diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index cc3048442f..b2df448ef7 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -65,4 +65,6 @@ source "drivers/gpio/Kconfig.cc2650"
 
 source "drivers/gpio/Kconfig.esp32"
 
+source "drivers/gpio/Kconfig.gecko"
+
 endif # GPIO
diff --git a/drivers/gpio/Kconfig.gecko b/drivers/gpio/Kconfig.gecko
new file mode 100644
index 0000000000..88367a49ed
--- /dev/null
+++ b/drivers/gpio/Kconfig.gecko
@@ -0,0 +1,95 @@
+# Kconfig.gecko - Gecko GPIO configuration options
+#
+# Copyright (c) 2017 Christian Taedcke
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+menuconfig GPIO_GECKO
+	bool "Gecko GPIO driver"
+	depends on GPIO && HAS_SILABS_GECKO
+	default n
+	help
+	  Enable the Gecko gpio driver.
+
+if GPIO_GECKO
+
+config GPIO_GECKO_COMMON_NAME
+	string "Common driver name"
+	default "GPIO_COMMON"
+
+config GPIO_GECKO_COMMON_INIT_PRIORITY
+	int "Common initialization priority"
+	default 39
+
+config GPIO_GECKO_COMMON_PRI
+	int "Interrupt priority"
+	default 2
+
+config GPIO_GECKO_PORTA
+	bool "Port A"
+	default n
+	help
+	  Enable Port A.
+
+config GPIO_GECKO_PORTA_NAME
+	string "Port A driver name"
+	depends on GPIO_GECKO_PORTA
+	default "GPIO_0"
+
+config GPIO_GECKO_PORTB
+	bool "Port B"
+	default n
+	help
+	  Enable Port B.
+
+config GPIO_GECKO_PORTB_NAME
+	string "Port B driver name"
+	depends on GPIO_GECKO_PORTB
+	default "GPIO_1"
+
+config GPIO_GECKO_PORTC
+	bool "Port C"
+	default n
+	help
+	  Enable Port C.
+
+config GPIO_GECKO_PORTC_NAME
+	string "Port C driver name"
+	depends on GPIO_GECKO_PORTC
+	default "GPIO_2"
+
+config GPIO_GECKO_PORTD
+	bool "Port D"
+	default n
+	help
+	  Enable Port D.
+
+config GPIO_GECKO_PORTD_NAME
+	string "Port D driver name"
+	depends on GPIO_GECKO_PORTD
+	default "GPIO_3"
+
+config GPIO_GECKO_PORTE
+	bool "Port E"
+	default n
+	help
+	  Enable Port E.
+
+config GPIO_GECKO_PORTE_NAME
+	string "Port E driver name"
+	depends on GPIO_GECKO_PORTE
+	default "GPIO_4"
+
+config GPIO_GECKO_PORTF
+	bool "Port F"
+	default n
+	help
+	  Enable Port F.
+
+config GPIO_GECKO_PORTF_NAME
+	string "Port F driver name"
+	depends on GPIO_GECKO_PORTF
+	default "GPIO_5"
+
+endif # GPIO_GECKO
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index 3ebcf313b5..e259c90fc2 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -16,3 +16,4 @@ obj-$(CONFIG_GPIO_PULPINO) += gpio_pulpino.o
 obj-$(CONFIG_GPIO_FE310) += gpio_fe310.o
 obj-$(CONFIG_GPIO_CC2650) += gpio_cc2650.o
 obj-$(CONFIG_GPIO_ESP32) += gpio_esp32.o
+obj-$(CONFIG_GPIO_GECKO) += gpio_gecko.o
diff --git a/drivers/gpio/gpio_gecko.c b/drivers/gpio/gpio_gecko.c
new file mode 100644
index 0000000000..0574c4dcc6
--- /dev/null
+++ b/drivers/gpio/gpio_gecko.c
@@ -0,0 +1,440 @@
+/*
+ * Copyright (c) 2017, Christian Taedcke
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <errno.h>
+#include <gpio.h>
+#include <soc.h>
+#include <em_gpio.h>
+
+#include "gpio_utils.h"
+
+/*
+ * Macros to set the GPIO MODE registers
+ *
+ * See https://www.silabs.com/documents/public/reference-manuals/EFM32WG-RM.pdf
+ * pages 972 and 982.
+ */
+/**
+ * @brief Create the value to set the GPIO MODEL register
+ * @param[in] pin The index of the pin. Valid values are 0..7.
