Mailing List Archive

Adding support for adm1281 which is similar to adm1275

Signed-off-by: Jose Ramon San Buenaventura <jose.sanbuenaventura@analog.com>
---
Documentation/hwmon/adm1275.rst | 14 +++++++++++---
drivers/hwmon/pmbus/Kconfig | 4 ++--
drivers/hwmon/pmbus/adm1275.c | 7 +++++--
3 files changed, 18 insertions(+), 7 deletions(-)

diff --git a/Documentation/hwmon/adm1275.rst b/Documentation/hwmon/adm1275.rst
index 804590eea..467daf8ce 100644
--- a/Documentation/hwmon/adm1275.rst
+++ b/Documentation/hwmon/adm1275.rst
@@ -43,6 +43,14 @@ Supported chips:

Datasheet: www.analog.com/static/imported-files/data_sheets/ADM1278.pdf

+ * Analog Devices ADM1281
+
+ Prefix: 'adm1281'
+
+ Addresses scanned: -
+
+ Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/adm1281.pdf
+
* Analog Devices ADM1293/ADM1294

Prefix: 'adm1293', 'adm1294'
@@ -58,10 +66,10 @@ Description
-----------

This driver supports hardware monitoring for Analog Devices ADM1075, ADM1272,
-ADM1275, ADM1276, ADM1278, ADM1293, and ADM1294 Hot-Swap Controller and
+ADM1275, ADM1276, ADM1278, ADM1281, ADM1293, and ADM1294 Hot-Swap Controller and
Digital Power Monitors.

-ADM1075, ADM1272, ADM1275, ADM1276, ADM1278, ADM1293, and ADM1294 are hot-swap
+ADM1075, ADM1272, ADM1275, ADM1276, ADM1278, ADM1281, ADM1293, and ADM1294 are hot-swap
controllers that allow a circuit board to be removed from or inserted into
a live backplane. They also feature current and voltage readback via an
integrated 12 bit analog-to-digital converter (ADC), accessed using a
@@ -144,5 +152,5 @@ temp1_highest Highest observed temperature.
temp1_reset_history Write any value to reset history.

Temperature attributes are supported on ADM1272 and
- ADM1278.
+ ADM1278, and ADM1281.
======================= =======================================================
diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig
index 557ae0c41..9c1d0d7d5 100644
--- a/drivers/hwmon/pmbus/Kconfig
+++ b/drivers/hwmon/pmbus/Kconfig
@@ -51,8 +51,8 @@ config SENSORS_ADM1275
tristate "Analog Devices ADM1275 and compatibles"
help
If you say yes here you get hardware monitoring support for Analog
- Devices ADM1075, ADM1272, ADM1275, ADM1276, ADM1278, ADM1293,
- and ADM1294 Hot-Swap Controller and Digital Power Monitors.
+ Devices ADM1075, ADM1272, ADM1275, ADM1276, ADM1278, ADM1281,
+ ADM1293, and ADM1294 Hot-Swap Controller and Digital Power Monitors.

This driver can also be built as a module. If so, the module will
be called adm1275.
diff --git a/drivers/hwmon/pmbus/adm1275.c b/drivers/hwmon/pmbus/adm1275.c
index e2c61d6fa..59ffc0828 100644
--- a/drivers/hwmon/pmbus/adm1275.c
+++ b/drivers/hwmon/pmbus/adm1275.c
@@ -18,7 +18,7 @@
#include <linux/log2.h>
#include "pmbus.h"

-enum chips { adm1075, adm1272, adm1275, adm1276, adm1278, adm1293, adm1294 };
+enum chips { adm1075, adm1272, adm1275, adm1276, adm1278, adm1281, adm1293, adm1294 };

#define ADM1275_MFR_STATUS_IOUT_WARN2 BIT(0)
#define ADM1293_MFR_STATUS_VAUX_UV_WARN BIT(5)
@@ -482,6 +482,7 @@ static const struct i2c_device_id adm1275_id[] = {
{ "adm1275", adm1275 },
{ "adm1276", adm1276 },
{ "adm1278", adm1278 },
+ { "adm1281", adm1281 },
{ "adm1293", adm1293 },
{ "adm1294", adm1294 },
{ }
@@ -555,7 +556,8 @@ static int adm1275_probe(struct i2c_client *client)
client->name, mid->name);

if (mid->driver_data == adm1272 || mid->driver_data == adm1278 ||
- mid->driver_data == adm1293 || mid->driver_data == adm1294)
+ mid->driver_data == adm1281 || mid->driver_data == adm1293 ||
+ mid->driver_data == adm1294)
config_read_fn = i2c_smbus_read_word_data;
else
config_read_fn = i2c_smbus_read_byte_data;
@@ -703,6 +705,7 @@ static int adm1275_probe(struct i2c_client *client)
PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT;
break;
case adm1278:
+ case adm1281:
data->have_vout = true;
data->have_pin_max = true;
data->have_temp_max = true;
--
2.39.2