Commit 91630090 authored by Jose Ramon San Buenaventura's avatar Jose Ramon San Buenaventura Committed by Guenter Roeck
Browse files

hwmon: (pmbus/adm1275) add adm1281 support 



Add support for adm1281 which is similar to adm1275 and other chips
of the series.

Signed-off-by: default avatarJose Ramon San Buenaventura <jose.sanbuenaventura@analog.com>
Link: https://lore.kernel.org/r/20240425070948.25788-3-jose.sanbuenaventura@analog.com


Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent 379bb1f4

Documentation/hwmon/adm1275.rst

+11 −3
Original line number Diff line number Diff line
@@ -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.

======================= =======================================================

drivers/hwmon/pmbus/Kconfig

+2 −2
Original line number Diff line number Diff line
@@ -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.

drivers/hwmon/pmbus/adm1275.c

+5 −2
Original line number Diff line number Diff line
@@ -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;