1 // SPDX-License-Identifier: GPL-2.0-only
3  * MFD core driver for the X-Powers' Power Management ICs
5  * AXP20x typically comprises an adaptive USB-Compatible PWM charger, BUCK DC-DC
6  * converters, LDOs, multiple 12-bit ADCs of voltage, current and temperature
41 	[AXP221_ID] = "AXP221",
940 		.name		= "axp192-adc",
941 		.of_compatible	= "x-powers,axp192-adc",
943 		.name		= "axp20x-battery-power-supply",
944 		.of_compatible	= "x-powers,axp192-battery-power-supply",
946 		.name		= "axp20x-ac-power-supply",
947 		.of_compatible	= "x-powers,axp202-ac-power-supply",
951 		.name		= "axp20x-usb-power-supply",
952 		.of_compatible	= "x-powers,axp192-usb-power-supply",
956 	{	.name		= "axp20x-regulator" },
961 		.name		= "axp20x-gpio",
962 		.of_compatible	= "x-powers,axp209-gpio",
964 		.name		= "axp20x-pek",
968 		.name		= "axp20x-regulator",
970 		.name		= "axp20x-adc",
971 		.of_compatible	= "x-powers,axp209-adc",
973 		.name		= "axp20x-battery-power-supply",
974 		.of_compatible	= "x-powers,axp209-battery-power-supply",
976 		.name		= "axp20x-ac-power-supply",
977 		.of_compatible	= "x-powers,axp202-ac-power-supply",
981 		.name		= "axp20x-usb-power-supply",
982 		.of_compatible	= "x-powers,axp202-usb-power-supply",
990 		.name		= "axp20x-gpio",
991 		.of_compatible	= "x-powers,axp221-gpio",
993 		.name		= "axp221-pek",
997 		.name		= "axp20x-regulator",
999 		.name		= "axp22x-adc",
1000 		.of_compatible	= "x-powers,axp221-adc",
1002 		.name		= "axp20x-ac-power-supply",
1003 		.of_compatible	= "x-powers,axp221-ac-power-supply",
1007 		.name		= "axp20x-battery-power-supply",
1008 		.of_compatible	= "x-powers,axp221-battery-power-supply",
1010 		.name		= "axp20x-usb-power-supply",
1011 		.of_compatible	= "x-powers,axp221-usb-power-supply",
1019 		.name		= "axp20x-gpio",
1020 		.of_compatible	= "x-powers,axp221-gpio",
1022 		.name		= "axp221-pek",
1026 		.name		= "axp22x-adc",
1027 		.of_compatible	= "x-powers,axp221-adc",
1029 		.name		= "axp20x-battery-power-supply",
1030 		.of_compatible	= "x-powers,axp221-battery-power-supply",
1032 		.name		= "axp20x-regulator",
1034 		.name		= "axp20x-ac-power-supply",
1035 		.of_compatible	= "x-powers,axp221-ac-power-supply",
1039 		.name		= "axp20x-usb-power-supply",
1040 		.of_compatible	= "x-powers,axp223-usb-power-supply",
1048 		.name		= "axp20x-pek",
1055 	MFD_CELL_NAME("axp20x-regulator"),
1056 	MFD_CELL_RES("axp313a-pek", axp313a_pek_resources),
1060 	MFD_CELL_NAME("axp20x-regulator"),
1061 	MFD_CELL_RES("axp20x-pek", axp717_pek_resources),
1062 	MFD_CELL_OF("axp717-adc",
1063 		    NULL, NULL, 0, 0, "x-powers,axp717-adc"),
1064 	MFD_CELL_OF("axp20x-usb-power-supply",
1066 		    "x-powers,axp717-usb-power-supply"),
1067 	MFD_CELL_OF("axp20x-battery-power-supply",
1068 		    NULL, NULL, 0, 0, "x-powers,axp717-battery-power-supply"),
1097 	PROPERTY_ENTRY_STRING_ARRAY("supplied-from", axp288_fuel_gauge_suppliers),
1125 		.name		= "axp221-pek",
1135 		.name		= "axp221-pek",
1139 		.name		= "axp20x-gpio",
