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()
55 		dev_err(mtherm->dev, "Failed to read STATLBT: %d\n", ret);  in max77620_thermal_read_temp()
77 	if (irq == mtherm->irq_tjalarm1)  in max77620_thermal_irq()
78 		dev_warn(mtherm->dev, "Junction Temp Alarm1(120C) occurred\n");  in max77620_thermal_irq()
79 	else if (irq == mtherm->irq_tjalarm2)  in max77620_thermal_irq()
80 		dev_crit(mtherm->dev, "Junction Temp Alarm2(140C) occurred\n");  in max77620_thermal_irq()
82 	thermal_zone_device_update(mtherm->tz_device,  in max77620_thermal_irq()
93 	mtherm = devm_kzalloc(&pdev->dev, sizeof(*mtherm), GFP_KERNEL);  in max77620_thermal_probe()
95 		return -ENOMEM;  in max77620_thermal_probe()
97 	mtherm->irq_tjalarm1 = platform_get_irq(pdev, 0);  in max77620_thermal_probe()
98 	mtherm->irq_tjalarm2 = platform_get_irq(pdev, 1);  in max77620_thermal_probe()
99 	if ((mtherm->irq_tjalarm1 < 0) || (mtherm->irq_tjalarm2 < 0)) {  in max77620_thermal_probe()
100 		dev_err(&pdev->dev, "Alarm irq number not available\n");  in max77620_thermal_probe()
101 		return -EINVAL;  in max77620_thermal_probe()
104 	mtherm->dev = &pdev->dev;  in max77620_thermal_probe()
105 	mtherm->rmap = dev_get_regmap(pdev->dev.parent, NULL);  in max77620_thermal_probe()
106 	if (!mtherm->rmap) {  in max77620_thermal_probe()
107 		dev_err(&pdev->dev, "Failed to get parent regmap\n");  in max77620_thermal_probe()
108 		return -ENODEV;  in max77620_thermal_probe()
113 	 * reprobe or on platform-device release.  in max77620_thermal_probe()
115 	device_set_of_node_from_dev(&pdev->dev, pdev->dev.parent);  in max77620_thermal_probe()
117 	mtherm->tz_device = devm_thermal_zone_of_sensor_register(&pdev->dev, 0,  in max77620_thermal_probe()
119 	if (IS_ERR(mtherm->tz_device)) {  in max77620_thermal_probe()
120 		ret = PTR_ERR(mtherm->tz_device);  in max77620_thermal_probe()
121 		dev_err(&pdev->dev, "Failed to register thermal zone: %d\n",  in max77620_thermal_probe()
126 	ret = devm_request_threaded_irq(&pdev->dev, mtherm->irq_tjalarm1, NULL,  in max77620_thermal_probe()
129 					dev_name(&pdev->dev), mtherm);  in max77620_thermal_probe()
131 		dev_err(&pdev->dev, "Failed to request irq1: %d\n", ret);  in max77620_thermal_probe()
135 	ret = devm_request_threaded_irq(&pdev->dev, mtherm->irq_tjalarm2, NULL,  in max77620_thermal_probe()
138 					dev_name(&pdev->dev), mtherm);  in max77620_thermal_probe()
140 		dev_err(&pdev->dev, "Failed to request irq2: %d\n", ret);  in max77620_thermal_probe()
150 	{ .name = "max77620-thermal", },
157 		.name = "max77620-thermal",