diff --git a/Documentation/devicetree/bindings/mfd/bd9571mwv.txt b/Documentation/devicetree/bindings/mfd/bd9571mwv.txt
index 8c4678650d1a..1d6413e96c37 100644
--- a/Documentation/devicetree/bindings/mfd/bd9571mwv.txt
+++ b/Documentation/devicetree/bindings/mfd/bd9571mwv.txt
@@ -1,7 +1,7 @@
-* ROHM BD9571MWV Power Management Integrated Circuit (PMIC) bindings
+* ROHM BD9571MWV/BD9574MWF Power Management Integrated Circuit (PMIC) bindings
 
 Required properties:
- - compatible		: Should be "rohm,bd9571mwv".
+ - compatible		: Should be "rohm,bd9571mwv" or "rohm,bd9574mwf".
  - reg			: I2C slave address.
  - interrupts		: The interrupt line the device is connected to.
  - interrupt-controller	: Marks the device node as an interrupt controller.
diff --git a/drivers/bus/sunxi-rsb.c b/drivers/bus/sunxi-rsb.c
index 1bb00a959c67..117716e23ffb 100644
--- a/drivers/bus/sunxi-rsb.c
+++ b/drivers/bus/sunxi-rsb.c
@@ -170,7 +170,9 @@ static int sunxi_rsb_device_remove(struct device *dev)
 {
 	const struct sunxi_rsb_driver *drv = to_sunxi_rsb_driver(dev->driver);
 
-	return drv->remove(to_sunxi_rsb_device(dev));
+	drv->remove(to_sunxi_rsb_device(dev));
+
+	return 0;
 }
 
 static struct bus_type sunxi_rsb_bus = {
diff --git a/drivers/gpio/gpio-bd9571mwv.c b/drivers/gpio/gpio-bd9571mwv.c
index c0abc9c6851b..df6102b57734 100644
--- a/drivers/gpio/gpio-bd9571mwv.c
+++ b/drivers/gpio/gpio-bd9571mwv.c
@@ -1,31 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
- * ROHM BD9571MWV-M GPIO driver
+ * ROHM BD9571MWV-M and BD9574MWF-M GPIO driver
  *
  * Copyright (C) 2017 Marek Vasut <marek.vasut+renesas@gmail.com>
  *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed "as is" WITHOUT ANY WARRANTY of any
- * kind, whether expressed or implied; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License version 2 for more details.
- *
  * Based on the TPS65086 driver
  *
  * NOTE: Interrupts are not supported yet.
  */
 
 #include <linux/gpio/driver.h>
+#include <linux/mfd/rohm-generic.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
 
 #include <linux/mfd/bd9571mwv.h>
 
 struct bd9571mwv_gpio {
+	struct regmap *regmap;
 	struct gpio_chip chip;
-	struct bd9571mwv *bd;
 };
 
 static int bd9571mwv_gpio_get_direction(struct gpio_chip *chip,
@@ -34,7 +27,7 @@ static int bd9571mwv_gpio_get_direction(struct gpio_chip *chip,
 	struct bd9571mwv_gpio *gpio = gpiochip_get_data(chip);
 	int ret, val;
 
-	ret = regmap_read(gpio->bd->regmap, BD9571MWV_GPIO_DIR, &val);
+	ret = regmap_read(gpio->regmap, BD9571MWV_GPIO_DIR, &val);
 	if (ret < 0)
 		return ret;
 	if (val & BIT(offset))
@@ -48,8 +41,7 @@ static int bd9571mwv_gpio_direction_input(struct gpio_chip *chip,
 {
 	struct bd9571mwv_gpio *gpio = gpiochip_get_data(chip);
 
-	regmap_update_bits(gpio->bd->regmap, BD9571MWV_GPIO_DIR,
-			   BIT(offset), 0);
+	regmap_update_bits(gpio->regmap, BD9571MWV_GPIO_DIR, BIT(offset), 0);
 
 	return 0;
 }
@@ -60,9 +52,9 @@ static int bd9571mwv_gpio_direction_output(struct gpio_chip *chip,
 	struct bd9571mwv_gpio *gpio = gpiochip_get_data(chip);
 
 	/* Set the initial value */
-	regmap_update_bits(gpio->bd->regmap, BD9571MWV_GPIO_OUT,
+	regmap_update_bits(gpio->regmap, BD9571MWV_GPIO_OUT,
 			   BIT(offset), value ? BIT(offset) : 0);
-	regmap_update_bits(gpio->bd->regmap, BD9571MWV_GPIO_DIR,
+	regmap_update_bits(gpio->regmap, BD9571MWV_GPIO_DIR,
 			   BIT(offset), BIT(offset));
 
 	return 0;
@@ -73,7 +65,7 @@ static int bd9571mwv_gpio_get(struct gpio_chip *chip, unsigned int offset)
 	struct bd9571mwv_gpio *gpio = gpiochip_get_data(chip);
 	int ret, val;
 