1140 		.of_compatible	= "x-powers,axp813-gpio",
1142 		.name		= "axp813-adc",
1143 		.of_compatible	= "x-powers,axp813-adc",
1145 		.name		= "axp20x-battery-power-supply",
1146 		.of_compatible	= "x-powers,axp813-battery-power-supply",
1148 		.name		= "axp20x-ac-power-supply",
1149 		.of_compatible	= "x-powers,axp813-ac-power-supply",
1153 		.name		= "axp20x-usb-power-supply",
1156 		.of_compatible	= "x-powers,axp813-usb-power-supply",
1158 	{	.name		= "axp20x-regulator" },
1163 		.name		= "axp221-pek",
1167 	{	.name		= "axp20x-regulator" },
1173 		.name		= "axp20x-regulator",
1179 		.name		= "axp20x-gpio",
1180 		.of_compatible	= "x-powers,axp221-gpio",
1182 		.name		= "axp221-pek",
1187 		.name		= "axp20x-regulator",
1193 		.name		= "axp221-pek",
1197 		.name		= "axp20x-regulator",
1199 		.name		= "axp20x-gpio",
1200 		.of_compatible	= "x-powers,axp813-gpio",
1202 		.name		= "axp813-adc",
1203 		.of_compatible	= "x-powers,axp813-adc",
1205 		.name		= "axp20x-battery-power-supply",
1206 		.of_compatible	= "x-powers,axp813-battery-power-supply",
1208 		.name		= "axp20x-ac-power-supply",
1209 		.of_compatible	= "x-powers,axp813-ac-power-supply",
1213 		.name		= "axp20x-usb-power-supply",
1216 		.of_compatible	= "x-powers,axp813-usb-power-supply",
1222 		.name		= "axp221-pek",
1226 		.name		= "axp20x-regulator",
1233 		.name		= "axp20x-regulator",
1239 	struct axp20x_dev *axp20x = data->cb_data;  in axp20x_power_off()
1242 	switch (axp20x->variant) {  in axp20x_power_off()
1252 	regmap_write(axp20x->regmap, shutdown_reg, AXP20X_OFF);  in axp20x_power_off()
1262 	struct device *dev = axp20x->dev;  in axp20x_match_device()
1266 	axp20x->variant = (long)device_get_match_data(dev);  in axp20x_match_device()
1267 	switch (axp20x->variant) {  in axp20x_match_device()
1269 		axp20x->nr_cells = ARRAY_SIZE(axp152_cells);  in axp20x_match_device()
1270 		axp20x->cells = axp152_cells;  in axp20x_match_device()
1271 		axp20x->regmap_cfg = &axp152_regmap_config;  in axp20x_match_device()
1272 		axp20x->regmap_irq_chip = &axp152_regmap_irq_chip;  in axp20x_match_device()
1275 		axp20x->nr_cells = ARRAY_SIZE(axp192_cells);  in axp20x_match_device()
1276 		axp20x->cells = axp192_cells;  in axp20x_match_device()
1277 		axp20x->regmap_cfg = &axp192_regmap_config;  in axp20x_match_device()
1278 		axp20x->regmap_irq_chip = &axp192_regmap_irq_chip;  in axp20x_match_device()
1282 		axp20x->nr_cells = ARRAY_SIZE(axp20x_cells);  in axp20x_match_device()
1283 		axp20x->cells = axp20x_cells;  in axp20x_match_device()
1284 		axp20x->regmap_cfg = &axp20x_regmap_config;  in axp20x_match_device()
1285 		axp20x->regmap_irq_chip = &axp20x_regmap_irq_chip;  in axp20x_match_device()
1288 		axp20x->nr_cells = ARRAY_SIZE(axp221_cells);  in axp20x_match_device()
1289 		axp20x->cells = axp221_cells;  in axp20x_match_device()
1290 		axp20x->regmap_cfg = &axp22x_regmap_config;  in axp20x_match_device()
1291 		axp20x->regmap_irq_chip = &axp22x_regmap_irq_chip;  in axp20x_match_device()
