Merge tag 'mfd-next-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones: "New Drivers: - Add support for TI TPS6594/TPS6593/LP8764 PMICs - Add support for Samsung RT5033 Battery Charger - Add support for Analog Devices MAX77540 and MAX77541 PMICs New Device Support: - Add support for SPI to Rockchip RK808 (and friends) - Add support for AXP192 PMIC to X-Powers AXP20X - Add support for AXP313a PMIC to X-Powers AXP20X - Add support for RK806 to Rockchip RK8XX Removed Device Support: - Removed MFD support for Richtek RT5033 Battery Fix-ups: - Remove superfluous code - Switch I2C drivers from .probe_new() to .probe() - Convert over to managed resources (devm_*(), etc) - Use dev_err_probe() for returning errors from .probe() - Add lots of Device Tree bindings / support - Improve cache efficiency by switching to Maple - Use own exported namespaces (NS) - Include missing and remove superfluous headers - Start using / convert to the new shutdown sys-off API - Trivial: variable / define renaming - Make use of of_property_read_reg() when requesting DT 'reg's Bug Fixes: - Fix chip revision readout due to incorrect data masking - Amend incorrect register and mask values used for charger state - Hide unused functionality at compile time - Fix resource leaks following error handling routines - Return correct error values and fix error handling in general - Repair incorrect device names - used for device matching - Remedy broken module auto-loading" * tag 'mfd-next-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (51 commits) dt-bindings: mfd: max77541: Add ADI MAX77541/MAX77540 iio: adc: max77541: Add ADI MAX77541 ADC Support regulator: max77541: Add ADI MAX77541/MAX77540 Regulator Support dt-bindings: regulator: max77541: Add ADI MAX77541/MAX77540 Regulator mfd: Switch two more drivers back to use struct i2c_driver::probe dt-bindings: mfd: samsung,s5m8767: Simplify excluding properties mfd: stmpe: Only disable the regulators if they are enabled mfd: max77541: Add ADI MAX77541/MAX77540 PMIC Support dt-bindings: mfd: gateworks-gsc: Remove unnecessary fan-controller nodes mfd: core: Use of_property_read_reg() to parse "reg" mfd: stmfx: Nullify stmfx->vdd in case of error mfd: stmfx: Fix error path in stmfx_chip_init mfd: intel-lpss: Add missing check for platform_get_resource mfd: stpmic1: Add PMIC poweroff via sys-off handler mfd: stpmic1: Fixup main control register and bits naming dt-bindings: mfd: qcom,tcsr: Add the compatible for IPQ8074 mfd: tps65219: Add support for soft shutdown via sys-off API mfd: pm8008: Drop bogus i2c module alias mfd: pm8008: Fix module autoloading mfd: tps65219: Add GPIO cell instance ...
author: Linus Torvalds <torvalds@linux-foundation.org> 2023-07-03 10:55:04 -0700
committer: Linus Torvalds <torvalds@linux-foundation.org> 2023-07-03 10:55:04 -0700
commit: b8ec70ab66b09ee9e081a38b8625b5accb388176 (patch)
tree: ee13f3d46b30172e769e86c70ac701a8bf68fb5a /drivers
parent: 99bdeae21d254056a1072cb6de19e6f9b7f52496 (diff)
parent: b05740d71bd2f8b2261930944bfe95f529190b8b (diff)
125 files changed, 1590 insertions, 198 deletions
diff --git a/drivers/fpga/intel-m10-bmc-sec-update.c b/drivers/fpga/intel-m10-bmc-sec-update.c
index d7e2f9f461bc..31af2e08c825 100644
--- a/drivers/fpga/intel-m10-bmc-sec-update.c
+++ b/drivers/fpga/intel-m10-bmc-sec-update.c
@@ -376,12 +376,11 @@ static enum fw_upload_err rsu_update_init(struct m10bmc_sec *sec)
 	u32 doorbell_reg, progress, status;
 	int ret, err;
 
-	ret = regmap_update_bits(sec->m10bmc->regmap,
-				 csr_map->base + csr_map->doorbell,
-				 DRBL_RSU_REQUEST | DRBL_HOST_STATUS,
-				 DRBL_RSU_REQUEST |
-				 FIELD_PREP(DRBL_HOST_STATUS,
-					    HOST_STATUS_IDLE));
+	ret = m10bmc_sys_update_bits(sec->m10bmc, csr_map->doorbell,
+				     DRBL_RSU_REQUEST | DRBL_HOST_STATUS,
+				     DRBL_RSU_REQUEST |
+				     FIELD_PREP(DRBL_HOST_STATUS,
+						HOST_STATUS_IDLE));
 	if (ret)
 		return FW_UPLOAD_ERR_RW_ERROR;
 
@@ -450,11 +449,10 @@ static enum fw_upload_err rsu_send_data(struct m10bmc_sec *sec)
 	u32 doorbell_reg, status;
 	int ret;
 
-	ret = regmap_update_bits(sec->m10bmc->regmap,
-				 csr_map->base + csr_map->doorbell,
-				 DRBL_HOST_STATUS,
-				 FIELD_PREP(DRBL_HOST_STATUS,
-					    HOST_STATUS_WRITE_DONE));
+	ret = m10bmc_sys_update_bits(sec->m10bmc, csr_map->doorbell,
+				     DRBL_HOST_STATUS,
+				     FIELD_PREP(DRBL_HOST_STATUS,
+						HOST_STATUS_WRITE_DONE));
 	if (ret)
 		return FW_UPLOAD_ERR_RW_ERROR;
 
@@ -517,11 +515,10 @@ static enum fw_upload_err rsu_cancel(struct m10bmc_sec *sec)
 	if (rsu_prog(doorbell) != RSU_PROG_READY)
 		return FW_UPLOAD_ERR_BUSY;
 
-	ret = regmap_update_bits(sec->m10bmc->regmap,
-				 csr_map->base + csr_map->doorbell,
-				 DRBL_HOST_STATUS,
-				 FIELD_PREP(DRBL_HOST_STATUS,
-					    HOST_STATUS_ABORT_RSU));
+	ret = m10bmc_sys_update_bits(sec->m10bmc, csr_map->doorbell,
+				     DRBL_HOST_STATUS,
+				     FIELD_PREP(DRBL_HOST_STATUS,
+						HOST_STATUS_ABORT_RSU));
 	if (ret)
 		return FW_UPLOAD_ERR_RW_ERROR;
 
@@ -547,21 +544,28 @@ static enum fw_upload_err m10bmc_sec_prepare(struct fw_upload *fwl,
 	if (ret != FW_UPLOAD_ERR_NONE)
 		goto unlock_flash;
 
+	m10bmc_fw_state_set(sec->m10bmc, M10BMC_FW_STATE_SEC_UPDATE_PREPARE);
+
 	ret = rsu_update_init(sec);
 	if (ret != FW_UPLOAD_ERR_NONE)
-		goto unlock_flash;
+		goto fw_state_exit;
 
 	ret = rsu_prog_ready(sec);
 	if (ret != FW_UPLOAD_ERR_NONE)
-		goto unlock_flash;
+		goto fw_state_exit;
 
 	if (sec->cancel_request) {
 		ret = rsu_cancel(sec);
-		goto unlock_flash;
+		goto fw_state_exit;
 	}
 
+	m10bmc_fw_state_set(sec->m10bmc, M10BMC_FW_STATE_SEC_UPDATE_WRITE);
+
 	return FW_UPLOAD_ERR_NONE;
 
+fw_state_exit:
+	m10bmc_fw_state_set(sec->m10bmc, M10BMC_FW_STATE_NORMAL);
+
 unlock_flash:
 	if (sec->m10bmc->flash_bulk_ops)
 		sec->m10bmc->flash_bulk_ops->unlock_write(sec->m10bmc);
@@ -610,6 +614,8 @@ static enum fw_upload_err m10bmc_sec_poll_complete(struct fw_upload *fwl)
 	if (sec->cancel_request)
 		return rsu_cancel(sec);
 
+	m10bmc_fw_state_set(sec->m10bmc, M10BMC_FW_STATE_SEC_UPDATE_PROGRAM);
+
 	result = rsu_send_data(sec);
 	if (result != FW_UPLOAD_ERR_NONE)
 		return result;
@@ -653,6 +659,8 @@ static void m10bmc_sec_cleanup(struct fw_upload *fwl)
 
 	(void)rsu_cancel(sec);
 
+	m10bmc_fw_state_set(sec->m10bmc, M10BMC_FW_STATE_NORMAL);
+
 	if (sec->m10bmc->flash_bulk_ops)
 		sec->m10bmc->flash_bulk_ops->unlock_write(sec->m10bmc);
 }
@@ -764,3 +772,4 @@ module_platform_driver(intel_m10bmc_sec_driver);
 MODULE_AUTHOR("Intel Corporation");
 MODULE_DESCRIPTION("Intel MAX10 BMC Secure Update");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(INTEL_M10_BMC_CORE);
diff --git a/drivers/hwmon/intel-m10-bmc-hwmon.c b/drivers/hwmon/intel-m10-bmc-hwmon.c
index 6512f4bec79a..6500ca548f9c 100644
--- a/drivers/hwmon/intel-m10-bmc-hwmon.c
+++ b/drivers/hwmon/intel-m10-bmc-hwmon.c
@@ -794,3 +794,4 @@ MODULE_DEVICE_TABLE(platform, intel_m10bmc_hwmon_ids);
 MODULE_AUTHOR("Intel Corporation");
 MODULE_DESCRIPTION("Intel MAX 10 BMC hardware monitor");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(INTEL_M10_BMC_CORE);
diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
index eb2b09ef5d5b..08b8f27afbbf 100644
--- a/drivers/iio/adc/Kconfig
+++ b/drivers/iio/adc/Kconfig
@@ -735,6 +735,17 @@ config MAX1363
 	  To compile this driver as a module, choose M here: the module will be
 	  called max1363.
 
+config MAX77541_ADC
+	tristate "Analog Devices MAX77541 ADC driver"
+	depends on MFD_MAX77541
+	help
+	  This driver controls a Analog Devices MAX77541 ADC
+	  via I2C bus. This device has one adc. Say yes here to build
+	  support for Analog Devices MAX77541 ADC interface.
+
+	  To compile this driver as a module, choose M here:
+	  the module will be called max77541-adc.
+
 config MAX9611
 	tristate "Maxim max9611/max9612 ADC driver"
 	depends on I2C
diff --git a/drivers/iio/adc/Makefile b/drivers/iio/adc/Makefile
index e07e4a3e6237..eb6e891790fb 100644
--- a/drivers/iio/adc/Makefile
+++ b/drivers/iio/adc/Makefile
@@ -67,6 +67,7 @@ obj-$(CONFIG_MAX11205) += max11205.o
 obj-$(CONFIG_MAX11410) += max11410.o
 obj-$(CONFIG_MAX1241) += max1241.o
 obj-$(CONFIG_MAX1363) += max1363.o
+obj-$(CONFIG_MAX77541_ADC) += max77541-adc.o
 obj-$(CONFIG_MAX9611) += max9611.o
 obj-$(CONFIG_MCP320X) += mcp320x.o
 obj-$(CONFIG_MCP3422) += mcp3422.o
diff --git a/drivers/iio/adc/max77541-adc.c b/drivers/iio/adc/max77541-adc.c
new file mode 100644
index 000000000000..21d024bde16b
--- /dev/null
+++ b/drivers/iio/adc/max77541-adc.c
@@ -0,0 +1,194 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2022 Analog Devices, Inc.
+ * ADI MAX77541 ADC Driver with IIO interface
+ */
+
+#include <linux/bitfield.h>
+#include <linux/iio/iio.h>
+#include <linux/mod_devicetable.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/units.h>
+
+#include <linux/mfd/max77541.h>
+
+enum max77541_adc_range {
+	LOW_RANGE,
+	MID_RANGE,
+	HIGH_RANGE,
+};
+
+enum max77541_adc_channel {
+	MAX77541_ADC_VSYS_V,
+	MAX77541_ADC_VOUT1_V,
+	MAX77541_ADC_VOUT2_V,
+	MAX77541_ADC_TEMP,
+};
+
+static int max77541_adc_offset(struct iio_dev *indio_dev,
+			       struct iio_chan_spec const *chan,
+			       int *val, int *val2)
+{
+	switch (chan->channel) {
+	case MAX77541_ADC_TEMP:
+		*val = DIV_ROUND_CLOSEST(ABSOLUTE_ZERO_MILLICELSIUS, 1725);
+		return IIO_VAL_INT;
+	default:
+		return -EINVAL;
+	}
+}
+
+static int max77541_adc_scale(struct iio_dev *indio_dev,
+			      struct iio_chan_spec const *chan,
+			      int *val, int *val2)
+{
+	struct regmap **regmap = iio_priv(indio_dev);
+	unsigned int reg_val;
+	int ret;
+
+	switch (chan->channel) {
+	case MAX77541_ADC_VSYS_V:
+		*val = 25;
+		return IIO_VAL_INT;
+	case MAX77541_ADC_VOUT1_V:
+	case MAX77541_ADC_VOUT2_V:
+		ret = regmap_read(*regmap, MAX77541_REG_M2_CFG1, &reg_val);
+		if (ret)
+			return ret;
+
+		reg_val = FIELD_GET(MAX77541_BITS_MX_CFG1_RNG, reg_val);
+		switch (reg_val) {
+		case LOW_RANGE:
+			*val = 6;
+			*val2 = 250000;
+			break;
+		case MID_RANGE:
+			*val = 12;
+			*val2 = 500000;
+			break;
+		case HIGH_RANGE:
+			*val = 25;
+			return IIO_VAL_INT;
+		default:
+			return -EINVAL;
+		}
+
+		return IIO_VAL_INT_PLUS_MICRO;
+	case MAX77541_ADC_TEMP:
+		*val = 1725;
+		return IIO_VAL_INT;
+	default:
+		return -EINVAL;
+	}
+}
+
+static int max77541_adc_raw(struct iio_dev *indio_dev,
+			    struct iio_chan_spec const *chan,
+			    int *val)
+{
+	struct regmap **regmap = iio_priv(indio_dev);
+	int ret;
+
+	ret = regmap_read(*regmap, chan->address, val);
+	if (ret)
+		return ret;
+
+	return IIO_VAL_INT;
+}
+
+#define MAX77541_ADC_CHANNEL_V(_channel, _name, _type, _reg) \
+	{							\
+		.type = _type,					\
+		.indexed = 1,					\
+		.channel = _channel,				\
+		.address = _reg,				\
+		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |	\
+				      BIT(IIO_CHAN_INFO_SCALE), \
+		.datasheet_name = _name,			\
+	}
+
+#define MAX77541_ADC_CHANNEL_TEMP(_channel, _name, _type, _reg) \
+	{							\
+		.type = _type,					\
+		.indexed = 1,					\
+		.channel = _channel,				\
+		.address = _reg,				\
+		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |	\
+				      BIT(IIO_CHAN_INFO_SCALE) |\
+				      BIT(IIO_CHAN_INFO_OFFSET),\
+		.datasheet_name = _name,			\
+	}
+
+static const struct iio_chan_spec max77541_adc_channels[] = {
+	MAX77541_ADC_CHANNEL_V(MAX77541_ADC_VSYS_V, "vsys_v", IIO_VOLTAGE,
+			       MAX77541_REG_ADC_DATA_CH1),
+	MAX77541_ADC_CHANNEL_V(MAX77541_ADC_VOUT1_V, "vout1_v", IIO_VOLTAGE,
+			       MAX77541_REG_ADC_DATA_CH2),
+	MAX77541_ADC_CHANNEL_V(MAX77541_ADC_VOUT2_V, "vout2_v", IIO_VOLTAGE,
+			       MAX77541_REG_ADC_DATA_CH3),
+	MAX77541_ADC_CHANNEL_TEMP(MAX77541_ADC_TEMP, "temp", IIO_TEMP,
+				  MAX77541_REG_ADC_DATA_CH6),
+};
+
+static int max77541_adc_read_raw(struct iio_dev *indio_dev,
+				 struct iio_chan_spec const *chan,
+				 int *val, int *val2, long mask)
+{
+	switch (mask) {
+	case IIO_CHAN_INFO_OFFSET:
+		return max77541_adc_offset(indio_dev, chan, val, val2);
+	case IIO_CHAN_INFO_SCALE:
+		return max77541_adc_scale(indio_dev, chan, val, val2);
+	case IIO_CHAN_INFO_RAW:
+		return max77541_adc_raw(indio_dev, chan, val);
+	default:
+		return -EINVAL;
+	}
+}
+
+static const struct iio_info max77541_adc_info = {
+	.read_raw = max77541_adc_read_raw,
+};
+
+static int max77541_adc_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct iio_dev *indio_dev;
+	struct regmap **regmap;
+
+	indio_dev = devm_iio_device_alloc(dev, sizeof(*regmap));
+	if (!indio_dev)
+		return -ENOMEM;
+
+	regmap = iio_priv(indio_dev);
+
+	*regmap = dev_get_regmap(dev->parent, NULL);
+	indio_dev->modes = INDIO_DIRECT_MODE;
+
+	indio_dev->name = "max77541";
+	indio_dev->info = &max77541_adc_info;
+	indio_dev->channels = max77541_adc_channels;
+	indio_dev->num_channels = ARRAY_SIZE(max77541_adc_channels);
+
+	return devm_iio_device_register(dev, indio_dev);
+}
+
+static const struct platform_device_id max77541_adc_platform_id[] = {
+	{ "max77541-adc" },
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(platform, max77541_adc_platform_id);
+
+static struct platform_driver max77541_adc_driver = {
+	.driver = {
+		.name = "max77541-adc",
+	},
+	.probe = max77541_adc_probe,
+	.id_table = max77541_adc_platform_id,
+};
+module_platform_driver(max77541_adc_driver);
+
+MODULE_AUTHOR("Okan Sahin <Okan.Sahin@analog.com>");
+MODULE_DESCRIPTION("MAX77541 ADC driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/mfd/88pm800.c b/drivers/mfd/88pm800.c
index 4d9b61b92754..300caa067335 100644
--- a/drivers/mfd/88pm800.c
+++ b/drivers/mfd/88pm800.c
@@ -597,7 +597,7 @@ static struct i2c_driver pm800_driver = {
 		.name = "88PM800",
 		.pm = pm_sleep_ptr(&pm80x_pm_ops),
 		},
-	.probe_new = pm800_probe,
+	.probe = pm800_probe,
 	.remove = pm800_remove,
 	.id_table = pm80x_id_table,
 };
diff --git a/drivers/mfd/88pm805.c b/drivers/mfd/88pm805.c
index 352f13cb1481..68417c3c4f5a 100644
--- a/drivers/mfd/88pm805.c
+++ b/drivers/mfd/88pm805.c
@@ -253,7 +253,7 @@ static struct i2c_driver pm805_driver = {
 		.name = "88PM805",
 		.pm = pm_sleep_ptr(&pm80x_pm_ops),
 		},
-	.probe_new = pm805_probe,
+	.probe = pm805_probe,
 	.remove = pm805_remove,
 	.id_table = pm80x_id_table,
 };
diff --git a/drivers/mfd/88pm80x.c b/drivers/mfd/88pm80x.c
index ac4f08565f29..bbc1a87f0c8f 100644
--- a/drivers/mfd/88pm80x.c
+++ b/drivers/mfd/88pm80x.c
@@ -74,7 +74,6 @@ int pm80x_init(struct i2c_client *client)
 	chip->irq = client->irq;
 
 	chip->dev = &client->dev;
-	dev_set_drvdata(chip->dev, chip);
 	i2c_set_clientdata(chip->client, chip);
 
 	ret = regmap_read(chip->regmap, PM80X_CHIP_ID, &val);
diff --git a/drivers/mfd/88pm860x-core.c b/drivers/mfd/88pm860x-core.c
index aabac37c3502..151bf03e772d 100644
--- a/drivers/mfd/88pm860x-core.c
+++ b/drivers/mfd/88pm860x-core.c
@@ -1166,7 +1166,6 @@ static int pm860x_probe(struct i2c_client *client)
 	chip->client = client;
 	i2c_set_clientdata(client, chip);
 	chip->dev = &client->dev;
-	dev_set_drvdata(chip->dev, chip);
 
 	/*
 	 * Both client and companion client shares same platform driver.
@@ -1251,7 +1250,7 @@ static struct i2c_driver pm860x_driver = {
 		.pm     = pm_sleep_ptr(&pm860x_pm_ops),
 		.of_match_table	= pm860x_dt_ids,
 	},
-	.probe_new	= pm860x_probe,
+	.probe		= pm860x_probe,
 	.remove		= pm860x_remove,
 	.id_table	= pm860x_id_table,
 };
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index f89f455c130a..6f5b259a6d6a 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -266,8 +266,8 @@ config MFD_MADERA_SPI
 	  Support for the Cirrus Logic Madera platform audio SoC
 	  core functionality controlled via SPI.
 