-	ret = regmap_read(gpio->bd->regmap, BD9571MWV_GPIO_IN, &val);
+	ret = regmap_read(gpio->regmap, BD9571MWV_GPIO_IN, &val);
 	if (ret < 0)
 		return ret;
 
@@ -85,7 +77,7 @@ static void bd9571mwv_gpio_set(struct gpio_chip *chip, unsigned int offset,
 {
 	struct bd9571mwv_gpio *gpio = gpiochip_get_data(chip);
 
-	regmap_update_bits(gpio->bd->regmap, BD9571MWV_GPIO_OUT,
+	regmap_update_bits(gpio->regmap, BD9571MWV_GPIO_OUT,
 			   BIT(offset), value ? BIT(offset) : 0);
 }
 
@@ -113,9 +105,9 @@ static int bd9571mwv_gpio_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, gpio);
 
-	gpio->bd = dev_get_drvdata(pdev->dev.parent);
+	gpio->regmap = dev_get_regmap(pdev->dev.parent, NULL);
 	gpio->chip = template_chip;
-	gpio->chip.parent = gpio->bd->dev;
+	gpio->chip.parent = pdev->dev.parent;
 
 	ret = devm_gpiochip_add_data(&pdev->dev, &gpio->chip, gpio);
 	if (ret < 0) {
@@ -127,7 +119,8 @@ static int bd9571mwv_gpio_probe(struct platform_device *pdev)
 }
 
 static const struct platform_device_id bd9571mwv_gpio_id_table[] = {
-	{ "bd9571mwv-gpio", },
+	{ "bd9571mwv-gpio", ROHM_CHIP_TYPE_BD9571 },
+	{ "bd9574mwf-gpio", ROHM_CHIP_TYPE_BD9574 },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(platform, bd9571mwv_gpio_id_table);
diff --git a/drivers/mfd/axp20x-i2c.c b/drivers/mfd/axp20x-i2c.c
index 2cfde81f5fbf..00ab48018d8d 100644
--- a/drivers/mfd/axp20x-i2c.c
+++ b/drivers/mfd/axp20x-i2c.c
@@ -54,7 +54,9 @@ static int axp20x_i2c_remove(struct i2c_client *i2c)
 {
 	struct axp20x_dev *axp20x = i2c_get_clientdata(i2c);
 
-	return axp20x_device_remove(axp20x);
+	axp20x_device_remove(axp20x);
+
+	return 0;
 }
 
 #ifdef CONFIG_OF
diff --git a/drivers/mfd/axp20x-rsb.c b/drivers/mfd/axp20x-rsb.c
index 4cdc79f5cc48..214bc0d84d44 100644
--- a/drivers/mfd/axp20x-rsb.c
+++ b/drivers/mfd/axp20x-rsb.c
@@ -49,11 +49,11 @@ static int axp20x_rsb_probe(struct sunxi_rsb_device *rdev)
 	return axp20x_device_probe(axp20x);
 }
 
-static int axp20x_rsb_remove(struct sunxi_rsb_device *rdev)
+static void axp20x_rsb_remove(struct sunxi_rsb_device *rdev)
 {
 	struct axp20x_dev *axp20x = sunxi_rsb_device_get_drvdata(rdev);
 
-	return axp20x_device_remove(axp20x);
+	axp20x_device_remove(axp20x);
 }
 
 static const struct of_device_id axp20x_rsb_of_match[] = {
diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c
index aa59496e4376..3eae04e24ac8 100644
--- a/drivers/mfd/axp20x.c
+++ b/drivers/mfd/axp20x.c
@@ -987,7 +987,7 @@ int axp20x_device_probe(struct axp20x_dev *axp20x)
 }
 EXPORT_SYMBOL(axp20x_device_probe);
 
