diff --git a/MAINTAINERS b/MAINTAINERS
index 35c58d0b8fd9..e3d9f288c9c4 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1765,6 +1765,7 @@ F:	Documentation/devicetree/bindings/leds/cznic,turris-omnia-leds.yaml
 F:	drivers/bus/moxtet.c
 F:	drivers/firmware/turris-mox-rwtm.c
 F:	drivers/gpio/gpio-moxtet.c
+F:	drivers/leds/leds-turris-omnia.c
 F:	include/linux/moxtet.h
 
 ARM/EBSA110 MACHINE SUPPORT
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index c664d84e1667..7663a5cd9fb5 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -145,6 +145,17 @@ config LEDS_EL15203000
 	  To compile this driver as a module, choose M here: the module
 	  will be called leds-el15203000.
 
+config LEDS_TURRIS_OMNIA
+	tristate "LED support for CZ.NIC's Turris Omnia"
+	depends on LEDS_CLASS
+	depends on I2C
+	depends on MACH_ARMADA_38X || COMPILE_TEST
+	depends on OF
+	help
+	  This option enables basic support for the LEDs found on the front
+	  side of CZ.NIC's Turris Omnia router. There are 12 RGB LEDs on the
+	  front panel.
+
 config LEDS_LM3530
 	tristate "LCD Backlight driver for LM3530"
 	depends on LEDS_CLASS
diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
index 45235d5fb218..fd61421f7d40 100644
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
@@ -83,6 +83,7 @@ obj-$(CONFIG_LEDS_TCA6507)		+= leds-tca6507.o
 obj-$(CONFIG_LEDS_TI_LMU_COMMON)	+= leds-ti-lmu-common.o
 obj-$(CONFIG_LEDS_TLC591XX)		+= leds-tlc591xx.o
 obj-$(CONFIG_LEDS_TPS6105X)		+= leds-tps6105x.o
+obj-$(CONFIG_LEDS_TURRIS_OMNIA)		+= leds-turris-omnia.o
 obj-$(CONFIG_LEDS_WM831X_STATUS)	+= leds-wm831x-status.o
 obj-$(CONFIG_LEDS_WM8350)		+= leds-wm8350.o
 obj-$(CONFIG_LEDS_WRAP)			+= leds-wrap.o
diff --git a/drivers/leds/leds-turris-omnia.c b/drivers/leds/leds-turris-omnia.c
new file mode 100644
index 000000000000..aafb4be9b225
--- /dev/null
+++ b/drivers/leds/leds-turris-omnia.c
@@ -0,0 +1,285 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * CZ.NIC's Turris Omnia LEDs driver
+ *
+ * 2020 by Marek Behun <marek.behun@nic.cz>
+ */
+
+#include <linux/i2c.h>
+#include <linux/leds.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/of.h>
+#include <uapi/linux/uleds.h>
+#include "leds.h"
+
+#define OMNIA_BOARD_LEDS		12
+
+#define CMD_LED_MODE			3
+#define CMD_LED_MODE_LED(l)		((l) & 0x0f)
+#define CMD_LED_MODE_USER		0x10
+
+#define CMD_LED_STATE			4
+#define CMD_LED_STATE_LED(l)		((l) & 0x0f)
+#define CMD_LED_STATE_ON		0x10
+
+#define CMD_LED_COLOR			5
+#define CMD_LED_SET_BRIGHTNESS		7
+#define CMD_LED_GET_BRIGHTNESS		8
+
+#define OMNIA_CMD			0
+
+#define OMNIA_CMD_LED_COLOR_LED		1
+#define OMNIA_CMD_LED_COLOR_R		2
+#define OMNIA_CMD_LED_COLOR_G		3
+#define OMNIA_CMD_LED_COLOR_B		4
+#define OMNIA_CMD_LED_COLOR_LEN		5
+
+struct omnia_led {
+	struct led_classdev cdev;
+	int reg, color;
+};
+
+#define to_omnia_led(l)	container_of(l, struct omnia_led, cdev)
+
+struct omnia_leds {
+	struct i2c_client *client;
+	struct mutex lock;
+	u8 cache[OMNIA_BOARD_LEDS][3];
+	int nleds;
+	struct omnia_led leds[0];
+};
+
+static int omnia_led_brightness_set_blocking(struct led_classdev *cdev,
