diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 8b93856de432..416fe7986b7b 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -253,6 +253,18 @@ 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"
+	depends on I2C
+	depends on OF
+	select MFD_CORE
+	select REGMAP_I2C
+	help
+	  This driver controls a Maxim 5970/5978 switch via I2C bus.
+	  The MAX5970/5978 is a smart switch with no output regulation, but
+	  fault protection and voltage and current monitoring capabilities.
+	  Also it supports upto 4 indication LEDs.
+
 config MFD_CS47L15
 	bool "Cirrus Logic CS47L15"
 	select PINCTRL_CS47L15
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 7ed3ef4a698c..819d711fa748 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -161,6 +161,7 @@ obj-$(CONFIG_MFD_DA9063)	+= da9063.o
 obj-$(CONFIG_MFD_DA9150)	+= da9150-core.o
 
 obj-$(CONFIG_MFD_MAX14577)	+= max14577.o
+obj-$(CONFIG_MFD_MAX597X)	+= max597x.o
 obj-$(CONFIG_MFD_MAX77620)	+= max77620.o
 obj-$(CONFIG_MFD_MAX77650)	+= max77650.o
 obj-$(CONFIG_MFD_MAX77686)	+= max77686.o
diff --git a/drivers/mfd/max597x.c b/drivers/mfd/max597x.c
new file mode 100644
index 000000000000..45838413f24a
--- /dev/null
+++ b/drivers/mfd/max597x.c
@@ -0,0 +1,93 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Maxim MAX5970/MAX5978 Power Switch & Monitor
+ *
+ * Copyright (c) 2022 9elements GmbH
+ *
+ * Author: Patrick Rudolph <patrick.rudolph@9elements.com>
+ */
+
+#include <linux/i2c.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/max597x.h>
+#include <linux/regmap.h>
+
+static const struct regmap_config max597x_regmap_config = {
+	.reg_bits = 8,
+	.val_bits = 8,
+	.max_register = MAX_REGISTERS,
+};
+
+static const struct mfd_cell max597x_cells[] = {
+	{ .name = "max597x-regulator", },
+	{ .name = "max597x-iio", },
+	{ .name = "max597x-led", },
+};
+
+static int max597x_probe(struct i2c_client *i2c, const struct i2c_device_id *id)
+{
+	struct max597x_data *ddata;
+	enum max597x_chip_type chip = id->driver_data;
+
+	ddata = devm_kzalloc(&i2c->dev, sizeof(*ddata),	GFP_KERNEL);
+	if (!ddata)
+		return -ENOMEM;
+
+	/*
+	 * Based on chip type, Initialize the number of switch. This is needed by
+	 * regulator & iio cells.
+	 */
+	switch (chip) {
+	case MAX597x_TYPE_MAX5970:
+		ddata->num_switches = MAX5970_NUM_SWITCHES;
+		break;
+	case MAX597x_TYPE_MAX5978:
+		ddata->num_switches = MAX5978_NUM_SWITCHES;
+		break;
+	}
+
+	ddata->regmap = devm_regmap_init_i2c(i2c, &max597x_regmap_config);
+	if (IS_ERR(ddata->regmap)) {
+		dev_err(&i2c->dev, "Failed to initialize regmap");
+		return PTR_ERR(ddata->regmap);
+	}
+
+	/* IRQ used by regulator cell */
+	ddata->irq = i2c->irq;
+	ddata->dev = &i2c->dev;
+	i2c_set_clientdata(i2c, ddata);
+
+	return devm_mfd_add_devices(ddata->dev, PLATFORM_DEVID_AUTO,
+				    max597x_cells, ARRAY_SIZE(max597x_cells),
+				    NULL, 0, NULL);
+}
+
+static const struct i2c_device_id max597x_table[] = {
+	{ .name = "max5970", MAX597x_TYPE_MAX5970 },
+	{ .name = "max5978", MAX597x_TYPE_MAX5978 },
+	{}
+};
+
+MODULE_DEVICE_TABLE(i2c, max597x_table);
+
+static const struct of_device_id max597x_of_match[] = {
+	{ .compatible = "maxim,max5970" },
+	{ .compatible = "maxim,max5978" },
+	{}
+};
+
+MODULE_DEVICE_TABLE(of, max597x_of_match);
+
+static struct i2c_driver max597x_driver = {
+	.id_table = max597x_table,
+	.driver = {
+		  .name = "max597x",
+		  .of_match_table = of_match_ptr(max597x_of_match),
+		  },
