tests: drivers: add overlay/testcase for silabs xg29_rb4412a board

Add some overlay files for the silabs xg29_rb4412a board to enable tests
on the board. Also add the platform to some testcase.yaml files.

Signed-off-by: Martin Hoff <martin.hoff@silabs.com>

tests/arch/arm/arm_no_multithreading/testcase.yaml

@@ -14,5 +14,6 @@ tests:
       - nrf52840dk/nrf52840
       - nrf9160dk/nrf9160
       - nrf51dk/nrf51822
+      - xg29_rb4412a
     integration_platforms:
       - qemu_cortex_m0

tests/boards/silabs/dma/block_append/boards/xg29_rb4412a.overlay

@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2025 Silicon Laboratories, Inc.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	aliases {
+		dma0 = &dma0;
+	};
+};
+
+&dma0 {
+	status = "okay";
+};

tests/boards/silabs/dma/block_append/testcase.yaml

@@ -6,4 +6,5 @@ tests:
       - dma
     platform_allow:
       - slwrb4180a
+      - xg29_rb4412a
     filter: dt_alias_exists("dma0")

tests/drivers/adc/adc_accuracy_test/boards/xg29_rb4412a.overlay

@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2025 Silicon Laboratories Inc.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "dt-bindings/adc/silabs-adc.h"
+
+/ {
+	zephyr,user {
+		io-channels = <&adc0 4>;
+		reference-mv = <(3300 / 4)>;
+		expected-accuracy = <32>;
+	};
+};
+
+&adc0{
+	status = "okay";
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	channel@4 {
+		reg = <4>;
+		zephyr,gain = "ADC_GAIN_1";
+		zephyr,reference = "ADC_REF_INTERNAL";
+		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
+		zephyr,resolution = <12>;
+		zephyr,input-positive = <IADC_INPUT_AVDD>;
+	};
+};

tests/drivers/adc/adc_accuracy_test/testcase.yaml

@@ -40,5 +40,6 @@ tests:
       - xg24_dk2601b
       - xg24_rb4187c
       - xg27_dk2602a
+      - xg29_rb4412a
     integration_platforms:
       - frdm_kl25z

tests/drivers/adc/adc_api/boards/xg29_rb4412a.overlay

@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2025 Silicon Laboratories Inc.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "dt-bindings/adc/silabs-adc.h"
+
+/ {
+	zephyr,user {
+		io-channels = <&adc0 0>, <&adc0 1>;
+	};
+};
+
+&adc0 {
+	status = "okay";
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	channel@0 {
+		reg = <0>;
+		zephyr,gain = "ADC_GAIN_1";
+		zephyr,reference = "ADC_REF_INTERNAL";
+		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
+		zephyr,resolution = <12>;
+		zephyr,input-positive = <IADC_INPUT_IOVDD>;
+	};
+
+	channel@1 {
+		reg = <1>;
+		zephyr,gain = "ADC_GAIN_1";
+		zephyr,reference = "ADC_REF_INTERNAL";
+		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
+		zephyr,resolution = <12>;
+		zephyr,input-positive = <IADC_INPUT_VBAT>;
+	};
+};

tests/drivers/build_all/adc/testcase.yaml

@@ -33,6 +33,8 @@ tests:
     platform_allow: same54_xpro
   drivers.adc.sam.afec.build:
     platform_allow: sam_e70_xplained/same70q21
+  drivers.adc.silabs.build:
+    platform_allow: xg29_rb4412a
   drivers.adc.stm32.build:
     platform_allow: disco_l475_iot1
   drivers.adc.xec.build:

tests/drivers/dma/chan_blen_transfer/boards/xg29_rb4412a.overlay

@@ -0,0 +1,11 @@
+/*
+ * Copyright (c) 2025 Silicon Laboratories, Inc.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&dma0 {
+	status = "okay";
+};
+
+tst_dma0: &dma0 { };

tests/drivers/dma/loop_transfer/boards/xg29_rb4412a.conf

@@ -0,0 +1,4 @@
+# Copyright (c) 2025 Silicon Laboratories, Inc.
+# SPDX-License-Identifier: Apache-2.0
+
+CONFIG_DMA_LOOP_TRANSFER_SIZE=2048

tests/drivers/dma/loop_transfer/boards/xg29_rb4412a.overlay

@@ -0,0 +1,11 @@
+/*
+ * Copyright (c) 2025 Silicon Laboratories, Inc.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&dma0 {
+	status = "okay";
+};
+
+tst_dma0: &dma0 { };