-int axp20x_device_remove(struct axp20x_dev *axp20x)
+void axp20x_device_remove(struct axp20x_dev *axp20x)
 {
 	if (axp20x == axp20x_pm_power_off) {
 		axp20x_pm_power_off = NULL;
@@ -996,8 +996,6 @@ int axp20x_device_remove(struct axp20x_dev *axp20x)
 
 	mfd_remove_devices(axp20x->dev);
 	regmap_del_irq_chip(axp20x->irq, axp20x->regmap_irqc);
-
-	return 0;
 }
 EXPORT_SYMBOL(axp20x_device_remove);
 
diff --git a/drivers/mfd/bd9571mwv.c b/drivers/mfd/bd9571mwv.c
index fab3cdc27ed6..e15b1acfb063 100644
--- a/drivers/mfd/bd9571mwv.c
+++ b/drivers/mfd/bd9571mwv.c
@@ -1,16 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
- * ROHM BD9571MWV-M MFD driver
+ * ROHM BD9571MWV-M and BD9574MVF-M core driver
  *
  * Copyright (C) 2017 Marek Vasut <marek.vasut+renesas@gmail.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed "as is" WITHOUT ANY WARRANTY of any
- * kind, whether expressed or implied; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License version 2 for more details.
+ * Copyright (C) 2020 Renesas Electronics Corporation
  *
  * Based on the TPS65086 driver
  */
@@ -18,6 +11,7 @@
 #include <linux/i2c.h>
 #include <linux/interrupt.h>
 #include <linux/mfd/core.h>
+#include <linux/mfd/rohm-generic.h>
 #include <linux/module.h>
 
 #include <linux/mfd/bd9571mwv.h>
@@ -110,13 +104,78 @@ static struct regmap_irq_chip bd9571mwv_irq_chip = {
 	.num_irqs	= ARRAY_SIZE(bd9571mwv_irqs),
 };
 
-static int bd9571mwv_identify(struct bd9571mwv *bd)
+static const struct mfd_cell bd9574mwf_cells[] = {
+	{ .name = "bd9574mwf-regulator", },
+	{ .name = "bd9574mwf-gpio", },
+};
+
+static const struct regmap_range bd9574mwf_readable_yes_ranges[] = {
+	regmap_reg_range(BD9571MWV_VENDOR_CODE, BD9571MWV_PRODUCT_REVISION),
+	regmap_reg_range(BD9571MWV_BKUP_MODE_CNT, BD9571MWV_BKUP_MODE_CNT),
+	regmap_reg_range(BD9571MWV_DVFS_VINIT, BD9571MWV_DVFS_SETVMAX),
+	regmap_reg_range(BD9571MWV_DVFS_SETVID, BD9571MWV_DVFS_MONIVDAC),
+	regmap_reg_range(BD9571MWV_GPIO_IN, BD9571MWV_GPIO_IN),
+	regmap_reg_range(BD9571MWV_GPIO_INT, BD9571MWV_GPIO_INTMASK),
+	regmap_reg_range(BD9571MWV_INT_INTREQ, BD9571MWV_INT_INTMASK),
+};
+
+static const struct regmap_access_table bd9574mwf_readable_table = {
+	.yes_ranges	= bd9574mwf_readable_yes_ranges,
+	.n_yes_ranges	= ARRAY_SIZE(bd9574mwf_readable_yes_ranges),
+};
+
+static const struct regmap_range bd9574mwf_writable_yes_ranges[] = {
+	regmap_reg_range(BD9571MWV_BKUP_MODE_CNT, BD9571MWV_BKUP_MODE_CNT),
+	regmap_reg_range(BD9571MWV_DVFS_SETVID, BD9571MWV_DVFS_SETVID),
+	regmap_reg_range(BD9571MWV_GPIO_DIR, BD9571MWV_GPIO_OUT),
+	regmap_reg_range(BD9571MWV_GPIO_INT_SET, BD9571MWV_GPIO_INTMASK),
+	regmap_reg_range(BD9571MWV_INT_INTREQ, BD9571MWV_INT_INTMASK),
+};
+
+static const struct regmap_access_table bd9574mwf_writable_table = {
+	.yes_ranges	= bd9574mwf_writable_yes_ranges,
+	.n_yes_ranges	= ARRAY_SIZE(bd9574mwf_writable_yes_ranges),
+};
+
+static const struct regmap_range bd9574mwf_volatile_yes_ranges[] = {
+	regmap_reg_range(BD9571MWV_DVFS_MONIVDAC, BD9571MWV_DVFS_MONIVDAC),
+	regmap_reg_range(BD9571MWV_GPIO_IN, BD9571MWV_GPIO_IN),
+	regmap_reg_range(BD9571MWV_GPIO_INT, BD9571MWV_GPIO_INT),
+	regmap_reg_range(BD9571MWV_INT_INTREQ, BD9571MWV_INT_INTREQ),
+};
+
+static const struct regmap_access_table bd9574mwf_volatile_table = {
+	.yes_ranges	= bd9574mwf_volatile_yes_ranges,
+	.n_yes_ranges	= ARRAY_SIZE(bd9574mwf_volatile_yes_ranges),
+};
+
+static const struct regmap_config bd9574mwf_regmap_config = {
+	.reg_bits	= 8,
+	.val_bits	= 8,
+	.cache_type	= REGCACHE_RBTREE,
+	.rd_table	= &bd9574mwf_readable_table,
+	.wr_table	= &bd9574mwf_writable_table,
+	.volatile_table	= &bd9574mwf_volatile_table,
+	.max_register	= 0xff,
+};
+
+static struct regmap_irq_chip bd9574mwf_irq_chip = {
+	.name		= "bd9574mwf",
+	.status_base	= BD9571MWV_INT_INTREQ,
+	.mask_base	= BD9571MWV_INT_INTMASK,
+	.ack_base	= BD9571MWV_INT_INTREQ,
+	.init_ack_masked = true,
+	.num_regs	= 1,
+	.irqs		= bd9571mwv_irqs,
+	.num_irqs	= ARRAY_SIZE(bd9571mwv_irqs),
+};
+
+static int bd957x_identify(struct device *dev, struct regmap *regmap)
 {
-	struct device *dev = bd->dev;
 	unsigned int value;
 	int ret;
 
