boards: nxp: add imx93_evk M33 support

Added basic board support for imx93_evk M33.

(cherry picked from commit 71fa64c)

Original-Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
GitOrigin-RevId: 71fa64c
Cr-Build-Id: 8738910416953667585
Cr-Build-Url: https://cr-buildbucket.appspot.com/build/8738910416953667585
Copybot-Job-Name: zephyr-main-copybot-downstream
Change-Id: If3d67a45900643493a3bd0025f1fd1e6a33376d0
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/zephyr/+/5806812
Tested-by: ChromeOS Prod (Robot) <chromeos-ci-prod@chromeos-bot.iam.gserviceaccount.com>
Reviewed-by: Eric Yilun Lin <yllin@google.com>
Commit-Queue: Eric Yilun Lin <yllin@google.com>
Tested-by: Eric Yilun Lin <yllin@google.com>

boards/nxp/imx93_evk/Kconfig.imx93_evk

@@ -3,4 +3,5 @@
 
 config BOARD_IMX93_EVK
  select SOC_MIMX9352_A55 if BOARD_IMX93_EVK_MIMX9352_A55
+ select SOC_MIMX9352_M33 if BOARD_IMX93_EVK_MIMX9352_M33
  select SOC_PART_NUMBER_MIMX9352DVVXM

boards/nxp/imx93_evk/doc/index.rst

@@ -1,7 +1,7 @@
 .. _imx93_evk:
 
-NXP i.MX93 EVK (Cortex-A55)
-############################
+NXP i.MX93 EVK
+##############
 
 Overview
 ********
@@ -71,19 +71,39 @@ hardware features:
 | ENET | on-chip | ethernet port |
 +-----------+------------+-------------------------------------+
 
+The Zephyr imx93_evk board Cortex-M33 configuration supports the following
+hardware features:
+
++-----------+------------+-------------------------------------+
+| Interface | Controller | Driver/Component |
++===========+============+=====================================+
+| NVIC | on-chip | interrupt controller |
++-----------+------------+-------------------------------------+
+| SYSTICK | on-chip | systick |
++-----------+------------+-------------------------------------+
+| CLOCK | on-chip | clock_control |
++-----------+------------+-------------------------------------+
+| PINMUX | on-chip | pinmux |
++-----------+------------+-------------------------------------+
+| UART | on-chip | serial port |
++-----------+------------+-------------------------------------+
+| GPIO | on-chip | GPIO |
++-----------+------------+-------------------------------------+
+
 Devices
 ========
 System Clock
 ------------
 
 This board configuration uses a system clock frequency of 24 MHz.
 Cortex-A55 Core runs up to 1.7 GHz.
+Cortex-M33 Core runs up to 200MHz in which SYSTICK runs on same frequency.
 
 Serial Port
 -----------
 
 This board configuration uses a single serial communication channel with the
-CPU's UART4.
+CPU's UART2 for A55 core and M33 core.
 
 Board MUX Control
 -----------------
@@ -114,8 +134,8 @@ over dts config. For instance, if ``CONFIG_CAN`` is enabled, MUX A is selected
 even if ``mux="B";`` is configured in dts, and an warning would be reported in
 the log.
 
-Programming and Debugging
-*************************
+Programming and Debugging (A55)
+*******************************
 
 Copy the compiled ``zephyr.bin`` to the first FAT partition of the SD card and
 plug the SD card into the board. Power it up and stop the u-boot execution at
@@ -145,7 +165,7 @@ for example, with the :zephyr:code-sample:`synchronization` sample:
  :goals: run
 
 This will build an image with the synchronization sample app, boot it and
-display the following ram console output:
+display the following console output:
 
 .. code-block:: console
 
@@ -155,6 +175,45 @@ display the following ram console output:
  thread_a: Hello World from cpu 0 on mimx93_evk_a55!
  thread_b: Hello World from cpu 0 on mimx93_evk_a55!
 