-config MFD_MAX597X
-	tristate "Maxim 597x power switch and monitor"
+config MFD_MAX5970
+	tristate "Maxim 5970/5978 power switch and monitor"
 	depends on (I2C && OF)
 	select MFD_SIMPLE_MFD_I2C
 	help
@@ -784,6 +784,19 @@ config MFD_MAX14577
 	  additional drivers must be enabled in order to use the functionality
 	  of the device.
 
+config MFD_MAX77541
+	tristate "Analog Devices MAX77541/77540 PMIC Support"
+	depends on I2C=y
+	select MFD_CORE
+	select REGMAP_I2C
+	select REGMAP_IRQ
+	help
+	  Say yes here to add support for Analog Devices MAX77541 and
+	  MAX77540 Power Management ICs. This driver provides
+	  common support for accessing the device; additional drivers
+	  must be enabled in order to use the functionality of the device.
+	  There are regulators and adc.
+
 config MFD_MAX77620
 	bool "Maxim Semiconductor MAX77620 and MAX20024 PMIC Support"
 	depends on I2C=y
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 39c461536181..f3d1f1dc73b5 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -154,6 +154,7 @@ obj-$(CONFIG_MFD_DA9063)	+= da9063.o
 obj-$(CONFIG_MFD_DA9150)	+= da9150-core.o
 
 obj-$(CONFIG_MFD_MAX14577)	+= max14577.o
+obj-$(CONFIG_MFD_MAX77541)	+= max77541.o
 obj-$(CONFIG_MFD_MAX77620)	+= max77620.o
 obj-$(CONFIG_MFD_MAX77650)	+= max77650.o
 obj-$(CONFIG_MFD_MAX77686)	+= max77686.o
diff --git a/drivers/mfd/aat2870-core.c b/drivers/mfd/aat2870-core.c
index f253da5b246b..2fee62f1016c 100644
--- a/drivers/mfd/aat2870-core.c
+++ b/drivers/mfd/aat2870-core.c
@@ -345,8 +345,6 @@ static int aat2870_i2c_probe(struct i2c_client *client)
 		return -ENOMEM;
 
 	aat2870->dev = &client->dev;
-	dev_set_drvdata(aat2870->dev, aat2870);
-
 	aat2870->client = client;
 	i2c_set_clientdata(client, aat2870);
 
@@ -451,7 +449,7 @@ static struct i2c_driver aat2870_i2c_driver = {
 		.pm			= pm_sleep_ptr(&aat2870_pm_ops),
 		.suppress_bind_attrs	= true,
 	},
-	.probe_new	= aat2870_i2c_probe,
+	.probe		= aat2870_i2c_probe,
 	.id_table	= aat2870_i2c_id_table,
 };
 
diff --git a/drivers/mfd/acer-ec-a500.c b/drivers/mfd/acer-ec-a500.c
index 7fd8b9988075..feb757e90dc3 100644
--- a/drivers/mfd/acer-ec-a500.c
+++ b/drivers/mfd/acer-ec-a500.c
@@ -190,7 +190,7 @@ static struct i2c_driver a500_ec_driver = {
 		.name = "acer-a500-embedded-controller",
 		.of_match_table = a500_ec_match,
 	},
-	.probe_new = a500_ec_probe,
+	.probe = a500_ec_probe,
 	.remove = a500_ec_remove,
 };
 module_i2c_driver(a500_ec_driver);
diff --git a/drivers/mfd/act8945a.c b/drivers/mfd/act8945a.c
index bcf0fda15f0c..2406fcdff5f9 100644
--- a/drivers/mfd/act8945a.c
+++ b/drivers/mfd/act8945a.c
@@ -70,7 +70,7 @@ static struct i2c_driver act8945a_i2c_driver = {
 		   .name = "act8945a",
 		   .of_match_table = of_match_ptr(act8945a_of_match),
 	},
-	.probe_new = act8945a_i2c_probe,
+	.probe = act8945a_i2c_probe,
 	.id_table = act8945a_i2c_id,
 };
 
diff --git a/drivers/mfd/adp5520.c b/drivers/mfd/adp5520.c
index cb168efdbafe..bd6f4965ebc8 100644
--- a/drivers/mfd/adp5520.c
+++ b/drivers/mfd/adp5520.c
@@ -340,7 +340,7 @@ static struct i2c_driver adp5520_driver = {
 		.pm			= pm_sleep_ptr(&adp5520_pm),
 		.suppress_bind_attrs	= true,
 	},
-	.probe_new	= adp5520_probe,
+	.probe		= adp5520_probe,
 	.id_table	= adp5520_id,
 };
 builtin_i2c_driver(adp5520_driver);
diff --git a/drivers/mfd/arizona-i2c.c b/drivers/mfd/arizona-i2c.c
index 43e393c8608d..9b7183ffc928 100644
--- a/drivers/mfd/arizona-i2c.c
+++ b/drivers/mfd/arizona-i2c.c
@@ -121,7 +121,7 @@ static struct i2c_driver arizona_i2c_driver = {
 		.pm	= pm_ptr(&arizona_pm_ops),
 		.of_match_table	= of_match_ptr(arizona_i2c_of_match),
 	},
-	.probe_new	= arizona_i2c_probe,
+	.probe		= arizona_i2c_probe,
 	.remove		= arizona_i2c_remove,
 	.id_table	= arizona_i2c_id,
 };
diff --git a/drivers/mfd/as3711.c b/drivers/mfd/as3711.c
index 3facfdd28e81..c7e85ff38013 100644
--- a/drivers/mfd/as3711.c
+++ b/drivers/mfd/as3711.c
@@ -201,7 +201,7 @@ static struct i2c_driver as3711_i2c_driver = {
 		   .name = "as3711",
 		   .of_match_table = of_match_ptr(as3711_of_match),
 	},
-	.probe_new = as3711_i2c_probe,
+	.probe = as3711_i2c_probe,
 	.id_table = as3711_i2c_id,
 };
 
diff --git a/drivers/mfd/as3722.c b/drivers/mfd/as3722.c
index b6dda0eb8645..a2bf68afc131 100644
--- a/drivers/mfd/as3722.c
+++ b/drivers/mfd/as3722.c
@@ -445,7 +445,7 @@ static struct i2c_driver as3722_i2c_driver = {
 		.of_match_table = as3722_of_match,
 		.pm = &as3722_pm_ops,
 	},
-	.probe_new = as3722_i2c_probe,
+	.probe = as3722_i2c_probe,
 	.id_table = as3722_i2c_id,
 };
 
diff --git a/drivers/mfd/atc260x-i2c.c b/drivers/mfd/atc260x-i2c.c
index 8e1491167160..fb53b0432a31 100644
--- a/drivers/mfd/atc260x-i2c.c
+++ b/drivers/mfd/atc260x-i2c.c
@@ -53,7 +53,7 @@ static struct i2c_driver atc260x_i2c_driver = {
 		.name = "atc260x",
 		.of_match_table	= atc260x_i2c_of_match,
 	},
-	.probe_new = atc260x_i2c_probe,
+	.probe = atc260x_i2c_probe,
 };
 module_i2c_driver(atc260x_i2c_driver);
 
diff --git a/drivers/mfd/axp20x-i2c.c b/drivers/mfd/axp20x-i2c.c
index a49e5e217554..68d3560cfe4a 100644
--- a/drivers/mfd/axp20x-i2c.c
+++ b/drivers/mfd/axp20x-i2c.c
@@ -59,6 +59,7 @@ static void axp20x_i2c_remove(struct i2c_client *i2c)
 #ifdef CONFIG_OF
 static const struct of_device_id axp20x_i2c_of_match[] = {
 	{ .compatible = "x-powers,axp152", .data = (void *)AXP152_ID },
+	{ .compatible = "x-powers,axp192", .data = (void *)AXP192_ID },
 	{ .compatible = "x-powers,axp202", .data = (void *)AXP202_ID },
 	{ .compatible = "x-powers,axp209", .data = (void *)AXP209_ID },
 	{ .compatible = "x-powers,axp221", .data = (void *)AXP221_ID },
@@ -74,6 +75,7 @@ MODULE_DEVICE_TABLE(of, axp20x_i2c_of_match);
 
 static const struct i2c_device_id axp20x_i2c_id[] = {
 	{ "axp152", 0 },
+	{ "axp192", 0 },
 	{ "axp202", 0 },
 	{ "axp209", 0 },
 	{ "axp221", 0 },
@@ -103,7 +105,7 @@ static struct i2c_driver axp20x_i2c_driver = {
 		.of_match_table	= of_match_ptr(axp20x_i2c_of_match),
 		.acpi_match_table = ACPI_PTR(axp20x_i2c_acpi_match),
 	},
-	.probe_new	= axp20x_i2c_probe,
+	.probe		= axp20x_i2c_probe,
 	.remove		= axp20x_i2c_remove,
 	.id_table	= axp20x_i2c_id,
 };
diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c
index 07a846ecbf18..c03bc5cda080 100644
--- a/drivers/mfd/axp20x.c
+++ b/drivers/mfd/axp20x.c
@@ -34,6 +34,7 @@
 
 static const char * const axp20x_model_names[] = {
 	"AXP152",
+	"AXP192",
 	"AXP202",
 	"AXP209",
 	"AXP221",
@@ -94,6 +95,35 @@ static const struct regmap_access_table axp20x_volatile_table = {
 	.n_yes_ranges	= ARRAY_SIZE(axp20x_volatile_ranges),
 };
 
+static const struct regmap_range axp192_writeable_ranges[] = {
+	regmap_reg_range(AXP192_DATACACHE(0), AXP192_DATACACHE(5)),
+	regmap_reg_range(AXP192_PWR_OUT_CTRL, AXP192_IRQ5_STATE),
+	regmap_reg_range(AXP20X_DCDC_MODE, AXP192_N_RSTO_CTRL),
+	regmap_reg_range(AXP20X_CC_CTRL, AXP20X_CC_CTRL),
+};
+
+static const struct regmap_range axp192_volatile_ranges[] = {
+	regmap_reg_range(AXP20X_PWR_INPUT_STATUS, AXP192_USB_OTG_STATUS),
+	regmap_reg_range(AXP192_IRQ1_STATE, AXP192_IRQ4_STATE),
+	regmap_reg_range(AXP192_IRQ5_STATE, AXP192_IRQ5_STATE),
+	regmap_reg_range(AXP20X_ACIN_V_ADC_H, AXP20X_IPSOUT_V_HIGH_L),
+	regmap_reg_range(AXP20X_TIMER_CTRL, AXP20X_TIMER_CTRL),
+	regmap_reg_range(AXP192_GPIO2_0_STATE, AXP192_GPIO2_0_STATE),
+	regmap_reg_range(AXP192_GPIO4_3_STATE, AXP192_GPIO4_3_STATE),
+	regmap_reg_range(AXP192_N_RSTO_CTRL, AXP192_N_RSTO_CTRL),
+	regmap_reg_range(AXP20X_CHRG_CC_31_24, AXP20X_CC_CTRL),
+};
+
+static const struct regmap_access_table axp192_writeable_table = {
+	.yes_ranges	= axp192_writeable_ranges,
+	.n_yes_ranges	= ARRAY_SIZE(axp192_writeable_ranges),
+};
+
+static const struct regmap_access_table axp192_volatile_table = {
+	.yes_ranges	= axp192_volatile_ranges,
+	.n_yes_ranges	= ARRAY_SIZE(axp192_volatile_ranges),
+};
+
 /* AXP22x ranges are shared with the AXP809, as they cover the same range */
 static const struct regmap_range axp22x_writeable_ranges[] = {
 	regmap_reg_range(AXP20X_DATACACHE(0), AXP20X_IRQ5_STATE),
@@ -220,6 +250,19 @@ static const struct resource axp152_pek_resources[] = {
 	DEFINE_RES_IRQ_NAMED(AXP152_IRQ_PEK_FAL_EDGE, "PEK_DBF"),
 };
 
+static const struct resource axp192_ac_power_supply_resources[] = {
+	DEFINE_RES_IRQ_NAMED(AXP192_IRQ_ACIN_PLUGIN, "ACIN_PLUGIN"),
+	DEFINE_RES_IRQ_NAMED(AXP192_IRQ_ACIN_REMOVAL, "ACIN_REMOVAL"),
+	DEFINE_RES_IRQ_NAMED(AXP192_IRQ_ACIN_OVER_V, "ACIN_OVER_V"),
+};
+
+static const struct resource axp192_usb_power_supply_resources[] = {
+	DEFINE_RES_IRQ_NAMED(AXP192_IRQ_VBUS_PLUGIN, "VBUS_PLUGIN"),
+	DEFINE_RES_IRQ_NAMED(AXP192_IRQ_VBUS_REMOVAL, "VBUS_REMOVAL"),
+	DEFINE_RES_IRQ_NAMED(AXP192_IRQ_VBUS_VALID, "VBUS_VALID"),
+	DEFINE_RES_IRQ_NAMED(AXP192_IRQ_VBUS_NOT_VALID, "VBUS_NOT_VALID"),
+};
+
 static const struct resource axp20x_ac_power_supply_resources[] = {
 	DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_ACIN_PLUGIN, "ACIN_PLUGIN"),
 	DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_ACIN_REMOVAL, "ACIN_REMOVAL"),
@@ -302,6 +345,15 @@ static const struct regmap_config axp152_regmap_config = {
 	.cache_type	= REGCACHE_RBTREE,
 };
 
+static const struct regmap_config axp192_regmap_config = {
+	.reg_bits	= 8,
+	.val_bits	= 8,
+	.wr_table	= &axp192_writeable_table,
+	.volatile_table	= &axp192_volatile_table,
+	.max_register	= AXP20X_CC_CTRL,
+	.cache_type	= REGCACHE_RBTREE,
+};
+
 static const struct regmap_config axp20x_regmap_config = {
 	.reg_bits	= 8,
 	.val_bits	= 8,
@@ -379,6 +431,42 @@ static const struct regmap_irq axp152_regmap_irqs[] = {
 	INIT_REGMAP_IRQ(AXP152, GPIO0_INPUT,		2, 0),
 };
 
+static const struct regmap_irq axp192_regmap_irqs[] = {
+	INIT_REGMAP_IRQ(AXP192, ACIN_OVER_V,		0, 7),
+	INIT_REGMAP_IRQ(AXP192, ACIN_PLUGIN,		0, 6),
+	INIT_REGMAP_IRQ(AXP192, ACIN_REMOVAL,		0, 5),
+	INIT_REGMAP_IRQ(AXP192, VBUS_OVER_V,		0, 4),
+	INIT_REGMAP_IRQ(AXP192, VBUS_PLUGIN,		0, 3),
+	INIT_REGMAP_IRQ(AXP192, VBUS_REMOVAL,		0, 2),
+	INIT_REGMAP_IRQ(AXP192, VBUS_V_LOW,		0, 1),
+	INIT_REGMAP_IRQ(AXP192, BATT_PLUGIN,		1, 7),
+	INIT_REGMAP_IRQ(AXP192, BATT_REMOVAL,	        1, 6),
+	INIT_REGMAP_IRQ(AXP192, BATT_ENT_ACT_MODE,	1, 5),
+	INIT_REGMAP_IRQ(AXP192, BATT_EXIT_ACT_MODE,	1, 4),
+	INIT_REGMAP_IRQ(AXP192, CHARG,		        1, 3),
+	INIT_REGMAP_IRQ(AXP192, CHARG_DONE,		1, 2),
+	INIT_REGMAP_IRQ(AXP192, BATT_TEMP_HIGH,	        1, 1),
+	INIT_REGMAP_IRQ(AXP192, BATT_TEMP_LOW,	        1, 0),
+	INIT_REGMAP_IRQ(AXP192, DIE_TEMP_HIGH,	        2, 7),
+	INIT_REGMAP_IRQ(AXP192, CHARG_I_LOW,		2, 6),
+	INIT_REGMAP_IRQ(AXP192, DCDC1_V_LONG,	        2, 5),
+	INIT_REGMAP_IRQ(AXP192, DCDC2_V_LONG,	        2, 4),
+	INIT_REGMAP_IRQ(AXP192, DCDC3_V_LONG,	        2, 3),
+	INIT_REGMAP_IRQ(AXP192, PEK_SHORT,		2, 1),
+	INIT_REGMAP_IRQ(AXP192, PEK_LONG,		2, 0),
+	INIT_REGMAP_IRQ(AXP192, N_OE_PWR_ON,		3, 7),
+	INIT_REGMAP_IRQ(AXP192, N_OE_PWR_OFF,	        3, 6),
+	INIT_REGMAP_IRQ(AXP192, VBUS_VALID,		3, 5),
+	INIT_REGMAP_IRQ(AXP192, VBUS_NOT_VALID,	        3, 4),
+	INIT_REGMAP_IRQ(AXP192, VBUS_SESS_VALID,	3, 3),
+	INIT_REGMAP_IRQ(AXP192, VBUS_SESS_END,	        3, 2),
+	INIT_REGMAP_IRQ(AXP192, LOW_PWR_LVL,	        3, 0),
+	INIT_REGMAP_IRQ(AXP192, TIMER,			4, 7),
+	INIT_REGMAP_IRQ(AXP192, GPIO2_INPUT,		4, 2),
+	INIT_REGMAP_IRQ(AXP192, GPIO1_INPUT,		4, 1),
+	INIT_REGMAP_IRQ(AXP192, GPIO0_INPUT,		4, 0),
+};
+
 static const struct regmap_irq axp20x_regmap_irqs[] = {
 	INIT_REGMAP_IRQ(AXP20X, ACIN_OVER_V,		0, 7),
 	INIT_REGMAP_IRQ(AXP20X, ACIN_PLUGIN,		0, 6),
@@ -615,6 +703,32 @@ static const struct regmap_irq_chip axp152_regmap_irq_chip = {
 	.num_regs		= 3,
 };
 
+static unsigned int axp192_get_irq_reg(struct regmap_irq_chip_data *data,
+				       unsigned int base, int index)
+{
+	/* linear mapping for IRQ1 to IRQ4 */
+	if (index < 4)
+		return base + index;
+
+	/* handle IRQ5 separately */
+	if (base == AXP192_IRQ1_EN)
+		return AXP192_IRQ5_EN;
+
+	return AXP192_IRQ5_STATE;
+}
+
+static const struct regmap_irq_chip axp192_regmap_irq_chip = {
+	.name			= "axp192_irq_chip",
+	.status_base		= AXP192_IRQ1_STATE,
+	.ack_base		= AXP192_IRQ1_STATE,
+	.unmask_base		= AXP192_IRQ1_EN,
+	.init_ack_masked	= true,
+	.irqs			= axp192_regmap_irqs,
+	.num_irqs		= ARRAY_SIZE(axp192_regmap_irqs),
+	.num_regs		= 5,
+	.get_irq_reg		= axp192_get_irq_reg,
+};
+
 static const struct regmap_irq_chip axp20x_regmap_irq_chip = {
 	.name			= "axp20x_irq_chip",
 	.status_base		= AXP20X_IRQ1_STATE,
@@ -705,6 +819,27 @@ static const struct regmap_irq_chip axp15060_regmap_irq_chip = {
 	.num_regs		= 2,
 };
 
