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Diffstat (limited to 'drivers/hwmon/max16064.c')
-rw-r--r--drivers/hwmon/max16064.c91
1 files changed, 91 insertions, 0 deletions
diff --git a/drivers/hwmon/max16064.c b/drivers/hwmon/max16064.c
new file mode 100644
index 00000000000..1d6d717060d
--- /dev/null
+++ b/drivers/hwmon/max16064.c
@@ -0,0 +1,91 @@
+/*
+ * Hardware monitoring driver for Maxim MAX16064
+ *
+ * Copyright (c) 2011 Ericsson AB.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#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 max16064_info = {
+ .pages = 4,
+ .direct[PSC_VOLTAGE_IN] = true,
+ .direct[PSC_VOLTAGE_OUT] = true,
+ .direct[PSC_TEMPERATURE] = true,
+ .m[PSC_VOLTAGE_IN] = 19995,
+ .b[PSC_VOLTAGE_IN] = 0,
+ .R[PSC_VOLTAGE_IN] = -1,
+ .m[PSC_VOLTAGE_OUT] = 19995,
+ .b[PSC_VOLTAGE_OUT] = 0,
+ .R[PSC_VOLTAGE_OUT] = -1,
+ .m[PSC_TEMPERATURE] = -7612,
+ .b[PSC_TEMPERATURE] = 335,
+ .R[PSC_TEMPERATURE] = -3,
+ .func[0] = PMBUS_HAVE_VOUT | PMBUS_HAVE_TEMP
+ | PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_STATUS_TEMP,
+ .func[1] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT,
+ .func[2] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT,
+ .func[3] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT,
+};
+
+static int max16064_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ return pmbus_do_probe(client, id, &max16064_info);
+}
+
+static int max16064_remove(struct i2c_client *client)
+{
+ return pmbus_do_remove(client);
+}
+
+static const struct i2c_device_id max16064_id[] = {
+ {"max16064", 0},
+ {}
+};
+
+MODULE_DEVICE_TABLE(i2c, max16064_id);
+
+/* This is the driver that will be inserted */
+static struct i2c_driver max16064_driver = {
+ .driver = {
+ .name = "max16064",
+ },
+ .probe = max16064_probe,
+ .remove = max16064_remove,
+ .id_table = max16064_id,
+};
+
+static int __init max16064_init(void)
+{
+ return i2c_add_driver(&max16064_driver);
+}
+
+static void __exit max16064_exit(void)
+{
+ i2c_del_driver(&max16064_driver);
+}
+
+MODULE_AUTHOR("Guenter Roeck");
+MODULE_DESCRIPTION("PMBus driver for Maxim MAX16064");
+MODULE_LICENSE("GPL");
+module_init(max16064_init);
+module_exit(max16064_exit);