tests/drivers/dma/scatter_gather/boards/xg29_rb4412a.overlay

@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2025 Silicon Laboratories, Inc.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	aliases {
+		dma0 = &dma0;
+	};
+};
+
+&dma0 {
+	status = "okay";
+};

tests/drivers/flash/common/boards/xg29_rb4412a.overlay

@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2025 Silicon Laboratories Inc.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&dma0 {
+	status = "okay";
+};
+
+&msc {
+	dmas = <&dma0 DMA_REQSEL_MSCWDATA>;
+};
+
+
+/* Disable jedec spi nor flash to test internal flash */
+
+/ {
+
+	aliases {
+		/delete-property/ spi-flash0;
+	};
+};
+
+/delete-node/ &mx25r80;

tests/drivers/flash/common/testcase.yaml

@@ -97,18 +97,21 @@ tests:
   drivers.flash.common.silabs.dma:
     platform_allow:
       - xg24_rb4187c
+      - xg29_rb4412a
     extra_configs:
       - CONFIG_DMA=y
   drivers.flash.common.silabs.dma.lpwrite:
     platform_allow:
       - xg24_rb4187c
+      - xg29_rb4412a
     extra_configs:
       - CONFIG_DMA=y
     extra_args:
-      - DTC_OVERLAY_FILE=boards/xg24_rb4187c_lpwrite.overlay
+      - EXTRA_DTC_OVERLAY_FILE=boards/silabs_s2_lpwrite.overlay
   drivers.flash.common.silabs.dma_read:
     platform_allow:
       - xg24_rb4187c
+      - xg29_rb4412a
     extra_configs:
       - CONFIG_DMA=y
       - CONFIG_SOC_FLASH_SILABS_S2_DMA_READ=y

tests/drivers/gpio/gpio_basic_api/boards/xg29_rb4412a.overlay

@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2025 Silicon Laboratories Inc.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/*
+ * Connect EXP4 (PC0) and EXP6 (PC1) of the Expansion Pin header
+ */
+
+/ {
+	resources {
+		compatible = "test-gpio-basic-api";
+		out-gpios = <&gpioc 0 0>; /* WPK EXP4 (PC0) */
+		in-gpios = <&gpioc 1 0>; /* WPK EXP6 (PC1) */
+	};
+};

tests/drivers/gpio/gpio_hogs/boards/xg29_rb4412a.overlay

@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2025 Silicon Laboratories Inc.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	zephyr,user {
+		output-high-gpios = <&gpioc 1 GPIO_ACTIVE_LOW>;
+		output-low-gpios = <&gpioc 3 GPIO_ACTIVE_HIGH>;
+		input-gpios = <&gpioc 2 GPIO_ACTIVE_HIGH>;
+	};
+};
+
+&gpioc {
+	hog1 {
+		gpio-hog;
+		gpios = <1 GPIO_ACTIVE_LOW>;
+		output-high;
+	};
+
+	hog2 {
+		gpio-hog;
+		gpios = <2 GPIO_ACTIVE_HIGH>;
+		input;
+	};
+	hog3 {
+		gpio-hog;
+		gpios = <3 GPIO_ACTIVE_HIGH>;
+		output-low;
+	};
+};

tests/drivers/gpio/gpio_hogs/testcase.yaml

@@ -19,6 +19,7 @@ tests:
       - s32z2xxdc2/s32z270/rtu1
       - s32z2xxdc2@D/s32z270/rtu0
       - s32z2xxdc2@D/s32z270/rtu1
+      - xg29_rb4412a
     integration_platforms:
       - native_sim
       - native_sim/native/64