+static const struct mfd_cell axp192_cells[] = {
+	{
+		.name		= "axp192-adc",
+		.of_compatible	= "x-powers,axp192-adc",
+	}, {
+		.name		= "axp20x-battery-power-supply",
+		.of_compatible	= "x-powers,axp192-battery-power-supply",
+	}, {
+		.name		= "axp20x-ac-power-supply",
+		.of_compatible	= "x-powers,axp202-ac-power-supply",
+		.num_resources	= ARRAY_SIZE(axp192_ac_power_supply_resources),
+		.resources	= axp192_ac_power_supply_resources,
+	}, {
+		.name		= "axp20x-usb-power-supply",
+		.of_compatible	= "x-powers,axp192-usb-power-supply",
+		.num_resources	= ARRAY_SIZE(axp192_usb_power_supply_resources),
+		.resources	= axp192_usb_power_supply_resources,
+	},
+	{	.name		= "axp20x-regulator" },
+};
+
 static const struct mfd_cell axp20x_cells[] = {
 	{
 		.name		= "axp20x-gpio",
@@ -1022,6 +1157,12 @@ int axp20x_match_device(struct axp20x_dev *axp20x)
 		axp20x->regmap_cfg = &axp152_regmap_config;
 		axp20x->regmap_irq_chip = &axp152_regmap_irq_chip;
 		break;
+	case AXP192_ID:
+		axp20x->nr_cells = ARRAY_SIZE(axp192_cells);
+		axp20x->cells = axp192_cells;
+		axp20x->regmap_cfg = &axp192_regmap_config;
+		axp20x->regmap_irq_chip = &axp192_regmap_irq_chip;
+		break;
 	case AXP202_ID:
 	case AXP209_ID:
 		axp20x->nr_cells = ARRAY_SIZE(axp20x_cells);
diff --git a/drivers/mfd/bcm590xx.c b/drivers/mfd/bcm590xx.c
index 251d515478d5..9f39b46b87f4 100644
--- a/drivers/mfd/bcm590xx.c
+++ b/drivers/mfd/bcm590xx.c
@@ -108,7 +108,7 @@ static struct i2c_driver bcm590xx_i2c_driver = {
 		   .name = "bcm590xx",
 		   .of_match_table = bcm590xx_of_match,
 	},
-	.probe_new = bcm590xx_i2c_probe,
+	.probe = bcm590xx_i2c_probe,
 	.id_table = bcm590xx_i2c_id,
 };
 module_i2c_driver(bcm590xx_i2c_driver);
diff --git a/drivers/mfd/bd9571mwv.c b/drivers/mfd/bd9571mwv.c
index 60dc858c8117..819d09e4d100 100644
--- a/drivers/mfd/bd9571mwv.c
+++ b/drivers/mfd/bd9571mwv.c
@@ -278,7 +278,7 @@ static struct i2c_driver bd9571mwv_driver = {
 		.name	= "bd9571mwv",
 		.of_match_table = bd9571mwv_of_match_table,
 	},
-	.probe_new	= bd9571mwv_probe,
+	.probe		= bd9571mwv_probe,
 	.id_table       = bd9571mwv_id_table,
 };
 module_i2c_driver(bd9571mwv_driver);
diff --git a/drivers/mfd/da903x.c b/drivers/mfd/da903x.c
index 6570b33a5a77..e86b39de3303 100644
--- a/drivers/mfd/da903x.c
+++ b/drivers/mfd/da903x.c
@@ -543,7 +543,7 @@ static struct i2c_driver da903x_driver = {
 	.driver	= {
 		.name	= "da903x",
 	},
-	.probe_new	= da903x_probe,
+	.probe		= da903x_probe,
 	.remove		= da903x_remove,
 	.id_table	= da903x_id_table,
 };
diff --git a/drivers/mfd/da9052-i2c.c b/drivers/mfd/da9052-i2c.c
index 03db7a2ccf7a..541e2d47677e 100644
--- a/drivers/mfd/da9052-i2c.c
+++ b/drivers/mfd/da9052-i2c.c
@@ -176,7 +176,7 @@ static void da9052_i2c_remove(struct i2c_client *client)
 }
 
 static struct i2c_driver da9052_i2c_driver = {
-	.probe_new = da9052_i2c_probe,
+	.probe = da9052_i2c_probe,
 	.remove = da9052_i2c_remove,
 	.id_table = da9052_i2c_id,
 	.driver = {
diff --git a/drivers/mfd/da9055-i2c.c b/drivers/mfd/da9055-i2c.c
index 537fd5de3e6d..bbaf4f07f274 100644
--- a/drivers/mfd/da9055-i2c.c
+++ b/drivers/mfd/da9055-i2c.c
@@ -66,7 +66,7 @@ static const struct of_device_id da9055_of_match[] = {
 };
 
 static struct i2c_driver da9055_i2c_driver = {
-	.probe_new = da9055_i2c_probe,
+	.probe = da9055_i2c_probe,
 	.remove = da9055_i2c_remove,
 	.id_table = da9055_i2c_id,
 	.driver = {
diff --git a/drivers/mfd/da9062-core.c b/drivers/mfd/da9062-core.c
index d073d5f106ec..48f58b6f5629 100644
--- a/drivers/mfd/da9062-core.c
+++ b/drivers/mfd/da9062-core.c
@@ -726,7 +726,7 @@ static struct i2c_driver da9062_i2c_driver = {
 		.name = "da9062",
 		.of_match_table = da9062_dt_ids,
 	},
-	.probe_new = da9062_i2c_probe,
+	.probe = da9062_i2c_probe,
 	.remove   = da9062_i2c_remove,
 	.id_table = da9062_i2c_id,
 };
diff --git a/drivers/mfd/da9063-i2c.c b/drivers/mfd/da9063-i2c.c
index 03f8f95a1d62..d715cf9a9e68 100644
--- a/drivers/mfd/da9063-i2c.c
+++ b/drivers/mfd/da9063-i2c.c
@@ -469,7 +469,7 @@ static struct i2c_driver da9063_i2c_driver = {
 		.name = "da9063",
 		.of_match_table = da9063_dt_ids,
 	},
-	.probe_new = da9063_i2c_probe,
+	.probe = da9063_i2c_probe,
 	.id_table = da9063_i2c_id,
 };
 
diff --git a/drivers/mfd/da9150-core.c b/drivers/mfd/da9150-core.c
index d2c954103b2f..94d621e20635 100644
--- a/drivers/mfd/da9150-core.c
+++ b/drivers/mfd/da9150-core.c
@@ -510,7 +510,7 @@ static struct i2c_driver da9150_driver = {
 		.name	= "da9150",
 		.of_match_table = da9150_of_match,
 	},
-	.probe_new	= da9150_probe,
+	.probe		= da9150_probe,
 	.remove		= da9150_remove,
 	.shutdown	= da9150_shutdown,
 	.id_table	= da9150_i2c_id,
diff --git a/drivers/mfd/dln2.c b/drivers/mfd/dln2.c
index c3149729cec2..c7510434380a 100644
--- a/drivers/mfd/dln2.c
+++ b/drivers/mfd/dln2.c
@@ -14,7 +14,6 @@
 #include <linux/types.h>
 #include <linux/slab.h>
 #include <linux/usb.h>
-#include <linux/i2c.h>
 #include <linux/mutex.h>
 #include <linux/platform_device.h>
 #include <linux/mfd/core.h>
diff --git a/drivers/mfd/ene-kb3930.c b/drivers/mfd/ene-kb3930.c
index 3eff98e26bea..fa0ad2f14a39 100644
--- a/drivers/mfd/ene-kb3930.c
+++ b/drivers/mfd/ene-kb3930.c
@@ -196,7 +196,7 @@ static const struct of_device_id kb3930_dt_ids[] = {
 MODULE_DEVICE_TABLE(of, kb3930_dt_ids);
 
 static struct i2c_driver kb3930_driver = {
-	.probe_new = kb3930_probe,
+	.probe = kb3930_probe,
 	.remove = kb3930_remove,
 	.driver = {
 		.name = "ene-kb3930",
diff --git a/drivers/mfd/gateworks-gsc.c b/drivers/mfd/gateworks-gsc.c
index c954ed265de8..b02bfdc871e9 100644
--- a/drivers/mfd/gateworks-gsc.c
+++ b/drivers/mfd/gateworks-gsc.c
@@ -264,7 +264,7 @@ static struct i2c_driver gsc_driver = {
 		.name	= "gateworks-gsc",
 		.of_match_table = gsc_of_match,
 	},
-	.probe_new	= gsc_probe,
+	.probe		= gsc_probe,
 	.remove		= gsc_remove,
 };
 module_i2c_driver(gsc_driver);
diff --git a/drivers/mfd/intel-lpss-acpi.c b/drivers/mfd/intel-lpss-acpi.c
index a143c8dca2d9..212818aef93e 100644
--- a/drivers/mfd/intel-lpss-acpi.c
+++ b/drivers/mfd/intel-lpss-acpi.c
@@ -183,6 +183,9 @@ static int intel_lpss_acpi_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	info->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!info->mem)
+		return -ENODEV;
+
 	info->irq = platform_get_irq(pdev, 0);
 
 	ret = intel_lpss_probe(&pdev->dev, info);
diff --git a/drivers/mfd/intel-lpss.c b/drivers/mfd/intel-lpss.c
index cfbee2cfba6b..9591b354072a 100644
--- a/drivers/mfd/intel-lpss.c
+++ b/drivers/mfd/intel-lpss.c
@@ -460,6 +460,7 @@ void intel_lpss_remove(struct device *dev)
 }
 EXPORT_SYMBOL_GPL(intel_lpss_remove);
 
+#ifdef CONFIG_PM
 static int resume_lpss_device(struct device *dev, void *data)
 {
 	if (!dev_pm_test_driver_flags(dev, DPM_FLAG_SMART_SUSPEND))
@@ -514,6 +515,7 @@ int intel_lpss_resume(struct device *dev)
 	return 0;
 }
 EXPORT_SYMBOL_GPL(intel_lpss_resume);
+#endif
 
 static int __init intel_lpss_init(void)
 {
diff --git a/drivers/mfd/intel-m10-bmc-core.c b/drivers/mfd/intel-m10-bmc-core.c
index dac9cf7bcb4a..8ad5b3821584 100644
--- a/drivers/mfd/intel-m10-bmc-core.c
+++ b/drivers/mfd/intel-m10-bmc-core.c
@@ -12,6 +12,91 @@
 #include <linux/mfd/intel-m10-bmc.h>
 #include <linux/module.h>
 
+void m10bmc_fw_state_set(struct intel_m10bmc *m10bmc, enum m10bmc_fw_state new_state)
+{
+	/* bmcfw_state is only needed if handshake_sys_reg_nranges > 0 */
+	if (!m10bmc->info->handshake_sys_reg_nranges)
+		return;
+
+	down_write(&m10bmc->bmcfw_lock);
+	m10bmc->bmcfw_state = new_state;
+	up_write(&m10bmc->bmcfw_lock);
+}
+EXPORT_SYMBOL_NS_GPL(m10bmc_fw_state_set, INTEL_M10_BMC_CORE);
+
+/*
+ * For some Intel FPGA devices, the BMC firmware is not available to service
+ * handshake registers during a secure update.
+ */
+static bool m10bmc_reg_always_available(struct intel_m10bmc *m10bmc, unsigned int offset)
+{
+	if (!m10bmc->info->handshake_sys_reg_nranges)
+		return true;
+
+	return !regmap_reg_in_ranges(offset, m10bmc->info->handshake_sys_reg_ranges,
+				     m10bmc->info->handshake_sys_reg_nranges);
+}
+
+/*
+ * m10bmc_handshake_reg_unavailable - Checks if reg access collides with secure update state
+ * @m10bmc: M10 BMC structure
+ *
+ * For some Intel FPGA devices, the BMC firmware is not available to service
+ * handshake registers during a secure update erase and write phases.
+ *
+ * Context: @m10bmc->bmcfw_lock must be held.
+ */
+static bool m10bmc_handshake_reg_unavailable(struct intel_m10bmc *m10bmc)
+{
+	return m10bmc->bmcfw_state == M10BMC_FW_STATE_SEC_UPDATE_PREPARE ||
+	       m10bmc->bmcfw_state == M10BMC_FW_STATE_SEC_UPDATE_WRITE;
+}
+
+/*
+ * This function helps to simplify the accessing of the system registers.
+ *
+ * The base of the system registers is configured through the struct
+ * csr_map.
+ */
+int m10bmc_sys_read(struct intel_m10bmc *m10bmc, unsigned int offset, unsigned int *val)
+{
+	const struct m10bmc_csr_map *csr_map = m10bmc->info->csr_map;
+	int ret;
+
+	if (m10bmc_reg_always_available(m10bmc, offset))
+		return m10bmc_raw_read(m10bmc, csr_map->base + offset, val);
+
+	down_read(&m10bmc->bmcfw_lock);
+	if (m10bmc_handshake_reg_unavailable(m10bmc))
+		ret = -EBUSY;	/* Reg not available during secure update */
+	else
+		ret = m10bmc_raw_read(m10bmc, csr_map->base + offset, val);
+	up_read(&m10bmc->bmcfw_lock);
+
+	return ret;
+}
+EXPORT_SYMBOL_NS_GPL(m10bmc_sys_read, INTEL_M10_BMC_CORE);
+
+int m10bmc_sys_update_bits(struct intel_m10bmc *m10bmc, unsigned int offset,
+			   unsigned int msk, unsigned int val)
+{
+	const struct m10bmc_csr_map *csr_map = m10bmc->info->csr_map;
+	int ret;
+
+	if (m10bmc_reg_always_available(m10bmc, offset))
+		return regmap_update_bits(m10bmc->regmap, csr_map->base + offset, msk, val);
+
+	down_read(&m10bmc->bmcfw_lock);
+	if (m10bmc_handshake_reg_unavailable(m10bmc))
+		ret = -EBUSY;	/* Reg not available during secure update */
+	else
+		ret = regmap_update_bits(m10bmc->regmap, csr_map->base + offset, msk, val);
+	up_read(&m10bmc->bmcfw_lock);
+
+	return ret;
+}
+EXPORT_SYMBOL_NS_GPL(m10bmc_sys_update_bits, INTEL_M10_BMC_CORE);
+
 static ssize_t bmc_version_show(struct device *dev,
 				struct device_attribute *attr, char *buf)
 {
@@ -98,7 +183,7 @@ const struct attribute_group *m10bmc_dev_groups[] = {
 	&m10bmc_group,
 	NULL,
 };
-EXPORT_SYMBOL_GPL(m10bmc_dev_groups);
+EXPORT_SYMBOL_NS_GPL(m10bmc_dev_groups, INTEL_M10_BMC_CORE);
 
 int m10bmc_dev_init(struct intel_m10bmc *m10bmc, const struct intel_m10bmc_platform_info *info)
 {
@@ -106,6 +191,7 @@ int m10bmc_dev_init(struct intel_m10bmc *m10bmc, const struct intel_m10bmc_platf
 
 	m10bmc->info = info;
 	dev_set_drvdata(m10bmc->dev, m10bmc);
+	init_rwsem(&m10bmc->bmcfw_lock);
 
 	ret = devm_mfd_add_devices(m10bmc->dev, PLATFORM_DEVID_AUTO,
 				   info->cells, info->n_cells,
@@ -115,7 +201,7 @@ int m10bmc_dev_init(struct intel_m10bmc *m10bmc, const struct intel_m10bmc_platf
 
 	return ret;
 }
-EXPORT_SYMBOL_GPL(m10bmc_dev_init);
+EXPORT_SYMBOL_NS_GPL(m10bmc_dev_init, INTEL_M10_BMC_CORE);
 
 MODULE_DESCRIPTION("Intel MAX 10 BMC core driver");
 MODULE_AUTHOR("Intel Corporation");
diff --git a/drivers/mfd/intel-m10-bmc-pmci.c b/drivers/mfd/intel-m10-bmc-pmci.c
index 8821f1876dd6..0392ef8b57d8 100644
--- a/drivers/mfd/intel-m10-bmc-pmci.c
+++ b/drivers/mfd/intel-m10-bmc-pmci.c
@@ -453,3 +453,4 @@ module_dfl_driver(m10bmc_pmci_driver);
 MODULE_DESCRIPTION("MAX10 BMC PMCI-based interface");
 MODULE_AUTHOR("Intel Corporation");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(INTEL_M10_BMC_CORE);
diff --git a/drivers/mfd/intel-m10-bmc-spi.c b/drivers/mfd/intel-m10-bmc-spi.c
index 957200e17fed..cbeb7de9e041 100644
--- a/drivers/mfd/intel-m10-bmc-spi.c
+++ b/drivers/mfd/intel-m10-bmc-spi.c
@@ -116,12 +116,20 @@ static struct mfd_cell m10bmc_d5005_subdevs[] = {
 	{ .name = "d5005bmc-sec-update" },
 };
 
+static const struct regmap_range m10bmc_d5005_fw_handshake_regs[] = {
+	regmap_reg_range(M10BMC_N3000_TELEM_START, M10BMC_D5005_TELEM_END),
+};
+
 static struct mfd_cell m10bmc_pacn3000_subdevs[] = {
 	{ .name = "n3000bmc-hwmon" },
 	{ .name = "n3000bmc-retimer" },
 	{ .name = "n3000bmc-sec-update" },
 };
 
+static const struct regmap_range m10bmc_n3000_fw_handshake_regs[] = {
+	regmap_reg_range(M10BMC_N3000_TELEM_START, M10BMC_N3000_TELEM_END),
+};
+
 static struct mfd_cell m10bmc_n5010_subdevs[] = {
 	{ .name = "n5010bmc-hwmon" },
 };
@@ -129,18 +137,24 @@ static struct mfd_cell m10bmc_n5010_subdevs[] = {
 static const struct intel_m10bmc_platform_info m10bmc_spi_n3000 = {
 	.cells = m10bmc_pacn3000_subdevs,
 	.n_cells = ARRAY_SIZE(m10bmc_pacn3000_subdevs),
+	.handshake_sys_reg_ranges = m10bmc_n3000_fw_handshake_regs,
+	.handshake_sys_reg_nranges = ARRAY_SIZE(m10bmc_n3000_fw_handshake_regs),
 	.csr_map = &m10bmc_n3000_csr_map,
 };
 
 static const struct intel_m10bmc_platform_info m10bmc_spi_d5005 = {
 	.cells = m10bmc_d5005_subdevs,
 	.n_cells = ARRAY_SIZE(m10bmc_d5005_subdevs),
+	.handshake_sys_reg_ranges = m10bmc_d5005_fw_handshake_regs,
+	.handshake_sys_reg_nranges = ARRAY_SIZE(m10bmc_d5005_fw_handshake_regs),
 	.csr_map = &m10bmc_n3000_csr_map,
 };
 
 static const struct intel_m10bmc_platform_info m10bmc_spi_n5010 = {
 	.cells = m10bmc_n5010_subdevs,
 	.n_cells = ARRAY_SIZE(m10bmc_n5010_subdevs),
+	.handshake_sys_reg_ranges = m10bmc_n3000_fw_handshake_regs,
+	.handshake_sys_reg_nranges = ARRAY_SIZE(m10bmc_n3000_fw_handshake_regs),
 	.csr_map = &m10bmc_n3000_csr_map,
 };
 
@@ -166,3 +180,4 @@ MODULE_DESCRIPTION("Intel MAX 10 BMC SPI bus interface");
 MODULE_AUTHOR("Intel Corporation");
 MODULE_LICENSE("GPL v2");
 MODULE_ALIAS("spi:intel-m10-bmc");
+MODULE_IMPORT_NS(INTEL_M10_BMC_CORE);
diff --git a/drivers/mfd/intel_soc_pmic_chtdc_ti.c b/drivers/mfd/intel_soc_pmic_chtdc_ti.c
index 282b8fd08009..992855bfda3e 100644
--- a/drivers/mfd/intel_soc_pmic_chtdc_ti.c
+++ b/drivers/mfd/intel_soc_pmic_chtdc_ti.c
@@ -172,7 +172,7 @@ static struct i2c_driver chtdc_ti_i2c_driver = {
 		.pm = pm_sleep_ptr(&chtdc_ti_pm_ops),
 		.acpi_match_table = chtdc_ti_acpi_ids,
 	},
-	.probe_new = chtdc_ti_probe,
+	.probe = chtdc_ti_probe,
 	.shutdown = chtdc_ti_shutdown,
 };
 module_i2c_driver(chtdc_ti_i2c_driver);
diff --git a/drivers/mfd/intel_soc_pmic_chtwc.c b/drivers/mfd/intel_soc_pmic_chtwc.c
index 871776d511e3..7fce3ef7ab45 100644
--- a/drivers/mfd/intel_soc_pmic_chtwc.c
+++ b/drivers/mfd/intel_soc_pmic_chtwc.c
@@ -272,7 +272,7 @@ static struct i2c_driver cht_wc_driver = {
 		.pm     = pm_sleep_ptr(&cht_wc_pm_ops),
 		.acpi_match_table = cht_wc_acpi_ids,
 	},
-	.probe_new = cht_wc_probe,
+	.probe = cht_wc_probe,
 	.shutdown = cht_wc_shutdown,
 	.id_table = cht_wc_i2c_id,
 };
diff --git a/drivers/mfd/intel_soc_pmic_crc.c b/drivers/mfd/intel_soc_pmic_crc.c
index b745ace46e5b..581f81cbaa24 100644
--- a/drivers/mfd/intel_soc_pmic_crc.c
+++ b/drivers/mfd/intel_soc_pmic_crc.c
@@ -263,7 +263,7 @@ static struct i2c_driver crystal_cove_i2c_driver = {
 		.pm = pm_sleep_ptr(&crystal_cove_pm_ops),
 		.acpi_match_table = crystal_cove_acpi_match,
 	},
-	.probe_new = crystal_cove_i2c_probe,
+	.probe = crystal_cove_i2c_probe,
 	.remove = crystal_cove_i2c_remove,
 	.shutdown = crystal_cove_shutdown,
 };
diff --git a/drivers/mfd/iqs62x.c b/drivers/mfd/iqs62x.c
index 1895fce25b06..dfe9cb79e6a1 100644
--- a/drivers/mfd/iqs62x.c
+++ b/drivers/mfd/iqs62x.c
@@ -1069,7 +1069,7 @@ static struct i2c_driver iqs62x_i2c_driver = {
 		.of_match_table = iqs62x_of_match,
 		.pm = &iqs62x_pm,
 	},
-	.probe_new = iqs62x_probe,
+	.probe = iqs62x_probe,
 	.remove = iqs62x_remove,
 };
 module_i2c_driver(iqs62x_i2c_driver);
diff --git a/drivers/mfd/khadas-mcu.c b/drivers/mfd/khadas-mcu.c
index 1c807c0e6d25..61396d824f16 100644
--- a/drivers/mfd/khadas-mcu.c
+++ b/drivers/mfd/khadas-mcu.c
@@ -134,7 +134,7 @@ static struct i2c_driver khadas_mcu_driver = {
 		.name = "khadas-mcu-core",
 		.of_match_table = of_match_ptr(khadas_mcu_of_match),
 	},
-	.probe_new = khadas_mcu_probe,
+	.probe = khadas_mcu_probe,
 };
 module_i2c_driver(khadas_mcu_driver);
 
diff --git a/drivers/mfd/lm3533-core.c b/drivers/mfd/lm3533-core.c
index 946f94f3a3c3..c211183cecb2 100644
--- a/drivers/mfd/lm3533-core.c
+++ b/drivers/mfd/lm3533-core.c
@@ -485,8 +485,6 @@ static int lm3533_device_init(struct lm3533 *lm3533)
 
 	lm3533->gpio_hwen = pdata->gpio_hwen;
 