+Programming and Debugging (M33)
+*******************************
+
+Copy the compiled ``zephyr.bin`` to the first FAT partition of the SD card and
+plug the SD card into the board. Power it up and stop the u-boot execution at
+prompt.
+
+Use U-Boot to load and kick zephyr.bin to Cortex-M33 Core:
+
+.. code-block:: console
+
+ load mmc 1:1 0x80000000 zephyr.bin;cp.b 0x80000000 0x201e0000 0x30000;bootaux 0x1ffe0000 0
+
+Use this configuration to run basic Zephyr applications and kernel tests,
+for example, with the :zephyr:code-sample:`synchronization` sample:
+
+.. zephyr-app-commands::
+ :zephyr-app: samples/synchronization
+ :host-os: unix
+ :board: imx93_evk/mimx9352/m33
+ :goals: run
+
+This will build an image with the synchronization sample app, boot it and
+display the following console output:
+
+.. code-block:: console
+
+ *** Booting Zephyr OS build v3.7.0-684-g71a7d05ba60a ***
+ thread_a: Hello World from cpu 0 on imx93_evk!
+ thread_b: Hello World from cpu 0 on imx93_evk!
+ thread_a: Hello World from cpu 0 on imx93_evk!
+ thread_b: Hello World from cpu 0 on imx93_evk!
+
+To make a container image flash.bin with ``zephyr.bin`` for SD/eMMC programming and booting
+from BootROM. Refer to user manual of i.MX93 `MCUX SDK release`_.
+
+.. _MCUX SDK release:
+ https://mcuxpresso.nxp.com/
+
 References
 ==========
 

boards/nxp/imx93_evk/imx93_evk_mimx9352_m33.dts

@@ -0,0 +1,83 @@
+/*
+ * Copyright 2024 NXP
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/dts-v1/;
+
+#include <nxp/nxp_imx93_m33.dtsi>
+#include "imx93_evk-pinctrl.dtsi"
+
+/ {
+ model = "NXP i.MX93 EVK board";
+ compatible = "nxp,imx93_evk";
+
+ chosen {
+ /* TCM */
+ zephyr,flash = &itcm;
+ zephyr,sram = &dtcm;
+
+ zephyr,console = &lpuart2;
+ zephyr,shell-uart = &lpuart2;
+ };
+
+ aliases {
+ led0 = &led_r;
+ led1 = &led_g;
+ sw0 = &btn_1;
+ };
+
+ leds {
+ compatible = "gpio-leds";
+ led_r: led_r {
+ label = "LED_R";
+ gpios = <&gpio2 13 GPIO_ACTIVE_HIGH>;
+ };
+ led_g: led_g {
+ label = "LED_G";
+ gpios = <&gpio2 4 GPIO_ACTIVE_HIGH>;
+ };
+ led_b: led_b {
+ label = "LED_B";
+ gpios = <&gpio2 12 GPIO_ACTIVE_HIGH>;
+ };
+ };
+
+ keys {
+ compatible = "gpio-keys";
+
+ btn_1: btn_1{
+ label = "BTN1";
+ gpios = <&gpio2 23 GPIO_ACTIVE_LOW>;
+ };
+
+ btn_2: btn_2{
+ label = "BTN2";
+ gpios = <&gpio2 24 GPIO_ACTIVE_LOW>;
+ };
+ };
+};
+
+&lpuart2 {
+ status = "okay";
+ current-speed = <115200>;
+ pinctrl-0 = <&uart2_default>;
+ pinctrl-names = "default";
+};
+
+&gpio1 {
+ status = "okay";
+};
+
+&gpio2 {
+ status = "okay";
+};
+
+&gpio3 {
+ status = "okay";
+};
+
+&gpio4 {
+ status = "okay";
+};

boards/nxp/imx93_evk/imx93_evk_mimx9352_m33.yaml

@@ -0,0 +1,16 @@
+# Copyright 2024 NXP
+# SPDX-License-Identifier: Apache-2.0
+
+identifier: imx93_evk/mimx9352/m33
+name: NXP i.MX93 EVK M33
+type: mcu
+arch: arm
+toolchain:
+ - zephyr
+ - cross-compile
+ram: 128
+flash: 128
+supported:
+ - gpio
+ - uart
+vendor: nxp

boards/nxp/imx93_evk/imx93_evk_mimx9352_m33_defconfig

@@ -0,0 +1,10 @@
+# Copyright 2024 NXP
+# SPDX-License-Identifier: Apache-2.0
+
+CONFIG_CLOCK_CONTROL=y
+CONFIG_PINCTRL=y
+CONFIG_SERIAL=y
+CONFIG_UART_CONSOLE=y
+CONFIG_UART_INTERRUPT_DRIVEN=y
+CONFIG_CONSOLE=y
+CONFIG_XIP=y