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-rw-r--r--drivers/hwmon/pmbus/Kconfig100
-rw-r--r--drivers/hwmon/pmbus/Makefile13
-rw-r--r--drivers/hwmon/pmbus/adm1275.c191
-rw-r--r--drivers/hwmon/pmbus/lm25066.c352
-rw-r--r--drivers/hwmon/pmbus/max16064.c142
-rw-r--r--drivers/hwmon/pmbus/max34440.c262
-rw-r--r--drivers/hwmon/pmbus/max8688.c219
-rw-r--r--drivers/hwmon/pmbus/pmbus.c241
-rw-r--r--drivers/hwmon/pmbus/pmbus.h354
-rw-r--r--drivers/hwmon/pmbus/pmbus_core.c1776
-rw-r--r--drivers/hwmon/pmbus/ucd9000.c276
-rw-r--r--drivers/hwmon/pmbus/ucd9200.c208
12 files changed, 4134 insertions, 0 deletions
diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig
new file mode 100644
index 00000000000..c9237b9dcff
--- /dev/null
+++ b/drivers/hwmon/pmbus/Kconfig
@@ -0,0 +1,100 @@
+#
+# PMBus chip drivers configuration
+#
+
+menuconfig PMBUS
+ tristate "PMBus support"
+ depends on I2C && EXPERIMENTAL
+ default n
+ help
+ Say yes here if you want to enable PMBus support.
+
+ This driver can also be built as a module. If so, the module will
+ be called pmbus_core.
+
+if PMBUS
+
+config SENSORS_PMBUS
+ tristate "Generic PMBus devices"
+ default y
+ help
+ If you say yes here you get hardware monitoring support for generic
+ PMBus devices, including but not limited to ADP4000, BMR450, BMR451,
+ BMR453, BMR454, LTC2978, NCP4200, and NCP4208.
+
+ This driver can also be built as a module. If so, the module will
+ be called pmbus.
+
+config SENSORS_ADM1275
+ tristate "Analog Devices ADM1275"
+ default n
+ help
+ If you say yes here you get hardware monitoring support for Analog
+ Devices ADM1275 Hot-Swap Controller and Digital Power Monitor.
+
+ This driver can also be built as a module. If so, the module will
+ be called adm1275.
+
+config SENSORS_LM25066
+ tristate "National Semiconductor LM25066 and compatibles"
+ default n
+ help
+ If you say yes here you get hardware monitoring support for National
+ Semiconductor LM25066, LM5064, and LM5066.
+
+ This driver can also be built as a module. If so, the module will
+ be called lm25066.
+
+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_MAX34440
+ tristate "Maxim MAX34440/MAX34441"
+ default n
+ help
+ If you say yes here you get hardware monitoring support for Maxim
+ MAX34440 and MAX34441.
+
+ This driver can also be built as a module. If so, the module will
+ be called max34440.
+
+config SENSORS_MAX8688
+ tristate "Maxim MAX8688"
+ default n
+ help
+ If you say yes here you get hardware monitoring support for Maxim
+ MAX8688.
+
+ This driver can also be built as a module. If so, the module will
+ be called max8688.
+
+config SENSORS_UCD9000
+ tristate "TI UCD90120, UCD90124, UCD9090, UCD90910"
+ default n
+ help
+ If you say yes here you get hardware monitoring support for TI
+ UCD90120, UCD90124, UCD9090, UCD90910 Sequencer and System Health
+ Controllers.
+
+ This driver can also be built as a module. If so, the module will
+ be called ucd9000.
+
+config SENSORS_UCD9200
+ tristate "TI UCD9220, UCD9222, UCD9224, UCD9240, UCD9244, UCD9246, UCD9248"
+ default n
+ help
+ If you say yes here you get hardware monitoring support for TI
+ UCD9220, UCD9222, UCD9224, UCD9240, UCD9244, UCD9246, and UCD9248
+ Digital PWM System Controllers.
+
+ This driver can also be built as a module. If so, the module will
+ be called ucd9200.
+
+endif # PMBUS
diff --git a/drivers/hwmon/pmbus/Makefile b/drivers/hwmon/pmbus/Makefile
new file mode 100644
index 00000000000..623eedb1ed9
--- /dev/null
+++ b/drivers/hwmon/pmbus/Makefile
@@ -0,0 +1,13 @@
+#
+# Makefile for PMBus chip drivers.
