diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 8ef2179fb999..ae3a49a2e970 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -73,6 +73,10 @@ config GPIO_GENERIC
 	depends on HAS_IOMEM # Only for IOMEM drivers
 	tristate
 
+config GPIO_REGMAP
+	depends on REGMAP
+	tristate
+
 # put drivers in the right section, in alphabetical order
 
 # This symbol is selected by both I2C and SPI expanders
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index b2cfc21a97f3..93e139fdfa57 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -12,6 +12,7 @@ obj-$(CONFIG_GPIO_SYSFS)	+= gpiolib-sysfs.o
 obj-$(CONFIG_GPIO_ACPI)		+= gpiolib-acpi.o
 
 # Device drivers. Generally keep list sorted alphabetically
+obj-$(CONFIG_GPIO_REGMAP)	+= gpio-regmap.o
 obj-$(CONFIG_GPIO_GENERIC)	+= gpio-generic.o
 
 # directly supported by gpio-generic
diff --git a/drivers/gpio/gpio-regmap.c b/drivers/gpio/gpio-regmap.c
new file mode 100644
index 000000000000..04939c0a22f9
--- /dev/null
+++ b/drivers/gpio/gpio-regmap.c
@@ -0,0 +1,343 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * regmap based generic GPIO driver
+ *
+ * Copyright 2019 Michael Walle <michael@walle.cc>
+ */
+
+#include <linux/gpio/driver.h>
+#include <linux/gpio-regmap.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
+
+struct gpio_regmap {
+	struct device *parent;
+	struct regmap *regmap;
+	struct gpio_chip gpio_chip;
+
+	int reg_stride;
+	int ngpio_per_reg;
+	unsigned int reg_dat_base;
+	unsigned int reg_set_base;
+	unsigned int reg_clr_base;
+	unsigned int reg_dir_in_base;
+	unsigned int reg_dir_out_base;
+
+	int (*reg_mask_xlate)(struct gpio_regmap *gpio, unsigned int base,
+			      unsigned int offset, unsigned int *reg,
+			      unsigned int *mask);
+
+	void *driver_data;
+};
+
+static unsigned int gpio_regmap_addr(unsigned int addr)
+{
+	return (addr == GPIO_REGMAP_ADDR_ZERO) ? 0 : addr;
+}
+
+/**
+ * gpio_regmap_simple_xlate() - translate base/offset to reg/mask
+ *
+ * Use a simple linear mapping to translate the offset to the bitmask.
+ */
+static int gpio_regmap_simple_xlate(struct gpio_regmap *gpio,
+				    unsigned int base, unsigned int offset,
+				    unsigned int *reg, unsigned int *mask)
+{
+	unsigned int line = offset % gpio->ngpio_per_reg;
+	unsigned int stride = offset / gpio->ngpio_per_reg;
+
+	*reg = base + stride * gpio->reg_stride;
+	*mask = BIT(line);
+
+	return 0;
+}
+
+static int gpio_regmap_get(struct gpio_chip *chip, unsigned int offset)
+{
+	struct gpio_regmap *gpio = gpiochip_get_data(chip);
+	unsigned int base, val, reg, mask;
+	int ret;
+
+	/* we might not have an output register if we are input only */
+	if (gpio->reg_dat_base)
+		base = gpio_regmap_addr(gpio->reg_dat_base);
+	else
+		base = gpio_regmap_addr(gpio->reg_set_base);
+
+	ret = gpio->reg_mask_xlate(gpio, base, offset, &reg, &mask);
+	if (ret)
+		return ret;
+
+	ret = regmap_read(gpio->regmap, reg, &val);
+	if (ret)
+		return ret;
+
+	return (val & mask) ? 1 : 0;
+}
+
+static void gpio_regmap_set(struct gpio_chip *chip, unsigned int offset,
