boards: saml21_xpro: Convert to HWMv2

Port the board to HWMv2.

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

boards/atmel/sam0/saml21_xpro/Kconfig.saml21_xpro

@@ -0,0 +1,6 @@
+# Copyright (c) 2021 Argentum Systems Ltd.
+# Copyright (c) 2024 Gerson Fernando Budke <nandojve@gmail.com>
+# SPDX-License-Identifier: Apache-2.0
+
+config BOARD_SAML21_XPRO
+	select SOC_SAML21J18B

boards/atmel/sam0/saml21_xpro/board.yml

@@ -0,0 +1,5 @@
+board:
+  name: saml21_xpro
+  vendor: atmel
+  socs:
+    - name: saml21j18b

boards/atmel/sam0/saml21_xpro/doc/index.rst

@@ -1,4 +1,4 @@
- .. _atsaml21_xpro:
+ .. _saml21_xpro:
 
 SAM L21 Xplained Pro Evaluation Kit
 ###################################
@@ -14,12 +14,12 @@ hardware.
 
 .. image:: img/atsaml21-xpro.jpg
      :align: center
-     :alt: ATSAML21-XPRO
+     :alt: SAML21-XPRO
 
 Hardware
 ********
 
-- ATSAML21J18 ARM Cortex-M0+ processor at 48 MHz
+- SAML21J18 ARM Cortex-M0+ processor at 48 MHz
 - 32.768 kHz crystal oscillator
 - 256 KiB flash memory, 32 KiB of SRAM, 8KB Low Power SRAM
 - One yellow user LED
@@ -30,7 +30,7 @@ Hardware
 Supported Features
 ==================
 
-The atsaml21_xpro board configuration supports the following hardware
+The saml21_xpro board configuration supports the following hardware
 features:
 
 .. list-table::
@@ -73,7 +73,7 @@ features:
 Other hardware features are not currently supported by Zephyr.
 
 The default configuration can be found in the Kconfig
-``boards/arm/atsaml21_xpro/atsaml21_xpro_defconfig``.
+``boards/atmel/sam0/saml21_xpro/saml21_xpro_defconfig``.
 
 Pin Mapping
 ===========
@@ -86,7 +86,7 @@ Xplained Pro Schematic`_.
 
 .. image:: img/atsaml21-xpro-pinout.jpg
      :align: center
-     :alt: ATSAML21-XPRO-pinout
+     :alt: SAML21-XPRO-pinout
 
 Default Zephyr Peripheral Mapping:
 ----------------------------------
@@ -154,7 +154,7 @@ Flashing
 
    .. zephyr-app-commands::
       :zephyr-app: samples/hello_world
-      :board: atsaml21_xpro
+      :board: saml21_xpro
       :goals: build
       :compact:
 
@@ -177,11 +177,11 @@ Flashing
 
    .. zephyr-app-commands::
       :zephyr-app: samples/hello_world
-      :board: atsaml21_xpro
+      :board: saml21_xpro
       :goals: flash
       :compact:
 
-   You should see "Hello World! atsaml21_xpro" in your terminal.
+   You should see "Hello World! saml21_xpro" in your terminal.
 
 References
 **********

boards/atmel/sam0/saml21_xpro/saml21_xpro.dts

@@ -6,12 +6,12 @@
 
 /dts-v1/;
 #include <atmel/saml21.dtsi>
-#include "atsaml21_xpro-pinctrl.dtsi"
+#include "saml21_xpro-pinctrl.dtsi"
 #include <zephyr/dt-bindings/input/input-event-codes.h>
 
 / {
 	model = "SAM L21 Xplained Pro";
-	compatible = "atsaml21,xpro", "atmel,saml21j18b", "atmel,saml21";
+	compatible = "saml21,xpro", "atmel,saml21j18b", "atmel,saml21";
 
 	chosen {
 		zephyr,console = &sercom3;

boards/atmel/sam0/saml21_xpro/saml21_xpro.yaml

@@ -1,15 +1,16 @@
 # Copyright (c) 2021 Argentum Systems Ltd.
+# Copyright (c) 2024 Gerson Fernando Budke <nandojve@gmail.com>
 # SPDX-License-Identifier: Apache-2.0
-identifier: atsaml21_xpro
+identifier: saml21_xpro
 name: SAM L21 Xplained Pro
 type: mcu
 arch: arm
-ram: 32
-flash: 256
 toolchain:
   - zephyr
   - gnuarmemb
   - xtools
+flash: 256
+ram: 32
 supported:
   - adc
   - counter

boards/atmel/sam0/saml21_xpro/saml21_xpro_defconfig

@@ -1,15 +1,13 @@
 # Copyright (c) 2021 Argentum Systems Ltd.
+# Copyright (c) 2024 Gerson Fernando Budke <nandojve@gmail.com>
 # SPDX-License-Identifier: Apache-2.0
 
-CONFIG_SOC_SERIES_SAML21=y
-CONFIG_SOC_PART_NUMBER_SAML21J18B=y
 CONFIG_SOC_ATMEL_SAML_XOSC32K=y
 CONFIG_SOC_ATMEL_SAML_XOSC32K_AS_MAIN=y
-CONFIG_BOARD_ATSAML21_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/atsaml21_xpro/Kconfig.board

@@ -1,8 +0,0 @@
-# SAM L21 Xplained Pro board configuration
-
-# Copyright (c) 2021 Argentum Systems Ltd.
-# SPDX-License-Identifier: Apache-2.0
-
-config BOARD_ATSAML21_XPRO
-	bool "SAM L21 Xplained Pro"
-	depends on SOC_PART_NUMBER_SAML21J18B

boards/boards_legacy/arm/atsaml21_xpro/Kconfig.defconfig

@@ -1,8 +0,0 @@
-# SAM L21 Xplained Pro board configuration
-
-# Copyright (c) 2021 Argentum Systems Ltd.
-# SPDX-License-Identifier: Apache-2.0
-
-config BOARD
-	default "atsaml21_xpro"
-	depends on BOARD_ATSAML21_XPRO