1294 		axp20x->nr_cells = ARRAY_SIZE(axp223_cells);  in axp20x_match_device()
1295 		axp20x->cells = axp223_cells;  in axp20x_match_device()
1296 		axp20x->regmap_cfg = &axp22x_regmap_config;  in axp20x_match_device()
1297 		axp20x->regmap_irq_chip = &axp22x_regmap_irq_chip;  in axp20x_match_device()
1300 		axp20x->cells = axp288_cells;  in axp20x_match_device()
1301 		axp20x->nr_cells = ARRAY_SIZE(axp288_cells);  in axp20x_match_device()
1302 		axp20x->regmap_cfg = &axp288_regmap_config;  in axp20x_match_device()
1303 		axp20x->regmap_irq_chip = &axp288_regmap_irq_chip;  in axp20x_match_device()
1304 		axp20x->irq_flags = IRQF_TRIGGER_LOW;  in axp20x_match_device()
1307 		axp20x->nr_cells = ARRAY_SIZE(axp313a_cells);  in axp20x_match_device()
1308 		axp20x->cells = axp313a_cells;  in axp20x_match_device()
1309 		axp20x->regmap_cfg = &axp313a_regmap_config;  in axp20x_match_device()
1310 		axp20x->regmap_irq_chip = &axp313a_regmap_irq_chip;  in axp20x_match_device()
1313 		axp20x->nr_cells = ARRAY_SIZE(axp313a_cells);  in axp20x_match_device()
1314 		axp20x->cells = axp313a_cells;  in axp20x_match_device()
1315 		axp20x->regmap_cfg = &axp323_regmap_config;  in axp20x_match_device()
1316 		axp20x->regmap_irq_chip = &axp313a_regmap_irq_chip;  in axp20x_match_device()
1319 		axp20x->nr_cells = ARRAY_SIZE(axp717_cells);  in axp20x_match_device()
1320 		axp20x->cells = axp717_cells;  in axp20x_match_device()
1321 		axp20x->regmap_cfg = &axp717_regmap_config;  in axp20x_match_device()
1322 		axp20x->regmap_irq_chip = &axp717_regmap_irq_chip;  in axp20x_match_device()
1325 		axp20x->nr_cells = ARRAY_SIZE(axp803_cells);  in axp20x_match_device()
1326 		axp20x->cells = axp803_cells;  in axp20x_match_device()
1327 		axp20x->regmap_cfg = &axp288_regmap_config;  in axp20x_match_device()
1328 		axp20x->regmap_irq_chip = &axp803_regmap_irq_chip;  in axp20x_match_device()
1335 		if (of_property_read_bool(axp20x->dev->of_node,  in axp20x_match_device()
1336 					  "x-powers,self-working-mode")) {  in axp20x_match_device()
1337 			axp20x->nr_cells = ARRAY_SIZE(axp806_self_working_cells);  in axp20x_match_device()
1338 			axp20x->cells = axp806_self_working_cells;  in axp20x_match_device()
1340 			axp20x->nr_cells = ARRAY_SIZE(axp806_cells);  in axp20x_match_device()
1341 			axp20x->cells = axp806_cells;  in axp20x_match_device()
1345 		axp20x->regmap_cfg = &axp806_regmap_config;  in axp20x_match_device()
1346 		axp20x->regmap_irq_chip = &axp806_regmap_irq_chip;  in axp20x_match_device()
1349 		axp20x->nr_cells = ARRAY_SIZE(axp809_cells);  in axp20x_match_device()
1350 		axp20x->cells = axp809_cells;  in axp20x_match_device()
1351 		axp20x->regmap_cfg = &axp22x_regmap_config;  in axp20x_match_device()
1352 		axp20x->regmap_irq_chip = &axp809_regmap_irq_chip;  in axp20x_match_device()
1355 		axp20x->nr_cells = ARRAY_SIZE(axp813_cells);  in axp20x_match_device()
1356 		axp20x->cells = axp813_cells;  in axp20x_match_device()
1357 		axp20x->regmap_cfg = &axp288_regmap_config;  in axp20x_match_device()