+					     enum led_brightness brightness)
+{
+	static const u8 color2cmd[] = {
+		[LED_COLOR_ID_RED] = OMNIA_CMD_LED_COLOR_R,
+		[LED_COLOR_ID_GREEN] = OMNIA_CMD_LED_COLOR_G,
+		[LED_COLOR_ID_BLUE] = OMNIA_CMD_LED_COLOR_B,
+	};
+	struct omnia_leds *leds = dev_get_drvdata(cdev->dev->parent);
+	struct omnia_led *led = to_omnia_led(cdev);
+	u8 buf[OMNIA_CMD_LED_COLOR_LEN], state;
+	int ret;
+
+	mutex_lock(&leds->lock);
+
+	buf[OMNIA_CMD] = CMD_LED_COLOR;
+	buf[OMNIA_CMD_LED_COLOR_LED] = led->reg;
+
+	if (led->color == LED_COLOR_ID_WHITE) {
+		buf[OMNIA_CMD_LED_COLOR_R] = brightness;
+		buf[OMNIA_CMD_LED_COLOR_G] = brightness;
+		buf[OMNIA_CMD_LED_COLOR_B] = brightness;
+	} else {
+		buf[OMNIA_CMD_LED_COLOR_R] = leds->cache[led->reg][0];
+		buf[OMNIA_CMD_LED_COLOR_G] = leds->cache[led->reg][1];
+		buf[OMNIA_CMD_LED_COLOR_B] = leds->cache[led->reg][2];
+		buf[color2cmd[led->color]] = brightness;
+	}
+
+	state = CMD_LED_STATE_LED(led->reg);
+	if (buf[OMNIA_CMD_LED_COLOR_R] || buf[OMNIA_CMD_LED_COLOR_G] ||
+	    buf[OMNIA_CMD_LED_COLOR_B])
+		state |= CMD_LED_STATE_ON;
+
+	ret = i2c_smbus_write_byte_data(leds->client, CMD_LED_STATE, state);
+	if (ret >= 0 && (state & CMD_LED_STATE_ON))
+		ret = i2c_master_send(leds->client, buf, 5);
+
+	leds->cache[led->reg][0] = buf[OMNIA_CMD_LED_COLOR_R];
+	leds->cache[led->reg][1] = buf[OMNIA_CMD_LED_COLOR_G];
+	leds->cache[led->reg][2] = buf[OMNIA_CMD_LED_COLOR_B];
+
+	mutex_unlock(&leds->lock);
+
+	return ret;
+}
+
+static int omnia_led_register(struct omnia_leds *leds,
+			      struct fwnode_handle *node)
+{
+	struct i2c_client *client = leds->client;
+	struct led_init_data init_data = {};
+	struct device *dev = &client->dev;
+	struct omnia_led *led;
+	int ret, nsources, color;
+	u32 led_sources[3];
+
+	led = &leds->leds[leds->nleds];
+
+	nsources = fwnode_property_count_u32(node, "led-sources");
+	if (nsources != 1 && nsources != 3) {
+		dev_warn(dev,
+			 "Node %pfw: 'led-sources' must contain either 1 or 3 items!\n",
+			 node);
+		return 0;
+	}
+
+	ret = fwnode_property_read_u32_array(node, "led-sources", led_sources,
+					     nsources);
+	if (ret) {
+		dev_err(dev, "Node %pfw: 'led-sources' read failed: %i\n",
+			node, ret);
+		return ret;
+	}
+
+	ret = fwnode_property_read_u32(node, "color", &led->color);
+	if (ret) {
+		dev_warn(dev, "Node %pfw: 'color' read failed!\n",
+			 node);
+		return 0;
+	}
+
+	if (nsources == 3) {
+		if ((led_sources[0] % 3) != 0 ||
+		    led_sources[1] != led_sources[0] + 1 ||
+		    led_sources[2] != led_sources[0] + 2 ||
+		    led_sources[2] >= OMNIA_BOARD_LEDS * 3) {
+			dev_warn(dev, "Node %pfw has invalid 'led-sources'!\n",
+				 node);
+			return 0;
+		}
+
+		color = LED_COLOR_ID_WHITE;
+	} else {
+		const int led_source_to_color[3] = {
+			LED_COLOR_ID_RED,
+			LED_COLOR_ID_GREEN,
+			LED_COLOR_ID_BLUE
+		};
+		color = led_source_to_color[led_sources[0] % 3];
+
+		if (led_sources[0] >= OMNIA_BOARD_LEDS * 3) {
+			dev_warn(dev, "Node %pfw has invalid 'led-sources'!\n",
+				 node);
+			return 0;
+		}
+	}
+
+	if (led->color != color) {