+#
+
+obj-$(CONFIG_PMBUS) += pmbus_core.o
+obj-$(CONFIG_SENSORS_PMBUS) += pmbus.o
+obj-$(CONFIG_SENSORS_ADM1275) += adm1275.o
+obj-$(CONFIG_SENSORS_LM25066) += lm25066.o
+obj-$(CONFIG_SENSORS_MAX16064) += max16064.o
+obj-$(CONFIG_SENSORS_MAX34440) += max34440.o
+obj-$(CONFIG_SENSORS_MAX8688) += max8688.o
+obj-$(CONFIG_SENSORS_UCD9000) += ucd9000.o
+obj-$(CONFIG_SENSORS_UCD9200) += ucd9200.o
diff --git a/drivers/hwmon/pmbus/adm1275.c b/drivers/hwmon/pmbus/adm1275.c
new file mode 100644
index 00000000000..c936e278230
--- /dev/null
+++ b/drivers/hwmon/pmbus/adm1275.c
@@ -0,0 +1,191 @@
+/*
+ * Hardware monitoring driver for Analog Devices ADM1275 Hot-Swap Controller
+ * and Digital Power Monitor
+ *
+ * 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/slab.h>
+#include <linux/i2c.h>
+#include "pmbus.h"
+
+#define ADM1275_PEAK_IOUT 0xd0
+#define ADM1275_PEAK_VIN 0xd1
+#define ADM1275_PEAK_VOUT 0xd2
+#define ADM1275_PMON_CONFIG 0xd4
+
+#define ADM1275_VIN_VOUT_SELECT (1 << 6)
+#define ADM1275_VRANGE (1 << 5)
+
+static int adm1275_read_word_data(struct i2c_client *client, int page, int reg)
+{
+ int ret;
+
+ if (page)
+ return -EINVAL;
+
+ switch (reg) {
+ case PMBUS_VIRT_READ_IOUT_MAX:
+ ret = pmbus_read_word_data(client, 0, ADM1275_PEAK_IOUT);
+ break;
+ case PMBUS_VIRT_READ_VOUT_MAX:
+ ret = pmbus_read_word_data(client, 0, ADM1275_PEAK_VOUT);
+ break;
+ case PMBUS_VIRT_READ_VIN_MAX:
+ ret = pmbus_read_word_data(client, 0, ADM1275_PEAK_VIN);
+ break;
+ case PMBUS_VIRT_RESET_IOUT_HISTORY:
+ case PMBUS_VIRT_RESET_VOUT_HISTORY:
+ case PMBUS_VIRT_RESET_VIN_HISTORY:
+ ret = 0;
+ break;
+ default:
+ ret = -ENODATA;
+ break;
+ }
+ return ret;
+}
+
+static int adm1275_write_word_data(struct i2c_client *client, int page, int reg,
+ u16 word)
+{
+ int ret;
+
+ if (page)
+ return -EINVAL;
+
+ switch (reg) {
+ case PMBUS_VIRT_RESET_IOUT_HISTORY:
+ ret = pmbus_write_word_data(client, 0, ADM1275_PEAK_IOUT, 0);
+ break;
+ case PMBUS_VIRT_RESET_VOUT_HISTORY:
+ ret = pmbus_write_word_data(client, 0, ADM1275_PEAK_VOUT, 0);
+ break;
+ case PMBUS_VIRT_RESET_VIN_HISTORY:
+ ret = pmbus_write_word_data(client, 0, ADM1275_PEAK_VIN, 0);
+ break;
+ default:
+ ret = -ENODATA;
+ break;
+ }
+ return ret;
+}
+
+static int adm1275_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ int config;
+ int ret;
+ struct pmbus_driver_info *info;
+
+ if (!i2c_check_functionality(client->adapter,
+ I2C_FUNC_SMBUS_READ_BYTE_DATA))
+ return -ENODEV;
+
+ info = kzalloc(sizeof(struct pmbus_driver_info), GFP_KERNEL);
+ if (!info)
+ return -ENOMEM;
+
+ config = i2c_smbus_read_byte_data(client, ADM1275_PMON_CONFIG);
+ if (config < 0) {
+ ret = config;
+ goto err_mem;
+ }
+
+ info->pages = 1;
+ info->format[PSC_VOLTAGE_IN] = direct;
+ info->format[PSC_VOLTAGE_OUT] = direct;
+ info->format[PSC_CURRENT_OUT] = direct;
+ info->m[PSC_CURRENT_OUT] = 807;
+ info->b[PSC_CURRENT_OUT] = 20475;
+ info->R[PSC_CURRENT_OUT] = -1;
+ info->func[0] = PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT;
+
+ info->read_word_data = adm1275_read_word_data;
+ info->write_word_data = adm1275_write_word_data;
+
+ if (config & ADM1275_VRANGE) {
+ info->m[PSC_VOLTAGE_IN] = 19199;
+ info->b[PSC_VOLTAGE_IN] = 0;
