1 // SPDX-License-Identifier: GPL-2.0-only
34  * max77620_thermal_read_temp: Read PMIC die temperatue.
35  * @data:	Device specific data.
38  * The actual temperature of PMIC die is not available from PMIC.
39  * PMIC only tells the status if it has crossed or not the threshold level
42  * else 120degC or 140deG based on the PMIC die temp threshold status.
53 	ret = regmap_read(mtherm->rmap, MAX77620_REG_STATLBT, &val);  in max77620_thermal_read_temp()
75 	if (irq == mtherm->irq_tjalarm1)  in max77620_thermal_irq()
76 		dev_warn(mtherm->dev, "Junction Temp Alarm1(120C) occurred\n");  in max77620_thermal_irq()
77 	else if (irq == mtherm->irq_tjalarm2)  in max77620_thermal_irq()
78 		dev_crit(mtherm->dev, "Junction Temp Alarm2(140C) occurred\n");  in max77620_thermal_irq()
80 	thermal_zone_device_update(mtherm->tz_device,  in max77620_thermal_irq()
91 	mtherm = devm_kzalloc(&pdev->dev, sizeof(*mtherm), GFP_KERNEL);  in max77620_thermal_probe()
93 		return -ENOMEM;  in max77620_thermal_probe()
95 	mtherm->irq_tjalarm1 = platform_get_irq(pdev, 0);  in max77620_thermal_probe()
96 	mtherm->irq_tjalarm2 = platform_get_irq(pdev, 1);  in max77620_thermal_probe()
97 	if ((mtherm->irq_tjalarm1 < 0) || (mtherm->irq_tjalarm2 < 0)) {  in max77620_thermal_probe()
98 		dev_err(&pdev->dev, "Alarm irq number not available\n");  in max77620_thermal_probe()
99 		return -EINVAL;  in max77620_thermal_probe()
102 	mtherm->dev = &pdev->dev;  in max77620_thermal_probe()
103 	mtherm->rmap = dev_get_regmap(pdev->dev.parent, NULL);  in max77620_thermal_probe()
104 	if (!mtherm->rmap) {  in max77620_thermal_probe()
105 		dev_err(&pdev->dev, "Failed to get parent regmap\n");  in max77620_thermal_probe()
106 		return -ENODEV;  in max77620_thermal_probe()
111 	 * reprobe or on platform-device release.  in max77620_thermal_probe()
113 	device_set_of_node_from_dev(&pdev->dev, pdev->dev.parent);  in max77620_thermal_probe()
115 	mtherm->tz_device = devm_thermal_of_zone_register(&pdev->dev, 0,  in max77620_thermal_probe()
117 	if (IS_ERR(mtherm->tz_device))  in max77620_thermal_probe()
118 		return PTR_ERR(mtherm->tz_device);  in max77620_thermal_probe()
120 	ret = devm_request_threaded_irq(&pdev->dev, mtherm->irq_tjalarm1, NULL,  in max77620_thermal_probe()
123 					dev_name(&pdev->dev), mtherm);  in max77620_thermal_probe()
125 		dev_err(&pdev->dev, "Failed to request irq1: %d\n", ret);  in max77620_thermal_probe()
129 	ret = devm_request_threaded_irq(&pdev->dev, mtherm->irq_tjalarm2, NULL,  in max77620_thermal_probe()
132 					dev_name(&pdev->dev), mtherm);  in max77620_thermal_probe()
134 		dev_err(&pdev->dev, "Failed to request irq2: %d\n", ret);  in max77620_thermal_probe()
142 	{ .name = "max77620-thermal", },
149 		.name = "max77620-thermal",