boards: Add MAX32657EVKit board

This commit add secure board of MAX32657.
Only GPIO and UART drivers have been enabled.

To build:
- west build -b max32657evkit/max32657 -p

Co-authored-by:: Furkan Akkiz <[email protected]>
Signed-off-by: Sadik Ozer <[email protected]>

Author: ozersa

boards/adi/max32657evkit/Kconfig.defconfig

@@ -0,0 +1,25 @@
+# Copyright (c) 2024-2025 Analog Devices, Inc.
+# SPDX-License-Identifier: Apache-2.0
+
+if BOARD_MAX32657EVKIT
+
+# Code Partition:
+#
+# For the secure version of the board the firmware is linked at the beginning
+# of the flash, or into the code-partition defined in DT if it is intended to
+# be loaded by MCUboot. If the secure firmware is to be combined with a non-
+# secure image (TRUSTED_EXECUTION_SECURE=y), the secure FW image shall always
+# be restricted to the size of its code partition.
+#
+# For the non-secure version of the board, the firmware
+# must be linked into the code-partition (non-secure) defined in DT, regardless.
+# Apply this configuration below by setting the Kconfig symbols used by
+# the linker according to the information extracted from DT partitions.
+
+# Workaround for not being able to have commas in macro arguments
+DT_CHOSEN_Z_CODE_PARTITION := zephyr,code-partition
+
+config FLASH_LOAD_SIZE
+	default $(dt_chosen_reg_size_hex,$(DT_CHOSEN_Z_CODE_PARTITION))
+
+endif # BOARD_MAX32657EVKIT

boards/adi/max32657evkit/Kconfig.max32657evkit

@@ -0,0 +1,5 @@
+# Copyright (c) 2024-2025 Analog Devices, Inc.
+# SPDX-License-Identifier: Apache-2.0
+
+config BOARD_MAX32657EVKIT
+	select SOC_MAX32657 if BOARD_MAX32657EVKIT_MAX32657

boards/adi/max32657evkit/board.cmake

@@ -0,0 +1,7 @@
+# Copyright (c) 2024-2025 Analog Devices, Inc.
+# SPDX-License-Identifier: Apache-2.0
+
+board_runner_args(openocd --cmd-pre-init "source [find interface/jlink.cfg]")
+board_runner_args(openocd --cmd-pre-init "source [find target/max32657.cfg]")
+
+include(${ZEPHYR_BASE}/boards/common/openocd.board.cmake)

boards/adi/max32657evkit/board.yml

@@ -0,0 +1,8 @@
+# Copyright (c) 2024-2025 Analog Devices, Inc.
+# SPDX-License-Identifier: Apache-2.0
+
+board:
+  name: max32657evkit
+  vendor: adi
+  socs:
+  - name: max32657

boards/adi/max32657evkit/doc/img/max32657evkit.webp

@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2024-2025 Analog Devices, Inc.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/dts-v1/;
+
+#include <adi/max32/max32657.dtsi>
+#include "max32657evkit_max32657_common.dtsi"
+
+/ {
+	 chosen {
+		 zephyr,sram = &secure_ram;
+		 zephyr,flash = &flash0;
+		 zephyr,code-partition = &slot0_partition;
+	 };
+
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		secure_ram: partition@30000000 {
+			label = "secure-memory";
+			reg = <0x30000000 DT_SIZE_K(256)>;
+		};
+	};
+};
+
+&flash0 {
+	partitions {
+		compatible = "fixed-partitions";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		slot0_partition: partition@0 {
+			label = "image-0";
+			reg = <0x0 DT_SIZE_K(960)>;
+			read-only;
+		};
+
+		storage_partition: partition@f0000 {
+			label = "storage";
+			reg = <0xf0000 DT_SIZE_K(64)>;
+		};
+	};
+};

boards/adi/max32657evkit/doc/index.rst

@@ -0,0 +1,13 @@
+identifier: max32657evkit/max32657
+name: max32657evkit-max32657
+vendor: adi
+type: mcu
+arch: arm
+toolchain:
+  - zephyr
+  - gnuarmemb
+supported:
+  - serial
+  - gpio
+ram: 256
+flash: 960

boards/adi/max32657evkit/max32657evkit_max32657.dts

@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2024-2025 Analog Devices, Inc.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <adi/max32/max32657-pinctrl.dtsi>
+#include <zephyr/dt-bindings/gpio/gpio.h>
+#include <zephyr/dt-bindings/gpio/adi-max32-gpio.h>
+#include <zephyr/dt-bindings/input/input-event-codes.h>
+
+/ {
+	model = "Analog Devices MAX32657EVKIT";
+	compatible = "adi,max32657evkit";
+
+	chosen {
+		zephyr,console = &uart0;
+		zephyr,shell-uart = &uart0;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led1: led_1 {
+			gpios = <&gpio0 13 GPIO_ACTIVE_HIGH>;
+			label = "Green LED";
+		};
+	};
+
+	buttons {
+		compatible = "gpio-keys";
+
+		pb1: pb1 {
+			gpios = <&gpio0 12 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
+			label = "SW2";
+			zephyr,code = <INPUT_KEY_0>;
+		};
+	};
+
+	/* These aliases are provided for compatibility with samples */
+	aliases {
+		led0 = &led1;
+		sw0 = &pb1;
+	};
+};
+
+&uart0 {
+	pinctrl-0 = <&uart0_tx_p0_9 &uart0_rx_p0_5>;
+	pinctrl-names = "default";
+	current-speed = <115200>;
+	data-bits = <8>;
+	parity = "none";
+	status = "okay";
+};
+
+&clk_ipo {
+	status = "okay";
+};
+
+&gpio0 {
+	status = "okay";
+};

boards/adi/max32657evkit/max32657evkit_max32657.yaml

@@ -0,0 +1,16 @@
+# Copyright (c) 2024-2025 Analog Devices, Inc.
+# SPDX-License-Identifier: Apache-2.0
+
+# Enable GPIO
+CONFIG_GPIO=y
+
+# Console
+CONFIG_CONSOLE=y
+CONFIG_UART_CONSOLE=y
+
+# Enable UART
+CONFIG_SERIAL=y
+CONFIG_UART_INTERRUPT_DRIVEN=y
+
+# It is secure fw, enable flags
+CONFIG_TRUSTED_EXECUTION_SECURE=y