boards: samd21_xpro: Convert to HWMv2

Port the board to HWMv2.

Signed-off-by: Gerson Fernando Budke <nandojve@gmail.com>

boards/atmel/sam0/samd21_xpro/Kconfig.samd21_xpro

@@ -0,0 +1,6 @@
+# Copyright (c) 2018 Bryan O'Donoghue
+# Copyright (c) 2024 Gerson Fernando Budke <nandojve@gmail.com>
+# SPDX-License-Identifier: Apache-2.0
+
+config BOARD_SAMD21_XPRO
+	select SOC_SAMD21J18A

boards/atmel/sam0/samd21_xpro/board.yml

@@ -0,0 +1,5 @@
+board:
+  name: samd21_xpro
+  vendor: atmel
+  socs:
+    - name: samd21j18a

boards/atmel/sam0/samd21_xpro/doc/index.rst

@@ -1,4 +1,4 @@
-.. _atsamd21_xpro:
+.. _samd21_xpro:
 
 SAM D21 Xplained Pro Evaluation Kit
 ###################################
@@ -15,14 +15,14 @@ hardware.
 .. figure:: img/atsamd21_xpro.jpg
     :width: 500px
     :align: center
-    :alt: ATSAMD21-XPRO
+    :alt: SAMD21-XPRO
 
-    ATSAMD21-XPRO (Credit: `Microchip Technology`_)
+    SAMD21-XPRO (Credit: `Microchip Technology`_)
 
 Hardware
 ********
 
-- ATSAMD21J18 ARM Cortex-M0+ processor at 48 MHz
+- SAMD21J18 ARM Cortex-M0+ processor at 48 MHz
 - 32.768 kHz crystal oscillator
 - 256 KiB flash memory and 32 KiB of RAM
 - One yellow user LED
@@ -33,7 +33,7 @@ Hardware
 Supported Features
 ==================
 
-The atsamd21_xpro board configuration supports the following hardware
+The samd21_xpro board configuration supports the following hardware
 features:
 
 .. list-table::
@@ -79,7 +79,7 @@ features:
 Other hardware features are not currently supported by Zephyr.
 
 The default configuration can be found in the Kconfig
-``boards/arm/atsamd21_xpro/atsamd21_xpro_defconfig``.
+``boards/atmel/sam0/samd21_xpro/samd21_xpro_defconfig``.
 
 Pin Mapping
 ===========
@@ -92,7 +92,7 @@ Xplained Pro Schematic`_.
 
 .. image:: img/ATSAMD21-XPRO-pinout.jpg
      :align: center
-     :alt: ATSAMD21-XPRO-pinout
+     :alt: SAMD21-XPRO-pinout
 
 Default Zephyr Peripheral Mapping:
 ----------------------------------
@@ -155,7 +155,7 @@ Flashing
 
    .. zephyr-app-commands::
       :zephyr-app: samples/hello_world
-      :board: atsamd21_xpro
+      :board: samd21_xpro
       :goals: build
       :compact:
 
@@ -181,11 +181,11 @@ Flashing
 
    .. zephyr-app-commands::
       :zephyr-app: samples/hello_world
-      :board: atsamd21_xpro
+      :board: samd21_xpro
       :goals: flash
       :compact:
 
-   You should see "Hello World! atsamd21_xpro" in your terminal.
+   You should see "Hello World! samd21_xpro" in your terminal.
 
 References
 **********

boards/atmel/sam0/samd21_xpro/pre_dt_board.cmake

@@ -1,6 +1,9 @@
 # Copyright (c) 2021 Linaro Limited
 # SPDX-License-Identifier: Apache-2.0
 
+# SPI is implemented via sercom so node name isn't spi@...
+list(APPEND EXTRA_DTC_FLAGS "-Wno-spi_bus_bridge")
+
 # Suppress "unique_unit_address_if_enabled" to handle the following overlaps:
 # - /soc/pinmux@41004400 & /soc/gpio@41004400
 # - /soc/pinmux@41004480 & /soc/gpio@41004480

boards/atmel/sam0/samd21_xpro/samd21_xpro.dts

@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2018 Bryan O'Donoghue
+ * Copyright (c) 2024 Gerson Fernando Budke <nandojve@gmail.com>
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -8,12 +9,12 @@
 #include <freq.h>
 #include <atmel/samd21.dtsi>
 #include <atmel/samx2xx18.dtsi>
-#include "atsamd21_xpro-pinctrl.dtsi"
+#include "samd21_xpro-pinctrl.dtsi"
 #include <zephyr/dt-bindings/input/input-event-codes.h>
 
 / {
 	model = "SAM D21 Xplained Pro";
-	compatible = "atsamd21,xpro", "atmel,samd21j18a", "atmel,samd21";
+	compatible = "samd21,xpro", "atmel,samd21j18a", "atmel,samd21";
 
 	chosen {
 		zephyr,console = &sercom3;

boards/atmel/sam0/samd21_xpro/samd21_xpro.yaml

@@ -1,15 +1,16 @@
 # Copyright (c) 2018 Bryan O'Donoghue
+# Copyright (c) 2024 Gerson Fernando Budke <nandojve@gmail.com>
 # SPDX-License-Identifier: Apache-2.0
-identifier: atsamd21_xpro
+identifier: samd21_xpro
 name: SAM D21 Xplained Pro
 type: mcu
 arch: arm
-ram: 32
-flash: 256
 toolchain:
   - zephyr
   - gnuarmemb
   - xtools
+flash: 256
+ram: 32
 supported:
   - adc
   - counter

boards/atmel/sam0/samd21_xpro/samd21_xpro_defconfig

@@ -1,15 +1,13 @@
 # Copyright (c) 2018 Bryan O'Donoghue
+# Copyright (c) 2024 Gerson Fernando Budke <nandojve@gmail.com>
 # SPDX-License-Identifier: Apache-2.0
 
-CONFIG_SOC_SERIES_SAMD21=y
-CONFIG_SOC_PART_NUMBER_SAMD21J18A=y
 CONFIG_SOC_ATMEL_SAMD_XOSC32K=y
 CONFIG_SOC_ATMEL_SAMD_XOSC32K_AS_MAIN=y
-CONFIG_BOARD_ATSAMD21_XPRO=y
+
 CONFIG_BUILD_OUTPUT_HEX=y
 
 CONFIG_CONSOLE=y
-CONFIG_GPIO=y
 CONFIG_SERIAL=y
 CONFIG_UART_CONSOLE=y
 CONFIG_UART_INTERRUPT_DRIVEN=y

boards/boards_legacy/arm/atsamd21_xpro/Kconfig.board

@@ -1,8 +0,0 @@
-# SAM D21 Xplained Pro Board configuration
-
-# Copyright (c) 2018 Bryan O'Donoghue
-# SPDX-License-Identifier: Apache-2.0
-
-config BOARD_ATSAMD21_XPRO
-	bool "SAM D21 Xplained Pro"
-	depends on SOC_PART_NUMBER_SAMD21J18A

boards/boards_legacy/arm/atsamd21_xpro/Kconfig.defconfig

@@ -1,8 +0,0 @@
-# SAM D21 Xplained Pro board configuration
-
-# Copyright (c) 2018 Bryan O'Donoghue
-# SPDX-License-Identifier: Apache-2.0
-
-config BOARD
-	default "atsamd21_xpro"
-	depends on BOARD_ATSAMD21_XPRO