diff --git a/tests/drivers/gpio/gpio_api_1pin/boards/particle_xenon.conf b/tests/drivers/gpio/gpio_api_1pin/boards/particle_xenon.conf
new file mode 100644
index 00000000000..96a375066db
--- /dev/null
+++ b/tests/drivers/gpio/gpio_api_1pin/boards/particle_xenon.conf
@@ -0,0 +1,3 @@
+CONFIG_I2C=y
+CONFIG_GPIO_SX1509B=y
+CONFIG_GPIO_SX1509B_INTERRUPT=y
diff --git a/tests/drivers/gpio/gpio_api_1pin/boards/particle_xenon.overlay b/tests/drivers/gpio/gpio_api_1pin/boards/particle_xenon.overlay
new file mode 100644
index 00000000000..e5dd196fa0a
--- /dev/null
+++ b/tests/drivers/gpio/gpio_api_1pin/boards/particle_xenon.overlay
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2019 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	resources {
+		compatible = "test,gpio_basic_api";
+		out-gpios = <&sx1509b 0 0>; /* EXT0 */
+		in-gpios = <&sx1509b 1 0>;  /* EXT1 */
+	};
+
+	gpio_keys {
+		compatible = "gpio-keys";
+		iox_button: button_2 {
+			    gpios = <&sx1509b 2 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
+			    label = "IOX Button";
+		};
+	};
+};
+
+&i2c0 {
+	sx1509b: sx1509b@3e {
+		compatible = "semtech,sx1509b";
+		reg = <0x3e>;
+		label = "IOX";
+		gpio-controller;
+		#gpio-cells = <2>;
+		ngpios = <16>;
+		nint-gpios =<&gpio1 1 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
+	};
+};
diff --git a/tests/drivers/gpio/gpio_basic_api/boards/particle_xenon.conf b/tests/drivers/gpio/gpio_basic_api/boards/particle_xenon.conf
new file mode 100644
index 00000000000..96a375066db
--- /dev/null
+++ b/tests/drivers/gpio/gpio_basic_api/boards/particle_xenon.conf
@@ -0,0 +1,3 @@
+CONFIG_I2C=y
+CONFIG_GPIO_SX1509B=y
+CONFIG_GPIO_SX1509B_INTERRUPT=y
diff --git a/tests/drivers/gpio/gpio_basic_api/boards/particle_xenon.overlay b/tests/drivers/gpio/gpio_basic_api/boards/particle_xenon.overlay
new file mode 100644
index 00000000000..e5dd196fa0a
--- /dev/null
+++ b/tests/drivers/gpio/gpio_basic_api/boards/particle_xenon.overlay
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2019 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	resources {
+		compatible = "test,gpio_basic_api";
+		out-gpios = <&sx1509b 0 0>; /* EXT0 */
+		in-gpios = <&sx1509b 1 0>;  /* EXT1 */
+	};
+
+	gpio_keys {
+		compatible = "gpio-keys";
+		iox_button: button_2 {
+			    gpios = <&sx1509b 2 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
+			    label = "IOX Button";
+		};
+	};
+};
+
+&i2c0 {
+	sx1509b: sx1509b@3e {
+		compatible = "semtech,sx1509b";
+		reg = <0x3e>;
+		label = "IOX";
+		gpio-controller;
+		#gpio-cells = <2>;
+		ngpios = <16>;
+		nint-gpios =<&gpio1 1 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
+	};
+};