()
108 		return -EINVAL;  in lmh_probe()
112 	ret = of_property_read_u32(np, "qcom,lmh-temp-high-millicelsius", &temp_high);  in lmh_probe()
114 		dev_err(dev, "missing qcom,lmh-temp-high-millicelsius property\n");  in lmh_probe()
118 	ret = of_property_read_u32(np, "qcom,lmh-temp-low-millicelsius", &temp_low);  in lmh_probe()
120 		dev_err(dev, "missing qcom,lmh-temp-low-millicelsius property\n");  in lmh_probe()
124 	ret = of_property_read_u32(np, "qcom,lmh-temp-arm-millicelsius", &temp_arm);  in lmh_probe()
126 		dev_err(dev, "missing qcom,lmh-temp-arm-millicelsius property\n");  in lmh_probe()
131 	 * Only sdm845 has lmh hardware currently enabled from hlos. If this is needed  in lmh_probe()
132 	 * for other platforms, revisit this to check if the <cpu-id, node-id> should be part  in lmh_probe()
141 		return -EINVAL;  in lmh_probe()
145 		return -EINVAL;  in lmh_probe()
201 	lmh_data->irq = platform_get_irq(pdev, 0);  in lmh_probe()
202 	lmh_data->domain = irq_domain_add_linear(np, 1, &lmh_irq_ops, lmh_data);  in lmh_probe()
203 	if (!lmh_data->domain) {  in lmh_probe()
205 		return -EINVAL;  in lmh_probe()
208 	/* Disable the irq and let cpufreq enable it when ready to handle the interrupt */  in lmh_probe()
209 	irq_set_status_flags(lmh_data->irq, IRQ_NOAUTOEN);  in lmh_probe()
210 	ret = devm_request_irq(dev, lmh_data->irq, lmh_handle_irq,  in lmh_probe()
212 			       "lmh-irq", lmh_data);  in lmh_probe()
214 		dev_err(dev, "Error %d registering irq %x\n", ret, lmh_data->irq);  in lmh_probe()
215 		irq_domain_remove(lmh_data->domain);  in lmh_probe()
223 	{ .compatible = "qcom,sc8180x-lmh", },
224 	{ .compatible = "qcom,sdm845-lmh", .data = (void *)LMH_ENABLE_ALGOS},
225 	{ .compatible = "qcom,sm8150-lmh", },
233 		.name = "qcom-lmh",