These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / hwmon / pmbus / max20751.c

diff --git a/kernel/drivers/hwmon/pmbus/max20751.c b/kernel/drivers/hwmon/pmbus/max20751.c
new file mode 100644 (file)
index 0000000..ab74aea
--- /dev/null
+++ b/kernel/drivers/hwmon/pmbus/max20751.c
@@ -0,0 +1,64 @@
+/*
+ * Hardware monitoring driver for Maxim MAX20751
+ *
+ * Copyright (c) 2015 Guenter Roeck
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/i2c.h>
+#include "pmbus.h"
+
+static struct pmbus_driver_info max20751_info = {
+       .pages = 1,
+       .format[PSC_VOLTAGE_IN] = linear,
+       .format[PSC_VOLTAGE_OUT] = vid,
+       .vrm_version = vr12,
+       .format[PSC_TEMPERATURE] = linear,
+       .format[PSC_CURRENT_OUT] = linear,
+       .format[PSC_POWER] = 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_STATUS_TEMP |
+               PMBUS_HAVE_POUT,
+};
+
+static int max20751_probe(struct i2c_client *client,
+                         const struct i2c_device_id *id)
+{
+       return pmbus_do_probe(client, id, &max20751_info);
+}
+
+static const struct i2c_device_id max20751_id[] = {
+       {"max20751", 0},
+       {}
+};
+
+MODULE_DEVICE_TABLE(i2c, max20751_id);
+
+static struct i2c_driver max20751_driver = {
+       .driver = {
+                  .name = "max20751",
+                  },
+       .probe = max20751_probe,
+       .remove = pmbus_do_remove,
+       .id_table = max20751_id,
+};
+
+module_i2c_driver(max20751_driver);
+
+MODULE_AUTHOR("Guenter Roeck <linux@roeck-us.net>");
+MODULE_DESCRIPTION("PMBus driver for Maxim MAX20751");
+MODULE_LICENSE("GPL");