-	dev_set_drvdata(lm3533->dev, lm3533);
-
 	if (gpio_is_valid(lm3533->gpio_hwen)) {
 		ret = devm_gpio_request_one(lm3533->dev, lm3533->gpio_hwen,
 					GPIOF_OUT_INIT_LOW, "lm3533-hwen");
@@ -626,7 +624,7 @@ static struct i2c_driver lm3533_i2c_driver = {
 		   .name = "lm3533",
 	},
 	.id_table	= lm3533_i2c_ids,
-	.probe_new	= lm3533_i2c_probe,
+	.probe		= lm3533_i2c_probe,
 	.remove		= lm3533_i2c_remove,
 };
 
diff --git a/drivers/mfd/lochnagar-i2c.c b/drivers/mfd/lochnagar-i2c.c
index 3a65d9938902..3c8843117080 100644
--- a/drivers/mfd/lochnagar-i2c.c
+++ b/drivers/mfd/lochnagar-i2c.c
@@ -382,7 +382,7 @@ static struct i2c_driver lochnagar_i2c_driver = {
 		.of_match_table = of_match_ptr(lochnagar_of_match),
 		.suppress_bind_attrs = true,
 	},
-	.probe_new = lochnagar_i2c_probe,
+	.probe = lochnagar_i2c_probe,
 };
 
 static int __init lochnagar_i2c_init(void)
diff --git a/drivers/mfd/lp3943.c b/drivers/mfd/lp3943.c
index f9f39b53d030..7f749a23dca8 100644
--- a/drivers/mfd/lp3943.c
+++ b/drivers/mfd/lp3943.c
@@ -140,7 +140,7 @@ MODULE_DEVICE_TABLE(of, lp3943_of_match);
 #endif
 
 static struct i2c_driver lp3943_driver = {
-	.probe_new = lp3943_probe,
+	.probe = lp3943_probe,
 	.driver = {
 		.name = "lp3943",
 		.of_match_table = of_match_ptr(lp3943_of_match),
diff --git a/drivers/mfd/lp873x.c b/drivers/mfd/lp873x.c
index c81c5c9ad748..6639f0fad4ea 100644
--- a/drivers/mfd/lp873x.c
+++ b/drivers/mfd/lp873x.c
@@ -78,7 +78,7 @@ static struct i2c_driver lp873x_driver = {
 		.name	= "lp873x",
 		.of_match_table = of_lp873x_match_table,
 	},
-	.probe_new	= lp873x_probe,
+	.probe		= lp873x_probe,
 	.id_table	= lp873x_id_table,
 };
 module_i2c_driver(lp873x_driver);
diff --git a/drivers/mfd/lp87565.c b/drivers/mfd/lp87565.c
index 568f0f01ea0d..88ce4d7c50a7 100644
--- a/drivers/mfd/lp87565.c
+++ b/drivers/mfd/lp87565.c
@@ -119,7 +119,7 @@ static struct i2c_driver lp87565_driver = {
 		.name	= "lp87565",
 		.of_match_table = of_lp87565_match_table,
 	},
-	.probe_new = lp87565_probe,
+	.probe = lp87565_probe,
 	.shutdown = lp87565_shutdown,
 	.id_table = lp87565_id_table,
 };
diff --git a/drivers/mfd/lp8788.c b/drivers/mfd/lp8788.c
index 18583addaae2..f371eeb042e0 100644
--- a/drivers/mfd/lp8788.c
+++ b/drivers/mfd/lp8788.c
@@ -225,7 +225,7 @@ static struct i2c_driver lp8788_driver = {
 	.driver = {
 		.name = "lp8788",
 	},
-	.probe_new = lp8788_probe,
+	.probe = lp8788_probe,
 	.remove = lp8788_remove,
 	.id_table = lp8788_ids,
 };
diff --git a/drivers/mfd/madera-i2c.c b/drivers/mfd/madera-i2c.c
index 47e65d88feb0..0968aa9733ac 100644
--- a/drivers/mfd/madera-i2c.c
+++ b/drivers/mfd/madera-i2c.c
@@ -139,7 +139,7 @@ static struct i2c_driver madera_i2c_driver = {
 		.pm	= &madera_pm_ops,
 		.of_match_table	= of_match_ptr(madera_of_match),
 	},
-	.probe_new	= madera_i2c_probe,
+	.probe		= madera_i2c_probe,
 	.remove		= madera_i2c_remove,
 	.id_table	= madera_i2c_id,
 };
diff --git a/drivers/mfd/max14577.c b/drivers/mfd/max14577.c
index 0e3731e9e9b5..25ed8846b7fb 100644
--- a/drivers/mfd/max14577.c
+++ b/drivers/mfd/max14577.c
@@ -518,7 +518,7 @@ static struct i2c_driver max14577_i2c_driver = {
 		.pm = pm_sleep_ptr(&max14577_pm),
 		.of_match_table = max14577_dt_match,
 	},
-	.probe_new = max14577_i2c_probe,
+	.probe = max14577_i2c_probe,
 	.remove = max14577_i2c_remove,
 	.id_table = max14577_i2c_id,
 };
diff --git a/drivers/mfd/max77541.c b/drivers/mfd/max77541.c
new file mode 100644
index 000000000000..e147e949c2b3
--- /dev/null
+++ b/drivers/mfd/max77541.c
@@ -0,0 +1,224 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2022 Analog Devices, Inc.
+ * Driver for the MAX77540 and MAX77541
+ */
+
+#include <linux/i2c.h>
+#include <linux/interrupt.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/max77541.h>
+#include <linux/property.h>
+#include <linux/regmap.h>
+
+static const struct regmap_config max77541_regmap_config = {
+	.reg_bits   = 8,
+	.val_bits   = 8,
+};
+
+static const struct regmap_irq max77541_src_irqs[] = {
+	{ .mask = MAX77541_BIT_INT_SRC_TOPSYS },
+	{ .mask = MAX77541_BIT_INT_SRC_BUCK },
+};
+
+static const struct regmap_irq_chip max77541_src_irq_chip = {
+	.name		= "max77541-src",
+	.status_base	= MAX77541_REG_INT_SRC,
+	.mask_base	= MAX77541_REG_INT_SRC_M,
+	.num_regs	= 1,
+	.irqs		= max77541_src_irqs,
+	.num_irqs       = ARRAY_SIZE(max77541_src_irqs),
+};
+
+static const struct regmap_irq max77541_topsys_irqs[] = {
+	{ .mask = MAX77541_BIT_TOPSYS_INT_TJ_120C },
+	{ .mask = MAX77541_BIT_TOPSYS_INT_TJ_140C },
+	{ .mask = MAX77541_BIT_TOPSYS_INT_TSHDN },
+	{ .mask = MAX77541_BIT_TOPSYS_INT_UVLO },
+	{ .mask = MAX77541_BIT_TOPSYS_INT_ALT_SWO },
+	{ .mask = MAX77541_BIT_TOPSYS_INT_EXT_FREQ_DET },
+};
+
+static const struct regmap_irq_chip max77541_topsys_irq_chip = {
+	.name		= "max77541-topsys",
+	.status_base	= MAX77541_REG_TOPSYS_INT,
+	.mask_base	= MAX77541_REG_TOPSYS_INT_M,
+	.num_regs	= 1,
+	.irqs		= max77541_topsys_irqs,
+	.num_irqs	= ARRAY_SIZE(max77541_topsys_irqs),
+};
+
+static const struct regmap_irq max77541_buck_irqs[] = {
+	{ .mask = MAX77541_BIT_BUCK_INT_M1_POK_FLT },
+	{ .mask = MAX77541_BIT_BUCK_INT_M2_POK_FLT },
+	{ .mask = MAX77541_BIT_BUCK_INT_M1_SCFLT },
+	{ .mask = MAX77541_BIT_BUCK_INT_M2_SCFLT },
+};
+
+static const struct regmap_irq_chip max77541_buck_irq_chip = {
+	.name		= "max77541-buck",
+	.status_base	= MAX77541_REG_BUCK_INT,
+	.mask_base	= MAX77541_REG_BUCK_INT_M,
+	.num_regs	= 1,
+	.irqs		= max77541_buck_irqs,
+	.num_irqs	= ARRAY_SIZE(max77541_buck_irqs),
+};
+
+static const struct regmap_irq max77541_adc_irqs[] = {
+	{ .mask = MAX77541_BIT_ADC_INT_CH1_I },
+	{ .mask = MAX77541_BIT_ADC_INT_CH2_I },
+	{ .mask = MAX77541_BIT_ADC_INT_CH3_I },
+	{ .mask = MAX77541_BIT_ADC_INT_CH6_I },
+};
+
+static const struct regmap_irq_chip max77541_adc_irq_chip = {
+	.name		= "max77541-adc",
+	.status_base	= MAX77541_REG_ADC_INT,
+	.mask_base	= MAX77541_REG_ADC_INT_M,
+	.num_regs	= 1,
+	.irqs		= max77541_adc_irqs,
+	.num_irqs	= ARRAY_SIZE(max77541_adc_irqs),
+};
+
+static const struct mfd_cell max77540_devs[] = {
+	MFD_CELL_OF("max77540-regulator", NULL, NULL, 0, 0, NULL),
+};
+
+static const struct mfd_cell max77541_devs[] = {
+	MFD_CELL_OF("max77541-regulator", NULL, NULL, 0, 0, NULL),
+	MFD_CELL_OF("max77541-adc", NULL, NULL, 0, 0, NULL),
+};
+
+static int max77541_pmic_irq_init(struct device *dev)
+{
+	struct max77541 *max77541 = dev_get_drvdata(dev);
+	int irq = max77541->i2c->irq;
+	int ret;
+
+	ret = devm_regmap_add_irq_chip(dev, max77541->regmap, irq,
+				       IRQF_ONESHOT | IRQF_SHARED, 0,
+				       &max77541_src_irq_chip,
+				       &max77541->irq_data);
+	if (ret)
+		return ret;
+
+	ret = devm_regmap_add_irq_chip(dev, max77541->regmap, irq,
+				       IRQF_ONESHOT | IRQF_SHARED, 0,
+				       &max77541_topsys_irq_chip,
+				       &max77541->irq_topsys);
+	if (ret)
+		return ret;
+
+	ret = devm_regmap_add_irq_chip(dev, max77541->regmap, irq,
+				       IRQF_ONESHOT | IRQF_SHARED, 0,
+				       &max77541_buck_irq_chip,
+				       &max77541->irq_buck);
+	if (ret)
+		return ret;
+
+	if (max77541->id == MAX77541) {
+		ret = devm_regmap_add_irq_chip(dev, max77541->regmap, irq,
+					       IRQF_ONESHOT | IRQF_SHARED, 0,
+					       &max77541_adc_irq_chip,
+					       &max77541->irq_adc);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
+static int max77541_pmic_setup(struct device *dev)
+{
+	struct max77541 *max77541 = dev_get_drvdata(dev);
+	const struct mfd_cell *cells;
+	int n_devs;
+	int ret;
+
+	switch (max77541->id) {
+	case MAX77540:
+		cells =  max77540_devs;
+		n_devs = ARRAY_SIZE(max77540_devs);
+		break;
+	case MAX77541:
+		cells =  max77541_devs;
+		n_devs = ARRAY_SIZE(max77541_devs);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	ret = max77541_pmic_irq_init(dev);
+	if (ret)
+		return dev_err_probe(dev, ret, "Failed to initialize IRQ\n");
+
+	ret = device_init_wakeup(dev, true);
+	if (ret)
+		return dev_err_probe(dev, ret, "Unable to init wakeup\n");
+
+	return devm_mfd_add_devices(dev, PLATFORM_DEVID_NONE,
+				    cells, n_devs, NULL, 0, NULL);
+}
+
+static int max77541_probe(struct i2c_client *client)
+{
+	const struct i2c_device_id *id = i2c_client_get_device_id(client);
+	struct device *dev = &client->dev;
+	struct max77541 *max77541;
+
+	max77541 = devm_kzalloc(dev, sizeof(*max77541), GFP_KERNEL);
+	if (!max77541)
+		return -ENOMEM;
+
+	i2c_set_clientdata(client, max77541);
+	max77541->i2c = client;
+
+	max77541->id  = (enum max7754x_ids)device_get_match_data(dev);
+	if (!max77541->id)
+		max77541->id  = (enum max7754x_ids)id->driver_data;
+
+	if (!max77541->id)
+		return -EINVAL;
+
+	max77541->regmap = devm_regmap_init_i2c(client,
+						&max77541_regmap_config);
+	if (IS_ERR(max77541->regmap))
+		return dev_err_probe(dev, PTR_ERR(max77541->regmap),
+				     "Failed to allocate register map\n");
+
+	return max77541_pmic_setup(dev);
+}
+
+static const struct of_device_id max77541_of_id[] = {
+	{
+		.compatible = "adi,max77540",
+		.data = (void *)MAX77540,
+	},
+	{
+		.compatible = "adi,max77541",
+		.data = (void *)MAX77541,
+	},
+	{ }
+};
+MODULE_DEVICE_TABLE(of, max77541_of_id);
+
+static const struct i2c_device_id max77541_id[] = {
+	{ "max77540", MAX77540 },
+	{ "max77541", MAX77541 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, max77541_id);
+
+static struct i2c_driver max77541_driver = {
+	.driver = {
+		.name = "max77541",
+		.of_match_table = max77541_of_id,
+	},
+	.probe = max77541_probe,
+	.id_table = max77541_id,
+};
+module_i2c_driver(max77541_driver);
+
+MODULE_DESCRIPTION("MAX7740/MAX7741 Driver");
+MODULE_AUTHOR("Okan Sahin <okan.sahin@analog.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/mfd/max77620.c b/drivers/mfd/max77620.c
index cbd2297126f0..5811ed8f4840 100644
--- a/drivers/mfd/max77620.c
+++ b/drivers/mfd/max77620.c
@@ -698,7 +698,7 @@ static struct i2c_driver max77620_driver = {
 		.name = "max77620",
 		.pm = pm_sleep_ptr(&max77620_pm_ops),
 	},
-	.probe_new = max77620_probe,
+	.probe = max77620_probe,
 	.id_table = max77620_id,
 };
 builtin_i2c_driver(max77620_driver);
diff --git a/drivers/mfd/max77650.c b/drivers/mfd/max77650.c
index 3c07fcdd9d07..75b5dc44e38c 100644
--- a/drivers/mfd/max77650.c
+++ b/drivers/mfd/max77650.c
@@ -222,7 +222,7 @@ static struct i2c_driver max77650_i2c_driver = {
 		.name = "max77650",
 		.of_match_table = max77650_of_match,
 	},
-	.probe_new = max77650_i2c_probe,
+	.probe = max77650_i2c_probe,
 };
 module_i2c_driver(max77650_i2c_driver);
 
diff --git a/drivers/mfd/max77686.c b/drivers/mfd/max77686.c
index f8e863f3fc95..01833086ca7d 100644
--- a/drivers/mfd/max77686.c
+++ b/drivers/mfd/max77686.c
@@ -269,7 +269,7 @@ static struct i2c_driver max77686_i2c_driver = {
 		   .pm = pm_sleep_ptr(&max77686_pm),
 		   .of_match_table = max77686_pmic_dt_match,
 	},
-	.probe_new = max77686_i2c_probe,
+	.probe = max77686_i2c_probe,
 };
 
 module_i2c_driver(max77686_i2c_driver);
diff --git a/drivers/mfd/max77693.c b/drivers/mfd/max77693.c
index 3995e8769f49..1c485a4c3dcf 100644
--- a/drivers/mfd/max77693.c
+++ b/drivers/mfd/max77693.c
@@ -356,7 +356,7 @@ static struct i2c_driver max77693_i2c_driver = {
 		   .pm = &max77693_pm,
 		   .of_match_table = of_match_ptr(max77693_dt_match),
 	},
-	.probe_new = max77693_i2c_probe,
+	.probe = max77693_i2c_probe,
 	.remove = max77693_i2c_remove,
 	.id_table = max77693_i2c_id,
 };
diff --git a/drivers/mfd/max77714.c b/drivers/mfd/max77714.c
index 143a432ea343..c618605a3fb2 100644
--- a/drivers/mfd/max77714.c
+++ b/drivers/mfd/max77714.c
@@ -143,7 +143,7 @@ static struct i2c_driver max77714_driver = {
 		.name = "max77714",
 		.of_match_table = max77714_dt_match,
 	},
-	.probe_new = max77714_probe,
+	.probe = max77714_probe,
 };
 module_i2c_driver(max77714_driver);
 
diff --git a/drivers/mfd/max77843.c b/drivers/mfd/max77843.c
index 8ff0723808c8..b3689c13a14d 100644
--- a/drivers/mfd/max77843.c
+++ b/drivers/mfd/max77843.c
@@ -207,7 +207,7 @@ static struct i2c_driver max77843_i2c_driver = {
 		.of_match_table = max77843_dt_match,
 		.suppress_bind_attrs = true,
 	},
-	.probe_new = max77843_probe,
+	.probe = max77843_probe,
 	.id_table = max77843_id,
 };
 
diff --git a/drivers/mfd/max8907.c b/drivers/mfd/max8907.c
index a69b865c6eac..78b5ee688dec 100644
--- a/drivers/mfd/max8907.c
+++ b/drivers/mfd/max8907.c
@@ -201,8 +201,6 @@ static int max8907_i2c_probe(struct i2c_client *i2c)
 	}
 
 	max8907->dev = &i2c->dev;
-	dev_set_drvdata(max8907->dev, max8907);
-
 	max8907->i2c_gen = i2c;
 	i2c_set_clientdata(i2c, max8907);
 	max8907->regmap_gen = devm_regmap_init_i2c(i2c,
@@ -313,7 +311,7 @@ static struct i2c_driver max8907_i2c_driver = {
 		.name = "max8907",
 		.of_match_table = of_match_ptr(max8907_of_match),
 	},
-	.probe_new = max8907_i2c_probe,
+	.probe = max8907_i2c_probe,
 	.remove = max8907_i2c_remove,
 	.id_table = max8907_i2c_id,
 };
diff --git a/drivers/mfd/max8925-i2c.c b/drivers/mfd/max8925-i2c.c
index 4057fd15c29e..7608000488f9 100644
--- a/drivers/mfd/max8925-i2c.c
+++ b/drivers/mfd/max8925-i2c.c
@@ -172,7 +172,6 @@ static int max8925_probe(struct i2c_client *client)
 	chip->i2c = client;
 	chip->dev = &client->dev;
 	i2c_set_clientdata(client, chip);
-	dev_set_drvdata(chip->dev, chip);
 	mutex_init(&chip->io_lock);
 