+ info->R[PSC_VOLTAGE_IN] = -2;
+ info->m[PSC_VOLTAGE_OUT] = 19199;
+ info->b[PSC_VOLTAGE_OUT] = 0;
+ info->R[PSC_VOLTAGE_OUT] = -2;
+ } else {
+ info->m[PSC_VOLTAGE_IN] = 6720;
+ info->b[PSC_VOLTAGE_IN] = 0;
+ info->R[PSC_VOLTAGE_IN] = -1;
+ info->m[PSC_VOLTAGE_OUT] = 6720;
+ info->b[PSC_VOLTAGE_OUT] = 0;
+ info->R[PSC_VOLTAGE_OUT] = -1;
+ }
+
+ if (config & ADM1275_VIN_VOUT_SELECT)
+ info->func[0] |= PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT;
+ else
+ info->func[0] |= PMBUS_HAVE_VIN | PMBUS_HAVE_STATUS_INPUT;
+
+ ret = pmbus_do_probe(client, id, info);
+ if (ret)
+ goto err_mem;
+ return 0;
+
+err_mem:
+ kfree(info);
+ return ret;
+}
+
+static int adm1275_remove(struct i2c_client *client)
+{
+ const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
+ int ret;
+
+ ret = pmbus_do_remove(client);
+ kfree(info);
+ return ret;
+}
+
+static const struct i2c_device_id adm1275_id[] = {
+ {"adm1275", 0},
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, adm1275_id);
+
+static struct i2c_driver adm1275_driver = {
+ .driver = {
+ .name = "adm1275",
+ },
+ .probe = adm1275_probe,
+ .remove = adm1275_remove,
+ .id_table = adm1275_id,
+};
+
+static int __init adm1275_init(void)
+{
+ return i2c_add_driver(&adm1275_driver);
+}
+
+static void __exit adm1275_exit(void)
+{
+ i2c_del_driver(&adm1275_driver);
+}
+
+MODULE_AUTHOR("Guenter Roeck");
+MODULE_DESCRIPTION("PMBus driver for Analog Devices ADM1275");
+MODULE_LICENSE("GPL");
+module_init(adm1275_init);
+module_exit(adm1275_exit);
diff --git a/drivers/hwmon/pmbus/lm25066.c b/drivers/hwmon/pmbus/lm25066.c
new file mode 100644
index 00000000000..ac254fba551
--- /dev/null
+++ b/drivers/hwmon/pmbus/lm25066.c
@@ -0,0 +1,352 @@
+/*
+ * Hardware monitoring driver for LM25066 / LM5064 / LM5066
+ *
+ * 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/slab.h>
+#include <linux/i2c.h>
+#include "pmbus.h"
+
+enum chips { lm25066, lm5064, lm5066 };
+
+#define LM25066_READ_VAUX 0xd0
+#define LM25066_MFR_READ_IIN 0xd1
+#define LM25066_MFR_READ_PIN 0xd2
+#define LM25066_MFR_IIN_OC_WARN_LIMIT 0xd3
+#define LM25066_MFR_PIN_OP_WARN_LIMIT 0xd4
+#define LM25066_READ_PIN_PEAK 0xd5
+#define LM25066_CLEAR_PIN_PEAK 0xd6
+#define LM25066_DEVICE_SETUP 0xd9
+#define LM25066_READ_AVG_VIN 0xdc
+#define LM25066_READ_AVG_VOUT 0xdd
+#define LM25066_READ_AVG_IIN 0xde
+#define LM25066_READ_AVG_PIN 0xdf
+
+#define LM25066_DEV_SETUP_CL (1 << 4) /* Current limit */
+
+struct lm25066_data {
+ int id;
+ struct pmbus_driver_info info;
+};
+
+#define to_lm25066_data(x) container_of(x, struct lm25066_data, info)
+
+static int lm25066_read_word_data(struct i2c_client *client, int page, int reg)
+{
+ const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
+ const struct lm25066_data *data = to_lm25066_data(info);
+ int ret;
+
+ if (page > 1)
+ return -EINVAL;
+
+ /* Map READ_VAUX into READ_VOUT register on page 1 */
+ if (page == 1) {
+ switch (reg) {
+ case PMBUS_READ_VOUT:
+ ret = pmbus_read_word_data(client, 0,
+ LM25066_READ_VAUX);
+ if (ret < 0)
+ break;
+ /* Adjust returned value to match VOUT coefficients */
+ switch (data->id) {
+ case lm25066:
+ /* VOUT: 4.54 mV VAUX: 283.2 uV LSB */
+ ret = DIV_ROUND_CLOSEST(ret * 2832, 45400);