-	ret = regmap_read(bd->regmap, BD9571MWV_VENDOR_CODE, &value);
+	ret = regmap_read(regmap, BD9571MWV_VENDOR_CODE, &value);
 	if (ret) {
 		dev_err(dev, "Failed to read vendor code register (ret=%i)\n",
 			ret);
@@ -129,84 +188,82 @@ static int bd9571mwv_identify(struct bd9571mwv *bd)
 		return -EINVAL;
 	}
 
-	ret = regmap_read(bd->regmap, BD9571MWV_PRODUCT_CODE, &value);
+	ret = regmap_read(regmap, BD9571MWV_PRODUCT_CODE, &value);
 	if (ret) {
 		dev_err(dev, "Failed to read product code register (ret=%i)\n",
 			ret);
 		return ret;
 	}
-
-	if (value != BD9571MWV_PRODUCT_CODE_VAL) {
-		dev_err(dev, "Invalid product code ID %02x (expected %02x)\n",
-			value, BD9571MWV_PRODUCT_CODE_VAL);
-		return -EINVAL;
-	}
-
-	ret = regmap_read(bd->regmap, BD9571MWV_PRODUCT_REVISION, &value);
+	ret = regmap_read(regmap, BD9571MWV_PRODUCT_REVISION, &value);
 	if (ret) {
 		dev_err(dev, "Failed to read revision register (ret=%i)\n",
 			ret);
 		return ret;
 	}
 
-	dev_info(dev, "Device: BD9571MWV rev. %d\n", value & 0xff);
-
 	return 0;
 }
 
 static int bd9571mwv_probe(struct i2c_client *client,
-			  const struct i2c_device_id *ids)
+			   const struct i2c_device_id *ids)
 {
-	struct bd9571mwv *bd;
-	int ret;
+	const struct regmap_config *regmap_config;
+	const struct regmap_irq_chip *irq_chip;
+	const struct mfd_cell *cells;
+	struct device *dev = &client->dev;
+	struct regmap *regmap;
+	struct regmap_irq_chip_data *irq_data;
+	int ret, num_cells, irq = client->irq;
 
-	bd = devm_kzalloc(&client->dev, sizeof(*bd), GFP_KERNEL);
-	if (!bd)
-		return -ENOMEM;
-
-	i2c_set_clientdata(client, bd);
-	bd->dev = &client->dev;
-	bd->irq = client->irq;
-
-	bd->regmap = devm_regmap_init_i2c(client, &bd9571mwv_regmap_config);
-	if (IS_ERR(bd->regmap)) {
-		dev_err(bd->dev, "Failed to initialize register map\n");
-		return PTR_ERR(bd->regmap);
+	/* Read the PMIC product code */
+	ret = i2c_smbus_read_byte_data(client, BD9571MWV_PRODUCT_CODE);
+	if (ret < 0) {
+		dev_err(dev, "Failed to read product code\n");
+		return ret;
 	}
 