 	chip->rtc = i2c_new_dummy_device(chip->i2c->adapter, RTC_I2C_ADDR);
@@ -240,7 +239,7 @@ static struct i2c_driver max8925_driver = {
 		.pm     = pm_sleep_ptr(&max8925_pm_ops),
 		.of_match_table = max8925_dt_ids,
 	},
-	.probe_new	= max8925_probe,
+	.probe		= max8925_probe,
 	.remove		= max8925_remove,
 	.id_table	= max8925_id_table,
 };
diff --git a/drivers/mfd/max8997.c b/drivers/mfd/max8997.c
index 79d551b86150..94c09a5eab32 100644
--- a/drivers/mfd/max8997.c
+++ b/drivers/mfd/max8997.c
@@ -478,7 +478,7 @@ static struct i2c_driver max8997_i2c_driver = {
 		   .suppress_bind_attrs = true,
 		   .of_match_table = of_match_ptr(max8997_pmic_dt_match),
 	},
-	.probe_new = max8997_i2c_probe,
+	.probe = max8997_i2c_probe,
 	.id_table = max8997_i2c_id,
 };
 
diff --git a/drivers/mfd/max8998.c b/drivers/mfd/max8998.c
index 122f7b931f5a..33a3ec5464fb 100644
--- a/drivers/mfd/max8998.c
+++ b/drivers/mfd/max8998.c
@@ -348,7 +348,7 @@ static struct i2c_driver max8998_i2c_driver = {
 		   .suppress_bind_attrs = true,
 		   .of_match_table = of_match_ptr(max8998_dt_match),
 	},
-	.probe_new = max8998_i2c_probe,
+	.probe = max8998_i2c_probe,
 	.id_table = max8998_i2c_id,
 };
 
diff --git a/drivers/mfd/mc13xxx-i2c.c b/drivers/mfd/mc13xxx-i2c.c
index 633b973a5ba7..de59b498c925 100644
--- a/drivers/mfd/mc13xxx-i2c.c
+++ b/drivers/mfd/mc13xxx-i2c.c
@@ -95,7 +95,7 @@ static struct i2c_driver mc13xxx_i2c_driver = {
 		.name = "mc13xxx",
 		.of_match_table = mc13xxx_dt_ids,
 	},
-	.probe_new = mc13xxx_i2c_probe,
+	.probe = mc13xxx_i2c_probe,
 	.remove = mc13xxx_i2c_remove,
 };
 
diff --git a/drivers/mfd/menelaus.c b/drivers/mfd/menelaus.c
index c2866a11c1d2..662604ea97f2 100644
--- a/drivers/mfd/menelaus.c
+++ b/drivers/mfd/menelaus.c
@@ -1240,7 +1240,7 @@ static struct i2c_driver menelaus_i2c_driver = {
 	.driver = {
 		.name		= DRIVER_NAME,
 	},
-	.probe_new	= menelaus_probe,
+	.probe		= menelaus_probe,
 	.remove		= menelaus_remove,
 	.id_table	= menelaus_id,
 };
diff --git a/drivers/mfd/menf21bmc.c b/drivers/mfd/menf21bmc.c
index 9092fac46e35..1d36095155e0 100644
--- a/drivers/mfd/menf21bmc.c
+++ b/drivers/mfd/menf21bmc.c
@@ -111,7 +111,7 @@ MODULE_DEVICE_TABLE(i2c, menf21bmc_id_table);
 static struct i2c_driver menf21bmc_driver = {
 	.driver.name	= "menf21bmc",
 	.id_table	= menf21bmc_id_table,
-	.probe_new	= menf21bmc_probe,
+	.probe		= menf21bmc_probe,
 };
 
 module_i2c_driver(menf21bmc_driver);
diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c
index 695d50b3bac6..0ed7c0d7784e 100644
--- a/drivers/mfd/mfd-core.c
+++ b/drivers/mfd/mfd-core.c
@@ -102,7 +102,6 @@ static int mfd_match_of_node_to_dev(struct platform_device *pdev,
 {
 #if IS_ENABLED(CONFIG_OF)
 	struct mfd_of_node_entry *of_entry;
-	const __be32 *reg;
 	u64 of_node_addr;
 
 	/* Skip if OF node has previously been allocated to a device */
@@ -115,13 +114,10 @@ static int mfd_match_of_node_to_dev(struct platform_device *pdev,
 		goto allocate_of_node;
 
 	/* We only care about each node's first defined address */
-	reg = of_get_address(np, 0, NULL, NULL);
-	if (!reg)
+	if (of_property_read_reg(np, 0, &of_node_addr, NULL))
 		/* OF node does not contatin a 'reg' property to match to */
 		return -EAGAIN;
 
-	of_node_addr = of_read_number(reg, of_n_addr_cells(np));
-
 	if (cell->of_reg != of_node_addr)
 		/* No match */
 		return -EAGAIN;
diff --git a/drivers/mfd/mp2629.c b/drivers/mfd/mp2629.c
index 16840ec5fd1c..717b704c3c6b 100644
--- a/drivers/mfd/mp2629.c
+++ b/drivers/mfd/mp2629.c
@@ -70,7 +70,7 @@ static struct i2c_driver mp2629_driver = {
 		.name = "mp2629",
 		.of_match_table = mp2629_of_match,
 	},
-	.probe_new	= mp2629_probe,
+	.probe		= mp2629_probe,
 };
 module_i2c_driver(mp2629_driver);
 
diff --git a/drivers/mfd/mt6360-core.c b/drivers/mfd/mt6360-core.c
index d3b32eb79837..2685efa5c9e2 100644
--- a/drivers/mfd/mt6360-core.c
+++ b/drivers/mfd/mt6360-core.c
@@ -623,7 +623,7 @@ static struct i2c_driver mt6360_driver = {
 		.pm = &mt6360_pm_ops,
 		.of_match_table = of_match_ptr(mt6360_of_id),
 	},
-	.probe_new = mt6360_probe,
+	.probe = mt6360_probe,
 };
 module_i2c_driver(mt6360_driver);
 
diff --git a/drivers/mfd/mt6370.c b/drivers/mfd/mt6370.c
index cf19cce2fdc0..c126ccb25d66 100644
--- a/drivers/mfd/mt6370.c
+++ b/drivers/mfd/mt6370.c
@@ -303,7 +303,7 @@ static struct i2c_driver mt6370_driver = {
 		.name = "mt6370",
 		.of_match_table = mt6370_match_table,
 	},
-	.probe_new = mt6370_probe,
+	.probe = mt6370_probe,
 };
 module_i2c_driver(mt6370_driver);
 
diff --git a/drivers/mfd/ntxec.c b/drivers/mfd/ntxec.c
index b02785b10d48..4416cd37e539 100644
--- a/drivers/mfd/ntxec.c
+++ b/drivers/mfd/ntxec.c
@@ -260,7 +260,7 @@ static struct i2c_driver ntxec_driver = {
 		.name = "ntxec",
 		.of_match_table = of_ntxec_match_table,
 	},
-	.probe_new = ntxec_probe,
+	.probe = ntxec_probe,
 	.remove = ntxec_remove,
 };
 module_i2c_driver(ntxec_driver);
diff --git a/drivers/mfd/palmas.c b/drivers/mfd/palmas.c
index b8383c6cba3f..a36f12402987 100644
--- a/drivers/mfd/palmas.c
+++ b/drivers/mfd/palmas.c
@@ -725,7 +725,7 @@ static struct i2c_driver palmas_i2c_driver = {
 		   .name = "palmas",
 		   .of_match_table = of_palmas_match_tbl,
 	},
-	.probe_new = palmas_i2c_probe,
+	.probe = palmas_i2c_probe,
 	.remove = palmas_i2c_remove,
 	.id_table = palmas_i2c_id,
 };
diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c
index 0e4fc99e9f49..014a68711b18 100644
--- a/drivers/mfd/pcf50633-core.c
+++ b/drivers/mfd/pcf50633-core.c
@@ -282,7 +282,7 @@ static struct i2c_driver pcf50633_driver = {
 		.pm	= pm_sleep_ptr(&pcf50633_pm),
 	},
 	.id_table = pcf50633_id_table,
-	.probe_new = pcf50633_probe,
+	.probe = pcf50633_probe,
 	.remove = pcf50633_remove,
 };
 
diff --git a/drivers/mfd/qcom-pm8008.c b/drivers/mfd/qcom-pm8008.c
index 837246aab4ac..94a8cca1d955 100644
--- a/drivers/mfd/qcom-pm8008.c
+++ b/drivers/mfd/qcom-pm8008.c
@@ -199,15 +199,15 @@ static const struct of_device_id pm8008_match[] = {
 	{ .compatible = "qcom,pm8008", },
 	{ },
 };
+MODULE_DEVICE_TABLE(of, pm8008_match);
 
 static struct i2c_driver pm8008_mfd_driver = {
 	.driver = {
 		.name = "pm8008",
 		.of_match_table = pm8008_match,
 	},
-	.probe_new = pm8008_probe,
+	.probe = pm8008_probe,
 };
 module_i2c_driver(pm8008_mfd_driver);
 
 MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("i2c:qcom-pm8008");
diff --git a/drivers/mfd/rc5t583-irq.c b/drivers/mfd/rc5t583-irq.c
index 621ea61fa7c6..97f52b671520 100644
--- a/drivers/mfd/rc5t583-irq.c
+++ b/drivers/mfd/rc5t583-irq.c
@@ -8,9 +8,9 @@
  * based on code
  *      Copyright (C) 2011 RICOH COMPANY,LTD
  */
+#include <linux/device.h>
 #include <linux/interrupt.h>
 #include <linux/irq.h>
-#include <linux/i2c.h>
 #include <linux/mfd/rc5t583.h>
 
 enum int_type {
diff --git a/drivers/mfd/rc5t583.c b/drivers/mfd/rc5t583.c
index df83cc399315..5e81f011363f 100644
--- a/drivers/mfd/rc5t583.c
+++ b/drivers/mfd/rc5t583.c
@@ -288,7 +288,7 @@ static struct i2c_driver rc5t583_i2c_driver = {
 	.driver = {
 		   .name = "rc5t583",
 		   },
-	.probe_new = rc5t583_i2c_probe,
+	.probe = rc5t583_i2c_probe,
 	.id_table = rc5t583_i2c_id,
 };
 
diff --git a/drivers/mfd/retu-mfd.c b/drivers/mfd/retu-mfd.c
index d71483859e2e..b50cfa7f4b8f 100644
--- a/drivers/mfd/retu-mfd.c
+++ b/drivers/mfd/retu-mfd.c
@@ -318,7 +318,7 @@ static struct i2c_driver retu_driver = {
 		.name = "retu-mfd",
 		.of_match_table = retu_of_match,
 	},
-	.probe_new	= retu_probe,
+	.probe		= retu_probe,
 	.remove		= retu_remove,
 	.id_table	= retu_id,
 };
diff --git a/drivers/mfd/rk8xx-i2c.c b/drivers/mfd/rk8xx-i2c.c
index 2822bfa8a04a..1a98feea97e2 100644
--- a/drivers/mfd/rk8xx-i2c.c
+++ b/drivers/mfd/rk8xx-i2c.c
@@ -173,7 +173,7 @@ static struct i2c_driver rk8xx_i2c_driver = {
 		.of_match_table = rk8xx_i2c_of_match,
 		.pm = &rk8xx_i2c_pm_ops,
 	},
-	.probe_new = rk8xx_i2c_probe,
+	.probe = rk8xx_i2c_probe,
 	.shutdown  = rk8xx_i2c_shutdown,
 };
 module_i2c_driver(rk8xx_i2c_driver);
diff --git a/drivers/mfd/rn5t618.c b/drivers/mfd/rn5t618.c
index 2f59230749cd..333fef8729a5 100644
--- a/drivers/mfd/rn5t618.c
+++ b/drivers/mfd/rn5t618.c
@@ -280,7 +280,7 @@ static struct i2c_driver rn5t618_i2c_driver = {
 		.of_match_table = of_match_ptr(rn5t618_of_match),
 		.pm = &rn5t618_i2c_dev_pm_ops,
 	},
-	.probe_new = rn5t618_i2c_probe,
+	.probe = rn5t618_i2c_probe,
 	.remove = rn5t618_i2c_remove,
 };
 
diff --git a/drivers/mfd/rohm-bd71828.c b/drivers/mfd/rohm-bd71828.c
index 7eb920633ee9..93d80a79b901 100644
--- a/drivers/mfd/rohm-bd71828.c
+++ b/drivers/mfd/rohm-bd71828.c
@@ -564,7 +564,7 @@ static struct i2c_driver bd71828_drv = {
 		.name = "rohm-bd71828",
 		.of_match_table = bd71828_of_match,
 	},
-	.probe_new = &bd71828_i2c_probe,
+	.probe = bd71828_i2c_probe,
 };
 module_i2c_driver(bd71828_drv);
 
diff --git a/drivers/mfd/rohm-bd718x7.c b/drivers/mfd/rohm-bd718x7.c
index 378eb1a692e4..0b58ecc78334 100644
--- a/drivers/mfd/rohm-bd718x7.c
+++ b/drivers/mfd/rohm-bd718x7.c
@@ -208,7 +208,7 @@ static struct i2c_driver bd718xx_i2c_driver = {
 		.name = "rohm-bd718x7",
 		.of_match_table = bd718xx_of_match,
 	},
-	.probe_new = bd718xx_i2c_probe,
+	.probe = bd718xx_i2c_probe,
 };
 
 static int __init bd718xx_i2c_init(void)
diff --git a/drivers/mfd/rohm-bd9576.c b/drivers/mfd/rohm-bd9576.c
index 6491e385d980..645673322ec0 100644
--- a/drivers/mfd/rohm-bd9576.c
+++ b/drivers/mfd/rohm-bd9576.c
@@ -178,7 +178,7 @@ static struct i2c_driver bd957x_drv = {
 		.name = "rohm-bd957x",
 		.of_match_table = bd957x_of_match,
 	},
-	.probe_new = &bd957x_i2c_probe,
+	.probe = bd957x_i2c_probe,
 };
 module_i2c_driver(bd957x_drv);
 
diff --git a/drivers/mfd/rsmu_i2c.c b/drivers/mfd/rsmu_i2c.c
index 807c32101460..26972a5aff45 100644
--- a/drivers/mfd/rsmu_i2c.c
+++ b/drivers/mfd/rsmu_i2c.c
@@ -279,7 +279,7 @@ static struct i2c_driver rsmu_i2c_driver = {
 		.name = "rsmu-i2c",
 		.of_match_table = of_match_ptr(rsmu_i2c_of_match),
 	},
-	.probe_new = rsmu_i2c_probe,
+	.probe = rsmu_i2c_probe,
 	.remove	= rsmu_i2c_remove,
 	.id_table = rsmu_i2c_id,
 };
diff --git a/drivers/mfd/rt4831.c b/drivers/mfd/rt4831.c
index c6d34dc2b520..f8d6dc55b558 100644
--- a/drivers/mfd/rt4831.c
+++ b/drivers/mfd/rt4831.c
@@ -109,7 +109,7 @@ static struct i2c_driver rt4831_driver = {
 		.name = "rt4831",
 		.of_match_table = rt4831_of_match,
 	},
-	.probe_new = rt4831_probe,
+	.probe = rt4831_probe,
 	.remove = rt4831_remove,
 };
 module_i2c_driver(rt4831_driver);
diff --git a/drivers/mfd/rt5033.c b/drivers/mfd/rt5033.c
index a5e520fe50a1..67b0a228db24 100644
--- a/drivers/mfd/rt5033.c
+++ b/drivers/mfd/rt5033.c
@@ -41,9 +41,6 @@ static const struct mfd_cell rt5033_devs[] = {
 		.name = "rt5033-charger",
 		.of_compatible = "richtek,rt5033-charger",
 	}, {
-		.name = "rt5033-battery",
-		.of_compatible = "richtek,rt5033-battery",
-	}, {
 		.name = "rt5033-led",
 		.of_compatible = "richtek,rt5033-led",
 	},
@@ -58,7 +55,7 @@ static const struct regmap_config rt5033_regmap_config = {
 static int rt5033_i2c_probe(struct i2c_client *i2c)
 {
 	struct rt5033_dev *rt5033;
-	unsigned int dev_id;
+	unsigned int dev_id, chip_rev;
 	int ret;
 
 	rt5033 = devm_kzalloc(&i2c->dev, sizeof(*rt5033), GFP_KERNEL);
@@ -81,7 +78,8 @@ static int rt5033_i2c_probe(struct i2c_client *i2c)
 		dev_err(&i2c->dev, "Device not found\n");
 		return -ENODEV;
 	}
-	dev_info(&i2c->dev, "Device found Device ID: %04x\n", dev_id);
+	chip_rev = dev_id & RT5033_CHIP_REV_MASK;
+	dev_info(&i2c->dev, "Device found (rev. %d)\n", chip_rev);
 
 	ret = regmap_add_irq_chip(rt5033->regmap, rt5033->irq,
 			IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
@@ -122,7 +120,7 @@ static struct i2c_driver rt5033_driver = {
 		.name = "rt5033",
 		.of_match_table = rt5033_dt_match,
 	},
-	.probe_new = rt5033_i2c_probe,
+	.probe = rt5033_i2c_probe,
 	.id_table = rt5033_i2c_id,
 };
 module_i2c_driver(rt5033_driver);
diff --git a/drivers/mfd/rt5120.c b/drivers/mfd/rt5120.c
index 829b7a0a0781..58d9a124d795 100644
--- a/drivers/mfd/rt5120.c
+++ b/drivers/mfd/rt5120.c
@@ -114,7 +114,7 @@ static struct i2c_driver rt5120_driver = {
 		.name = "rt5120",
 		.of_match_table = rt5120_device_match_table,
 	},
-	.probe_new = rt5120_probe,
+	.probe = rt5120_probe,
 };
 module_i2c_driver(rt5120_driver);
 
diff --git a/drivers/mfd/sec-core.c b/drivers/mfd/sec-core.c
index c2d0ed496959..d2f631901886 100644
--- a/drivers/mfd/sec-core.c
+++ b/drivers/mfd/sec-core.c
@@ -450,7 +450,7 @@ static struct i2c_driver sec_pmic_driver = {
 		   .pm = pm_sleep_ptr(&sec_pmic_pm_ops),
 		   .of_match_table = sec_dt_match,
 	},
-	.probe_new = sec_pmic_probe,
+	.probe = sec_pmic_probe,
 	.shutdown = sec_pmic_shutdown,
 };
 module_i2c_driver(sec_pmic_driver);
diff --git a/drivers/mfd/si476x-i2c.c b/drivers/mfd/si476x-i2c.c
index 22131cf85e3f..899c0b5ea3aa 100644
--- a/drivers/mfd/si476x-i2c.c
+++ b/drivers/mfd/si476x-i2c.c
@@ -866,7 +866,7 @@ static struct i2c_driver si476x_core_driver = {
 	.driver		= {
 		.name	= "si476x-core",
 	},
-	.probe_new	= si476x_core_probe,
+	.probe		= si476x_core_probe,
 	.remove         = si476x_core_remove,
 	.id_table       = si476x_id,
 };
diff --git a/drivers/mfd/simple-mfd-i2c.c b/drivers/mfd/simple-mfd-i2c.c
index 20782b4dd172..6eda79533208 100644
--- a/drivers/mfd/simple-mfd-i2c.c
+++ b/drivers/mfd/simple-mfd-i2c.c
@@ -72,28 +72,28 @@ static const struct simple_mfd_data silergy_sy7636a = {
 	.mfd_cell_size = ARRAY_SIZE(sy7636a_cells),
 };
 
-static const struct mfd_cell max597x_cells[] = {
-	{ .name = "max597x-regulator", },
-	{ .name = "max597x-iio", },
-	{ .name = "max597x-led", },
+static const struct mfd_cell max5970_cells[] = {
+	{ .name = "max5970-regulator", },
+	{ .name = "max5970-iio", },
+	{ .name = "max5970-led", },
 };
 