+ break;
+ case lm5064:
+ /* VOUT: 4.53 mV VAUX: 700 uV LSB */
+ ret = DIV_ROUND_CLOSEST(ret * 70, 453);
+ break;
+ case lm5066:
+ /* VOUT: 2.18 mV VAUX: 725 uV LSB */
+ ret = DIV_ROUND_CLOSEST(ret * 725, 2180);
+ break;
+ }
+ break;
+ default:
+ /* No other valid registers on page 1 */
+ ret = -EINVAL;
+ break;
+ }
+ goto done;
+ }
+
+ switch (reg) {
+ case PMBUS_READ_IIN:
+ ret = pmbus_read_word_data(client, 0, LM25066_MFR_READ_IIN);
+ break;
+ case PMBUS_READ_PIN:
+ ret = pmbus_read_word_data(client, 0, LM25066_MFR_READ_PIN);
+ break;
+ case PMBUS_IIN_OC_WARN_LIMIT:
+ ret = pmbus_read_word_data(client, 0,
+ LM25066_MFR_IIN_OC_WARN_LIMIT);
+ break;
+ case PMBUS_PIN_OP_WARN_LIMIT:
+ ret = pmbus_read_word_data(client, 0,
+ LM25066_MFR_PIN_OP_WARN_LIMIT);
+ break;
+ case PMBUS_VIRT_READ_VIN_AVG:
+ ret = pmbus_read_word_data(client, 0, LM25066_READ_AVG_VIN);
+ break;
+ case PMBUS_VIRT_READ_VOUT_AVG:
+ ret = pmbus_read_word_data(client, 0, LM25066_READ_AVG_VOUT);
+ break;
+ case PMBUS_VIRT_READ_IIN_AVG:
+ ret = pmbus_read_word_data(client, 0, LM25066_READ_AVG_IIN);
+ break;
+ case PMBUS_VIRT_READ_PIN_AVG:
+ ret = pmbus_read_word_data(client, 0, LM25066_READ_AVG_PIN);
+ break;
+ case PMBUS_VIRT_READ_PIN_MAX:
+ ret = pmbus_read_word_data(client, 0, LM25066_READ_PIN_PEAK);
+ break;
+ case PMBUS_VIRT_RESET_PIN_HISTORY:
+ ret = 0;
+ break;
+ default:
+ ret = -ENODATA;
+ break;
+ }
+done:
+ return ret;
+}
+
+static int lm25066_write_word_data(struct i2c_client *client, int page, int reg,
+ u16 word)
+{
+ int ret;
+
+ if (page > 1)
+ return -EINVAL;
+
+ switch (reg) {
+ case PMBUS_IIN_OC_WARN_LIMIT:
+ ret = pmbus_write_word_data(client, 0,
+ LM25066_MFR_IIN_OC_WARN_LIMIT,
+ word);
+ break;
+ case PMBUS_PIN_OP_WARN_LIMIT:
+ ret = pmbus_write_word_data(client, 0,
+ LM25066_MFR_PIN_OP_WARN_LIMIT,
+ word);
+ break;
+ case PMBUS_VIRT_RESET_PIN_HISTORY:
+ ret = pmbus_write_byte(client, 0, LM25066_CLEAR_PIN_PEAK);
+ break;
+ default:
+ ret = -ENODATA;
+ break;
+ }
+ return ret;
+}
+
+static int lm25066_write_byte(struct i2c_client *client, int page, u8 value)
+{
+ if (page > 1)
+ return -EINVAL;
+
+ if (page == 0)
+ return pmbus_write_byte(client, 0, value);
+
+ return 0;
+}
+
+static int lm25066_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ int config;
+ int ret;
+ struct lm25066_data *data;
+ struct pmbus_driver_info *info;
+
+ if (!i2c_check_functionality(client->adapter,
+ I2C_FUNC_SMBUS_READ_BYTE_DATA))
+ return -ENODEV;
+
+ data = kzalloc(sizeof(struct lm25066_data), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
+ config = i2c_smbus_read_byte_data(client, LM25066_DEVICE_SETUP);
+ if (config < 0) {
+ ret = config;
+ goto err_mem;
+ }
+
+ data->id = id->driver_data;
+ info = &data->info;
+
+ info->pages = 2;
+ info->format[PSC_VOLTAGE_IN] = direct;
+ info->format[PSC_VOLTAGE_OUT] = direct;
+ info->format[PSC_CURRENT_IN] = direct;
+ info->format[PSC_TEMPERATURE] = direct;
+ info->format[PSC_POWER] = direct;
+
+ info->m[PSC_TEMPERATURE] = 16;
+ info->b[PSC_TEMPERATURE] = 0;
+ info->R[PSC_TEMPERATURE] = 0;
+
+ info->func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT
+ | PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_PIN | PMBUS_HAVE_IIN
