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Message-ID: <1298742650-9789-4-git-send-email-guenter.roeck@ericsson.com>
Date: Sat, 26 Feb 2011 09:50:48 -0800
From: Guenter Roeck <guenter.roeck@...csson.com>
To: Jean Delvare <khali@...ux-fr.org>
CC: Jonathan Cameron <kernel@...23.retrosnub.co.uk>,
Randy Dunlap <rdunlap@...otime.net>,
Greg Schnorr <gschnorr@...co.com>, <lm-sensors@...sensors.org>,
<linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
Guenter Roeck <guenter.roeck@...csson.com>
Subject: [PATCH v5 3/5] hwmon: (pmbus) Add support for Maxim MAX16064
Signed-off-by: Guenter Roeck <guenter.roeck@...csson.com>
Acked-by: Jonathan Cameron <jic23@....ac.uk>
---
drivers/hwmon/Kconfig | 10 +++++
drivers/hwmon/Makefile | 1 +
drivers/hwmon/max16064.c | 91 ++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 102 insertions(+), 0 deletions(-)
create mode 100644 drivers/hwmon/max16064.c
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index cac65d7..60f5d39 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -758,6 +758,16 @@ config SENSORS_PMBUS
This driver can also be built as a module. If so, the module will
be called pmbus.
+config SENSORS_MAX16064
+ tristate "Maxim MAX16064"
+ default n
+ help
+ If you say yes here you get hardware monitoring support for Maxim
+ MAX16064.
+
+ This driver can also be built as a module. If so, the module will
+ be called max16064.
+
config SENSORS_MAX8688
tristate "Maxim MAX8688"
default n
diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile
index 00c2e77..9c83d0d 100644
--- a/drivers/hwmon/Makefile
+++ b/drivers/hwmon/Makefile
@@ -115,6 +115,7 @@ obj-$(CONFIG_SENSORS_WM8350) += wm8350-hwmon.o
# PMBus drivers
obj-$(CONFIG_PMBUS) += pmbus_core.o
obj-$(CONFIG_SENSORS_PMBUS) += pmbus.o
+obj-$(CONFIG_SENSORS_MAX16064) += max16064.o
obj-$(CONFIG_SENSORS_MAX8688) += max8688.o
ifeq ($(CONFIG_HWMON_DEBUG_CHIP),y)
diff --git a/drivers/hwmon/max16064.c b/drivers/hwmon/max16064.c
new file mode 100644
index 0000000..1d6d717
--- /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);
--
1.7.3.1
--
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