+ * @param[in] mode The mode that should be set.
+ * @return The value that can be set into the GPIO MODEL register.
+ */
+#define GECKO_GPIO_MODEL(pin, mode) (mode << (pin * 4))
+
+/**
+ * @brief Create the value to set the GPIO MODEH register
+ * @param[in] pin The index of the pin. Valid values are 8..15.
+ * @param[in] mode The mode that should be set.
+ * @return The value that can be set into the GPIO MODEH register.
+ */
+#define GECKO_GPIO_MODEH(pin, mode) (mode << ((pin - 8) * 4))
+
+
+#define member_size(type, member) sizeof(((type *)0)->member)
+#define NUMBER_OF_PORTS (member_size(GPIO_TypeDef, P) / \
+			 member_size(GPIO_TypeDef, P[0]))
+
+struct gpio_gecko_common_config {
+};
+
+struct gpio_gecko_common_data {
+	/* a list of all ports */
+	struct device *ports[NUMBER_OF_PORTS];
+	size_t count;
+};
+
+struct gpio_gecko_config {
+	GPIO_P_TypeDef *gpio_base;
+	GPIO_Port_TypeDef gpio_index;
+};
+
+struct gpio_gecko_data {
+	/* port ISR callback routine address */
+	sys_slist_t callbacks;
+	/* pin callback routine enable flags, by pin number */
+	u32_t pin_callback_enables;
+};
+
+static inline void gpio_gecko_add_port(struct gpio_gecko_common_data *data,
+				       struct device *dev)
+{
+	__ASSERT(dev, "No port device!");
+	data->ports[data->count++] = dev;
+}
+
+
+static int gpio_gecko_configure(struct device *dev,
+				int access_op, u32_t pin, int flags)
+{
+	const struct gpio_gecko_config *config = dev->config->config_info;
+	GPIO_P_TypeDef *gpio_base = config->gpio_base;
+	GPIO_Port_TypeDef gpio_index = config->gpio_index;
+	GPIO_Mode_TypeDef mode;
+	unsigned int out = 0;
+
+	/* Check for an invalid pin configuration */
+	if ((flags & GPIO_INT) && (flags & GPIO_DIR_OUT)) {
+		return -EINVAL;
+	}
+
+	/* Interrupt on static level is not supported by the hardware */
+	if ((flags & GPIO_INT) && !(flags & GPIO_INT_EDGE)) {
+		return -ENOTSUP;
+	}
+
+	/* Setting interrupt flags for a complete port is not implemented */
+	if ((flags & GPIO_INT) && (access_op == GPIO_ACCESS_BY_PORT)) {
+		return -ENOTSUP;
+	}
+
+	if ((flags & GPIO_DIR_MASK) == GPIO_DIR_IN) {
+
+		if ((flags & GPIO_PUD_MASK) == GPIO_PUD_PULL_UP) {
+			mode = gpioModeInputPull;
+			out = 1; /* pull-up*/
+		} else if ((flags & GPIO_PUD_MASK) == GPIO_PUD_PULL_DOWN) {
+			mode = gpioModeInputPull;
+			/* out = 0 means pull-down*/
+		}
+
+		mode = gpioModeInput;
+	} else { /* GPIO_DIR_OUT */
+		mode = gpioModePushPull;
+	}
+	/* The flags contain options that require touching registers in the
+	 * GPIO module and the corresponding PORT module.
+	 *
+	 * Start with the GPIO module and set up the pin direction register.
