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authorAtif Ofluoglu <mailto:atif.ofluoglu@maximintegrated.com>2022-04-15 16:34:29 +0300
committerGuenter Roeck <linux@roeck-us.net>2022-05-20 10:57:05 -0700
commite5c498ccc90c87155d1f6980cac050d48b8a84b4 (patch)
treef3709f82348dea7a43b67e663f21f58200004b76 /drivers/hwmon
parent229b159c505a7ee5da86f952db1e644b213ccb61 (diff)
hwmon: (pmbus/max16601) Add MAX16602 support
Adding another MAX16602 chip support to MAX16601 driver Tested with MAX16602 works as expected. Signed-off-by: Atif Ofluoglu <atif.ofluoglu@maximintegrated.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon')
-rw-r--r--drivers/hwmon/pmbus/Kconfig4
-rw-r--r--drivers/hwmon/pmbus/max16601.c13
2 files changed, 10 insertions, 7 deletions
diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig
index a2ea1d5a8765..53683d2d0fb2 100644
--- a/drivers/hwmon/pmbus/Kconfig
+++ b/drivers/hwmon/pmbus/Kconfig
@@ -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.
diff --git a/drivers/hwmon/pmbus/max16601.c b/drivers/hwmon/pmbus/max16601.c
index 5a226a564776..b628405e6586 100644
--- a/drivers/hwmon/pmbus/max16601.c
+++ b/drivers/hwmon/pmbus/max16601.c
@@ -1,6 +1,6 @@
// 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);