+			    int val)
+{
+	struct gpio_regmap *gpio = gpiochip_get_data(chip);
+	unsigned int base = gpio_regmap_addr(gpio->reg_set_base);
+	unsigned int reg, mask;
+
+	gpio->reg_mask_xlate(gpio, base, offset, &reg, &mask);
+	if (val)
+		regmap_update_bits(gpio->regmap, reg, mask, mask);
+	else
+		regmap_update_bits(gpio->regmap, reg, mask, 0);
+}
+
+static void gpio_regmap_set_with_clear(struct gpio_chip *chip,
+				       unsigned int offset, int val)
+{
+	struct gpio_regmap *gpio = gpiochip_get_data(chip);
+	unsigned int base, reg, mask;
+
+	if (val)
+		base = gpio_regmap_addr(gpio->reg_set_base);
+	else
+		base = gpio_regmap_addr(gpio->reg_clr_base);
+
+	gpio->reg_mask_xlate(gpio, base, offset, &reg, &mask);
+	regmap_write(gpio->regmap, reg, mask);
+}
+
+static int gpio_regmap_get_direction(struct gpio_chip *chip,
+				     unsigned int offset)
+{
+	struct gpio_regmap *gpio = gpiochip_get_data(chip);
+	unsigned int base, val, reg, mask;
+	int invert, ret;
+
+	if (gpio->reg_dir_out_base) {
+		base = gpio_regmap_addr(gpio->reg_dir_out_base);
+		invert = 0;
+	} else if (gpio->reg_dir_in_base) {
+		base = gpio_regmap_addr(gpio->reg_dir_in_base);
+		invert = 1;
+	} else {
+		return GPIO_LINE_DIRECTION_IN;
+	}
+
+	ret = gpio->reg_mask_xlate(gpio, base, offset, &reg, &mask);
+	if (ret)
+		return ret;
+
+	ret = regmap_read(gpio->regmap, reg, &val);
+	if (ret)
+		return ret;
+
+	if (!!(val & mask) ^ invert)
+		return GPIO_LINE_DIRECTION_OUT;
+	else
+		return GPIO_LINE_DIRECTION_IN;
+}
+
+static int gpio_regmap_set_direction(struct gpio_chip *chip,
+				     unsigned int offset, bool output)
+{
+	struct gpio_regmap *gpio = gpiochip_get_data(chip);
+	unsigned int base, val, reg, mask;
+	int invert, ret;
+
+	if (gpio->reg_dir_out_base) {
+		base = gpio_regmap_addr(gpio->reg_dir_out_base);
+		invert = 0;
+	} else if (gpio->reg_dir_in_base) {
+		base = gpio_regmap_addr(gpio->reg_dir_in_base);
+		invert = 1;
+	} else {
+		return 0;
+	}
+
+	ret = gpio->reg_mask_xlate(gpio, base, offset, &reg, &mask);
+	if (ret)
+		return ret;
+
+	if (!invert)
+		val = (output) ? mask : 0;
+	else
+		val = (output) ? 0 : mask;
+
+	return regmap_update_bits(gpio->regmap, reg, mask, val);
+}
+
+static int gpio_regmap_direction_input(struct gpio_chip *chip,
+				       unsigned int offset)
+{
+	return gpio_regmap_set_direction(chip, offset, false);
+}
+
+static int gpio_regmap_direction_output(struct gpio_chip *chip,
+					unsigned int offset, int value)
+{
+	gpio_regmap_set(chip, offset, value);
+
+	return gpio_regmap_set_direction(chip, offset, true);
+}
+
+void gpio_regmap_set_drvdata(struct gpio_regmap *gpio, void *data)
+{
+	gpio->driver_data = data;
+}
+EXPORT_SYMBOL_GPL(gpio_regmap_set_drvdata);
+
+void *gpio_regmap_get_drvdata(struct gpio_regmap *gpio)
+{
+	return gpio->driver_data;
+}
+EXPORT_SYMBOL_GPL(gpio_regmap_get_drvdata);
+
+/**
+ * gpio_regmap_register() - Register a generic regmap GPIO controller
+ *
+ * @gpio: gpio_regmap device to register
+ *
+ * Returns 0 on success or an errno on failure.