-	ret = bd9571mwv_identify(bd);
+	switch (ret) {
+	case BD9571MWV_PRODUCT_CODE_BD9571MWV:
+		regmap_config = &bd9571mwv_regmap_config;
+		irq_chip = &bd9571mwv_irq_chip;
+		cells = bd9571mwv_cells;
+		num_cells = ARRAY_SIZE(bd9571mwv_cells);
+		break;
+	case BD9571MWV_PRODUCT_CODE_BD9574MWF:
+		regmap_config = &bd9574mwf_regmap_config;
+		irq_chip = &bd9574mwf_irq_chip;
+		cells = bd9574mwf_cells;
+		num_cells = ARRAY_SIZE(bd9574mwf_cells);
+		break;
+	default:
+		dev_err(dev, "Unsupported device 0x%x\n", ret);
+		return -ENODEV;
+	}
+
+	regmap = devm_regmap_init_i2c(client, regmap_config);
+	if (IS_ERR(regmap)) {
+		dev_err(dev, "Failed to initialize register map\n");
+		return PTR_ERR(regmap);
+	}
+
+	ret = bd957x_identify(dev, regmap);
 	if (ret)
 		return ret;
 
-	ret = regmap_add_irq_chip(bd->regmap, bd->irq, IRQF_ONESHOT, 0,
-				  &bd9571mwv_irq_chip, &bd->irq_data);
+	ret = devm_regmap_add_irq_chip(dev, regmap, irq, IRQF_ONESHOT, 0,
+				       irq_chip, &irq_data);
 	if (ret) {
-		dev_err(bd->dev, "Failed to register IRQ chip\n");
+		dev_err(dev, "Failed to register IRQ chip\n");
 		return ret;
 	}
 
-	ret = mfd_add_devices(bd->dev, PLATFORM_DEVID_AUTO, bd9571mwv_cells,
-			      ARRAY_SIZE(bd9571mwv_cells), NULL, 0,
-			      regmap_irq_get_domain(bd->irq_data));
-	if (ret) {
-		regmap_del_irq_chip(bd->irq, bd->irq_data);
-		return ret;
-	}
-
-	return 0;
-}
-
-static int bd9571mwv_remove(struct i2c_client *client)
-{
-	struct bd9571mwv *bd = i2c_get_clientdata(client);
-
-	regmap_del_irq_chip(bd->irq, bd->irq_data);
-
-	return 0;
+	return devm_mfd_add_devices(dev, PLATFORM_DEVID_AUTO, cells, num_cells,
+				    NULL, 0, regmap_irq_get_domain(irq_data));
 }
 
 static const struct of_device_id bd9571mwv_of_match_table[] = {
 	{ .compatible = "rohm,bd9571mwv", },
+	{ .compatible = "rohm,bd9574mwf", },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, bd9571mwv_of_match_table);
@@ -223,7 +280,6 @@ static struct i2c_driver bd9571mwv_driver = {
 		.of_match_table = bd9571mwv_of_match_table,
 	},
 	.probe		= bd9571mwv_probe,
-	.remove		= bd9571mwv_remove,
 	.id_table       = bd9571mwv_id_table,
 };
 module_i2c_driver(bd9571mwv_driver);
diff --git a/drivers/regulator/bd9571mwv-regulator.c b/drivers/regulator/bd9571mwv-regulator.c
index e690c2ce5b3c..7b0cd08db446 100644
--- a/drivers/regulator/bd9571mwv-regulator.c
+++ b/drivers/regulator/bd9571mwv-regulator.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * ROHM BD9571MWV-M regulator driver
+ * ROHM BD9571MWV-M and BD9574MWF-M regulator driver
  *
  * Copyright (C) 2017 Marek Vasut <marek.vasut+renesas@gmail.com>
  *
@@ -9,6 +9,7 @@
  * NOTE: VD09 is missing
  */
 
+#include <linux/mfd/rohm-generic.h>
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/platform_device.h>
@@ -17,7 +18,7 @@
 #include <linux/mfd/bd9571mwv.h>
 
 struct bd9571mwv_reg {
-	struct bd9571mwv *bd;
+	struct regmap *regmap;
 
 	/* DDR Backup Power */
 	u8 bkup_mode_cnt_keepon;	/* from "rohm,ddr-backup-power" */
@@ -137,26 +138,30 @@ static const struct regulator_desc regulators[] = {
 };
 
 #ifdef CONFIG_PM_SLEEP
-static int bd9571mwv_bkup_mode_read(struct bd9571mwv *bd, unsigned int *mode)
+static int bd9571mwv_bkup_mode_read(struct bd9571mwv_reg *bdreg,
+				    unsigned int *mode)
 {
 	int ret;
 