-static const struct simple_mfd_data maxim_max597x = {
-	.mfd_cell = max597x_cells,
-	.mfd_cell_size = ARRAY_SIZE(max597x_cells),
+static const struct simple_mfd_data maxim_max5970 = {
+	.mfd_cell = max5970_cells,
+	.mfd_cell_size = ARRAY_SIZE(max5970_cells),
 };
 
 static const struct of_device_id simple_mfd_i2c_of_match[] = {
 	{ .compatible = "kontron,sl28cpld" },
 	{ .compatible = "silergy,sy7636a", .data = &silergy_sy7636a},
-	{ .compatible = "maxim,max5970", .data = &maxim_max597x},
-	{ .compatible = "maxim,max5978", .data = &maxim_max597x},
+	{ .compatible = "maxim,max5970", .data = &maxim_max5970},
+	{ .compatible = "maxim,max5978", .data = &maxim_max5970},
 	{}
 };
 MODULE_DEVICE_TABLE(of, simple_mfd_i2c_of_match);
 
 static struct i2c_driver simple_mfd_i2c_driver = {
-	.probe_new = simple_mfd_i2c_probe,
+	.probe = simple_mfd_i2c_probe,
 	.driver = {
 		.name = "simple-mfd-i2c",
 		.of_match_table = simple_mfd_i2c_of_match,
diff --git a/drivers/mfd/sky81452.c b/drivers/mfd/sky81452.c
index 2515ecae1d3f..771b62a5c70f 100644
--- a/drivers/mfd/sky81452.c
+++ b/drivers/mfd/sky81452.c
@@ -77,7 +77,7 @@ static struct i2c_driver sky81452_driver = {
 		.name = "sky81452",
 		.of_match_table = of_match_ptr(sky81452_of_match),
 	},
-	.probe_new = sky81452_probe,
+	.probe = sky81452_probe,
 	.id_table = sky81452_ids,
 };
 
diff --git a/drivers/mfd/smpro-core.c b/drivers/mfd/smpro-core.c
index d7729cf70378..59d31590c69b 100644
--- a/drivers/mfd/smpro-core.c
+++ b/drivers/mfd/smpro-core.c
@@ -125,7 +125,7 @@ static const struct of_device_id smpro_core_of_match[] = {
 MODULE_DEVICE_TABLE(of, smpro_core_of_match);
 
 static struct i2c_driver smpro_core_driver = {
-	.probe_new = smpro_core_probe,
+	.probe = smpro_core_probe,
 	.driver = {
 		.name = "smpro-core",
 		.of_match_table = smpro_core_of_match,
diff --git a/drivers/mfd/stmfx.c b/drivers/mfd/stmfx.c
index e281971ba54e..c02cbd9c2f5d 100644
--- a/drivers/mfd/stmfx.c
+++ b/drivers/mfd/stmfx.c
@@ -330,9 +330,8 @@ static int stmfx_chip_init(struct i2c_client *client)
 	stmfx->vdd = devm_regulator_get_optional(&client->dev, "vdd");
 	ret = PTR_ERR_OR_ZERO(stmfx->vdd);
 	if (ret) {
-		if (ret == -ENODEV)
-			stmfx->vdd = NULL;
-		else
+		stmfx->vdd = NULL;
+		if (ret != -ENODEV)
 			return dev_err_probe(&client->dev, ret, "Failed to get VDD regulator\n");
 	}
 
@@ -387,7 +386,7 @@ static int stmfx_chip_init(struct i2c_client *client)
 
 err:
 	if (stmfx->vdd)
-		return regulator_disable(stmfx->vdd);
+		regulator_disable(stmfx->vdd);
 
 	return ret;
 }
@@ -553,7 +552,7 @@ static struct i2c_driver stmfx_driver = {
 		.of_match_table = stmfx_of_match,
 		.pm = pm_sleep_ptr(&stmfx_dev_pm_ops),
 	},
-	.probe_new = stmfx_probe,
+	.probe = stmfx_probe,
 	.remove = stmfx_remove,
 };
 module_i2c_driver(stmfx_driver);
diff --git a/drivers/mfd/stmpe-i2c.c b/drivers/mfd/stmpe-i2c.c
index 7998e0db1e15..1d7b401776d1 100644
--- a/drivers/mfd/stmpe-i2c.c
+++ b/drivers/mfd/stmpe-i2c.c
@@ -118,7 +118,7 @@ static struct i2c_driver stmpe_i2c_driver = {
 		.pm = pm_sleep_ptr(&stmpe_dev_pm_ops),
 		.of_match_table = stmpe_of_match,
 	},
-	.probe_new	= stmpe_i2c_probe,
+	.probe		= stmpe_i2c_probe,
 	.remove		= stmpe_i2c_remove,
 	.id_table	= stmpe_i2c_id,
 };
diff --git a/drivers/mfd/stmpe.c b/drivers/mfd/stmpe.c
index a92301dfc712..9c3cf58457a7 100644
--- a/drivers/mfd/stmpe.c
+++ b/drivers/mfd/stmpe.c
@@ -1485,9 +1485,9 @@ int stmpe_probe(struct stmpe_client_info *ci, enum stmpe_partnum partnum)
 
 void stmpe_remove(struct stmpe *stmpe)
 {
-	if (!IS_ERR(stmpe->vio))
+	if (!IS_ERR(stmpe->vio) && regulator_is_enabled(stmpe->vio))
 		regulator_disable(stmpe->vio);
-	if (!IS_ERR(stmpe->vcc))
+	if (!IS_ERR(stmpe->vcc) && regulator_is_enabled(stmpe->vcc))
 		regulator_disable(stmpe->vcc);
 
 	__stmpe_disable(stmpe, STMPE_BLOCK_ADC);
diff --git a/drivers/mfd/stpmic1.c b/drivers/mfd/stpmic1.c
index 8db1530d9bac..3cc7492f828f 100644
--- a/drivers/mfd/stpmic1.c
+++ b/drivers/mfd/stpmic1.c
@@ -7,6 +7,7 @@
 #include <linux/mfd/core.h>
 #include <linux/mfd/stpmic1.h>
 #include <linux/module.h>
+#include <linux/reboot.h>
 #include <linux/of.h>
 #include <linux/of_irq.h>
 #include <linux/of_platform.h>
@@ -19,7 +20,7 @@
 
 static const struct regmap_range stpmic1_readable_ranges[] = {
 	regmap_reg_range(TURN_ON_SR, VERSION_SR),
-	regmap_reg_range(SWOFF_PWRCTRL_CR, LDO6_STDBY_CR),
+	regmap_reg_range(MAIN_CR, LDO6_STDBY_CR),
 	regmap_reg_range(BST_SW_CR, BST_SW_CR),
 	regmap_reg_range(INT_PENDING_R1, INT_PENDING_R4),
 	regmap_reg_range(INT_CLEAR_R1, INT_CLEAR_R4),
@@ -30,7 +31,7 @@ static const struct regmap_range stpmic1_readable_ranges[] = {
 };
 
 static const struct regmap_range stpmic1_writeable_ranges[] = {
-	regmap_reg_range(SWOFF_PWRCTRL_CR, LDO6_STDBY_CR),
+	regmap_reg_range(MAIN_CR, LDO6_STDBY_CR),
 	regmap_reg_range(BST_SW_CR, BST_SW_CR),
 	regmap_reg_range(INT_CLEAR_R1, INT_CLEAR_R4),
 	regmap_reg_range(INT_SET_MASK_R1, INT_SET_MASK_R4),
@@ -117,6 +118,16 @@ static const struct regmap_irq_chip stpmic1_regmap_irq_chip = {
 	.num_irqs = ARRAY_SIZE(stpmic1_irqs),
 };
 
+static int stpmic1_power_off(struct sys_off_data *data)
+{
+	struct stpmic1 *ddata = data->cb_data;
+
+	regmap_update_bits(ddata->regmap, MAIN_CR,
+			   SOFTWARE_SWITCH_OFF, SOFTWARE_SWITCH_OFF);
+
+	return NOTIFY_DONE;
+}
+
 static int stpmic1_probe(struct i2c_client *i2c)
 {
 	struct stpmic1 *ddata;
@@ -159,6 +170,16 @@ static int stpmic1_probe(struct i2c_client *i2c)
 		return ret;
 	}
 
+	ret = devm_register_sys_off_handler(ddata->dev,
+					    SYS_OFF_MODE_POWER_OFF,
+					    SYS_OFF_PRIO_DEFAULT,
+					    stpmic1_power_off,
+					    ddata);
+	if (ret) {
+		dev_err(ddata->dev, "failed to register sys-off handler: %d\n", ret);
+		return ret;
+	}
+
 	return devm_of_platform_populate(dev);
 }
 
@@ -201,7 +222,7 @@ static struct i2c_driver stpmic1_driver = {
 		.of_match_table = of_match_ptr(stpmic1_of_match),
 		.pm = pm_sleep_ptr(&stpmic1_pm),
 	},
-	.probe_new = stpmic1_probe,
+	.probe = stpmic1_probe,
 };
 
 module_i2c_driver(stpmic1_driver);
diff --git a/drivers/mfd/stw481x.c b/drivers/mfd/stw481x.c
index 2a8fc9d1c806..f35c3af680dd 100644
--- a/drivers/mfd/stw481x.c
+++ b/drivers/mfd/stw481x.c
@@ -239,7 +239,7 @@ static struct i2c_driver stw481x_driver = {
 		.name	= "stw481x",
 		.of_match_table = stw481x_match,
 	},
-	.probe_new	= stw481x_probe,
+	.probe		= stw481x_probe,
 	.id_table	= stw481x_id,
 };
 
diff --git a/drivers/mfd/tc3589x.c b/drivers/mfd/tc3589x.c
index cbfe19d1b145..16df64e3c0be 100644
--- a/drivers/mfd/tc3589x.c
+++ b/drivers/mfd/tc3589x.c
@@ -485,7 +485,7 @@ static struct i2c_driver tc3589x_driver = {
 		.pm	= pm_sleep_ptr(&tc3589x_dev_pm_ops),
 		.of_match_table = of_match_ptr(tc3589x_match),
 	},
-	.probe_new	= tc3589x_probe,
+	.probe		= tc3589x_probe,
 	.remove		= tc3589x_remove,
 	.id_table	= tc3589x_id,
 };
diff --git a/drivers/mfd/ti-lmu.c b/drivers/mfd/ti-lmu.c
index 9921320be255..4f06adad7b5e 100644
--- a/drivers/mfd/ti-lmu.c
+++ b/drivers/mfd/ti-lmu.c
@@ -217,7 +217,7 @@ static const struct i2c_device_id ti_lmu_ids[] = {
 MODULE_DEVICE_TABLE(i2c, ti_lmu_ids);
 
 static struct i2c_driver ti_lmu_driver = {
-	.probe_new = ti_lmu_probe,
+	.probe = ti_lmu_probe,
 	.driver = {
 		.name = "ti-lmu",
 		.of_match_table = ti_lmu_of_match,
diff --git a/drivers/mfd/tps6105x.c b/drivers/mfd/tps6105x.c
index a66cb911998d..5601f6d0d874 100644
--- a/drivers/mfd/tps6105x.c
+++ b/drivers/mfd/tps6105x.c
@@ -209,7 +209,7 @@ static struct i2c_driver tps6105x_driver = {
 		.name	= "tps6105x",
 		.of_match_table = tps6105x_of_match,
 	},
-	.probe_new	= tps6105x_probe,
+	.probe		= tps6105x_probe,
 	.remove		= tps6105x_remove,
 	.id_table	= tps6105x_id,
 };
diff --git a/drivers/mfd/tps65010.c b/drivers/mfd/tps65010.c
index faea4ff44c6f..2b9105295f30 100644
--- a/drivers/mfd/tps65010.c
+++ b/drivers/mfd/tps65010.c
@@ -664,7 +664,7 @@ static struct i2c_driver tps65010_driver = {
 	.driver = {
 		.name	= "tps65010",
 	},
-	.probe_new = tps65010_probe,
+	.probe = tps65010_probe,
 	.remove	= tps65010_remove,
 	.id_table = tps65010_id,
 };
diff --git a/drivers/mfd/tps6507x.c b/drivers/mfd/tps6507x.c
index 500b594de316..9716bf703c7a 100644
--- a/drivers/mfd/tps6507x.c
+++ b/drivers/mfd/tps6507x.c
@@ -122,7 +122,7 @@ static struct i2c_driver tps6507x_i2c_driver = {
 		   .name = "tps6507x",
 		   .of_match_table = of_match_ptr(tps6507x_of_match),
 	},
-	.probe_new = tps6507x_i2c_probe,
+	.probe = tps6507x_i2c_probe,
 	.id_table = tps6507x_i2c_id,
 };
 
diff --git a/drivers/mfd/tps65086.c b/drivers/mfd/tps65086.c
index 9494c1d71b86..6a21000aad4a 100644
--- a/drivers/mfd/tps65086.c
+++ b/drivers/mfd/tps65086.c
@@ -129,7 +129,7 @@ static struct i2c_driver tps65086_driver = {
 		.name	= "tps65086",
 		.of_match_table = tps65086_of_match_table,
 	},
-	.probe_new	= tps65086_probe,
+	.probe		= tps65086_probe,
 	.remove		= tps65086_remove,
 	.id_table       = tps65086_id_table,
 };
diff --git a/drivers/mfd/tps65090.c b/drivers/mfd/tps65090.c
index af718a9c58b3..a35ad70755fb 100644
--- a/drivers/mfd/tps65090.c
+++ b/drivers/mfd/tps65090.c
@@ -236,7 +236,7 @@ static struct i2c_driver tps65090_driver = {
 		.suppress_bind_attrs = true,
 		.of_match_table = of_match_ptr(tps65090_of_match),
 	},
-	.probe_new	= tps65090_i2c_probe,
+	.probe		= tps65090_i2c_probe,
 	.id_table	= tps65090_id_table,
 };
 
diff --git a/drivers/mfd/tps65217.c b/drivers/mfd/tps65217.c
index eebd60601b01..60599291b315 100644
--- a/drivers/mfd/tps65217.c
+++ b/drivers/mfd/tps65217.c
@@ -402,7 +402,7 @@ static struct i2c_driver tps65217_driver = {
 		.of_match_table = tps65217_of_match,
 	},
 	.id_table	= tps65217_id_table,
-	.probe_new	= tps65217_probe,
+	.probe		= tps65217_probe,
 	.remove		= tps65217_remove,
 };
 
diff --git a/drivers/mfd/tps65218.c b/drivers/mfd/tps65218.c
index ea69dcef91ec..619bf7adb20c 100644
--- a/drivers/mfd/tps65218.c
+++ b/drivers/mfd/tps65218.c
@@ -347,7 +347,7 @@ static struct i2c_driver tps65218_driver = {
 		.name	= "tps65218",
 		.of_match_table = of_tps65218_match_table,
 	},
-	.probe_new	= tps65218_probe,
+	.probe		= tps65218_probe,
 	.id_table       = tps65218_id_table,
 };
 
diff --git a/drivers/mfd/tps65219.c b/drivers/mfd/tps65219.c
index 0e402fda206b..0e0c42e4fdfc 100644
--- a/drivers/mfd/tps65219.c
+++ b/drivers/mfd/tps65219.c
@@ -25,13 +25,21 @@ static int tps65219_cold_reset(struct tps65219 *tps)
 				  TPS65219_MFP_COLD_RESET_I2C_CTRL_MASK);
 }
 
-static int tps65219_restart(struct notifier_block *this,
-			    unsigned long reboot_mode, void *cmd)
+static int tps65219_soft_shutdown(struct tps65219 *tps)
 {
-	struct tps65219 *tps;
+	return regmap_update_bits(tps->regmap, TPS65219_REG_MFP_CTRL,
+				  TPS65219_MFP_I2C_OFF_REQ_MASK,
+				  TPS65219_MFP_I2C_OFF_REQ_MASK);
+}
 
-	tps = container_of(this, struct tps65219, nb);
+static int tps65219_power_off_handler(struct sys_off_data *data)
+{
+	tps65219_soft_shutdown(data->cb_data);
+	return NOTIFY_DONE;
+}
 
+static int tps65219_restart(struct tps65219 *tps, unsigned long reboot_mode)
+{
 	if (reboot_mode == REBOOT_WARM)
 		tps65219_warm_reset(tps);
 	else
@@ -40,10 +48,11 @@ static int tps65219_restart(struct notifier_block *this,
 	return NOTIFY_DONE;
 }
 
-static struct notifier_block pmic_rst_restart_nb = {
-	.notifier_call = tps65219_restart,
-	.priority = 200,
-};
+static int tps65219_restart_handler(struct sys_off_data *data)
+{
+	tps65219_restart(data->cb_data, data->mode);
+	return NOTIFY_DONE;
+}
 
 static const struct resource tps65219_pwrbutton_resources[] = {
 	DEFINE_RES_IRQ_NAMED(TPS65219_INT_PB_FALLING_EDGE_DETECT, "falling"),
@@ -106,7 +115,7 @@ static const struct mfd_cell tps65219_cells[] = {
 		.resources = tps65219_regulator_resources,
 		.num_resources = ARRAY_SIZE(tps65219_regulator_resources),
 	},
-	{ .name = "tps65219-gpios", },
+	{ .name = "tps65219-gpio", },
 };
 
 static const struct mfd_cell tps65219_pwrbutton_cell = {
@@ -269,13 +278,22 @@ static int tps65219_probe(struct i2c_client *client)
 		}
 	}
 
-	tps->nb = pmic_rst_restart_nb;
-	ret = register_restart_handler(&tps->nb);
+	ret = devm_register_restart_handler(tps->dev,
+					    tps65219_restart_handler,
+					    tps);
+
 	if (ret) {
 		dev_err(tps->dev, "cannot register restart handler, %d\n", ret);
 		return ret;
 	}
 
+	ret = devm_register_power_off_handler(tps->dev,
+					      tps65219_power_off_handler,
+					      tps);
+	if (ret) {
+		dev_err(tps->dev, "failed to register power-off handler: %d\n", ret);
+		return ret;
+	}
 	return 0;
 }
 
@@ -290,7 +308,7 @@ static struct i2c_driver tps65219_driver = {
 		.name	= "tps65219",
 		.of_match_table = of_tps65219_match_table,
 	},
-	.probe_new	= tps65219_probe,
+	.probe		= tps65219_probe,
 };
 module_i2c_driver(tps65219_driver);
 
diff --git a/drivers/mfd/tps6586x.c b/drivers/mfd/tps6586x.c
index 90e23232b6b0..55675ceedcd3 100644
--- a/drivers/mfd/tps6586x.c
+++ b/drivers/mfd/tps6586x.c
@@ -619,7 +619,7 @@ static struct i2c_driver tps6586x_driver = {
 		.of_match_table = of_match_ptr(tps6586x_of_match),
 		.pm	= &tps6586x_pm_ops,
 	},
-	.probe_new	= tps6586x_i2c_probe,
+	.probe		= tps6586x_i2c_probe,
 	.remove		= tps6586x_i2c_remove,
 	.id_table	= tps6586x_id_table,
 };
diff --git a/drivers/mfd/tps65910.c b/drivers/mfd/tps65910.c
index 821c0277a2ed..41408df1712f 100644
--- a/drivers/mfd/tps65910.c
+++ b/drivers/mfd/tps65910.c
@@ -535,7 +535,7 @@ static struct i2c_driver tps65910_i2c_driver = {
 		   .name = "tps65910",
 		   .of_match_table = of_match_ptr(tps65910_of_match),
 	},
-	.probe_new = tps65910_i2c_probe,
+	.probe = tps65910_i2c_probe,
 	.id_table = tps65910_i2c_id,
 };
 
diff --git a/drivers/mfd/tps65912-i2c.c b/drivers/mfd/tps65912-i2c.c
index 1bf945966bf7..3c5ac781b6c1 100644
--- a/drivers/mfd/tps65912-i2c.c
+++ b/drivers/mfd/tps65912-i2c.c
@@ -60,7 +60,7 @@ static struct i2c_driver tps65912_i2c_driver = {
 		.name	= "tps65912",
 		.of_match_table = tps65912_i2c_of_match_table,
 	},
-	.probe_new	= tps65912_i2c_probe,
+	.probe		= tps65912_i2c_probe,
 	.remove		= tps65912_i2c_remove,
 	.id_table       = tps65912_i2c_id_table,
 };
diff --git a/drivers/mfd/tps6594-i2c.c b/drivers/mfd/tps6594-i2c.c
index 449d5c61bc9f..899c88c0fe77 100644
--- a/drivers/mfd/tps6594-i2c.c
+++ b/drivers/mfd/tps6594-i2c.c
@@ -222,7 +222,7 @@ static int tps6594_i2c_probe(struct i2c_client *client)
 
 	match = of_match_device(tps6594_i2c_of_match_table, dev);
 	if (!match)
-		return dev_err_probe(dev, PTR_ERR(match), "Failed to find matching chip ID\n");
+		return dev_err_probe(dev, -EINVAL, "Failed to find matching chip ID\n");
 	tps->chip_id = (unsigned long)match->data;
 
 	crc8_populate_msb(tps6594_i2c_crc_table, TPS6594_CRC8_POLYNOMIAL);
@@ -235,7 +235,7 @@ static struct i2c_driver tps6594_i2c_driver = {
 		.name = "tps6594",
 		.of_match_table = tps6594_i2c_of_match_table,
 	},
-	.probe_new = tps6594_i2c_probe,
+	.probe = tps6594_i2c_probe,
 };
 module_i2c_driver(tps6594_i2c_driver);
 
diff --git a/drivers/mfd/tps6594-spi.c b/drivers/mfd/tps6594-spi.c
index a938a191744f..f4b4f37f957f 100644
--- a/drivers/mfd/tps6594-spi.c
+++ b/drivers/mfd/tps6594-spi.c
@@ -107,7 +107,7 @@ static int tps6594_spi_probe(struct spi_device *spi)
 
 	match = of_match_device(tps6594_spi_of_match_table, dev);
 	if (!match)
-		return dev_err_probe(dev, PTR_ERR(match), "Failed to find matching chip ID\n");
+		return dev_err_probe(dev, -EINVAL, "Failed to find matching chip ID\n");
 	tps->chip_id = (unsigned long)match->data;
 
 	crc8_populate_msb(tps6594_spi_crc_table, TPS6594_CRC8_POLYNOMIAL);
diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c
index e801b7ce010f..ce01a87f8dc3 100644
--- a/drivers/mfd/twl-core.c
+++ b/drivers/mfd/twl-core.c
@@ -890,7 +890,7 @@ static struct i2c_driver twl_driver = {
 	.driver.name	= DRIVER_NAME,
 	.driver.pm	= &twl_dev_pm_ops,
 	.id_table	= twl_ids,
-	.probe_new	= twl_probe,
+	.probe		= twl_probe,
 	.remove		= twl_remove,
 };
 builtin_i2c_driver(twl_driver);
diff --git a/drivers/mfd/twl6040.c b/drivers/mfd/twl6040.c
index e982119bbefa..d85675a4d9a8 100644
--- a/drivers/mfd/twl6040.c
+++ b/drivers/mfd/twl6040.c
@@ -608,7 +608,7 @@ static const struct regmap_config twl6040_regmap_config = {
 	.volatile_reg = twl6040_volatile_reg,
 	.writeable_reg = twl6040_writeable_reg,
 