+ | PMBUS_HAVE_STATUS_INPUT | PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP;
+ info->func[1] = PMBUS_HAVE_VOUT;
+
+ info->read_word_data = lm25066_read_word_data;
+ info->write_word_data = lm25066_write_word_data;
+ info->write_byte = lm25066_write_byte;
+
+ switch (id->driver_data) {
+ case lm25066:
+ info->m[PSC_VOLTAGE_IN] = 22070;
+ info->b[PSC_VOLTAGE_IN] = 0;
+ info->R[PSC_VOLTAGE_IN] = -2;
+ info->m[PSC_VOLTAGE_OUT] = 22070;
+ info->b[PSC_VOLTAGE_OUT] = 0;
+ info->R[PSC_VOLTAGE_OUT] = -2;
+
+ if (config & LM25066_DEV_SETUP_CL) {
+ info->m[PSC_CURRENT_IN] = 6852;
+ info->b[PSC_CURRENT_IN] = 0;
+ info->R[PSC_CURRENT_IN] = -2;
+ info->m[PSC_POWER] = 369;
+ info->b[PSC_POWER] = 0;
+ info->R[PSC_POWER] = -2;
+ } else {
+ info->m[PSC_CURRENT_IN] = 13661;
+ info->b[PSC_CURRENT_IN] = 0;
+ info->R[PSC_CURRENT_IN] = -2;
+ info->m[PSC_POWER] = 736;
+ info->b[PSC_POWER] = 0;
+ info->R[PSC_POWER] = -2;
+ }
+ break;
+ case lm5064:
+ info->m[PSC_VOLTAGE_IN] = 22075;
+ info->b[PSC_VOLTAGE_IN] = 0;
+ info->R[PSC_VOLTAGE_IN] = -2;
+ info->m[PSC_VOLTAGE_OUT] = 22075;
+ info->b[PSC_VOLTAGE_OUT] = 0;
+ info->R[PSC_VOLTAGE_OUT] = -2;
+
+ if (config & LM25066_DEV_SETUP_CL) {
+ info->m[PSC_CURRENT_IN] = 6713;
+ info->b[PSC_CURRENT_IN] = 0;
+ info->R[PSC_CURRENT_IN] = -2;
+ info->m[PSC_POWER] = 3619;
+ info->b[PSC_POWER] = 0;
+ info->R[PSC_POWER] = -3;
+ } else {
+ info->m[PSC_CURRENT_IN] = 13426;
+ info->b[PSC_CURRENT_IN] = 0;
+ info->R[PSC_CURRENT_IN] = -2;
+ info->m[PSC_POWER] = 7238;
+ info->b[PSC_POWER] = 0;
+ info->R[PSC_POWER] = -3;
+ }
+ break;
+ case lm5066:
+ info->m[PSC_VOLTAGE_IN] = 4587;
+ info->b[PSC_VOLTAGE_IN] = 0;
+ info->R[PSC_VOLTAGE_IN] = -2;
+ info->m[PSC_VOLTAGE_OUT] = 4587;
+ info->b[PSC_VOLTAGE_OUT] = 0;
+ info->R[PSC_VOLTAGE_OUT] = -2;
+
+ if (config & LM25066_DEV_SETUP_CL) {
+ info->m[PSC_CURRENT_IN] = 10753;
+ info->b[PSC_CURRENT_IN] = 0;
+ info->R[PSC_CURRENT_IN] = -2;
+ info->m[PSC_POWER] = 1204;
+ info->b[PSC_POWER] = 0;
+ info->R[PSC_POWER] = -3;
+ } else {
+ info->m[PSC_CURRENT_IN] = 5405;
+ info->b[PSC_CURRENT_IN] = 0;
+ info->R[PSC_CURRENT_IN] = -2;
+ info->m[PSC_POWER] = 605;
+ info->b[PSC_POWER] = 0;
+ info->R[PSC_POWER] = -3;
+ }
+ break;
+ default:
+ ret = -ENODEV;
+ goto err_mem;
+ }
+
+ ret = pmbus_do_probe(client, id, info);
+ if (ret)
+ goto err_mem;
+ return 0;
+
+err_mem:
+ kfree(data);
+ return ret;
+}
+
+static int lm25066_remove(struct i2c_client *client)
+{
+ const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
+ const struct lm25066_data *data = to_lm25066_data(info);
+ int ret;
+
+ ret = pmbus_do_remove(client);
+ kfree(data);
+ return ret;
+}
+
+static const struct i2c_device_id lm25066_id[] = {
+ {"lm25066", lm25066},
+ {"lm5064", lm5064},
+ {"lm5066", lm5066},
+ { }
+};
+
+MODULE_DEVICE_TABLE(i2c, lm25066_id);
+
+/* This is the driver that will be inserted */
+static struct i2c_driver lm25066_driver = {
+ .driver = {
+ .name = "lm25066",
+ },
+ .probe = lm25066_probe,
+ .remove = lm25066_remove,
+ .id_table = lm25066_id,
+};
+
+static int __init lm25066_init(void)
+{
+ return i2c_add_driver(&lm25066_driver);
+}
+
+static void __exit lm25066_exit(void)
+{
+ i2c_del_driver(&lm25066_driver);
+}
+
