diff --git a/tests/drivers/clock_control/clock_control_api/testcase.yaml b/tests/drivers/clock_control/clock_control_api/testcase.yaml
index ece53e013d7..47a779a102e 100644
--- a/tests/drivers/clock_control/clock_control_api/testcase.yaml
+++ b/tests/drivers/clock_control/clock_control_api/testcase.yaml
@@ -17,6 +17,7 @@ tests:
       - nrf52840dk/nrf52840
       - nrf9160dk/nrf9160
       - nrf54l15dk/nrf54l15/cpuapp
+      - nrf54l20pdk/nrf54l20/cpuapp
     integration_platforms:
       - nrf51dk/nrf51822
   drivers.clock.clock_control_nrf5_lfclk_rc:
@@ -25,6 +26,7 @@ tests:
       - nrf52dk/nrf52832
       - nrf52840dk/nrf52840
       - nrf54l15dk/nrf54l15/cpuapp
+      - nrf54l20pdk/nrf54l20/cpuapp
     integration_platforms:
       - nrf51dk/nrf51822
     extra_args: CONF_FILE="nrf_lfclk_rc.conf"
diff --git a/tests/drivers/clock_control/nrf_clock_calibration/testcase.yaml b/tests/drivers/clock_control/nrf_clock_calibration/testcase.yaml
index fc90cc792ab..67108389500 100644
--- a/tests/drivers/clock_control/nrf_clock_calibration/testcase.yaml
+++ b/tests/drivers/clock_control/nrf_clock_calibration/testcase.yaml
@@ -8,5 +8,6 @@ tests:
       - nrf52dk/nrf52832
       - nrf52840dk/nrf52840
       - nrf54l15dk/nrf54l15/cpuapp
+      - nrf54l20pdk/nrf54l20/cpuapp
     integration_platforms:
       - nrf51dk/nrf51822
diff --git a/tests/drivers/clock_control/nrf_lf_clock_start/testcase.yaml b/tests/drivers/clock_control/nrf_lf_clock_start/testcase.yaml
index c17f6b6cd48..bd59a135d65 100644
--- a/tests/drivers/clock_control/nrf_lf_clock_start/testcase.yaml
+++ b/tests/drivers/clock_control/nrf_lf_clock_start/testcase.yaml
@@ -14,6 +14,7 @@ tests:
       - nrf5340dk/nrf5340/cpuapp
       - nrf5340dk/nrf5340/cpunet
       - nrf54l15dk/nrf54l15/cpuapp
+      - nrf54l20pdk/nrf54l20/cpuapp
     extra_configs:
       - CONFIG_SYSTEM_CLOCK_WAIT_FOR_STABILITY=y
       - CONFIG_CLOCK_CONTROL_NRF_K32SRC_XTAL=y
@@ -29,6 +30,7 @@ tests:
       - nrf5340dk/nrf5340/cpuapp
       - nrf5340dk/nrf5340/cpunet
       - nrf54l15dk/nrf54l15/cpuapp
+      - nrf54l20pdk/nrf54l20/cpuapp
     extra_configs:
       - CONFIG_SYSTEM_CLOCK_WAIT_FOR_AVAILABILITY=y
       - CONFIG_CLOCK_CONTROL_NRF_K32SRC_XTAL=y
@@ -44,6 +46,7 @@ tests:
       - nrf5340dk/nrf5340/cpuapp
       - nrf5340dk/nrf5340/cpunet
       - nrf54l15dk/nrf54l15/cpuapp
+      - nrf54l20pdk/nrf54l20/cpuapp
     integration_platforms:
       - nrf51dk/nrf51822
     extra_configs:
@@ -58,6 +61,7 @@ tests:
       - nrf5340dk/nrf5340/cpuapp
       - nrf5340dk/nrf5340/cpunet
       - nrf54l15dk/nrf54l15/cpuapp
+      - nrf54l20pdk/nrf54l20/cpuapp
     integration_platforms:
       - nrf51dk/nrf51822
     extra_configs:
@@ -72,6 +76,7 @@ tests:
       - nrf5340dk/nrf5340/cpuapp
       - nrf5340dk/nrf5340/cpunet
       - nrf54l15dk/nrf54l15/cpuapp
+      - nrf54l20pdk/nrf54l20/cpuapp
     integration_platforms:
       - nrf51dk/nrf51822
     extra_configs:
@@ -86,6 +91,7 @@ tests:
       - nrf5340dk/nrf5340/cpuapp
       - nrf5340dk/nrf5340/cpunet
       - nrf54l15dk/nrf54l15/cpuapp
+      - nrf54l20pdk/nrf54l20/cpuapp
     integration_platforms:
       - nrf51dk/nrf51822
     extra_configs:
@@ -100,6 +106,7 @@ tests:
       - nrf5340dk/nrf5340/cpuapp
       - nrf5340dk/nrf5340/cpunet
       - nrf54l15dk/nrf54l15/cpuapp
+      - nrf54l20pdk/nrf54l20/cpuapp
     integration_platforms:
       - nrf51dk/nrf51822
     extra_configs:
@@ -114,6 +121,7 @@ tests:
       - nrf5340dk/nrf5340/cpuapp
       - nrf5340dk/nrf5340/cpunet
       - nrf54l15dk/nrf54l15/cpuapp
+      - nrf54l20pdk/nrf54l20/cpuapp
     integration_platforms:
       - nrf51dk/nrf51822
     extra_configs:
@@ -128,6 +136,7 @@ tests:
       - nrf5340dk/nrf5340/cpuapp
       - nrf5340dk/nrf5340/cpunet
       - nrf54l15dk/nrf54l15/cpuapp
+      - nrf54l20pdk/nrf54l20/cpuapp
     integration_platforms:
       - nrf51dk/nrf51822
     extra_configs:
diff --git a/tests/drivers/clock_control/onoff/testcase.yaml b/tests/drivers/clock_control/onoff/testcase.yaml
index 3e57daea83a..7d03f6a6ed5 100644
--- a/tests/drivers/clock_control/onoff/testcase.yaml
+++ b/tests/drivers/clock_control/onoff/testcase.yaml
@@ -8,6 +8,7 @@ tests:
       - nrf52dk/nrf52832
       - nrf52840dk/nrf52840
       - nrf54l15dk/nrf54l15/cpuapp
+      - nrf54l20pdk/nrf54l20/cpuapp
       - nrf9160dk/nrf9160
     integration_platforms:
       - nrf51dk/nrf51822