diff --git a/boards/silabs/radio_boards/siwx917_rb4338a/siwx917_rb4338a.yaml b/boards/silabs/radio_boards/siwx917_rb4338a/siwx917_rb4338a.yaml
index 90580cf0337..a9638e68663 100644
--- a/boards/silabs/radio_boards/siwx917_rb4338a/siwx917_rb4338a.yaml
+++ b/boards/silabs/radio_boards/siwx917_rb4338a/siwx917_rb4338a.yaml
@@ -22,4 +22,5 @@ supported:
   - adc
   - wifi
   - rtc
+  - counter
 vendor: silabs
diff --git a/boards/silabs/radio_boards/siwx917_rb4342a/siwx917_rb4342a.yaml b/boards/silabs/radio_boards/siwx917_rb4342a/siwx917_rb4342a.yaml
index c3a27d7dcac..88ed2916424 100644
--- a/boards/silabs/radio_boards/siwx917_rb4342a/siwx917_rb4342a.yaml
+++ b/boards/silabs/radio_boards/siwx917_rb4342a/siwx917_rb4342a.yaml
@@ -20,5 +20,6 @@ supported:
   - pwm
   - uart
   - watchdog
+  - counter
   - wifi
 vendor: silabs
diff --git a/tests/drivers/counter/counter_basic_api/boards/siwx917_rb4342a.overlay b/tests/drivers/counter/counter_basic_api/boards/siwx917_rb4342a.overlay
new file mode 100644
index 00000000000..8f25ee6c549
--- /dev/null
+++ b/tests/drivers/counter/counter_basic_api/boards/siwx917_rb4342a.overlay
@@ -0,0 +1,8 @@
+/*
+ * Copyright (c) 2025 Silicon Laboratories Inc.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+&sysrtc0  {
+	status = "okay";
+};