+	 * 0 - pin is input, 1 - pin is output
+	 */
+
+	if (access_op == GPIO_ACCESS_BY_PIN) {
+		GPIO_PinModeSet(gpio_index, pin, mode, out);
+	} else {	/* GPIO_ACCESS_BY_PORT */
+		gpio_base->MODEL = GECKO_GPIO_MODEL(7, mode)
+			| GECKO_GPIO_MODEL(6, mode) | GECKO_GPIO_MODEL(5, mode)
+			| GECKO_GPIO_MODEL(4, mode) | GECKO_GPIO_MODEL(3, mode)
+			| GECKO_GPIO_MODEL(2, mode) | GECKO_GPIO_MODEL(1, mode)
+			| GECKO_GPIO_MODEL(0, mode);
+		gpio_base->MODEH = GECKO_GPIO_MODEH(15, mode)
+			| GECKO_GPIO_MODEH(14, mode)
+			| GECKO_GPIO_MODEH(13, mode)
+			| GECKO_GPIO_MODEH(12, mode)
+			| GECKO_GPIO_MODEH(11, mode)
+			| GECKO_GPIO_MODEH(10, mode)
+			| GECKO_GPIO_MODEH(9, mode)
+			| GECKO_GPIO_MODEH(8, mode);
+		gpio_base->DOUT = (out ? 0xFFFF : 0x0000);
+	}
+
+	if (access_op == GPIO_ACCESS_BY_PIN) {
+		GPIO_IntConfig(gpio_index, pin,
+			       (flags & GPIO_INT_ACTIVE_HIGH)
+			       || (flags & GPIO_INT_DOUBLE_EDGE),
+			       !(flags & GPIO_INT_ACTIVE_HIGH)
+			       || (flags & GPIO_INT_DOUBLE_EDGE),
+			       !!(flags & GPIO_INT));
+	}
+
+	return 0;
+}
+
+static int gpio_gecko_write(struct device *dev,
+			    int access_op, u32_t pin, u32_t value)
+{
+	const struct gpio_gecko_config *config = dev->config->config_info;
+	GPIO_P_TypeDef *gpio_base = config->gpio_base;
+
+	if (access_op == GPIO_ACCESS_BY_PIN) {
+		if (value) {
+			/* Set the data output for the corresponding pin.
+			 * Writing zeros to the other bits leaves the data
+			 * output unchanged for the other pins.
+			 */
+			gpio_base->DOUTSET = BIT(pin);
+		} else {
+			/* Clear the data output for the corresponding pin.
+			 * Writing zeros to the other bits leaves the data
+			 * output unchanged for the other pins.
+			 */
+			gpio_base->DOUTCLR = BIT(pin);
+		}
+	} else { /* GPIO_ACCESS_BY_PORT */
+		/* Write the data output for all the pins */
+		gpio_base->DOUT = value;
+	}
+
+	return 0;
+}
+
+static int gpio_gecko_read(struct device *dev,
+			   int access_op, u32_t pin, u32_t *value)
+{
+	const struct gpio_gecko_config *config = dev->config->config_info;
+	GPIO_P_TypeDef *gpio_base = config->gpio_base;
+
+	*value = gpio_base->DIN;
+
+	if (access_op == GPIO_ACCESS_BY_PIN) {
+		*value = (*value & BIT(pin)) >> pin;
+	}
+
+	/* nothing more to do for GPIO_ACCESS_BY_PORT */
+
+	return 0;
+}
+
+static int gpio_gecko_manage_callback(struct device *dev,
+				      struct gpio_callback *callback, bool set)
+{
+	struct gpio_gecko_data *data = dev->driver_data;
+
+	_gpio_manage_callback(&data->callbacks, callback, set);
+
+	return 0;
+}
+
+static int gpio_gecko_enable_callback(struct device *dev,
+				      int access_op, u32_t pin)
+{
+	struct gpio_gecko_data *data = dev->driver_data;
+
+	if (access_op == GPIO_ACCESS_BY_PORT) {
+		return -ENOTSUP;
+	}
+
+	data->pin_callback_enables |= BIT(pin);
+	GPIO->IEN |= BIT(pin);
+
+	return 0;
+}
+
+static int gpio_gecko_disable_callback(struct device *dev,
+				       int access_op, u32_t pin)
+{
+	struct gpio_gecko_data *data = dev->driver_data;
+
+	if (access_op == GPIO_ACCESS_BY_PORT) {
+		return -ENOTSUP;
+	}
+
+	data->pin_callback_enables &= ~BIT(pin);
+	GPIO->IEN &= ~BIT(pin);
+
+	return 0;
+}
+
+/**
+ * Handler for both odd and even pin interrupts
+ */
+static void gpio_gecko_common_isr(void *arg)
+{
+	struct device *dev = (struct device *)arg;
