hwmon: (pmbus/max34440): add support adpm12200

ADPM12200 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 2000W. Uses PMBus.

Signed-off-by: Alexis Czezar Torreno <alexisczezar.torreno@analog.com>
Link: https://lore.kernel.org/r/20251001-hwmon-next-v1-2-f8ca6a648203@analog.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Documentation/hwmon/max34440.rst

@@ -11,6 +11,14 @@ Supported chips:
 
     Datasheet: -
 
+  * ADI ADPM12200
+
+    Prefixes: 'adpm12200'
+
+    Addresses scanned: -
+
+    Datasheet: -
+
   * Maxim MAX34440
 
     Prefixes: 'max34440'
@@ -79,10 +87,11 @@ This driver supports multiple devices: hardware monitoring for Maxim MAX34440
 PMBus 6-Channel Power-Supply Manager, MAX34441 PMBus 5-Channel Power-Supply
 Manager and Intelligent Fan Controller, and MAX34446 PMBus Power-Supply Data
 Logger; PMBus Voltage Monitor and Sequencers for MAX34451, MAX34460, and
-MAX34461; PMBus DC/DC Power Module ADPM12160. The MAX34451 supports monitoring
+MAX34461; PMBus DC/DC Power Module ADPM12160, and ADPM12200. The MAX34451
-voltage or current of 12 channels based on GIN pins. The MAX34460 supports 12
+supports monitoring voltage or current of 12 channels based on GIN pins. The
-voltage channels, and the MAX34461 supports 16 voltage channels. The ADPM1260
+MAX34460 supports 12 voltage channels, and the MAX34461 supports 16 voltage
-also monitors both input and output of voltage and current.
+channels. The ADPM12160, and ADPM12200 also monitors both input and output
+of voltage and current.
 
 The driver is a client driver to the core PMBus driver. Please see
 Documentation/hwmon/pmbus.rst for details on PMBus client drivers.
@@ -140,7 +149,8 @@ in[1-6]_reset_history	Write any value to reset history.
 .. note::
 
     - MAX34446 only supports in[1-4].
-    - ADPM12160 only supports in[1-2]. Label is "vin1" and "vout1" respectively.
+    - ADPM12160, and ADPM12200 only supports in[1-2]. Label is "vin1"
+      and "vout1" respectively.
 
 Curr
 ~~~~
@@ -162,7 +172,8 @@ curr[1-6]_reset_history	Write any value to reset history.
 
     - in6 and curr6 attributes only exist for MAX34440.
     - MAX34446 only supports curr[1-4].
-    - For ADPM12160, curr[1] is "iin1" and curr[2-6] are "iout[1-5].
+    - For ADPM12160, and ADPM12200, curr[1] is "iin1" and curr[2-6]
+      are "iout[1-5]".
 
 Power
 ~~~~~
@@ -198,7 +209,7 @@ temp[1-8]_reset_history	Write any value to reset history.
 .. note::
    - temp7 and temp8 attributes only exist for MAX34440.
    - MAX34446 only supports temp[1-3].
-   - ADPM12160 only supports temp[1].
+   - ADPM12160, and ADPM12200 only supports temp[1].
 
 
 .. note::

drivers/hwmon/pmbus/Kconfig

@@ -361,6 +361,7 @@ config SENSORS_MAX34440
 	help
 	  If you say yes here you get hardware monitoring support for Maxim
 	  MAX34440, MAX34441, MAX34446, MAX34451, MAX34460, and MAX34461.
+	  Other compatible are ADPM12160, and ADPM12200.
 
 	  This driver can also be built as a module. If so, the module will
 	  be called max34440.

drivers/hwmon/pmbus/max34440.c

@@ -17,6 +17,7 @@
 
 enum chips {
 	adpm12160,
+	adpm12200,
 	max34440,
 	max34441,
 	max34446,
@@ -98,7 +99,7 @@ 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 != adpm12160 && data->id != adpm12200)
 			return -ENXIO;
 		ret = pmbus_read_word_data(client, page, phase,
 					   MAX34446_MFR_IOUT_AVG);
@@ -183,7 +184,7 @@ 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 == adpm12160 || data->id == adpm12200))
 			ret = pmbus_write_word_data(client, page,
 					MAX34446_MFR_IOUT_AVG, 0);
 
@@ -364,6 +365,42 @@ static struct pmbus_driver_info max34440_info[] = {
 		.read_word_data = max34440_read_word_data,
 		.write_word_data = max34440_write_word_data,
 	},
+	[adpm12200] = {
+		.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[7] = PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT,
+		.func[8] = 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,
@@ -600,7 +637,7 @@ static int max34440_probe(struct i2c_client *client)
 		rv = max34451_set_supported_funcs(client, data);
 		if (rv)
 			return rv;
-	} else if (data->id == adpm12160) {
+	} else if (data->id == adpm12160 || data->id == adpm12200) {
 		data->iout_oc_fault_limit = PMBUS_IOUT_OC_FAULT_LIMIT;
 		data->iout_oc_warn_limit = PMBUS_IOUT_OC_WARN_LIMIT;
 	}
@@ -610,6 +647,7 @@ static int max34440_probe(struct i2c_client *client)
 
 static const struct i2c_device_id max34440_id[] = {
 	{"adpm12160", adpm12160},
+	{"adpm12200", adpm12200},
 	{"max34440", max34440},
 	{"max34441", max34441},
 	{"max34446", max34446},