nrf9251: Enable GPPI support and add test

dts/common/nordic/nrf9251.dtsi

@@ -486,6 +486,13 @@
 				frame-timeout-supported;
 			};
 
+			ppib121: ppib@8ef000 {
+				compatible = "nordic,nrf-ppib";
+				reg = <0x8ef000 0x1000>;
+				status = "disabled";
+				channels = <8>;
+			};
+
 			cpuppr_vpr: vpr@908000 {
 				compatible = "nordic,nrf-vpr-coprocessor";
 				reg = <0x908000 0x1000>;
@@ -522,6 +529,20 @@
 				groups = <2>;
 			};
 
+			ppib130: ppib@925000 {
+				compatible = "nordic,nrf-ppib";
+				reg = <0x925000 0x1000>;
+				status = "disabled";
+				channels = <32>;
+			};
+
+			ppib131: ppib@926000 {
+				compatible = "nordic,nrf-ppib";
+				reg = <0x926000 0x1000>;
+				status = "disabled";
+				channels = <24>;
+			};
+
 			rtc130: rtc@928000 {
 				compatible = "nordic,nrf-rtc";
 				reg = <0x928000 0x1000>;
@@ -659,6 +680,13 @@
 				interrupts = <389 NRF_DEFAULT_IRQ_PRIORITY>;
 			};
 
+			ppib132: ppib@98d000 {
+				compatible = "nordic,nrf-ppib";
+				reg = <0x98d000 0x1000>;
+				status = "disabled";
+				channels = <8>;
+			};
+
 			dppic132: dppic@991000 {
 				compatible = "nordic,nrf-dppic-global";
 				reg = <0x991000 0x1000>;
@@ -686,6 +714,14 @@
 				clock-names = "lfclock", "hfclock";
 			};
 
+			ppib133: ppib@99d000 {
+				compatible = "nordic,nrf-ppib";
+				reg = <0x99d000 0x1000>;
+				status = "disabled";
+				channels = <8>;
+				offset = <8>;
+			};
+
 			dppic133: dppic@9a1000 {
 				compatible = "nordic,nrf-dppic-global";
 				reg = <0x9a1000 0x1000>;
@@ -812,6 +848,14 @@
 				frame-timeout-supported;
 			};
 
+			ppib134: ppib@9ad000 {
+				compatible = "nordic,nrf-ppib";
+				reg = <0x9ad000 0x1000>;
+				status = "disabled";
+				channels = <8>;
+				offset = <16>;
+			};
+
 			dppic134: dppic@9b1000 {
 				compatible = "nordic,nrf-dppic-global";
 				reg = <0x9b1000 0x1000>;
@@ -937,6 +981,14 @@
 				endtx-stoptx-supported;
 				frame-timeout-supported;
 			};
+
+			ppib135: ppib@9bd000 {
+				compatible = "nordic,nrf-ppib";
+				reg = <0x9bd000 0x1000>;
+				status = "disabled";
+				channels = <8>;
+				offset = <24>;
+			};
 		};
 	};
 

scripts/ci/tags.yaml

@@ -1824,6 +1824,11 @@ ci_tests_zephyr_boards_nrf_mram_latency:
     - nrf/tests/zephyr/boards/nrf/mram_latency/
     - zephyr/tests/boards/nrf/mram_latency/
 
+ci_tests_zephyr_boards_nrf_gppi:
+  files:
+    - nrf/tests/zephyr/boards/nrf/gppi/
+    - zephyr/tests/boards/nrf/gppi/
+
 ci_tests_zephyr_drivers_gpio:
   files:
     - nrf/tests/zephyr/drivers/gpio/

soc/nordic/nrf92/Kconfig

@@ -23,6 +23,7 @@ config SOC_NRF9220_CPUAPP
 	select NRFS_HAS_VBUS_DETECTOR_SERVICE
 	select NRFS_TEMP_SERVICE_HAS_SUBSCRIPTION_SERVICE
 	select HAS_IRONSIDE_SE_CALL
+	imply NRFX_GPPI_SD2PPI_GLOBAL
 
 config SOC_NRF9220_CPUPPR
 	select RISCV_CORE_NORDIC_VPR

tests/zephyr/boards/nrf/gppi/CMakeLists.txt

@@ -0,0 +1,12 @@
+#
+# Copyright (c) 2026 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+cmake_minimum_required(VERSION 3.20.0)
+
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
+project(gppi)
+
+target_sources(app PRIVATE ${ZEPHYR_BASE}/tests/boards/nrf/gppi/src/main.c)

tests/zephyr/boards/nrf/gppi/boards/nrf9251dk_nrf9251_cpuapp.overlay

@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2026 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+dut_timer0: &timer130 {
+	status = "reserved";
+};
+
+dut_timer1: &timer131 {
+	status = "reserved";
+};
+
+dut_timer2: &timer132 {
+	status = "reserved";
+};
+
+&pdm0 {
+	status = "reserved";
+};

tests/zephyr/boards/nrf/gppi/prj.conf

@@ -0,0 +1,7 @@
+CONFIG_ZTEST=y
+CONFIG_NRFX_GPPI=y
+CONFIG_NRFX_GPPI_V1=n
+
+CONFIG_TEST_LOGGING_DEFAULTS=n
+CONFIG_LOG=y
+CONFIG_LOG_BUFFER_SIZE=8192

tests/zephyr/boards/nrf/gppi/testcase.yaml

@@ -0,0 +1,12 @@
+common:
+  tags:
+    - drivers
+    - ci_tests_zephyr_boards_nrf_gppi
+  harness: ztest
+
+tests:
+  nrf.extended.boards.nrf.gppi:
+    platform_allow:
+      - nrf9251dk/nrf9251/cpuapp
+    integration_platforms:
+      - nrf9251dk/nrf9251/cpuapp

west.yml

@@ -65,7 +65,7 @@ manifest:
     # https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/zephyr/guides/modules.html
     - name: zephyr
       repo-path: sdk-zephyr
-      revision: 94fe256680508229500faf3825dfc386fed73777
+      revision: aa1f881f24b9e10fe7c1f1a81ea5dd9805d67ff1
       import:
         # In addition to the zephyr repository itself, NCS also
         # imports the contents of zephyr/west.yml at the above