+MODULE_AUTHOR("Guenter Roeck");
+MODULE_DESCRIPTION("PMBus driver for LM25066/LM5064/LM5066");
+MODULE_LICENSE("GPL");
+module_init(lm25066_init);
+module_exit(lm25066_exit);
diff --git a/drivers/hwmon/pmbus/max16064.c b/drivers/hwmon/pmbus/max16064.c
new file mode 100644
index 00000000000..e50b296e8db
--- /dev/null
+++ b/drivers/hwmon/pmbus/max16064.c
@@ -0,0 +1,142 @@
+/*
+ * 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"
+
+#define MAX16064_MFR_VOUT_PEAK 0xd4
+#define MAX16064_MFR_TEMPERATURE_PEAK 0xd6
+
+static int max16064_read_word_data(struct i2c_client *client, int page, int reg)
+{
+ int ret;
+
+ switch (reg) {
+ case PMBUS_VIRT_READ_VOUT_MAX:
+ ret = pmbus_read_word_data(client, page,
+ MAX16064_MFR_VOUT_PEAK);
+ break;
+ case PMBUS_VIRT_READ_TEMP_MAX:
+ ret = pmbus_read_word_data(client, page,
+ MAX16064_MFR_TEMPERATURE_PEAK);
+ break;
+ case PMBUS_VIRT_RESET_VOUT_HISTORY:
+ case PMBUS_VIRT_RESET_TEMP_HISTORY:
+ ret = 0;
+ break;
+ default:
+ ret = -ENODATA;
+ break;
+ }
+ return ret;
+}
+
+static int max16064_write_word_data(struct i2c_client *client, int page,
+ int reg, u16 word)
+{
+ int ret;
+
+ switch (reg) {
+ case PMBUS_VIRT_RESET_VOUT_HISTORY:
+ ret = pmbus_write_word_data(client, page,
+ MAX16064_MFR_VOUT_PEAK, 0);
+ break;
+ case PMBUS_VIRT_RESET_TEMP_HISTORY:
+ ret = pmbus_write_word_data(client, page,
+ MAX16064_MFR_TEMPERATURE_PEAK,
+ 0xffff);
+ break;
+ default:
+ ret = -ENODATA;
+ break;
+ }
+ return ret;
+}
+
+static struct pmbus_driver_info max16064_info = {
+ .pages = 4,
+ .format[PSC_VOLTAGE_IN] = direct,
+ .format[PSC_VOLTAGE_OUT] = direct,
+ .format[PSC_TEMPERATURE] = direct,
+ .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,
+ .read_word_data = max16064_read_word_data,
+ .write_word_data = max16064_write_word_data,
+};
+
+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);
diff --git a/drivers/hwmon/pmbus/max34440.c b/drivers/hwmon/pmbus/max34440.c
new file mode 100644
index 00000000000..fda621d2e45
--- /dev/null
+++ b/drivers/hwmon/pmbus/max34440.c
@@ -0,0 +1,262 @@
+/*
+ * Hardware monitoring driver for Maxim MAX34440/MAX34441
+ *
+ * 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"
+
+enum chips { max34440, max34441 };
+
+#define MAX34440_MFR_VOUT_PEAK 0xd4
+#define MAX34440_MFR_IOUT_PEAK 0xd5
+#define MAX34440_MFR_TEMPERATURE_PEAK 0xd6
+
+#define MAX34440_STATUS_OC_WARN (1 << 0)
+#define MAX34440_STATUS_OC_FAULT (1 << 1)
+#define MAX34440_STATUS_OT_FAULT (1 << 5)
+#define MAX34440_STATUS_OT_WARN (1 << 6)
+
+static int max34440_read_word_data(struct i2c_client *client, int page, int reg)
+{
+ int ret;
+
+ switch (reg) {
+ case PMBUS_VIRT_READ_VOUT_MAX:
+ ret = pmbus_read_word_data(client, page,
+ MAX34440_MFR_VOUT_PEAK);
+ break;
+ case PMBUS_VIRT_READ_IOUT_MAX:
+ ret = pmbus_read_word_data(client, page,
+ MAX34440_MFR_IOUT_PEAK);
+ break;
+ case PMBUS_VIRT_READ_TEMP_MAX:
+ ret = pmbus_read_word_data(client, page,
+ MAX34440_MFR_TEMPERATURE_PEAK);
+ break;
+ case PMBUS_VIRT_RESET_VOUT_HISTORY:
+ case PMBUS_VIRT_RESET_IOUT_HISTORY:
+ case PMBUS_VIRT_RESET_TEMP_HISTORY:
+ ret = 0;
+ break;
+ default:
+ ret = -ENODATA;
+ break;
+ }
+ return ret;
+}
+
+static int max34440_write_word_data(struct i2c_client *client, int page,
