diff --git a/tests/drivers/build_all/gpio.conf b/tests/drivers/build_all/gpio.conf
index 235ebca552f..9738cb1f940 100644
--- a/tests/drivers/build_all/gpio.conf
+++ b/tests/drivers/build_all/gpio.conf
@@ -3,5 +3,6 @@ CONFIG_GPIO=y
 CONFIG_TEST_USERSPACE=y
 CONFIG_I2C=y
 CONFIG_GPIO_SX1509B=y
+CONFIG_GPIO_PCAL6408A=y
 CONFIG_SPI=y
 CONFIG_GPIO_MCP23S17=y
diff --git a/tests/drivers/build_all/i2c.dtsi b/tests/drivers/build_all/i2c.dtsi
index 816e40b5c5f..d68470f9b20 100644
--- a/tests/drivers/build_all/i2c.dtsi
+++ b/tests/drivers/build_all/i2c.dtsi
@@ -582,3 +582,14 @@ test_i2c_bmi270: bmi270@4a {
 	label = "BMI270";
 	reg = <0x4a>;
 };
+
+test_i2c_pcal6408a: pcal6408a@4b {
+	compatible = "nxp,pcal6408a";
+	label = "PCAL6408A";
+	reg = <0x4b>;
+	gpio-controller;
+	#gpio-cells = <2>;
+	ngpios = <8>;
+	int-gpios = <&test_gpio 0 0>;
+	reset-gpios = <&test_gpio 0 0>;
+};