1 // SPDX-License-Identifier: GPL-2.0
3  * Synaptics AS370 SoC Hardware Monitoring Driver
10 #include <linux/hwmon.h>
32 static void init_pvt(struct as370_hwmon *hwmon)  in init_pvt()  argument
35 	void __iomem *addr = hwmon->base + CTRL;  in init_pvt()
51 	struct as370_hwmon *hwmon = dev_get_drvdata(dev);  in as370_hwmon_read()  local
55 		val = readl_relaxed(hwmon->base + STS) & BN_MASK;  in as370_hwmon_read()
56 		*temp = DIV_ROUND_CLOSEST(val * 251802, 4096) - 85525;  in as370_hwmon_read()
59 		return -EOPNOTSUPP;  in as370_hwmon_read()
98 	struct as370_hwmon *hwmon;  in as370_hwmon_probe()  local
99 	struct device *dev = &pdev->dev;  in as370_hwmon_probe()
101 	hwmon = devm_kzalloc(dev, sizeof(*hwmon), GFP_KERNEL);  in as370_hwmon_probe()
102 	if (!hwmon)  in as370_hwmon_probe()
103 		return -ENOMEM;  in as370_hwmon_probe()
105 	hwmon->base = devm_platform_ioremap_resource(pdev, 0);  in as370_hwmon_probe()
106 	if (IS_ERR(hwmon->base))  in as370_hwmon_probe()
107 		return PTR_ERR(hwmon->base);  in as370_hwmon_probe()
109 	init_pvt(hwmon);  in as370_hwmon_probe()
112 							 "as370",  in as370_hwmon_probe()
113 							 hwmon,  in as370_hwmon_probe()
120 	{ .compatible = "syna,as370-hwmon" },
128 		.name = "as370-hwmon",
135 MODULE_DESCRIPTION("Synaptics AS370 SoC hardware monitor");