Commit e5c498cc authored by Atif Ofluoglu's avatar Atif Ofluoglu Committed by Guenter Roeck
Browse files

hwmon: (pmbus/max16601) Add MAX16602 support 



Adding another MAX16602 chip support to MAX16601 driver
Tested with MAX16602 works as expected.

Signed-off-by: default avatarAtif Ofluoglu <atif.ofluoglu@maximintegrated.com>
Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent 229b159c

Documentation/hwmon/max16601.rst

+8 −0
Original line number Diff line number Diff line
@@ -21,6 +21,14 @@ Supported chips: 


    Datasheet: Not published



  * Maxim MAX16602



    Prefix: 'max16602'



    Addresses scanned: -



    Datasheet: https://datasheets.maximintegrated.com/en/ds/MAX16602.pdf



Author: Guenter Roeck <linux@roeck-us.net>

drivers/hwmon/pmbus/Kconfig

+2 −2
Original line number Diff line number Diff line
@@ -228,10 +228,10 @@ config SENSORS_MAX16064 
	  be called max16064.



config SENSORS_MAX16601

	tristate "Maxim MAX16508, MAX16601"

	tristate "Maxim MAX16508, MAX16601, MAX16602"

	help

	  If you say yes here you get hardware monitoring support for Maxim

	  MAX16508 and MAX16601.

	  MAX16508, MAX16601 and MAX16602.



	  This driver can also be built as a module. If so, the module will

	  be called max16601.

drivers/hwmon/pmbus/max16601.c

+8 −5
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0

/*

 * Hardware monitoring driver for Maxim MAX16508 and MAX16601.

 * Hardware monitoring driver for Maxim MAX16508, MAX16601 and MAX16602.

 *

 * Implementation notes:

 *
@@ -31,7 +31,7 @@ 


#include "pmbus.h"



enum chips { max16508, max16601 };

enum chips { max16508, max16601, max16602 };



#define REG_DEFAULT_NUM_POP	0xc4

#define REG_SETPT_DVID		0xd1
@@ -202,7 +202,7 @@ static int max16601_identify(struct i2c_client *client, 
	else

		info->vrm_version[0] = vr12;



	if (data->id != max16601)

	if (data->id != max16601 && data->id != max16602)

		return 0;



	reg = i2c_smbus_read_byte_data(client, REG_DEFAULT_NUM_POP);
@@ -264,6 +264,7 @@ static void max16601_remove(void *_data) 
static const struct i2c_device_id max16601_id[] = {

	{"max16508", max16508},

	{"max16601", max16601},

	{"max16602", max16602},

	{}

};

MODULE_DEVICE_TABLE(i2c, max16601_id);
@@ -280,13 +281,15 @@ static int max16601_get_id(struct i2c_client *client) 
		return -ENODEV;



	/*

	 * PMBUS_IC_DEVICE_ID is expected to return "MAX16601y.xx"

	 * or "MAX16500y.xx".

	 * PMBUS_IC_DEVICE_ID is expected to return "MAX16601y.xx" or

	 * MAX16602y.xx or "MAX16500y.xx".cdxxcccccccccc

	 */

	if (!strncmp(buf, "MAX16500", 8)) {

		id = max16508;

	} else if (!strncmp(buf, "MAX16601", 8)) {

		id = max16601;

	} else if (!strncmp(buf, "MAX16602", 8)) {

		id = max16602;

	} else {

		buf[ret] = '\0';

		dev_err(dev, "Unsupported chip '%s'\n", buf);