-	.cache_type = REGCACHE_RBTREE,
+	.cache_type = REGCACHE_MAPLE,
 	.use_single_read = true,
 	.use_single_write = true,
 };
@@ -829,7 +829,7 @@ static struct i2c_driver twl6040_driver = {
 	.driver = {
 		.name = "twl6040",
 	},
-	.probe_new	= twl6040_probe,
+	.probe		= twl6040_probe,
 	.remove		= twl6040_remove,
 	.id_table	= twl6040_i2c_id,
 };
diff --git a/drivers/mfd/wcd934x.c b/drivers/mfd/wcd934x.c
index 07e884087f2c..6b942d5270c1 100644
--- a/drivers/mfd/wcd934x.c
+++ b/drivers/mfd/wcd934x.c
@@ -227,10 +227,9 @@ static int wcd934x_slim_probe(struct slim_device *sdev)
 				     "Failed to get IRQ\n");
 
 	ddata->extclk = devm_clk_get(dev, "extclk");
-	if (IS_ERR(ddata->extclk)) {
-		dev_err(dev, "Failed to get extclk");
-		return PTR_ERR(ddata->extclk);
-	}
+	if (IS_ERR(ddata->extclk))
+		return dev_err_probe(dev, PTR_ERR(ddata->extclk),
+				     "Failed to get extclk");
 
 	ddata->supplies[0].supply = "vdd-buck";
 	ddata->supplies[1].supply = "vdd-buck-sido";
@@ -239,16 +238,12 @@ static int wcd934x_slim_probe(struct slim_device *sdev)
 	ddata->supplies[4].supply = "vdd-io";
 
 	ret = regulator_bulk_get(dev, WCD934X_MAX_SUPPLY, ddata->supplies);
-	if (ret) {
-		dev_err(dev, "Failed to get supplies: err = %d\n", ret);
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(dev, ret, "Failed to get supplies\n");
 
 	ret = regulator_bulk_enable(WCD934X_MAX_SUPPLY, ddata->supplies);
-	if (ret) {
-		dev_err(dev, "Failed to enable supplies: err = %d\n", ret);
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(dev, ret, "Failed to enable supplies\n");
 
 	/*
 	 * For WCD934X, it takes about 600us for the Vout_A and
@@ -258,8 +253,9 @@ static int wcd934x_slim_probe(struct slim_device *sdev)
 	usleep_range(600, 650);
 	reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
 	if (IS_ERR(reset_gpio)) {
-		return dev_err_probe(dev, PTR_ERR(reset_gpio),
-				"Failed to get reset gpio: err = %ld\n", PTR_ERR(reset_gpio));
+		ret = dev_err_probe(dev, PTR_ERR(reset_gpio),
+				    "Failed to get reset gpio\n");
+		goto err_disable_regulators;
 	}
 	msleep(20);
 	gpiod_set_value(reset_gpio, 1);
@@ -269,6 +265,10 @@ static int wcd934x_slim_probe(struct slim_device *sdev)
 	dev_set_drvdata(dev, ddata);
 
 	return 0;
+
+err_disable_regulators:
+	regulator_bulk_disable(WCD934X_MAX_SUPPLY, ddata->supplies);
+	return ret;
 }
 
 static void wcd934x_slim_remove(struct slim_device *sdev)
diff --git a/drivers/mfd/wl1273-core.c b/drivers/mfd/wl1273-core.c
index a5d6128fc67d..e2a7fccaed01 100644
--- a/drivers/mfd/wl1273-core.c
+++ b/drivers/mfd/wl1273-core.c
@@ -232,7 +232,7 @@ static struct i2c_driver wl1273_core_driver = {
 	.driver = {
 		.name = WL1273_FM_DRIVER_NAME,
 	},
-	.probe_new = wl1273_core_probe,
+	.probe = wl1273_core_probe,
 	.id_table = wl1273_driver_id_table,
 };
 
diff --git a/drivers/mfd/wm831x-core.c b/drivers/mfd/wm831x-core.c
index d2f444d2ae78..e86b6a4896a6 100644
--- a/drivers/mfd/wm831x-core.c
+++ b/drivers/mfd/wm831x-core.c
@@ -1430,7 +1430,7 @@ struct regmap_config wm831x_regmap_config = {
 	.reg_bits = 16,
 	.val_bits = 16,
 
-	.cache_type = REGCACHE_RBTREE,
+	.cache_type = REGCACHE_MAPLE,
 
 	.max_register = WM831X_DBE_CHECK_DATA,
 	.readable_reg = wm831x_reg_readable,
diff --git a/drivers/mfd/wm831x-i2c.c b/drivers/mfd/wm831x-i2c.c
index 9dbe96e2d46a..997837f13180 100644
--- a/drivers/mfd/wm831x-i2c.c
+++ b/drivers/mfd/wm831x-i2c.c
@@ -102,7 +102,7 @@ static struct i2c_driver wm831x_i2c_driver = {
 		.of_match_table = of_match_ptr(wm831x_of_match),
 		.suppress_bind_attrs = true,
 	},
-	.probe_new = wm831x_i2c_probe,
+	.probe = wm831x_i2c_probe,
 	.id_table = wm831x_i2c_id,
 };
 
diff --git a/drivers/mfd/wm8350-i2c.c b/drivers/mfd/wm8350-i2c.c
index 1fa1dfbc9e31..c2a7d7069975 100644
--- a/drivers/mfd/wm8350-i2c.c
+++ b/drivers/mfd/wm8350-i2c.c
@@ -52,7 +52,7 @@ static struct i2c_driver wm8350_i2c_driver = {
 		   .name = "wm8350",
 		   .suppress_bind_attrs = true,
 	},
-	.probe_new = wm8350_i2c_probe,
+	.probe = wm8350_i2c_probe,
 	.id_table = wm8350_i2c_id,
 };
 
diff --git a/drivers/mfd/wm8400-core.c b/drivers/mfd/wm8400-core.c
index 5e1599ac9abc..75483c9be0c4 100644
--- a/drivers/mfd/wm8400-core.c
+++ b/drivers/mfd/wm8400-core.c
@@ -54,8 +54,6 @@ static int wm8400_init(struct wm8400 *wm8400,
 	unsigned int reg;
 	int ret;
 
-	dev_set_drvdata(wm8400->dev, wm8400);
-
 	/* Check that this is actually a WM8400 */
 	ret = regmap_read(wm8400->regmap, WM8400_RESET_ID, &reg);
 	if (ret != 0) {
@@ -145,7 +143,7 @@ static struct i2c_driver wm8400_i2c_driver = {
 	.driver = {
 		.name = "WM8400",
 	},
-	.probe_new = wm8400_i2c_probe,
+	.probe = wm8400_i2c_probe,
 	.id_table = wm8400_i2c_id,
 };
 #endif
diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c
index c419ab0c0eae..1e4f1694f065 100644
--- a/drivers/mfd/wm8994-core.c
+++ b/drivers/mfd/wm8994-core.c
@@ -320,8 +320,6 @@ static int wm8994_device_init(struct wm8994 *wm8994, int irq)
 	if (ret != 0)
 		return ret;
 
-	dev_set_drvdata(wm8994->dev, wm8994);
-
 	/* Add the on-chip regulators first for bootstrapping */
 	ret = mfd_add_devices(wm8994->dev, 0,
 			      wm8994_regulator_devs,
@@ -672,7 +670,7 @@ static struct i2c_driver wm8994_i2c_driver = {
 		.pm = pm_ptr(&wm8994_pm_ops),
 		.of_match_table = wm8994_of_match,
 	},
-	.probe_new = wm8994_i2c_probe,
+	.probe = wm8994_i2c_probe,
 	.remove = wm8994_i2c_remove,
 	.id_table = wm8994_i2c_id,
 };
diff --git a/drivers/power/supply/Kconfig b/drivers/power/supply/Kconfig
index 4a5e8e1d1237..862f9fe93120 100644
--- a/drivers/power/supply/Kconfig
+++ b/drivers/power/supply/Kconfig
@@ -766,6 +766,14 @@ config BATTERY_RT5033
 	  The fuelgauge calculates and determines the battery state of charge
 	  according to battery open circuit voltage.
 
+config CHARGER_RT5033
+	tristate "RT5033 battery charger support"
+	depends on MFD_RT5033
+	help
+	  This adds support for battery charger in Richtek RT5033 PMIC.
+	  The device supports pre-charge mode, fast charge mode and
+	  constant voltage mode.
+
 config CHARGER_RT9455
 	tristate "Richtek RT9455 battery charger driver"
 	depends on I2C
diff --git a/drivers/power/supply/Makefile b/drivers/power/supply/Makefile
index 4adbfba02d05..dfc624bbcf1d 100644
--- a/drivers/power/supply/Makefile
+++ b/drivers/power/supply/Makefile
@@ -54,6 +54,7 @@ obj-$(CONFIG_BATTERY_MAX17040)	+= max17040_battery.o
 obj-$(CONFIG_BATTERY_MAX17042)	+= max17042_battery.o
 obj-$(CONFIG_BATTERY_MAX1721X)	+= max1721x_battery.o
 obj-$(CONFIG_BATTERY_RT5033)	+= rt5033_battery.o
+obj-$(CONFIG_CHARGER_RT5033)	+= rt5033_charger.o
 obj-$(CONFIG_CHARGER_RT9455)	+= rt9455_charger.o
 obj-$(CONFIG_CHARGER_RT9467)	+= rt9467-charger.o
 obj-$(CONFIG_CHARGER_RT9471)	+= rt9471.o
diff --git a/drivers/power/supply/rt5033_battery.c b/drivers/power/supply/rt5033_battery.c
index 5c04cf305219..94d2dea7ef5e 100644
--- a/drivers/power/supply/rt5033_battery.c
+++ b/drivers/power/supply/rt5033_battery.c
@@ -6,11 +6,33 @@
  * Author: Beomho Seo <beomho.seo@samsung.com>
  */
 
+#include <linux/i2c.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/power_supply.h>
+#include <linux/regmap.h>
 #include <linux/mfd/rt5033-private.h>
-#include <linux/mfd/rt5033.h>
+
+struct rt5033_battery {
+	struct i2c_client	*client;
+	struct regmap		*regmap;
+	struct power_supply	*psy;
+};
+
+static int rt5033_battery_get_status(struct i2c_client *client)
+{
+	struct rt5033_battery *battery = i2c_get_clientdata(client);
+	union power_supply_propval val;
+	int ret;
+
+	ret = power_supply_get_property_from_supplier(battery->psy,
+						POWER_SUPPLY_PROP_STATUS,
+						&val);
+	if (ret)
+		val.intval = POWER_SUPPLY_STATUS_UNKNOWN;
+
+	return val.intval;
+}
 
 static int rt5033_battery_get_capacity(struct i2c_client *client)
 {
@@ -84,6 +106,9 @@ static int rt5033_battery_get_property(struct power_supply *psy,
 	case POWER_SUPPLY_PROP_CAPACITY:
 		val->intval = rt5033_battery_get_capacity(battery->client);
 		break;
+	case POWER_SUPPLY_PROP_STATUS:
+		val->intval = rt5033_battery_get_status(battery->client);
+		break;
 	default:
 		return -EINVAL;
 	}
@@ -96,6 +121,7 @@ static enum power_supply_property rt5033_battery_props[] = {
 	POWER_SUPPLY_PROP_VOLTAGE_OCV,
 	POWER_SUPPLY_PROP_PRESENT,
 	POWER_SUPPLY_PROP_CAPACITY,
+	POWER_SUPPLY_PROP_STATUS,
 };
 
 static const struct regmap_config rt5033_battery_regmap_config = {
@@ -117,7 +143,6 @@ static int rt5033_battery_probe(struct i2c_client *client)
 	struct i2c_adapter *adapter = client->adapter;
 	struct power_supply_config psy_cfg = {};
 	struct rt5033_battery *battery;
-	u32 ret;
 
 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE))
 		return -EIO;
@@ -135,15 +160,14 @@ static int rt5033_battery_probe(struct i2c_client *client)
 	}
 
 	i2c_set_clientdata(client, battery);
+	psy_cfg.of_node = client->dev.of_node;
 	psy_cfg.drv_data = battery;
 
 	battery->psy = power_supply_register(&client->dev,
 					     &rt5033_battery_desc, &psy_cfg);
-	if (IS_ERR(battery->psy)) {
-		dev_err(&client->dev, "Failed to register power supply\n");
-		ret = PTR_ERR(battery->psy);
-		return ret;
-	}
+	if (IS_ERR(battery->psy))
+		return dev_err_probe(&client->dev, PTR_ERR(battery->psy),
+				     "Failed to register power supply\n");
 