+ int reg, u16 word)
+{
+ int ret;
+
+ switch (reg) {
+ case PMBUS_VIRT_RESET_VOUT_HISTORY:
+ ret = pmbus_write_word_data(client, page,
+ MAX34440_MFR_VOUT_PEAK, 0);
+ break;
+ case PMBUS_VIRT_RESET_IOUT_HISTORY:
+ ret = pmbus_write_word_data(client, page,
+ MAX34440_MFR_IOUT_PEAK, 0);
+ break;
+ case PMBUS_VIRT_RESET_TEMP_HISTORY:
+ ret = pmbus_write_word_data(client, page,
+ MAX34440_MFR_TEMPERATURE_PEAK,
+ 0xffff);
+ break;
+ default:
+ ret = -ENODATA;
+ break;
+ }
+ return ret;
+}
+
+static int max34440_read_byte_data(struct i2c_client *client, int page, int reg)
+{
+ int ret;
+ int mfg_status;
+
+ ret = pmbus_set_page(client, page);
+ if (ret < 0)
+ return ret;
+
+ switch (reg) {
+ case PMBUS_STATUS_IOUT:
+ mfg_status = pmbus_read_word_data(client, 0,
+ PMBUS_STATUS_MFR_SPECIFIC);
+ if (mfg_status < 0)
+ return mfg_status;
+ if (mfg_status & MAX34440_STATUS_OC_WARN)
+ ret |= PB_IOUT_OC_WARNING;
+ if (mfg_status & MAX34440_STATUS_OC_FAULT)
+ ret |= PB_IOUT_OC_FAULT;
+ break;
+ case PMBUS_STATUS_TEMPERATURE:
+ mfg_status = pmbus_read_word_data(client, 0,
+ PMBUS_STATUS_MFR_SPECIFIC);
+ if (mfg_status < 0)
+ return mfg_status;
+ if (mfg_status & MAX34440_STATUS_OT_WARN)
+ ret |= PB_TEMP_OT_WARNING;
+ if (mfg_status & MAX34440_STATUS_OT_FAULT)
+ ret |= PB_TEMP_OT_FAULT;
+ break;
+ default:
+ ret = -ENODATA;
+ break;
+ }
+ return ret;
+}
+
+static struct pmbus_driver_info max34440_info[] = {
+ [max34440] = {
+ .pages = 14,
+ .format[PSC_VOLTAGE_IN] = direct,
+ .format[PSC_VOLTAGE_OUT] = direct,
+ .format[PSC_TEMPERATURE] = direct,
+ .format[PSC_CURRENT_OUT] = direct,
+ .m[PSC_VOLTAGE_IN] = 1,
+ .b[PSC_VOLTAGE_IN] = 0,
+ .R[PSC_VOLTAGE_IN] = 3, /* R = 0 in datasheet reflects mV */
+ .m[PSC_VOLTAGE_OUT] = 1,
+ .b[PSC_VOLTAGE_OUT] = 0,
+ .R[PSC_VOLTAGE_OUT] = 3, /* R = 0 in datasheet reflects mV */
+ .m[PSC_CURRENT_OUT] = 1,
+ .b[PSC_CURRENT_OUT] = 0,
+ .R[PSC_CURRENT_OUT] = 3, /* R = 0 in datasheet reflects mA */
+ .m[PSC_TEMPERATURE] = 1,
+ .b[PSC_TEMPERATURE] = 0,
+ .R[PSC_TEMPERATURE] = 2,
+ .func[0] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
+ | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT,
+ .func[1] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
+ | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT,
+ .func[2] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
+ | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT,
+ .func[3] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
+ | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT,
+ .func[4] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
+ | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT,
+ .func[5] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
+ | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT,
+ .func[6] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP,
+ .func[7] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP,
+ .func[8] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP,
+ .func[9] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP,
+ .func[10] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP,
+ .func[11] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP,