+	.probe = max597x_probe,
+};
+module_i2c_driver(max597x_driver);
+
+MODULE_AUTHOR("Patrick Rudolph <patrick.rudolph@9elements.com>");
+MODULE_DESCRIPTION("MAX597X Power Switch and Monitor");
+MODULE_LICENSE("GPL v2");
diff --git a/include/linux/mfd/max597x.h b/include/linux/mfd/max597x.h
new file mode 100644
index 000000000000..706eff9c50a4
--- /dev/null
+++ b/include/linux/mfd/max597x.h
@@ -0,0 +1,101 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Maxim MAX5970/MAX5978 Power Switch & Monitor
+ *
+ * Copyright (c) 2022 9elements GmbH
+ *
+ * Author: Patrick Rudolph <patrick.rudolph@9elements.com>
+ */
+
+#ifndef MFD_MAX597X_H
+#define MFD_MAX597X_H
+
+#include <linux/device.h>
+#include <linux/regmap.h>
+
+#define MAX5970_NUM_SWITCHES 2
+#define MAX5978_NUM_SWITCHES 1
+#define MAX597X_NUM_LEDS     4
+
+enum max597x_chip_type {
+	MAX597x_TYPE_MAX5978 = 1,
+	MAX597x_TYPE_MAX5970,
+};
+
+#define MAX5970_REG_CURRENT_L(ch)		(0x01 + (ch) * 4)
+#define MAX5970_REG_CURRENT_H(ch)		(0x00 + (ch) * 4)
+#define MAX5970_REG_VOLTAGE_L(ch)		(0x03 + (ch) * 4)
+#define MAX5970_REG_VOLTAGE_H(ch)		(0x02 + (ch) * 4)
+#define MAX5970_REG_MON_RANGE			0x18
+#define  MAX5970_MON_MASK				0x3
+#define  MAX5970_MON(reg, ch)		(((reg) >> ((ch) * 2)) & MAX5970_MON_MASK)
+#define  MAX5970_MON_MAX_RANGE_UV		16000000
+
+#define MAX5970_REG_CH_UV_WARN_H(ch)	(0x1A + (ch) * 10)
+#define MAX5970_REG_CH_UV_WARN_L(ch)	(0x1B + (ch) * 10)
+#define MAX5970_REG_CH_UV_CRIT_H(ch)	(0x1C + (ch) * 10)
+#define MAX5970_REG_CH_UV_CRIT_L(ch)	(0x1D + (ch) * 10)
+#define MAX5970_REG_CH_OV_WARN_H(ch)	(0x1E + (ch) * 10)
+#define MAX5970_REG_CH_OV_WARN_L(ch)	(0x1F + (ch) * 10)
+#define MAX5970_REG_CH_OV_CRIT_H(ch)	(0x20 + (ch) * 10)
+#define MAX5970_REG_CH_OV_CRIT_L(ch)	(0x21 + (ch) * 10)
+
+#define  MAX5970_VAL2REG_H(x)			(((x) >> 2) & 0xFF)
+#define  MAX5970_VAL2REG_L(x)			((x) & 0x3)
+
+#define MAX5970_REG_DAC_FAST(ch)		(0x2E + (ch))
+
+#define MAX5970_FAST2SLOW_RATIO			200
+
+#define MAX5970_REG_STATUS0				0x31
+#define  MAX5970_CB_IFAULTF(ch)			(1 << (ch))
+#define  MAX5970_CB_IFAULTS(ch)			(1 << ((ch) + 4))
+
+#define MAX5970_REG_STATUS1				0x32
+#define  STATUS1_PROT_MASK				0x3
+#define  STATUS1_PROT(reg) \
+	(((reg) >> 6) & STATUS1_PROT_MASK)
+#define  STATUS1_PROT_SHUTDOWN			0
+#define  STATUS1_PROT_CLEAR_PG			1
+#define  STATUS1_PROT_ALERT_ONLY		2
+
+#define MAX5970_REG_STATUS2				0x33
+#define  MAX5970_IRNG_MASK				0x3
+#define  MAX5970_IRNG(reg, ch)	\
+						(((reg) >> ((ch) * 2)) & MAX5970_IRNG_MASK)
+
+#define MAX5970_REG_STATUS3				0x34
+#define  MAX5970_STATUS3_ALERT			BIT(4)
+#define  MAX5970_STATUS3_PG(ch)			BIT(ch)
+
+#define MAX5970_REG_FAULT0				0x35
+#define  UV_STATUS_WARN(ch)				BIT(ch)
+#define  UV_STATUS_CRIT(ch)				BIT(ch + 4)
+
+#define MAX5970_REG_FAULT1				0x36
+#define  OV_STATUS_WARN(ch)				BIT(ch)
+#define  OV_STATUS_CRIT(ch)				BIT(ch + 4)
+
+#define MAX5970_REG_FAULT2				0x37
+#define  OC_STATUS_WARN(ch)				BIT(ch)
+
+#define MAX5970_REG_CHXEN				0x3b
+#define  CHXEN(ch)						(3 << (ch * 2))
+
+#define MAX5970_REG_LED_FLASH			0x43
+
+#define MAX_REGISTERS					0x49
+#define ADC_MASK						0x3FF
+
+struct max597x_data {
+	struct device *dev;
+	int irq;
+	int num_switches;
+	struct regmap *regmap;
+	/* Chip specific parameters needed by regulator & iio cells */
+	u32 irng[MAX5970_NUM_SWITCHES];
+	u32 mon_rng[MAX5970_NUM_SWITCHES];
+	u32 shunt_micro_ohms[MAX5970_NUM_SWITCHES];
+};
+
+#endif