 	return 0;
 }
diff --git a/drivers/power/supply/rt5033_charger.c b/drivers/power/supply/rt5033_charger.c
new file mode 100644
index 000000000000..5218dfbf5e1b
--- /dev/null
+++ b/drivers/power/supply/rt5033_charger.c
@@ -0,0 +1,472 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Battery charger driver for RT5033
+ *
+ * Copyright (C) 2014 Samsung Electronics, Co., Ltd.
+ * Author: Beomho Seo <beomho.seo@samsung.com>
+ */
+
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/power_supply.h>
+#include <linux/regmap.h>
+#include <linux/mfd/rt5033-private.h>
+
+struct rt5033_charger_data {
+	unsigned int pre_uamp;
+	unsigned int pre_uvolt;
+	unsigned int const_uvolt;
+	unsigned int eoc_uamp;
+	unsigned int fast_uamp;
+};
+
+struct rt5033_charger {
+	struct device			*dev;
+	struct regmap			*regmap;
+	struct power_supply		*psy;
+	struct rt5033_charger_data	*chg;
+};
+
+static int rt5033_get_charger_state(struct rt5033_charger *charger)
+{
+	struct regmap *regmap = charger->regmap;
+	unsigned int reg_data;
+	int state;
+
+	if (!regmap)
+		return POWER_SUPPLY_STATUS_UNKNOWN;
+
+	regmap_read(regmap, RT5033_REG_CHG_STAT, &reg_data);
+
+	switch (reg_data & RT5033_CHG_STAT_MASK) {
+	case RT5033_CHG_STAT_DISCHARGING:
+		state = POWER_SUPPLY_STATUS_DISCHARGING;
+		break;
+	case RT5033_CHG_STAT_CHARGING:
+		state = POWER_SUPPLY_STATUS_CHARGING;
+		break;
+	case RT5033_CHG_STAT_FULL:
+		state = POWER_SUPPLY_STATUS_FULL;
+		break;
+	case RT5033_CHG_STAT_NOT_CHARGING:
+		state = POWER_SUPPLY_STATUS_NOT_CHARGING;
+		break;
+	default:
+		state = POWER_SUPPLY_STATUS_UNKNOWN;
+	}
+
+	return state;
+}
+
+static int rt5033_get_charger_type(struct rt5033_charger *charger)
+{
+	struct regmap *regmap = charger->regmap;
+	unsigned int reg_data;
+	int state;
+
+	regmap_read(regmap, RT5033_REG_CHG_STAT, &reg_data);
+
+	switch (reg_data & RT5033_CHG_STAT_TYPE_MASK) {
+	case RT5033_CHG_STAT_TYPE_FAST:
+		state = POWER_SUPPLY_CHARGE_TYPE_FAST;
+		break;
+	case RT5033_CHG_STAT_TYPE_PRE:
+		state = POWER_SUPPLY_CHARGE_TYPE_TRICKLE;
+		break;
+	default:
+		state = POWER_SUPPLY_CHARGE_TYPE_NONE;
+	}
+
+	return state;
+}
+
+static int rt5033_get_charger_current_limit(struct rt5033_charger *charger)
+{
+	struct regmap *regmap = charger->regmap;
+	unsigned int state, reg_data, data;
+
+	regmap_read(regmap, RT5033_REG_CHG_CTRL5, &reg_data);
+
+	state = (reg_data & RT5033_CHGCTRL5_ICHG_MASK)
+		 >> RT5033_CHGCTRL5_ICHG_SHIFT;
+
+	data = RT5033_CHARGER_FAST_CURRENT_MIN +
+		RT5033_CHARGER_FAST_CURRENT_STEP_NUM * state;
+
+	return data;
+}
+
+static int rt5033_get_charger_const_voltage(struct rt5033_charger *charger)
+{
+	struct regmap *regmap = charger->regmap;
+	unsigned int state, reg_data, data;
+
+	regmap_read(regmap, RT5033_REG_CHG_CTRL2, &reg_data);
+
+	state = (reg_data & RT5033_CHGCTRL2_CV_MASK)
+		 >> RT5033_CHGCTRL2_CV_SHIFT;
+
+	data = RT5033_CHARGER_CONST_VOLTAGE_LIMIT_MIN +
+		RT5033_CHARGER_CONST_VOLTAGE_STEP_NUM * state;
+
+	return data;
+}
+
+static inline int rt5033_init_const_charge(struct rt5033_charger *charger)
+{
+	struct rt5033_charger_data *chg = charger->chg;
+	int ret;
+	unsigned int val;
+	u8 reg_data;
+
+	/* Set constant voltage mode */
+	if (chg->const_uvolt < RT5033_CHARGER_CONST_VOLTAGE_LIMIT_MIN ||
+	    chg->const_uvolt > RT5033_CHARGER_CONST_VOLTAGE_LIMIT_MAX) {
+		dev_err(charger->dev,
+			"Value 'constant-charge-voltage-max-microvolt' out of range\n");
+		return -EINVAL;
+	}
+
+	if (chg->const_uvolt == RT5033_CHARGER_CONST_VOLTAGE_LIMIT_MIN)
+		reg_data = 0x00;
+	else if (chg->const_uvolt == RT5033_CHARGER_CONST_VOLTAGE_LIMIT_MAX)
+		reg_data = RT5033_CV_MAX_VOLTAGE;
+	else {
+		val = chg->const_uvolt;
+		val -= RT5033_CHARGER_CONST_VOLTAGE_LIMIT_MIN;
+		val /= RT5033_CHARGER_CONST_VOLTAGE_STEP_NUM;
+		reg_data = val;
+	}
+
+	ret = regmap_update_bits(charger->regmap, RT5033_REG_CHG_CTRL2,
+			RT5033_CHGCTRL2_CV_MASK,
+			reg_data << RT5033_CHGCTRL2_CV_SHIFT);
+	if (ret) {
+		dev_err(charger->dev, "Failed regmap update\n");
+		return -EINVAL;
+	}
+
+	/* Set end of charge current */
+	if (chg->eoc_uamp < RT5033_CHARGER_EOC_MIN ||
+	    chg->eoc_uamp > RT5033_CHARGER_EOC_MAX) {
+		dev_err(charger->dev,
+			"Value 'charge-term-current-microamp' out of range\n");
+		return -EINVAL;
+	}
+
+	if (chg->eoc_uamp == RT5033_CHARGER_EOC_MIN)
+		reg_data = 0x01;
+	else if (chg->eoc_uamp == RT5033_CHARGER_EOC_MAX)
+		reg_data = 0x07;
+	else {
+		val = chg->eoc_uamp;
+		if (val < RT5033_CHARGER_EOC_REF) {
+			val -= RT5033_CHARGER_EOC_MIN;
+			val /= RT5033_CHARGER_EOC_STEP_NUM1;
+			reg_data = 0x01 + val;
+		} else if (val > RT5033_CHARGER_EOC_REF) {
+			val -= RT5033_CHARGER_EOC_REF;
+			val /= RT5033_CHARGER_EOC_STEP_NUM2;
+			reg_data = 0x04 + val;
+		} else {
+			reg_data = 0x04;
+		}
+	}
+
+	ret = regmap_update_bits(charger->regmap, RT5033_REG_CHG_CTRL4,
+			RT5033_CHGCTRL4_EOC_MASK, reg_data);
+	if (ret) {
+		dev_err(charger->dev, "Failed regmap update\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static inline int rt5033_init_fast_charge(struct rt5033_charger *charger)
+{
+	struct rt5033_charger_data *chg = charger->chg;
+	int ret;
+	unsigned int val;
+	u8 reg_data;
+
+	/* Set limit input current */
+	ret = regmap_update_bits(charger->regmap, RT5033_REG_CHG_CTRL1,
+			RT5033_CHGCTRL1_IAICR_MASK, RT5033_AICR_2000_MODE);
+	if (ret) {
+		dev_err(charger->dev, "Failed regmap update\n");
+		return -EINVAL;
+	}
+
+	/* Set fast-charge mode charging current */
+	if (chg->fast_uamp < RT5033_CHARGER_FAST_CURRENT_MIN ||
+	    chg->fast_uamp > RT5033_CHARGER_FAST_CURRENT_MAX) {
+		dev_err(charger->dev,
+			"Value 'constant-charge-current-max-microamp' out of range\n");
+		return -EINVAL;
+	}
+
+	if (chg->fast_uamp == RT5033_CHARGER_FAST_CURRENT_MIN)
+		reg_data = 0x00;
+	else if (chg->fast_uamp == RT5033_CHARGER_FAST_CURRENT_MAX)
+		reg_data = RT5033_CHG_MAX_CURRENT;
+	else {
+		val = chg->fast_uamp;
+		val -= RT5033_CHARGER_FAST_CURRENT_MIN;
+		val /= RT5033_CHARGER_FAST_CURRENT_STEP_NUM;
+		reg_data = val;
+	}
+
+	ret = regmap_update_bits(charger->regmap, RT5033_REG_CHG_CTRL5,
+			RT5033_CHGCTRL5_ICHG_MASK,
+			reg_data << RT5033_CHGCTRL5_ICHG_SHIFT);
+	if (ret) {
+		dev_err(charger->dev, "Failed regmap update\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static inline int rt5033_init_pre_charge(struct rt5033_charger *charger)
+{
+	struct rt5033_charger_data *chg = charger->chg;
+	int ret;
+	unsigned int val;
+	u8 reg_data;
+
+	/* Set pre-charge threshold voltage */
+	if (chg->pre_uvolt < RT5033_CHARGER_PRE_THRESHOLD_LIMIT_MIN ||
+	    chg->pre_uvolt > RT5033_CHARGER_PRE_THRESHOLD_LIMIT_MAX) {
+		dev_err(charger->dev,
+			"Value 'precharge-upper-limit-microvolt' out of range\n");
+		return -EINVAL;
+	}
+
+	if (chg->pre_uvolt == RT5033_CHARGER_PRE_THRESHOLD_LIMIT_MIN)
+		reg_data = 0x00;
+	else if (chg->pre_uvolt == RT5033_CHARGER_PRE_THRESHOLD_LIMIT_MAX)
+		reg_data = 0x0f;
+	else {
+		val = chg->pre_uvolt;
+		val -= RT5033_CHARGER_PRE_THRESHOLD_LIMIT_MIN;
+		val /= RT5033_CHARGER_PRE_THRESHOLD_STEP_NUM;
+		reg_data = val;
+	}
+
+	ret = regmap_update_bits(charger->regmap, RT5033_REG_CHG_CTRL5,
+			RT5033_CHGCTRL5_VPREC_MASK, reg_data);
+	if (ret) {
+		dev_err(charger->dev, "Failed regmap update\n");
+		return -EINVAL;
+	}
+
+	/* Set pre-charge mode charging current */
+	if (chg->pre_uamp < RT5033_CHARGER_PRE_CURRENT_LIMIT_MIN ||
+	    chg->pre_uamp > RT5033_CHARGER_PRE_CURRENT_LIMIT_MAX) {
+		dev_err(charger->dev,
+			"Value 'precharge-current-microamp' out of range\n");
+		return -EINVAL;
+	}
+
+	if (chg->pre_uamp == RT5033_CHARGER_PRE_CURRENT_LIMIT_MIN)
+		reg_data = 0x00;
+	else if (chg->pre_uamp == RT5033_CHARGER_PRE_CURRENT_LIMIT_MAX)
+		reg_data = RT5033_CHG_MAX_PRE_CURRENT;
+	else {
+		val = chg->pre_uamp;
+		val -= RT5033_CHARGER_PRE_CURRENT_LIMIT_MIN;
+		val /= RT5033_CHARGER_PRE_CURRENT_STEP_NUM;
+		reg_data = val;
+	}
+
+	ret = regmap_update_bits(charger->regmap, RT5033_REG_CHG_CTRL4,
+			RT5033_CHGCTRL4_IPREC_MASK,
+			reg_data << RT5033_CHGCTRL4_IPREC_SHIFT);
+	if (ret) {
+		dev_err(charger->dev, "Failed regmap update\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int rt5033_charger_reg_init(struct rt5033_charger *charger)
+{
+	int ret = 0;
+
+	/* Enable charging termination */
+	ret = regmap_update_bits(charger->regmap, RT5033_REG_CHG_CTRL1,
+			RT5033_CHGCTRL1_TE_EN_MASK, RT5033_TE_ENABLE);
+	if (ret) {
+		dev_err(charger->dev, "Failed to enable charging termination.\n");
+		return -EINVAL;
+	}
+
+	/*
+	 * Disable minimum input voltage regulation (MIVR), this improves
+	 * the charging performance.
+	 */
+	ret = regmap_update_bits(charger->regmap, RT5033_REG_CHG_CTRL4,
+			RT5033_CHGCTRL4_MIVR_MASK, RT5033_CHARGER_MIVR_DISABLE);
+	if (ret) {
+		dev_err(charger->dev, "Failed to disable MIVR.\n");
+		return -EINVAL;
+	}
+
+	ret = rt5033_init_pre_charge(charger);
+	if (ret)
+		return ret;
+
+	ret = rt5033_init_fast_charge(charger);
+	if (ret)
+		return ret;
+
+	ret = rt5033_init_const_charge(charger);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static enum power_supply_property rt5033_charger_props[] = {
+	POWER_SUPPLY_PROP_STATUS,
+	POWER_SUPPLY_PROP_CHARGE_TYPE,
+	POWER_SUPPLY_PROP_CURRENT_MAX,
+	POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE,
+	POWER_SUPPLY_PROP_MODEL_NAME,
+	POWER_SUPPLY_PROP_MANUFACTURER,
+	POWER_SUPPLY_PROP_ONLINE,
+};
+
+static int rt5033_charger_get_property(struct power_supply *psy,
+			enum power_supply_property psp,
+			union power_supply_propval *val)
+{
+	struct rt5033_charger *charger = power_supply_get_drvdata(psy);
+
+	switch (psp) {
+	case POWER_SUPPLY_PROP_STATUS:
+		val->intval = rt5033_get_charger_state(charger);
+		break;
+	case POWER_SUPPLY_PROP_CHARGE_TYPE:
+		val->intval = rt5033_get_charger_type(charger);
+		break;
+	case POWER_SUPPLY_PROP_CURRENT_MAX:
+		val->intval = rt5033_get_charger_current_limit(charger);
+		break;
+	case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE:
+		val->intval = rt5033_get_charger_const_voltage(charger);
+		break;
+	case POWER_SUPPLY_PROP_MODEL_NAME:
+		val->strval = RT5033_CHARGER_MODEL;
+		break;
+	case POWER_SUPPLY_PROP_MANUFACTURER:
+		val->strval = RT5033_MANUFACTURER;
+		break;
+	case POWER_SUPPLY_PROP_ONLINE:
+		val->intval = (rt5033_get_charger_state(charger) ==
+				POWER_SUPPLY_STATUS_CHARGING);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static struct rt5033_charger_data *rt5033_charger_dt_init(
+						struct rt5033_charger *charger)
+{
+	struct rt5033_charger_data *chg;
+	struct power_supply_battery_info *info;
+	int ret;
+
+	chg = devm_kzalloc(charger->dev, sizeof(*chg), GFP_KERNEL);
+	if (!chg)
+		return ERR_PTR(-ENOMEM);
+
+	ret = power_supply_get_battery_info(charger->psy, &info);
+	if (ret)
+		return ERR_PTR(dev_err_probe(charger->dev, -EINVAL,
+			       "missing battery info\n"));
+
+	/* Assign data. Validity will be checked in the init functions. */
+	chg->pre_uamp = info->precharge_current_ua;
+	chg->fast_uamp = info->constant_charge_current_max_ua;
+	chg->eoc_uamp = info->charge_term_current_ua;
+	chg->pre_uvolt = info->precharge_voltage_max_uv;
+	chg->const_uvolt = info->constant_charge_voltage_max_uv;
+
+	return chg;
+}
+
+static const struct power_supply_desc rt5033_charger_desc = {
+	.name = "rt5033-charger",
+	.type = POWER_SUPPLY_TYPE_USB,
+	.properties = rt5033_charger_props,
+	.num_properties = ARRAY_SIZE(rt5033_charger_props),
+	.get_property = rt5033_charger_get_property,
+};
+
+static int rt5033_charger_probe(struct platform_device *pdev)
+{
+	struct rt5033_charger *charger;
+	struct power_supply_config psy_cfg = {};
+	int ret;
+
+	charger = devm_kzalloc(&pdev->dev, sizeof(*charger), GFP_KERNEL);
+	if (!charger)
+		return -ENOMEM;
+
+	platform_set_drvdata(pdev, charger);
+	charger->dev = &pdev->dev;
+	charger->regmap = dev_get_regmap(pdev->dev.parent, NULL);
+
+	psy_cfg.of_node = pdev->dev.of_node;
+	psy_cfg.drv_data = charger;
+
+	charger->psy = devm_power_supply_register(&pdev->dev,
+						  &rt5033_charger_desc,
+						  &psy_cfg);
+	if (IS_ERR(charger->psy))
+		return dev_err_probe(&pdev->dev, PTR_ERR(charger->psy),
+				     "Failed to register power supply\n");
+
+	charger->chg = rt5033_charger_dt_init(charger);
+	if (IS_ERR_OR_NULL(charger->chg))
+		return PTR_ERR(charger->chg);
+
+	ret = rt5033_charger_reg_init(charger);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static const struct platform_device_id rt5033_charger_id[] = {
+	{ "rt5033-charger", },
+	{ }
+};
+MODULE_DEVICE_TABLE(platform, rt5033_charger_id);
+
+static const struct of_device_id rt5033_charger_of_match[] = {
+	{ .compatible = "richtek,rt5033-charger", },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, rt5033_charger_of_match);
+
+static struct platform_driver rt5033_charger_driver = {
+	.driver = {
+		.name = "rt5033-charger",
+		.of_match_table = rt5033_charger_of_match,
+	},
+	.probe = rt5033_charger_probe,
+	.id_table = rt5033_charger_id,
+};
+module_platform_driver(rt5033_charger_driver);
+
+MODULE_DESCRIPTION("Richtek RT5033 charger driver");
+MODULE_AUTHOR("Beomho Seo <beomho.seo@samsung.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index 2c2405024ace..08d33290296b 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -556,6 +556,17 @@ config REGULATOR_MAX597X
 	  The MAX5970/5978 is a smart switch with no output regulation, but
 	  fault protection and voltage and current monitoring capabilities.
 
+config REGULATOR_MAX77541
+	tristate "Analog Devices MAX77541/77540 Regulator"
+	depends on MFD_MAX77541
+	help
+	  This driver controls a Analog Devices MAX77541/77540 regulators
+	  via I2C bus. Both MAX77540 and MAX77541 are dual-phase
+	  high-efficiency buck converter. Say Y here to
+	  enable the regulator driver.
+	  Say M here if you want to include support for the regulator as a
+	  module.
+
 config REGULATOR_MAX77620
 	tristate "Maxim 77620/MAX20024 voltage regulator"
 	depends on MFD_MAX77620 || COMPILE_TEST
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index ebfa75379c20..15e0d614ff66 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -68,6 +68,7 @@ obj-$(CONFIG_REGULATOR_LTC3676) += ltc3676.o
 obj-$(CONFIG_REGULATOR_MAX14577) += max14577-regulator.o
 obj-$(CONFIG_REGULATOR_MAX1586) += max1586.o
 obj-$(CONFIG_REGULATOR_MAX597X) += max597x-regulator.o
+obj-$(CONFIG_REGULATOR_MAX77541) += max77541-regulator.o
 obj-$(CONFIG_REGULATOR_MAX77620) += max77620-regulator.o
 obj-$(CONFIG_REGULATOR_MAX77650) += max77650-regulator.o
 obj-$(CONFIG_REGULATOR_MAX8649)	+= max8649.o
diff --git a/drivers/regulator/max77541-regulator.c b/drivers/regulator/max77541-regulator.c
new file mode 100644
index 000000000000..2976f9cb3e26
--- /dev/null
+++ b/drivers/regulator/max77541-regulator.c
@@ -0,0 +1,153 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2022 Analog Devices, Inc.
+ * ADI Regulator driver for the MAX77540 and MAX77541
+ */
+
+#include <linux/mfd/max77541.h>
+#include <linux/mod_devicetable.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/regulator/driver.h>
+
+static const struct regulator_ops max77541_buck_ops = {
+	.enable			= regulator_enable_regmap,
+	.disable		= regulator_disable_regmap,
+	.is_enabled		= regulator_is_enabled_regmap,
+	.list_voltage		= regulator_list_voltage_pickable_linear_range,
+	.get_voltage_sel	= regulator_get_voltage_sel_pickable_regmap,
+	.set_voltage_sel	= regulator_set_voltage_sel_pickable_regmap,
+};
+
+static const struct linear_range max77540_buck_ranges[] = {
+	/* Ranges when VOLT_SEL bits are 0x00 */
+	REGULATOR_LINEAR_RANGE(500000, 0x00, 0x8B, 5000),
+	REGULATOR_LINEAR_RANGE(1200000, 0x8C, 0xFF, 0),
+	/* Ranges when VOLT_SEL bits are 0x40 */
+	REGULATOR_LINEAR_RANGE(1200000, 0x00, 0x8B, 10000),
+	REGULATOR_LINEAR_RANGE(2400000, 0x8C, 0xFF, 0),
+	/* Ranges when VOLT_SEL bits are  0x80 */
+	REGULATOR_LINEAR_RANGE(2000000, 0x00, 0x9F, 20000),
+	REGULATOR_LINEAR_RANGE(5200000, 0xA0, 0xFF, 0),
+};
+
+static const struct linear_range max77541_buck_ranges[] = {
+	/* Ranges when VOLT_SEL bits are 0x00 */
+	REGULATOR_LINEAR_RANGE(300000, 0x00, 0xB3, 5000),
+	REGULATOR_LINEAR_RANGE(1200000, 0xB4, 0xFF, 0),
+	/* Ranges when VOLT_SEL bits are 0x40 */
+	REGULATOR_LINEAR_RANGE(1200000, 0x00, 0x8B, 10000),
+	REGULATOR_LINEAR_RANGE(2400000, 0x8C, 0xFF, 0),
+	/* Ranges when VOLT_SEL bits are  0x80 */
+	REGULATOR_LINEAR_RANGE(2000000, 0x00, 0x9F, 20000),
+	REGULATOR_LINEAR_RANGE(5200000, 0xA0, 0xFF, 0),
+};
+
+static const unsigned int max77541_buck_volt_range_sel[] = {
+	0x00, 0x00, 0x40, 0x40, 0x80, 0x80,
+};
+
+enum max77541_regulators {
+	MAX77541_BUCK1 = 1,
+	MAX77541_BUCK2,
+};
+
+#define MAX77540_BUCK(_id, _ops)					\
+	{	.id = MAX77541_BUCK ## _id,				\
+		.name = "buck"#_id,					\
+		.of_match = "buck"#_id,					\
+		.regulators_node = "regulators",			\
+		.enable_reg = MAX77541_REG_EN_CTRL,			\
+		.enable_mask = MAX77541_BIT_M ## _id ## _EN,		\
+		.ops = &(_ops),						\
+		.type = REGULATOR_VOLTAGE,				\
+		.linear_ranges = max77540_buck_ranges,			\
+		.n_linear_ranges = ARRAY_SIZE(max77540_buck_ranges),	\
+		.vsel_reg = MAX77541_REG_M ## _id ## _VOUT,		\
+		.vsel_mask = MAX77541_BITS_MX_VOUT,			\
+		.vsel_range_reg = MAX77541_REG_M ## _id ## _CFG1,	\
+		.vsel_range_mask = MAX77541_BITS_MX_CFG1_RNG,		\
+		.linear_range_selectors = max77541_buck_volt_range_sel, \
+		.owner = THIS_MODULE,					\
+	}
+
+#define MAX77541_BUCK(_id, _ops)					\
+	{	.id = MAX77541_BUCK ## _id,				\
+		.name = "buck"#_id,					\
+		.of_match = "buck"#_id,					\
+		.regulators_node = "regulators",			\
+		.enable_reg = MAX77541_REG_EN_CTRL,			\
+		.enable_mask = MAX77541_BIT_M ## _id ## _EN,		\
+		.ops = &(_ops),						\
+		.type = REGULATOR_VOLTAGE,				\
+		.linear_ranges = max77541_buck_ranges,			\
+		.n_linear_ranges = ARRAY_SIZE(max77541_buck_ranges),	\
+		.vsel_reg = MAX77541_REG_M ## _id ## _VOUT,		\
+		.vsel_mask = MAX77541_BITS_MX_VOUT,			\
+		.vsel_range_reg = MAX77541_REG_M ## _id ## _CFG1,	\
+		.vsel_range_mask = MAX77541_BITS_MX_CFG1_RNG,		\
+		.linear_range_selectors = max77541_buck_volt_range_sel, \
+		.owner = THIS_MODULE,					\
+	}
+
+static const struct regulator_desc max77540_regulators_desc[] = {
+	MAX77540_BUCK(1, max77541_buck_ops),
+	MAX77540_BUCK(2, max77541_buck_ops),
+};
+
+static const struct regulator_desc max77541_regulators_desc[] = {
+	MAX77541_BUCK(1, max77541_buck_ops),
+	MAX77541_BUCK(2, max77541_buck_ops),
+};
+
+static int max77541_regulator_probe(struct platform_device *pdev)
+{
+	struct regulator_config config = {};
+	const struct regulator_desc *desc;
+	struct device *dev = &pdev->dev;
+	struct regulator_dev *rdev;
+	struct max77541 *max77541 = dev_get_drvdata(dev->parent);
+	unsigned int i;
+
+	config.dev = dev->parent;
+
+	switch (max77541->id) {
+	case MAX77540:
+		desc = max77540_regulators_desc;
+		break;
+	case MAX77541:
+		desc = max77541_regulators_desc;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	for (i = 0; i < MAX77541_MAX_REGULATORS; i++) {
+		rdev = devm_regulator_register(dev, &desc[i], &config);
+		if (IS_ERR(rdev))
+			return dev_err_probe(dev, PTR_ERR(rdev),
+					     "Failed to register regulator\n");
+	}
+
+	return 0;
+}
+
+static const struct platform_device_id max77541_regulator_platform_id[] = {
+	{ "max77540-regulator" },
+	{ "max77541-regulator" },
+	{ }
+};
+MODULE_DEVICE_TABLE(platform, max77541_regulator_platform_id);
+
+static struct platform_driver max77541_regulator_driver = {
+	.driver = {
+		.name = "max77541-regulator",
+	},
+	.probe = max77541_regulator_probe,
+	.id_table = max77541_regulator_platform_id,
+};
+module_platform_driver(max77541_regulator_driver);
+
+MODULE_AUTHOR("Okan Sahin <Okan.Sahin@analog.com>");
+MODULE_DESCRIPTION("MAX77540/MAX77541 regulator driver");
+MODULE_LICENSE("GPL");
author	Linus Torvalds <torvalds@linux-foundation.org>	2023-07-03 10:55:04 -0700
committer	Linus Torvalds <torvalds@linux-foundation.org>	2023-07-03 10:55:04 -0700
commit	b8ec70ab66b09ee9e081a38b8625b5accb388176 (patch)
tree	ee13f3d46b30172e769e86c70ac701a8bf68fb5a /drivers
parent	99bdeae21d254056a1072cb6de19e6f9b7f52496 (diff)
parent	b05740d71bd2f8b2261930944bfe95f529190b8b (diff)