thermal/broadcom/bcm2711_thermal.c

1 // SPDX-License-Identifier: GPL-2.0+
3  * Broadcom AVS RO thermal sensor driver
21 #include <linux/thermal.h>
31 	struct thermal_zone_device *thermal;  member
42 	ret = regmap_read(priv->regmap, AVS_RO_TEMP_STATUS, &val);  in bcm2711_get_temp()
47 		return -EIO;  in bcm2711_get_temp()
62 	{ .compatible = "brcm,bcm2711-thermal" },
69 	struct thermal_zone_device *thermal;  in bcm2711_thermal_probe()  local
71 	struct device *dev = &pdev->dev;  in bcm2711_thermal_probe()
78 		return -ENOMEM;  in bcm2711_thermal_probe()
81 	parent = of_get_parent(dev->of_node); /* parent should be syscon node */  in bcm2711_thermal_probe()
89 	priv->regmap = regmap;  in bcm2711_thermal_probe()
91 	thermal = devm_thermal_of_zone_register(dev, 0, priv,  in bcm2711_thermal_probe()
93 	if (IS_ERR(thermal)) {  in bcm2711_thermal_probe()
94 		ret = PTR_ERR(thermal);  in bcm2711_thermal_probe()
99 	priv->thermal = thermal;  in bcm2711_thermal_probe()
101 	return thermal_add_hwmon_sysfs(thermal);  in bcm2711_thermal_probe()
115 MODULE_DESCRIPTION("Broadcom AVS RO thermal sensor driver");