+ */
+struct gpio_regmap *gpio_regmap_register(const struct gpio_regmap_config *config)
+{
+	struct gpio_regmap *gpio;
+	struct gpio_chip *chip;
+	int ret;
+
+	if (!config->parent)
+		return ERR_PTR(-EINVAL);
+
+	if (!config->ngpio)
+		return ERR_PTR(-EINVAL);
+
+	/* we need at least one */
+	if (!config->reg_dat_base && !config->reg_set_base)
+		return ERR_PTR(-EINVAL);
+
+	/* we don't support having both registers simulaniously for now */
+	if (config->reg_dir_out_base && config->reg_dir_in_base)
+		return ERR_PTR(-EINVAL);
+
+	gpio = kzalloc(sizeof(*gpio), GFP_KERNEL);
+	if (!gpio)
+		return ERR_PTR(-ENOMEM);
+
+	gpio->parent = config->parent;
+	gpio->regmap = config->regmap;
+	gpio->ngpio_per_reg = config->ngpio_per_reg;
+	gpio->reg_stride = config->reg_stride;
+	gpio->reg_mask_xlate = config->reg_mask_xlate;
+	gpio->reg_set_base = config->reg_set_base;
+	gpio->reg_clr_base = config->reg_clr_base;
+	gpio->reg_dir_in_base = config->reg_dir_in_base;
+	gpio->reg_dir_out_base = config->reg_dir_out_base;
+
+	/* if not set, assume there is only one register */
+	if (!gpio->ngpio_per_reg)
+		gpio->ngpio_per_reg = config->ngpio;
+
+	/* if not set, assume they are consecutive */
+	if (!gpio->reg_stride)
+		gpio->reg_stride = 1;
+
+	if (!gpio->reg_mask_xlate)
+		gpio->reg_mask_xlate = gpio_regmap_simple_xlate;
+
+	chip = &gpio->gpio_chip;
+	chip->parent = config->parent;
+	chip->base = -1;
+	chip->ngpio = config->ngpio;
+	chip->can_sleep = true;
+
+	if (!chip->label)
+		chip->label = dev_name(config->parent);
+	else
+		chip->label = config->label;
+
+	chip->get = gpio_regmap_get;
+	if (gpio->reg_set_base && gpio->reg_clr_base)
+		chip->set = gpio_regmap_set_with_clear;
+	else if (gpio->reg_set_base)
+		chip->set = gpio_regmap_set;
+
+	if (gpio->reg_dir_in_base || gpio->reg_dir_out_base) {
+		chip->get_direction = gpio_regmap_get_direction;
+		chip->direction_input = gpio_regmap_direction_input;
+		chip->direction_output = gpio_regmap_direction_output;
+	}
+
+	ret = gpiochip_add_data(chip, gpio);
+	if (ret < 0) {
+		kfree(gpio);
+		return ERR_PTR(ret);
+	}
+
+	if (config->irq_domain) {
+		ret = gpiochip_irqchip_add_domain(chip, config->irq_domain);
+		if (ret < 0)
+			goto err;
+	}
+
+	return gpio;
+
+err:
+	gpiochip_remove(chip);
+	kfree(gpio);
+	return ERR_PTR(ret);
+}
+EXPORT_SYMBOL_GPL(gpio_regmap_register);
+
+/**
+ * gpio_regmap_unregister() - Unregister a generic regmap GPIO controller
+ *
+ * @gpio: gpio_regmap device to unregister
+ */
+void gpio_regmap_unregister(struct gpio_regmap *gpio)
+{
+	gpiochip_remove(&gpio->gpio_chip);
+	kfree(gpio);
+}
+EXPORT_SYMBOL_GPL(gpio_regmap_unregister);
+
+static void devm_gpio_regmap_unregister(struct device *dev, void *res)
+{
+	gpio_regmap_unregister(*(struct gpio_regmap **)res);
+}
+
+/**
+ * devm_gpio_regmap_register() - resource managed gpio_regmap_register()
+ *
+ * @dev: device that is registering this GPIO device
+ * @gpio: gpio_regmap device to register
+ *
+ * Managed gpio_regmap_register(). For generic regmap GPIO device registered by
+ * this function, gpio_regmap_unregister() is automatically called on driver
+ * detach. See gpio_regmap_register() for more information.