-	ret = regmap_read(bd->regmap, BD9571MWV_BKUP_MODE_CNT, mode);
+	ret = regmap_read(bdreg->regmap, BD9571MWV_BKUP_MODE_CNT, mode);
 	if (ret) {
-		dev_err(bd->dev, "failed to read backup mode (%d)\n", ret);
+		dev_err(regmap_get_device(bdreg->regmap),
+			"failed to read backup mode (%d)\n", ret);
 		return ret;
 	}
 
 	return 0;
 }
 
-static int bd9571mwv_bkup_mode_write(struct bd9571mwv *bd, unsigned int mode)
+static int bd9571mwv_bkup_mode_write(struct bd9571mwv_reg *bdreg,
+				     unsigned int mode)
 {
 	int ret;
 
-	ret = regmap_write(bd->regmap, BD9571MWV_BKUP_MODE_CNT, mode);
+	ret = regmap_write(bdreg->regmap, BD9571MWV_BKUP_MODE_CNT, mode);
 	if (ret) {
-		dev_err(bd->dev, "failed to configure backup mode 0x%x (%d)\n",
+		dev_err(regmap_get_device(bdreg->regmap),
+			"failed to configure backup mode 0x%x (%d)\n",
 			mode, ret);
 		return ret;
 	}
@@ -194,7 +199,7 @@ static ssize_t backup_mode_store(struct device *dev,
 	 * Configure DDR Backup Mode, to change the role of the accessory power
 	 * switch from a power switch to a wake-up switch, or vice versa
 	 */
-	ret = bd9571mwv_bkup_mode_read(bdreg->bd, &mode);
+	ret = bd9571mwv_bkup_mode_read(bdreg, &mode);
 	if (ret)
 		return ret;
 
@@ -202,7 +207,7 @@ static ssize_t backup_mode_store(struct device *dev,
 	if (bdreg->bkup_mode_enabled)
 		mode |= bdreg->bkup_mode_cnt_keepon;
 
-	ret = bd9571mwv_bkup_mode_write(bdreg->bd, mode);
+	ret = bd9571mwv_bkup_mode_write(bdreg, mode);
 	if (ret)
 		return ret;
 
@@ -221,7 +226,7 @@ static int bd9571mwv_suspend(struct device *dev)
 		return 0;
 
 	/* Save DDR Backup Mode */
-	ret = bd9571mwv_bkup_mode_read(bdreg->bd, &mode);
+	ret = bd9571mwv_bkup_mode_read(bdreg, &mode);
 	if (ret)
 		return ret;
 
@@ -235,7 +240,7 @@ static int bd9571mwv_suspend(struct device *dev)
 	mode |= bdreg->bkup_mode_cnt_keepon;
 
 	if (mode != bdreg->bkup_mode_cnt_saved)
-		return bd9571mwv_bkup_mode_write(bdreg->bd, mode);
+		return bd9571mwv_bkup_mode_write(bdreg, mode);
 
 	return 0;
 }
@@ -248,7 +253,7 @@ static int bd9571mwv_resume(struct device *dev)
 		return 0;
 
 	/* Restore DDR Backup Mode */
-	return bd9571mwv_bkup_mode_write(bdreg->bd, bdreg->bkup_mode_cnt_saved);
+	return bd9571mwv_bkup_mode_write(bdreg, bdreg->bkup_mode_cnt_saved);
 }
 
 static const struct dev_pm_ops bd9571mwv_pm  = {
@@ -268,51 +273,54 @@ static int bd9571mwv_regulator_remove(struct platform_device *pdev)
 
 static int bd9571mwv_regulator_probe(struct platform_device *pdev)
 {
-	struct bd9571mwv *bd = dev_get_drvdata(pdev->dev.parent);
 	struct regulator_config config = { };
 	struct bd9571mwv_reg *bdreg;
 	struct regulator_dev *rdev;
 	unsigned int val;
 	int i;
+	enum rohm_chip_type chip = platform_get_device_id(pdev)->driver_data;
 
 	bdreg = devm_kzalloc(&pdev->dev, sizeof(*bdreg), GFP_KERNEL);
 	if (!bdreg)
 		return -ENOMEM;
 
