tests: drivers: pwm: Enable PWM loopback test on nRF54L20pdk

Enable execution of PWM gpio_loopback test on nRF54L20pdk.

Signed-off-by: Sebastian Głąb <[email protected]>

Author: nordic-segl

tests/drivers/pwm/gpio_loopback/boards/nrf54h20dk_nrf54h20_cpuapp.conf

@@ -0,0 +1 @@
+CONFIG_NRF_REGTOOL_VERBOSITY=1

tests/drivers/pwm/gpio_loopback/boards/nrf54l20pdk_nrf54l20_cpuapp.overlay

@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+#include <zephyr/dt-bindings/pwm/pwm.h>
+#include <zephyr/dt-bindings/gpio/nordic-nrf-gpio.h>
+
+&pinctrl {
+	pwm20_alt: pwm20_alt {
+		group1 {
+			psels = <NRF_PSEL(PWM_OUT0, 1, 10)>;
+		};
+	};
+
+	pwm20_alt_sleep: pwm20_alt_sleep {
+		group1 {
+			psels = <NRF_PSEL(PWM_OUT0, 1, 10)>;
+			low-power-enable;
+		};
+	};
+};
+
+&pwm20 {
+	pinctrl-0 = <&pwm20_alt>;
+	pinctrl-1 = <&pwm20_alt_sleep>;
+	pinctrl-names = "default", "sleep";
+};
+
+/ {
+	pwm_to_gpio_loopback: pwm_to_gpio_loopback {
+		compatible = "test-pwm-to-gpio-loopback";
+		pwms = <&pwm20 0 0 PWM_POLARITY_NORMAL>;
+		gpios = <&gpio1 11 GPIO_ACTIVE_HIGH>;
+	};
+};

tests/drivers/pwm/gpio_loopback/prj.conf

@@ -9,4 +9,3 @@ CONFIG_TEST_USERSPACE=y
 
 CONFIG_PWM=y
 CONFIG_GPIO=y
-CONFIG_NRF_REGTOOL_VERBOSITY=1

tests/drivers/pwm/gpio_loopback/testcase.yaml

@@ -15,6 +15,7 @@ tests:
     platform_allow:
       - nrf54h20dk/nrf54h20/cpuapp
       - nrf54l15dk/nrf54l15/cpuapp
+      - nrf54l20pdk/nrf54l20/cpuapp
     integration_platforms:
       - nrf54h20dk/nrf54h20/cpuapp
       - nrf54l15dk/nrf54l15/cpuapp

west.yml

@@ -70,7 +70,7 @@ manifest:
     # https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/zephyr/guides/modules.html
     - name: zephyr
       repo-path: sdk-zephyr
-      revision: pull/2487/head
+      revision: 4d63c4e1f00898e7619321e3d55d3fd61f4918f4
       import:
         # In addition to the zephyr repository itself, NCS also
         # imports the contents of zephyr/west.yml at the above