tests/drivers/spi/spi_loopback/boards/xg29_rb4412a.conf

@@ -0,0 +1,2 @@
+CONFIG_DMA_MAX_DESCRIPTOR=16
+CONFIG_SPI_SILABS_EUSART_DMA_MAX_BLOCKS=10

tests/drivers/spi/spi_loopback/boards/xg29_rb4412a.overlay

@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2025 Silicon Laboratories Inc.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <dt-bindings/pinctrl/silabs/xg29-pinctrl.h>
+
+/*
+ * Connect EXP4 (PC0) and EXP6 (PC1) of the Expansion Pin header
+ */
+
+&eusart1 {
+	dmas = <&dma0 DMA_REQSEL_EUSART1TXFL>,
+	       <&dma0 DMA_REQSEL_EUSART1RXFL>;
+	dma-names = "tx", "rx";
+	#address-cells = <1>;
+	#size-cells = <0>;
+	pinctrl-0 = <&eusart1_default>;
+	pinctrl-names = "default";
+	status = "okay";
+	cs-gpios = <&gpioc 0 GPIO_ACTIVE_LOW>;
+	slow@0 {
+		compatible = "test-spi-loopback-slow";
+		reg = <0>;
+		spi-max-frequency = <500000>;
+	};
+	fast@1 {
+		compatible = "test-spi-loopback-fast";
+		reg = <1>;
+		spi-max-frequency = <10000000>;
+	};
+};
+
+&dma0 {
+	status = "okay";
+};

tests/drivers/spi/spi_loopback/testcase.yaml

@@ -289,6 +289,7 @@ tests:
     filter: CONFIG_SOC_FAMILY_SILABS_S2
     platform_allow:
       - xg24_rb4187c
+      - xg29_rb4412a
     extra_configs:
       - CONFIG_SPI_SILABS_EUSART_DMA=n
       - CONFIG_SPI_ASYNC=n
@@ -296,6 +297,7 @@ tests:
     filter: CONFIG_SOC_FAMILY_SILABS_S2
     platform_allow:
       - xg24_rb4187c
+      - xg29_rb4412a
     extra_configs:
       - CONFIG_SPI_SILABS_EUSART_DMA=y
       - CONFIG_SPI_ASYNC=n

tests/drivers/uart/uart_async_api/boards/xg29_rb4412a.overlay

@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2025, Silicon Laboratories Inc.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/*
+ * Connect EXP4 (PC0) and EXP6 (PC1) of the Expansion Pin header
+ */
+/ {
+	chosen {
+		zephyr,console = &eusart0;
+		zephyr,shell-uart = &eusart0;
+		zephyr,uart-pipe = &eusart0;
+	};
+};
+
+&pinctrl{
+	usart0_default: usart0_default {
+		group0 {
+			pins = <USART0_TX_PC0>; /* WPK EXP4 (PC0) */
+			drive-push-pull;
+			output-high;
+		};
+		group1 {
+			pins = <USART0_RX_PC1>; /* WPK EXP6 (PC1) */
+			input-enable;
+			silabs,input-filter;
+		};
+	};
+	eusart0_default: eusart0_default {
+		group0 {
+			pins = <EUSART0_TX_PA5>;
+			drive-push-pull;
+			output-high;
+		};
+		group1 {
+			pins = <EUSART0_RX_PA6>;
+			input-enable;
+			silabs,input-filter;
+		};
+	};
+};
+
+dut: &usart0 {
+	dmas = <&dma0 DMA_REQSEL_USART0TXBL>,
+	       <&dma0 DMA_REQSEL_USART0RXDATAV>;
+	dma-names = "tx", "rx";
+	pinctrl-0 = <&usart0_default>;
+	pinctrl-names = "default";
+	current-speed = <115200>;
+	status = "okay";
+};
+
+&eusart0 {
+	compatible = "silabs,eusart-uart";
+	current-speed = <115200>;
+	pinctrl-0 = <&eusart0_default>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
+&dma0 {
+	status = "okay";
+};
+
+&eusart1 {
+	status = "disabled";
+};
+
+&usart1 {
+	status = "disabled";
+};

tests/kernel/mem_protect/mem_protect/testcase.yaml

@@ -26,6 +26,7 @@ tests:
       - slwrb4180a
       - mps3/corstone300/an547
       - nrf9160dk/nrf9160
+      - xg29_rb4412a
     integration_platforms:
       - mps3/corstone300/an547
     extra_args: CONFIG_MPU_GAP_FILLING=y

tests/kernel/threads/no-multithreading/testcase.yaml

@@ -10,6 +10,7 @@ tests:
       - nrf52840dk/nrf52840
       - nrf9160dk/nrf9160
       - nrf51dk/nrf51822
+      - xg29_rb4412a
       - nsim/nsim_em
       - nsim/nsim_em7d_v22
       - nsim/nsim_hs

tests/subsys/pm/power_mgmt_soc/testcase.yaml

@@ -13,6 +13,7 @@ tests:
       - rd_rw612_bga
       - frdm_ke17z
       - frdm_ke17z512
+      - xg29_rb4412a
     tags: pm
     integration_platforms:
       - mec15xxevb_assy6853