diff --git a/tests/drivers/counter/counter_basic_api/boards/nrf54l20pdk_nrf54l20_cpuapp.overlay b/tests/drivers/counter/counter_basic_api/boards/nrf54l20pdk_nrf54l20_cpuapp.overlay
new file mode 100644
index 00000000000..54b47926164
--- /dev/null
+++ b/tests/drivers/counter/counter_basic_api/boards/nrf54l20pdk_nrf54l20_cpuapp.overlay
@@ -0,0 +1,34 @@
+&timer00 {
+	prescaler = <6>;
+	status = "okay";
+};
+
+&timer10 {
+	prescaler = <4>;
+	status = "okay";
+};
+
+&timer20 {
+	prescaler = <4>;
+	status = "okay";
+};
+
+&timer21 {
+	prescaler = <4>;
+	status = "okay";
+};
+
+&timer22 {
+	prescaler = <4>;
+	status = "okay";
+};
+
+&timer23 {
+	prescaler = <4>;
+	status = "okay";
+};
+
+&timer24 {
+	prescaler = <4>;
+	status = "okay";
+};