+ */
+struct gpio_regmap *devm_gpio_regmap_register(struct device *dev,
+					      const struct gpio_regmap_config *config)
+{
+	struct gpio_regmap **ptr, *gpio;
+
+	ptr = devres_alloc(devm_gpio_regmap_unregister, sizeof(*ptr),
+			   GFP_KERNEL);
+	if (!ptr)
+		return ERR_PTR(-ENOMEM);
+
+	gpio = gpio_regmap_register(config);
+
+	if (!IS_ERR(gpio)) {
+		*ptr = gpio;
+		devres_add(dev, ptr);
+	} else {
+		devres_free(ptr);
+	}
+
+	return gpio;
+}
+EXPORT_SYMBOL_GPL(devm_gpio_regmap_register);
+
+MODULE_AUTHOR("Michael Walle <michael@walle.cc>");
+MODULE_DESCRIPTION("GPIO generic regmap driver core");
+MODULE_LICENSE("GPL");
diff --git a/include/linux/gpio-regmap.h b/include/linux/gpio-regmap.h
new file mode 100644
index 000000000000..a868cbcde6e9
--- /dev/null
+++ b/include/linux/gpio-regmap.h
@@ -0,0 +1,69 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef _LINUX_GPIO_REGMAP_H
+#define _LINUX_GPIO_REGMAP_H
+
+struct gpio_regmap;
+
+#define GPIO_REGMAP_ADDR_ZERO ((unsigned long)(-1))
+#define GPIO_REGMAP_ADDR(addr) ((addr) ? : GPIO_REGMAP_ADDR_ZERO)
+
+/**
+ * struct gpio_regmap_config - Description of a generic regmap gpio_chip.
+ *
+ * @parent:		The parent device
+ * @regmap:		The regmap used to access the registers
+ *			given, the name of the device is used
+ * @label:		(Optional) Descriptive name for GPIO controller.
+ *			If not given, the name of the device is used.
+ * @ngpio:		Number of GPIOs
+ * @reg_dat_base:	(Optional) (in) register base address
+ * @reg_set_base:	(Optional) set register base address
+ * @reg_clr_base:	(Optional) clear register base address
+ * @reg_dir_in_base:	(Optional) out setting register base address
+ * @reg_dir_out_base:	(Optional) in setting register base address
+ * @reg_stride:		(Optional) May be set if the registers (of the
+ *			same type, dat, set, etc) are not consecutive.
+ * @ngpio_per_reg:	Number of GPIOs per register
+ * @irq_domain:		(Optional) IRQ domain if the controller is
+ *			interrupt-capable
+ * @reg_mask_xlate:     (Optional) Translates base address and GPIO
+ *			offset to a register/bitmask pair. If not
+ *			given the default gpio_regmap_simple_xlate()
+ *			is used.
+ *
+ * The reg_mask_xlate translates a given base address and GPIO offset to
+ * register and mask pair. The base address is one of the given reg_*_base.
+ *
+ * All base addresses may have the special value GPIO_REGMAP_ADDR_ZERO
+ * which forces the address to the value 0.
+ */
+struct gpio_regmap_config {
+	struct device *parent;
+	struct regmap *regmap;
+
+	const char *label;
+	int ngpio;
+
+	unsigned int reg_dat_base;
+	unsigned int reg_set_base;
+	unsigned int reg_clr_base;
+	unsigned int reg_dir_in_base;
+	unsigned int reg_dir_out_base;
+	int reg_stride;
+	int ngpio_per_reg;
+	struct irq_domain *irq_domain;
+
+	int (*reg_mask_xlate)(struct gpio_regmap *gpio, unsigned int base,
+			      unsigned int offset, unsigned int *reg,
+			      unsigned int *mask);
+};
+
+struct gpio_regmap *gpio_regmap_register(const struct gpio_regmap_config *config);
+void gpio_regmap_unregister(struct gpio_regmap *gpio);
+struct gpio_regmap *devm_gpio_regmap_register(struct device *dev,
+					      const struct gpio_regmap_config *config);
+void gpio_regmap_set_drvdata(struct gpio_regmap *gpio, void *data);
+void *gpio_regmap_get_drvdata(struct gpio_regmap *gpio);
+
+#endif /* _LINUX_GPIO_REGMAP_H */