1365 		axp20x->regmap_irq_chip = &axp803_regmap_irq_chip;  in axp20x_match_device()
1368 		axp20x->nr_cells = ARRAY_SIZE(axp15060_cells);  in axp20x_match_device()
1369 		axp20x->cells = axp15060_cells;  in axp20x_match_device()
1370 		axp20x->regmap_cfg = &axp15060_regmap_config;  in axp20x_match_device()
1371 		axp20x->regmap_irq_chip = &axp15060_regmap_irq_chip;  in axp20x_match_device()
1374 		dev_err(dev, "unsupported AXP20X ID %u\n", axp20x->variant);  in axp20x_match_device()
1375 		return -EINVAL;  in axp20x_match_device()
1381 	 * The default is the safe "regulator-only", as this works fine without  in axp20x_match_device()
1384 	if (axp20x->irq <= 0) {  in axp20x_match_device()
1386 			axp20x->nr_cells = nr_cells_no_irq;  in axp20x_match_device()
1387 			axp20x->cells = cells_no_irq;  in axp20x_match_device()
1389 			axp20x->nr_cells = ARRAY_SIZE(axp_regulator_only_cells);  in axp20x_match_device()
1390 			axp20x->cells = axp_regulator_only_cells;  in axp20x_match_device()
1395 		 axp20x_model_names[axp20x->variant]);  in axp20x_match_device()
1412 	 * AXP806_REG_ADDR_EXT, registers. The former is read-only, with  in axp20x_device_probe()
1421 	 * property "x-powers,master-mode" to override the default.  in axp20x_device_probe()
1423 	if (axp20x->variant == AXP806_ID) {  in axp20x_device_probe()
1424 		if (of_property_read_bool(axp20x->dev->of_node,  in axp20x_device_probe()
1425 					  "x-powers,master-mode") ||  in axp20x_device_probe()
1426 		    of_property_read_bool(axp20x->dev->of_node,  in axp20x_device_probe()
1427 					  "x-powers,self-working-mode"))  in axp20x_device_probe()
1428 			regmap_write(axp20x->regmap, AXP806_REG_ADDR_EXT,  in axp20x_device_probe()
1431 			regmap_write(axp20x->regmap, AXP806_REG_ADDR_EXT,  in axp20x_device_probe()
1436 	if (axp20x->irq > 0) {  in axp20x_device_probe()
1437 		ret = regmap_add_irq_chip(axp20x->regmap, axp20x->irq,  in axp20x_device_probe()
1438 				IRQF_ONESHOT | IRQF_SHARED | axp20x->irq_flags,  in axp20x_device_probe()
1439 				-1, axp20x->regmap_irq_chip,  in axp20x_device_probe()
1440 				&axp20x->regmap_irqc);  in axp20x_device_probe()
1442 			dev_err(axp20x->dev, "failed to add irq chip: %d\n",  in axp20x_device_probe()
1448 	ret = mfd_add_devices(axp20x->dev, PLATFORM_DEVID_NONE, axp20x->cells,  in axp20x_device_probe()
1449 			      axp20x->nr_cells, NULL, 0, NULL);  in axp20x_device_probe()
1452 		dev_err(axp20x->dev, "failed to add MFD devices: %d\n", ret);  in axp20x_device_probe()
1453 		regmap_del_irq_chip(axp20x->irq, axp20x->regmap_irqc);  in axp20x_device_probe()
1457 	if (axp20x->variant != AXP288_ID)  in axp20x_device_probe()
1458 		devm_register_power_off_handler(axp20x->dev, axp20x_power_off, axp20x);  in axp20x_device_probe()
1460 	dev_info(axp20x->dev, "AXP20X driver loaded\n");  in axp20x_device_probe()
1468 	mfd_remove_devices(axp20x->dev);  in axp20x_device_remove()
1469 	regmap_del_irq_chip(axp20x->irq, axp20x->regmap_irqc);  in axp20x_device_remove()