+		dev_warn(dev, "Node %pfw: 'color' should be %s!\n", node,
+			 led_colors[color]);
+		return 0;
+	}
+
+	init_data.fwnode = node;
+
+	led->reg = led_sources[0] / 3;
+	led->cdev.max_brightness = 255;
+	led->cdev.brightness_set_blocking = omnia_led_brightness_set_blocking;
+
+	fwnode_property_read_string(node, "linux,default-trigger",
+				    &led->cdev.default_trigger);
+
+	/* put the LED into software mode */
+	ret = i2c_smbus_write_byte_data(client, CMD_LED_MODE,
+					CMD_LED_MODE_LED(led->reg) |
+					CMD_LED_MODE_USER);
+	if (ret < 0) {
+		dev_err(dev, "Cannot set LED %pfw to software mode: %i\n", node,
+			ret);
+		return ret;
+	}
+
+	/* disable the LED */
+	ret = i2c_smbus_write_byte_data(client, CMD_LED_STATE,
+						CMD_LED_STATE_LED(led->reg));
+	if (ret < 0) {
+		dev_err(dev, "Cannot set LED %pfw brightness: %i\n", node, ret);
+		return ret;
+	}
+
+	ret = devm_led_classdev_register_ext(dev, &led->cdev, &init_data);
+	if (ret < 0) {
+		dev_err(dev, "Cannot register LED %pfw: %i\n", node, ret);
+		return ret;
+	}
+
+	++leds->nleds;
+
+	return 0;
+}
+
+static int omnia_leds_probe(struct i2c_client *client,
+			    const struct i2c_device_id *id)
+{
+	struct device *dev = &client->dev;
+	struct device_node *np = dev->of_node, *child;
+	struct omnia_leds *leds;
+	int ret, count;
+
+	count = of_get_available_child_count(np);
+	if (!count) {
+		dev_err(dev, "LEDs are not defined in device tree!\n");
+		return -ENODEV;
+	} else if (count > 3 * OMNIA_BOARD_LEDS) {
+		dev_err(dev, "Too many LEDs defined in device tree!\n");
+		return -EINVAL;
+	}
+
+	leds = devm_kzalloc(dev, sizeof(*leds) + count * sizeof(leds->leds[0]),
+			    GFP_KERNEL);
+	if (!leds)
+		return -ENOMEM;
+
+	leds->client = client;
+	i2c_set_clientdata(client, leds);
+
+	mutex_init(&leds->lock);
+
+	for_each_available_child_of_node(np, child) {
+		ret = omnia_led_register(leds, &child->fwnode);
+		if (ret < 0)
+			return ret;
+	}
+
+	return 0;
+}
+
+static int omnia_leds_remove(struct i2c_client *client)
+{
+	u8 buf[OMNIA_CMD_LED_COLOR_LEN];
+
+	/* put all LEDs into default (HW triggered) mode */
+	i2c_smbus_write_byte_data(client, CMD_LED_MODE,
+				  CMD_LED_MODE_LED(OMNIA_BOARD_LEDS));
+
+	/* set all LEDs color to [255, 255, 255] */
+	buf[OMNIA_CMD] = CMD_LED_COLOR;
+	buf[OMNIA_CMD_LED_COLOR_LED] = OMNIA_BOARD_LEDS;
+	buf[OMNIA_CMD_LED_COLOR_R] = 255;
+	buf[OMNIA_CMD_LED_COLOR_G] = 255;
+	buf[OMNIA_CMD_LED_COLOR_B] = 255;
+
+	i2c_master_send(client, buf, 5);
+
+	return 0;
+}
+
+static const struct of_device_id of_omnia_leds_match[] = {
+	{ .compatible = "cznic,turris-omnia-leds", },
+	{},
+};
+
+static const struct i2c_device_id omnia_id[] = {
+	{ "omnia", 0 },
+	{ }
+};
+
+static struct i2c_driver omnia_leds_driver = {
+	.probe		= omnia_leds_probe,
+	.remove		= omnia_leds_remove,
+	.id_table	= omnia_id,
+	.driver		= {
+		.name	= "leds-turris-omnia",
+		.of_match_table = of_omnia_leds_match,
+	},
+};
+
+module_i2c_driver(omnia_leds_driver);
+
+MODULE_AUTHOR("Marek Behun <marek.behun@nic.cz>");
+MODULE_DESCRIPTION("CZ.NIC's Turris Omnia LEDs");
+MODULE_LICENSE("GPL v2");
