tests: drivers: uart: uart_mix_fifo_poll: Add nrf54h20dk overlays

Add overlays for nrf54h20dk (cpuapp and cpurad).

Signed-off-by: Krzysztof Chruściński <[email protected]>

Author: nordic-krch

tests/drivers/uart/uart_mix_fifo_poll/boards/nrf54h20dk_nrf54h20_common.dtsi

@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: Apache-2.0 */
+
+&pinctrl {
+	uart137_default_alt: uart137_default_alt {
+		group1 {
+			psels = <NRF_PSEL(UART_TX, 0, 6)>,
+				<NRF_PSEL(UART_RX, 0, 7)>,
+				<NRF_PSEL(UART_RTS, 0, 8)>,
+				<NRF_PSEL(UART_CTS, 0, 9)>;
+		};
+	};
+
+	uart137_sleep_alt: uart137_sleep_alt {
+		group1 {
+			psels = <NRF_PSEL(UART_TX, 0, 6)>,
+				<NRF_PSEL(UART_RX, 0, 7)>,
+				<NRF_PSEL(UART_RTS, 0, 8)>,
+				<NRF_PSEL(UART_CTS, 0, 9)>;
+			low-power-enable;
+		};
+	};
+};
+
+dut: &uart137 {
+	status = "okay";
+	pinctrl-0 = <&uart137_default_alt>;
+	pinctrl-1 = <&uart137_sleep_alt>;
+	pinctrl-names = "default", "sleep";
+	current-speed = <115200>;
+	hw-flow-control;
+};
+
+/* Use timer137 as only this one can generate interrupts on cpusys. */
+counter_dev: &timer137 {
+	status = "okay";
+};

tests/drivers/uart/uart_mix_fifo_poll/boards/nrf54h20dk_nrf54h20_cpuapp.overlay

@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: Apache-2.0 */
+
+#include "nrf54h20dk_nrf54h20_common.dtsi"
+
+&dut {
+	memory-regions = <&cpuapp_dma_region>;
+};
+
+&grtc {
+	interrupts = <109 2>;
+};

tests/drivers/uart/uart_mix_fifo_poll/boards/nrf54h20dk_nrf54h20_cpurad.overlay

@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: Apache-2.0 */
+
+#include "nrf54h20dk_nrf54h20_common.dtsi"
+
+&cpurad_dma_region {
+	/* Default space is not enough. */
+	reg = <0x1e80 0x100>;
+};
+
+&dut {
+	memory-regions = <&cpurad_dma_region>;
+};
+
+&grtc {
+	interrupts = <109 2>;
+};

tests/drivers/uart/uart_mix_fifo_poll/testcase.yaml

@@ -9,6 +9,8 @@ common:
     - nrf9160dk/nrf9160
     - nrf5340dk/nrf5340/cpuapp
     - nrf54l15pdk/nrf54l15/cpuapp
+    - nrf54h20dk/nrf54h20/cpuapp
+    - nrf54h20dk/nrf54h20/cpurad
     - nrf52_bsim
   integration_platforms:
     - nrf52840dk/nrf52840
@@ -79,13 +81,21 @@ tests:
       - CONFIG_UART_ASYNC_API=n
       - CONFIG_UART_0_ENHANCED_POLL_OUT=n
       - CONFIG_UART_NRFX_UARTE_LEGACY_SHIM=y
+    platform_exclude:
+      - nrf54l15pdk/nrf54l15/cpuapp
+      - nrf54h20dk/nrf54h20/cpuapp
+      - nrf54h20dk/nrf54h20/cpurad
 
   drivers.uart.legacy.uart_mix_poll_fifo:
     extra_configs:
       - CONFIG_UART_INTERRUPT_DRIVEN=y
       - CONFIG_UART_0_INTERRUPT_DRIVEN=y
       - CONFIG_UART_0_ENHANCED_POLL_OUT=n
       - CONFIG_UART_NRFX_UARTE_LEGACY_SHIM=y
+    platform_exclude:
+      - nrf54l15pdk/nrf54l15/cpuapp
+      - nrf54h20dk/nrf54h20/cpuapp
+      - nrf54h20dk/nrf54h20/cpurad
 
   drivers.uart.legacy.uart_mix_poll_async_api:
     extra_configs:
@@ -97,3 +107,7 @@ tests:
       - CONFIG_UART_0_NRF_HW_ASYNC_TIMER=2
       - CONFIG_NRFX_TIMER2=y
       - CONFIG_UART_NRFX_UARTE_LEGACY_SHIM=y
+    platform_exclude:
+      - nrf54l15pdk/nrf54l15/cpuapp
+      - nrf54h20dk/nrf54h20/cpuapp
+      - nrf54h20dk/nrf54h20/cpurad