+	struct gpio_gecko_common_data *data = dev->driver_data;
+	u32_t enabled_int, int_status;
+	struct device *port_dev;
+	struct gpio_gecko_data *port_data;
+
+	int_status = GPIO->IF;
+
+	for (unsigned int i = 0; int_status && (i < data->count); i++) {
+		port_dev = data->ports[i];
+		port_data = port_dev->driver_data;
+		enabled_int = int_status & port_data->pin_callback_enables;
+		int_status &= ~enabled_int;
+
+		_gpio_fire_callbacks(&port_data->callbacks, port_dev,
+				     enabled_int);
+	}
+	/* Clear the pending interrupts */
+	GPIO->IFC = 0xFFFF;
+}
+
+
+static const struct gpio_driver_api gpio_gecko_driver_api = {
+	.config = gpio_gecko_configure,
+	.write = gpio_gecko_write,
+	.read = gpio_gecko_read,
+	.manage_callback = gpio_gecko_manage_callback,
+	.enable_callback = gpio_gecko_enable_callback,
+	.disable_callback = gpio_gecko_disable_callback,
+};
+
+static const struct gpio_driver_api gpio_gecko_common_driver_api = {
+	.manage_callback = gpio_gecko_manage_callback,
+	.enable_callback = gpio_gecko_enable_callback,
+	.disable_callback = gpio_gecko_disable_callback,
+};
+
+#ifdef CONFIG_GPIO_GECKO
+static int gpio_gecko_common_init(struct device *dev);
+
+static const struct gpio_gecko_common_config gpio_gecko_common_config = {
+};
+
+static struct gpio_gecko_common_data gpio_gecko_common_data;
+
+DEVICE_AND_API_INIT(gpio_gecko_common, CONFIG_GPIO_GECKO_COMMON_NAME,
+		    gpio_gecko_common_init,
+		    &gpio_gecko_common_data, &gpio_gecko_common_config,
+		    POST_KERNEL, CONFIG_GPIO_GECKO_COMMON_INIT_PRIORITY,
+		    &gpio_gecko_common_driver_api);
+
+static int gpio_gecko_common_init(struct device *dev)
+{
+	gpio_gecko_common_data.count = 0;
+	IRQ_CONNECT(GPIO_EVEN_IRQn, CONFIG_GPIO_GECKO_COMMON_PRI,
+		    gpio_gecko_common_isr, DEVICE_GET(gpio_gecko_common), 0);
+
+	IRQ_CONNECT(GPIO_ODD_IRQn, CONFIG_GPIO_GECKO_COMMON_PRI,
+		    gpio_gecko_common_isr, DEVICE_GET(gpio_gecko_common), 0);
+
+	irq_enable(GPIO_EVEN_IRQn);
+	irq_enable(GPIO_ODD_IRQn);
+
+	return 0;
+}
+#endif /* CONFIG_GPIO_GECKO */
+
+
+#ifdef CONFIG_GPIO_GECKO_PORTA
+static int gpio_gecko_porta_init(struct device *dev);
+
+static const struct gpio_gecko_config gpio_gecko_porta_config = {
+	.gpio_base = &GPIO->P[gpioPortA],
+	.gpio_index = gpioPortA,
+};
+
+static struct gpio_gecko_data gpio_gecko_porta_data;
+
+DEVICE_AND_API_INIT(gpio_gecko_porta, CONFIG_GPIO_GECKO_PORTA_NAME,
+		    gpio_gecko_porta_init,
+		    &gpio_gecko_porta_data, &gpio_gecko_porta_config,
+		    POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT,
+		    &gpio_gecko_driver_api);
+
+static int gpio_gecko_porta_init(struct device *dev)
+{
+	gpio_gecko_add_port(&gpio_gecko_common_data, dev);
+	return 0;
+}
+#endif /* CONFIG_GPIO_GECKO_PORTA */
+
+#ifdef CONFIG_GPIO_GECKO_PORTB
+static int gpio_gecko_portb_init(struct device *dev);
+
+static const struct gpio_gecko_config gpio_gecko_portb_config = {
+	.gpio_base = &GPIO->P[gpioPortB],
+	.gpio_index = gpioPortB,
+};
+
+static struct gpio_gecko_data gpio_gecko_portb_data;
+
+DEVICE_AND_API_INIT(gpio_gecko_portb, CONFIG_GPIO_GECKO_PORTB_NAME,
+		    gpio_gecko_portb_init,
+		    &gpio_gecko_portb_data, &gpio_gecko_portb_config,
+		    POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT,
+		    &gpio_gecko_driver_api);
+
+static int gpio_gecko_portb_init(struct device *dev)
