1 files changed, 68 insertions, 0 deletions
diff --git a/drivers/hwmon/pmbus/max20860a.c b/drivers/hwmon/pmbus/max20860a.c
new file mode 100644
index 000000000..905f916f6
--- /dev/null
+++ b/drivers/hwmon/pmbus/max20860a.c
@@ -0,0 +1,68 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Hardware monitoring driver for Analog Devices MAX20860A
+ *
+ * SPDX-FileCopyrightText: Copyright Hewlett Packard Enterprise Development LP
+ */
+
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/regulator/driver.h>
+#include "pmbus.h"
+
+#if IS_ENABLED(CONFIG_SENSORS_MAX20860A_REGULATOR)
+static const struct regulator_desc max20860a_reg_desc[] = {
+	PMBUS_REGULATOR_ONE("vout"),
+};
+#endif
+
+static struct pmbus_driver_info max20860a_info = {
+	.pages = 1,
+	.format[PSC_VOLTAGE_IN] = linear,
+	.format[PSC_VOLTAGE_OUT] = linear,
+	.format[PSC_CURRENT_OUT] = linear,
+	.format[PSC_TEMPERATURE] = linear,
+	.func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT |
+		PMBUS_HAVE_STATUS_VOUT |
+		PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT |
+		PMBUS_HAVE_TEMP | PMBUS_HAVE_TEMP2 |
+		PMBUS_HAVE_STATUS_TEMP | PMBUS_HAVE_STATUS_INPUT,
+#if IS_ENABLED(CONFIG_SENSORS_MAX20860A_REGULATOR)
+	.num_regulators = 1,
+	.reg_desc = max20860a_reg_desc,
+#endif
+};
+
+static int max20860a_probe(struct i2c_client *client)
+{
+	return pmbus_do_probe(client, &max20860a_info);
+}
+
+static const struct i2c_device_id max20860a_id[] = {
+	{"max20860a"},
+	{}
+};
+MODULE_DEVICE_TABLE(i2c, max20860a_id);
+
+static const struct of_device_id max20860a_of_match[] = {
+	{ .compatible = "adi,max20860a" },
+	{}
+};
+MODULE_DEVICE_TABLE(of, max20860a_of_match);
+
+static struct i2c_driver max20860a_driver = {
+	.driver = {
+		.name = "max20860a",
+		.of_match_table = max20860a_of_match,
+	},
+	.probe = max20860a_probe,
+	.id_table = max20860a_id,
+};
+
+module_i2c_driver(max20860a_driver);
+
+MODULE_AUTHOR("Syed Arif <arif.syed@hpe.com>");
+MODULE_AUTHOR("Sanman Pradhan <psanman@juniper.net>");
+MODULE_DESCRIPTION("PMBus driver for Analog Devices MAX20860A");
+MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS("PMBUS");