+ .func[12] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP,
+ .func[13] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP,
+ .read_byte_data = max34440_read_byte_data,
+ .read_word_data = max34440_read_word_data,
+ .write_word_data = max34440_write_word_data,
+ },
+ [max34441] = {
+ .pages = 12,
+ .format[PSC_VOLTAGE_IN] = direct,
+ .format[PSC_VOLTAGE_OUT] = direct,
+ .format[PSC_TEMPERATURE] = direct,
+ .format[PSC_CURRENT_OUT] = direct,
+ .format[PSC_FAN] = direct,
+ .m[PSC_VOLTAGE_IN] = 1,
+ .b[PSC_VOLTAGE_IN] = 0,
+ .R[PSC_VOLTAGE_IN] = 3,
+ .m[PSC_VOLTAGE_OUT] = 1,
+ .b[PSC_VOLTAGE_OUT] = 0,
+ .R[PSC_VOLTAGE_OUT] = 3,
+ .m[PSC_CURRENT_OUT] = 1,
+ .b[PSC_CURRENT_OUT] = 0,
+ .R[PSC_CURRENT_OUT] = 3,
+ .m[PSC_TEMPERATURE] = 1,
+ .b[PSC_TEMPERATURE] = 0,
+ .R[PSC_TEMPERATURE] = 2,
+ .m[PSC_FAN] = 1,
+ .b[PSC_FAN] = 0,
+ .R[PSC_FAN] = 0,
+ .func[0] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
+ | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT,
+ .func[1] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
+ | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT,
+ .func[2] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
+ | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT,
+ .func[3] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
+ | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT,
+ .func[4] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
+ | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT,
+ .func[5] = PMBUS_HAVE_FAN12 | PMBUS_HAVE_STATUS_FAN12,
+ .func[6] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP,
+ .func[7] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP,
+ .func[8] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP,
+ .func[9] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP,
+ .func[10] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP,
+ .func[11] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP,
+ .read_byte_data = max34440_read_byte_data,
+ .read_word_data = max34440_read_word_data,
+ .write_word_data = max34440_write_word_data,
+ },
+};
+
+static int max34440_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ return pmbus_do_probe(client, id, &max34440_info[id->driver_data]);
+}
+
+static int max34440_remove(struct i2c_client *client)
+{
+ return pmbus_do_remove(client);
+}
+
+static const struct i2c_device_id max34440_id[] = {
+ {"max34440", max34440},
+ {"max34441", max34441},
+ {}
+};
+
+MODULE_DEVICE_TABLE(i2c, max34440_id);
+
+/* This is the driver that will be inserted */
+static struct i2c_driver max34440_driver = {
+ .driver = {
+ .name = "max34440",
+ },
+ .probe = max34440_probe,
+ .remove = max34440_remove,
+ .id_table = max34440_id,
+};
+
+static int __init max34440_init(void)
+{
+ return i2c_add_driver(&max34440_driver);
+}
+
+static void __exit max34440_exit(void)
+{
+ i2c_del_driver(&max34440_driver);
+}
+
+MODULE_AUTHOR("Guenter Roeck");
+MODULE_DESCRIPTION("PMBus driver for Maxim MAX34440/MAX34441");
+MODULE_LICENSE("GPL");
+module_init(max34440_init);
+module_exit(max34440_exit);
diff --git a/drivers/hwmon/pmbus/max8688.c b/drivers/hwmon/pmbus/max8688.c
new file mode 100644
index 00000000000..c3e72f1a3cf
--- /dev/null
+++ b/drivers/hwmon/pmbus/max8688.c
@@