+{
+	gpio_gecko_add_port(&gpio_gecko_common_data, dev);
+	return 0;
+}
+#endif /* CONFIG_GPIO_GECKO_PORTB */
+
+#ifdef CONFIG_GPIO_GECKO_PORTC
+static int gpio_gecko_portc_init(struct device *dev);
+
+static const struct gpio_gecko_config gpio_gecko_portc_config = {
+	.gpio_base = &GPIO->P[gpioPortC],
+	.gpio_index = gpioPortC,
+};
+
+static struct gpio_gecko_data gpio_gecko_portc_data;
+
+DEVICE_AND_API_INIT(gpio_gecko_portc, CONFIG_GPIO_GECKO_PORTC_NAME,
+		    gpio_gecko_portc_init,
+		    &gpio_gecko_portc_data, &gpio_gecko_portc_config,
+		    POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT,
+		    &gpio_gecko_driver_api);
+
+static int gpio_gecko_portc_init(struct device *dev)
+{
+	gpio_gecko_add_port(&gpio_gecko_common_data, dev);
+	return 0;
+}
+#endif /* CONFIG_GPIO_GECKO_PORTC */
+
+#ifdef CONFIG_GPIO_GECKO_PORTD
+static int gpio_gecko_portd_init(struct device *dev);
+
+static const struct gpio_gecko_config gpio_gecko_portd_config = {
+	.gpio_base = &GPIO->P[gpioPortD],
+	.gpio_index = gpioPortD,
+};
+
+static struct gpio_gecko_data gpio_gecko_portd_data;
+
+DEVICE_AND_API_INIT(gpio_gecko_portd, CONFIG_GPIO_GECKO_PORTD_NAME,
+		    gpio_gecko_portd_init,
+		    &gpio_gecko_portd_data, &gpio_gecko_portd_config,
+		    POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT,
+		    &gpio_gecko_driver_api);
+
+static int gpio_gecko_portd_init(struct device *dev)
+{
+	gpio_gecko_add_port(&gpio_gecko_common_data, dev);
+	return 0;
+}
+#endif /* CONFIG_GPIO_GECKO_PORTD */
+
+#ifdef CONFIG_GPIO_GECKO_PORTE
+static int gpio_gecko_porte_init(struct device *dev);
+
+static const struct gpio_gecko_config gpio_gecko_porte_config = {
+	.gpio_base = &GPIO->P[gpioPortE],
+	.gpio_index = gpioPortE,
+};
+
+static struct gpio_gecko_data gpio_gecko_porte_data;
+
+DEVICE_AND_API_INIT(gpio_gecko_porte, CONFIG_GPIO_GECKO_PORTE_NAME,
+		    gpio_gecko_porte_init,
+		    &gpio_gecko_porte_data, &gpio_gecko_porte_config,
+		    POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT,
+		    &gpio_gecko_driver_api);
+
+static int gpio_gecko_porte_init(struct device *dev)
+{
+	gpio_gecko_add_port(&gpio_gecko_common_data, dev);
+	return 0;
+}
+#endif /* CONFIG_GPIO_GECKO_PORTE */
+
+#ifdef CONFIG_GPIO_GECKO_PORTF
+static int gpio_gecko_portf_init(struct device *dev);
+
+static const struct gpio_gecko_config gpio_gecko_portf_config = {
+	.gpio_base = &GPIO->P[gpioPortF],
+	.gpio_index = gpioPortF,
+};
+
+static struct gpio_gecko_data gpio_gecko_portf_data;
+
+DEVICE_AND_API_INIT(gpio_gecko_portf, CONFIG_GPIO_GECKO_PORTF_NAME,
+		    gpio_gecko_portf_init,
+		    &gpio_gecko_portf_data, &gpio_gecko_portf_config,
+		    POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT,
+		    &gpio_gecko_driver_api);
+
+static int gpio_gecko_portf_init(struct device *dev)
+{
+	gpio_gecko_add_port(&gpio_gecko_common_data, dev);
+	return 0;
+}
+#endif /* CONFIG_GPIO_GECKO_PORTF */
diff --git a/ext/hal/silabs/gecko/Kbuild b/ext/hal/silabs/gecko/Kbuild
index f761d4db15..eb0c45d9ac 100644
--- a/ext/hal/silabs/gecko/Kbuild
+++ b/ext/hal/silabs/gecko/Kbuild
@@ -1,4 +1,5 @@
 obj-$(CONFIG_HAS_CMU) += emlib/src/em_cmu.o
 obj-y += emlib/src/em_system.o
+obj-$(CONFIG_GPIO_GECKO) += emlib/src/em_gpio.o
 
 obj-$(CONFIG_SOC_SERIES_EFM32WG) += Device/SiliconLabs/EFM32WG/Source/system_efm32wg.o