1 files changed, 75 insertions, 0 deletions
diff --git a/drivers/hwmon/pmbus/stef48h28.c b/drivers/hwmon/pmbus/stef48h28.c
new file mode 100644
index 000000000000..4bde2215697c
--- /dev/null
+++ b/drivers/hwmon/pmbus/stef48h28.c
@@ -0,0 +1,75 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Hardware monitoring driver for STMicroelectronics digital controller stef48h28
+ */
+
+#include <linux/err.h>
+#include <linux/i2c.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+
+#include "pmbus.h"
+
+static struct pmbus_driver_info stef48h28_info = {
+	.pages = 1,
+	.format[PSC_VOLTAGE_IN] = direct,
+	.format[PSC_VOLTAGE_OUT] = direct,
+	.format[PSC_CURRENT_IN] = direct,
+	.format[PSC_CURRENT_OUT] = direct,
+	.format[PSC_POWER] = direct,
+	.format[PSC_TEMPERATURE] = direct,
+	.m[PSC_VOLTAGE_IN] = 50,
+	.b[PSC_VOLTAGE_IN] = 0,
+	.R[PSC_VOLTAGE_IN] = 0,
+	.m[PSC_VOLTAGE_OUT] = 50,
+	.b[PSC_VOLTAGE_OUT] = 0,
+	.R[PSC_VOLTAGE_OUT] = 0,
+	.m[PSC_CURRENT_IN] = 100,
+	.b[PSC_CURRENT_IN] = 0,
+	.R[PSC_CURRENT_IN] = 0,
+	.m[PSC_CURRENT_OUT] = 100,
+	.b[PSC_CURRENT_OUT] = 0,
+	.R[PSC_CURRENT_OUT] = 0,
+	.m[PSC_POWER] = 9765,
+	.b[PSC_POWER] = 0,
+	.R[PSC_POWER] = -3,
+	.m[PSC_TEMPERATURE] = 25,
+	.b[PSC_TEMPERATURE] = 500,
+	.R[PSC_TEMPERATURE] = 0,
+	.func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_IIN | PMBUS_HAVE_PIN
+		| PMBUS_HAVE_STATUS_INPUT | PMBUS_HAVE_TEMP | PMBUS_HAVE_TEMP2
+		| PMBUS_HAVE_STATUS_TEMP | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
+		| PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_POUT
+};
+
+static int stef48h28_probe(struct i2c_client *client)
+{
+	return pmbus_do_probe(client, &stef48h28_info);
+}
+
+static const struct i2c_device_id stef48h28_id[] = {
+	{"stef48h28"},
+	{}
+};
+MODULE_DEVICE_TABLE(i2c, stef48h28_id);
+
+static const struct of_device_id __maybe_unused stef48h28_of_match[] = {
+	{.compatible = "st,stef48h28"},
+	{}
+};
+
+static struct i2c_driver stef48h28_driver = {
+	.driver = {
+			.name = "stef48h28",
+			.of_match_table = of_match_ptr(stef48h28_of_match),
+			},
+	.probe = stef48h28_probe,
+	.id_table = stef48h28_id,
+};
+
+module_i2c_driver(stef48h28_driver);
+
+MODULE_AUTHOR("Charles Hsu <hsu.yungteng@gmail.com>");
+MODULE_DESCRIPTION("PMBus driver for ST stef48h28");
+MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS("PMBUS");