hwmon: (pmbus/max34440): add support adpm12250

ADPM12250 is a quarter brick DC/DC Power Module. It is a high power
non-isolated converter capable of delivering regulated 12V with
continuous power level of 2500W. Uses PMBus.

Signed-off-by: Alexis Czezar Torreno <alexisczezar.torreno@analog.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20260610-dev-adpm12250-v1-1-422760bb80da@analog.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

1 files changed, 42 insertions, 3 deletions

diff --git a/drivers/hwmon/pmbus/max34440.c b/drivers/hwmon/pmbus/max34440.c
index 4525b9fc5626..74876d2207fb 100644
--- a/drivers/hwmon/pmbus/max34440.c
+++ b/drivers/hwmon/pmbus/max34440.c
@@ -18,6 +18,7 @@
 enum chips {
 	adpm12160,
 	adpm12200,
+	adpm12250,
 	max34440,
 	max34441,
 	max34446,
@@ -97,7 +98,8 @@ static int max34440_read_word_data(struct i2c_client *client, int page,
 		break;
 	case PMBUS_VIRT_READ_IOUT_AVG:
 		if (data->id != max34446 && data->id != max34451 &&
-		    data->id != adpm12160 && data->id != adpm12200)
+		    data->id != adpm12160 && data->id != adpm12200 &&
+		    data->id != adpm12250)
 			return -ENXIO;
 		ret = pmbus_read_word_data(client, page, phase,
 					   MAX34446_MFR_IOUT_AVG);
@@ -182,7 +184,8 @@ static int max34440_write_word_data(struct i2c_client *client, int page,
 		ret = pmbus_write_word_data(client, page,
 					    MAX34440_MFR_IOUT_PEAK, 0);
 		if (!ret && (data->id == max34446 || data->id == max34451 ||
-			     data->id == adpm12160 || data->id == adpm12200))
+			     data->id == adpm12160 || data->id == adpm12200 ||
+			     data->id == adpm12250))
 			ret = pmbus_write_word_data(client, page,
 					MAX34446_MFR_IOUT_AVG, 0);
 
@@ -399,6 +402,40 @@ static struct pmbus_driver_info max34440_info[] = {
 		.read_word_data = max34440_read_word_data,
 		.write_word_data = max34440_write_word_data,
 	},
+	[adpm12250] = {
+		.pages = 19,
+		.format[PSC_VOLTAGE_IN] = direct,
+		.format[PSC_VOLTAGE_OUT] = direct,
+		.format[PSC_CURRENT_IN] = direct,
+		.format[PSC_CURRENT_OUT] = direct,
+		.format[PSC_TEMPERATURE] = direct,
+		.m[PSC_VOLTAGE_IN] = 125,
+		.b[PSC_VOLTAGE_IN] = 0,
+		.R[PSC_VOLTAGE_IN] = 0,
+		.m[PSC_VOLTAGE_OUT] = 125,
+		.b[PSC_VOLTAGE_OUT] = 0,
+		.R[PSC_VOLTAGE_OUT] = 0,
+		.m[PSC_CURRENT_IN] = 250,
+		.b[PSC_CURRENT_IN] = 0,
+		.R[PSC_CURRENT_IN] = -1,
+		.m[PSC_CURRENT_OUT] = 250,
+		.b[PSC_CURRENT_OUT] = 0,
+		.R[PSC_CURRENT_OUT] = -1,
+		.m[PSC_TEMPERATURE] = 1,
+		.b[PSC_TEMPERATURE] = 0,
+		.R[PSC_TEMPERATURE] = 2,
+		/* absent func below [18] are not for monitoring */
+		.func[2] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT,
+		.func[4] = PMBUS_HAVE_STATUS_IOUT,
+		.func[5] = PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT,
+		.func[6] = PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT,
+		.func[9] = PMBUS_HAVE_VIN | PMBUS_HAVE_STATUS_INPUT,
+		.func[10] = PMBUS_HAVE_IIN | PMBUS_HAVE_STATUS_INPUT,
+		.func[14] = PMBUS_HAVE_IOUT,
+		.func[18] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP,
+		.read_word_data = max34440_read_word_data,
+		.write_word_data = max34440_write_word_data,
+	},
 	[max34440] = {
 		.pages = 14,
 		.format[PSC_VOLTAGE_IN] = direct,
@@ -635,7 +672,8 @@ static int max34440_probe(struct i2c_client *client)
 		rv = max34451_set_supported_funcs(client, data);
 		if (rv)
 			return rv;
-	} else if (data->id == adpm12160 || data->id == adpm12200) {
+	} else if (data->id == adpm12160 || data->id == adpm12200 ||
+		   data->id == adpm12250) {
 		data->iout_oc_fault_limit = PMBUS_IOUT_OC_FAULT_LIMIT;
 		data->iout_oc_warn_limit = PMBUS_IOUT_OC_WARN_LIMIT;
 	}
@@ -646,6 +684,7 @@ static int max34440_probe(struct i2c_client *client)
 static const struct i2c_device_id max34440_id[] = {
 	{ .name = "adpm12160", .driver_data = adpm12160 },
 	{ .name = "adpm12200", .driver_data = adpm12200 },
+	{ .name = "adpm12250", .driver_data = adpm12250 },
 	{ .name = "max34440", .driver_data = max34440 },
 	{ .name = "max34441", .driver_data = max34441 },
 	{ .name = "max34446", .driver_data = max34446 },