diff --git a/recipes-bsp/sob-odu/files/usb2514.c b/recipes-bsp/sob-odu/files/usb2514.c
index 5366e01..d096323 100644
--- a/recipes-bsp/sob-odu/files/usb2514.c
+++ b/recipes-bsp/sob-odu/files/usb2514.c
@@ -110,12 +110,28 @@ static const struct usb2514_board odu_boards[] = {
 	},
 };
 
+static const struct usb2514_board owhw_boards[] = {
+	{
+		.name = "OWHW",
+		.i2c_bus = 1,
+		.i2c_addr = 0x2C,
+		.board_version_op = EQUAL,
+		.ports_swap = 0x10,	/* swap only DN4 */
+		.reset_gpio_path = "/sys/devices/platform/sob-odu.0/gpio_hub_reset/value",
+		.reset_low_active = 1,
+	},
+};
+
 static const struct board_group boards[] = {
 	{
 		.proc_name = "sob-odu",
 		.device_tree_name = "sysmocom ODU",
 		.boards = odu_boards,
 		.num_boards = ARRAY_SIZE(odu_boards),
+	}, {
+		.device_tree_name = "GSMK OWHW",
+		.boards = owhw_boards,
+		.num_boards = ARRAY_SIZE(owhw_boards),
 	},
 };
 
diff --git a/recipes-bsp/sob-odu/usb2514_1.bb b/recipes-bsp/sob-odu/usb2514_1.bb
index 1b25e65..4cdaa83 100644
--- a/recipes-bsp/sob-odu/usb2514_1.bb
+++ b/recipes-bsp/sob-odu/usb2514_1.bb
@@ -4,7 +4,7 @@ LICENSE = "GPLv2+"
 LIC_FILES_CHKSUM = "file://${WORKDIR}/usb2514.c;beginline=1;endline=18;md5=3b8421a1c05d21add65cc20fccfa29cd"
 DEPENDS += "lmsensors-apps"
 
-PR = "r3"
+PR = "r4"
 
 SRC_URI = "file://usb2514.c \
            file://gpio_usb2514 \