-	bdreg->bd = bd;
+	bdreg->regmap = dev_get_regmap(pdev->dev.parent, NULL);
 
 	platform_set_drvdata(pdev, bdreg);
 
 	config.dev = &pdev->dev;
-	config.dev->of_node = bd->dev->of_node;
-	config.driver_data = bd;
-	config.regmap = bd->regmap;
+	config.dev->of_node = pdev->dev.parent->of_node;
+	config.driver_data = bdreg;
+	config.regmap = bdreg->regmap;
 
 	for (i = 0; i < ARRAY_SIZE(regulators); i++) {
+		/* BD9574MWF supports DVFS only */
+		if (chip == ROHM_CHIP_TYPE_BD9574 && regulators[i].id != DVFS)
+			continue;
 		rdev = devm_regulator_register(&pdev->dev, &regulators[i],
 					       &config);
 		if (IS_ERR(rdev)) {
-			dev_err(bd->dev, "failed to register %s regulator\n",
+			dev_err(&pdev->dev, "failed to register %s regulator\n",
 				pdev->name);
 			return PTR_ERR(rdev);
 		}
 	}
 
 	val = 0;
-	of_property_read_u32(bd->dev->of_node, "rohm,ddr-backup-power", &val);
+	of_property_read_u32(config.dev->of_node, "rohm,ddr-backup-power", &val);
 	if (val & ~BD9571MWV_BKUP_MODE_CNT_KEEPON_MASK) {
-		dev_err(bd->dev, "invalid %s mode %u\n",
+		dev_err(&pdev->dev, "invalid %s mode %u\n",
 			"rohm,ddr-backup-power", val);
 		return -EINVAL;
 	}
 	bdreg->bkup_mode_cnt_keepon = val;
 
-	bdreg->rstbmode_level = of_property_read_bool(bd->dev->of_node,
+	bdreg->rstbmode_level = of_property_read_bool(config.dev->of_node,
 						      "rohm,rstbmode-level");
-	bdreg->rstbmode_pulse = of_property_read_bool(bd->dev->of_node,
+	bdreg->rstbmode_pulse = of_property_read_bool(config.dev->of_node,
 						      "rohm,rstbmode-pulse");
 	if (bdreg->rstbmode_level && bdreg->rstbmode_pulse) {
-		dev_err(bd->dev, "only one rohm,rstbmode-* may be specified");
+		dev_err(&pdev->dev, "only one rohm,rstbmode-* may be specified");
 		return -EINVAL;
 	}
 
@@ -336,7 +344,8 @@ static int bd9571mwv_regulator_probe(struct platform_device *pdev)
 }
 
 static const struct platform_device_id bd9571mwv_regulator_id_table[] = {
-	{ "bd9571mwv-regulator", },
+	{ "bd9571mwv-regulator", ROHM_CHIP_TYPE_BD9571 },
+	{ "bd9574mwf-regulator", ROHM_CHIP_TYPE_BD9574 },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(platform, bd9571mwv_regulator_id_table);
diff --git a/include/linux/mfd/axp20x.h b/include/linux/mfd/axp20x.h
index fd5957c042da..9ab0e2fca7ea 100644
--- a/include/linux/mfd/axp20x.h
+++ b/include/linux/mfd/axp20x.h
@@ -696,6 +696,6 @@ int axp20x_device_probe(struct axp20x_dev *axp20x);
  *
  * This tells the axp20x core to remove the associated mfd devices
  */
-int axp20x_device_remove(struct axp20x_dev *axp20x);
+void axp20x_device_remove(struct axp20x_dev *axp20x);
 
 #endif /* __LINUX_MFD_AXP20X_H */
diff --git a/include/linux/mfd/bd9571mwv.h b/include/linux/mfd/bd9571mwv.h
index eb05569f752b..8efd99d07c9e 100644
--- a/include/linux/mfd/bd9571mwv.h
+++ b/include/linux/mfd/bd9571mwv.h
@@ -1,16 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
- * ROHM BD9571MWV-M driver
+ * ROHM BD9571MWV-M and BD9574MWF-M driver
  *
  * Copyright (C) 2017 Marek Vasut <marek.vasut+renesas@gmail.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed "as is" WITHOUT ANY WARRANTY of any
- * kind, whether expressed or implied; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License version 2 for more details.
+ * Copyright (C) 2020 Renesas Electronics Corporation
  *
  * Based on the TPS65086 driver
  */
@@ -21,11 +14,12 @@
 #include <linux/device.h>
 #include <linux/regmap.h>
 
-/* List of registers for BD9571MWV */
+/* List of registers for BD9571MWV and BD9574MWF */
 #define BD9571MWV_VENDOR_CODE			0x00
 #define BD9571MWV_VENDOR_CODE_VAL		0xdb
 #define BD9571MWV_PRODUCT_CODE			0x01
-#define BD9571MWV_PRODUCT_CODE_VAL		0x60
+#define BD9571MWV_PRODUCT_CODE_BD9571MWV	0x60
+#define BD9571MWV_PRODUCT_CODE_BD9574MWF	0x74
 #define BD9571MWV_PRODUCT_REVISION		0x02
 
 #define BD9571MWV_I2C_FUSA_MODE			0x10
@@ -55,6 +49,7 @@
 #define BD9571MWV_VD33_VID			0x44
 
 #define BD9571MWV_DVFS_VINIT			0x50
+#define BD9574MWF_VD09_VINIT			0x51
 #define BD9571MWV_DVFS_SETVMAX			0x52
 #define BD9571MWV_DVFS_BOOSTVID			0x53
 #define BD9571MWV_DVFS_SETVID			0x54
@@ -68,6 +63,7 @@
 #define BD9571MWV_GPIO_INT_SET			0x64
 #define BD9571MWV_GPIO_INT			0x65
 #define BD9571MWV_GPIO_INTMASK			0x66
+#define BD9574MWF_GPIO_MUX			0x67
 
 #define BD9571MWV_REG_KEEP(n)			(0x70 + (n))
 
@@ -77,6 +73,8 @@
 #define BD9571MWV_PROT_ERROR_STATUS2		0x83
 #define BD9571MWV_PROT_ERROR_STATUS3		0x84
 #define BD9571MWV_PROT_ERROR_STATUS4		0x85
+#define BD9574MWF_PROT_ERROR_STATUS5		0x86
+#define BD9574MWF_SYSTEM_ERROR_STATUS		0x87
 
 #define BD9571MWV_INT_INTREQ			0x90
 #define BD9571MWV_INT_INTREQ_MD1_INT		BIT(0)
@@ -89,6 +87,12 @@
 #define BD9571MWV_INT_INTREQ_BKUP_TRG_INT	BIT(7)
 #define BD9571MWV_INT_INTMASK			0x91
 
+#define BD9574MWF_SSCG_CNT			0xA0
+#define BD9574MWF_POFFB_MRB			0xA1
+#define BD9574MWF_SMRB_WR_PROT			0xA2
+#define BD9574MWF_SMRB_ASSERT			0xA3
+#define BD9574MWF_SMRB_STATUS			0xA4
+
 #define BD9571MWV_ACCESS_KEY			0xff
 
 /* Define the BD9571MWV IRQ numbers */
@@ -98,23 +102,8 @@ enum bd9571mwv_irqs {
 	BD9571MWV_IRQ_MD2_E2,
 	BD9571MWV_IRQ_PROT_ERR,
 	BD9571MWV_IRQ_GP,
-	BD9571MWV_IRQ_128H_OF,
+	BD9571MWV_IRQ_128H_OF,	/* BKUP_HOLD on BD9574MWF */
 	BD9571MWV_IRQ_WDT_OF,
 	BD9571MWV_IRQ_BKUP_TRG,
 };
-
-/**
- * struct bd9571mwv - state holder for the bd9571mwv driver
- *
- * Device data may be used to access the BD9571MWV chip
- */
-struct bd9571mwv {
-	struct device *dev;
-	struct regmap *regmap;
-
-	/* IRQ Data */
-	int irq;
-	struct regmap_irq_chip_data *irq_data;
-};
-
 #endif /* __LINUX_MFD_BD9571MWV_H */
diff --git a/include/linux/mfd/rohm-generic.h b/include/linux/mfd/rohm-generic.h
index 4283b5b33e04..affacf8c6e91 100644
--- a/include/linux/mfd/rohm-generic.h
+++ b/include/linux/mfd/rohm-generic.h
@@ -12,6 +12,8 @@ enum rohm_chip_type {
 	ROHM_CHIP_TYPE_BD71847,
 	ROHM_CHIP_TYPE_BD70528,
 	ROHM_CHIP_TYPE_BD71828,
+	ROHM_CHIP_TYPE_BD9571,
+	ROHM_CHIP_TYPE_BD9574,
 	ROHM_CHIP_TYPE_AMOUNT
 };
 
diff --git a/include/linux/sunxi-rsb.h b/include/linux/sunxi-rsb.h
index 7e75bb0346d0..bf0d365f471c 100644
--- a/include/linux/sunxi-rsb.h
+++ b/include/linux/sunxi-rsb.h
@@ -59,7 +59,7 @@ static inline void sunxi_rsb_device_set_drvdata(struct sunxi_rsb_device *rdev,
 struct sunxi_rsb_driver {
 	struct device_driver driver;
 	int (*probe)(struct sunxi_rsb_device *rdev);
-	int (*remove)(struct sunxi_rsb_device *rdev);
+	void (*remove)(struct sunxi_rsb_device *rdev);
 };
 
 static inline struct sunxi_rsb_driver *to_sunxi_rsb_driver(struct device_driver *d)