drivers: can: Add max32xxx CAN driver

This commit adds CAN driver for max32xxx.

Signed-off-by: Anıl Kara <anil.kara@analog.com>

Author: karaanil

drivers/can/CMakeLists.txt

@@ -17,6 +17,7 @@ zephyr_library_sources_ifdef(CONFIG_CAN_ESP32_TWAI          can_esp32_twai.c)
 zephyr_library_sources_ifdef(CONFIG_CAN_FAKE                can_fake.c)
 zephyr_library_sources_ifdef(CONFIG_CAN_KVASER_PCI          can_kvaser_pci.c)
 zephyr_library_sources_ifdef(CONFIG_CAN_LOOPBACK            can_loopback.c)
+zephyr_library_sources_ifdef(CONFIG_CAN_MAX32               can_max32.c)
 zephyr_library_sources_ifdef(CONFIG_CAN_MCAN                can_mcan.c)
 zephyr_library_sources_ifdef(CONFIG_CAN_MCP2515             can_mcp2515.c)
 zephyr_library_sources_ifdef(CONFIG_CAN_MCP251XFD           can_mcp251xfd.c)

drivers/can/Kconfig

@@ -131,6 +131,7 @@ source "drivers/can/Kconfig.xmc4xxx"
 source "drivers/can/Kconfig.nrf"
 source "drivers/can/Kconfig.renesas_ra"
 source "drivers/can/Kconfig.renesas_rz"
+source "drivers/can/Kconfig.max32"
 
 source "drivers/can/transceiver/Kconfig"
 

drivers/can/Kconfig.max32

@@ -0,0 +1,20 @@
+# Copyright (c) 2024 Analog Devices, Inc.
+# SPDX-License-Identifier: Apache-2.0
+
+config CAN_MAX32
+	bool "ADI MAX32 CAN Driver"
+	default y
+	depends on DT_HAS_ADI_MAX32_CAN_ENABLED
+	help
+	  Enable ADI MAX32 CAN Driver
+
+if CAN_MAX32
+
+config CAN_MAX_FILTER
+	int "Maximum number of concurrent active filters"
+	default 5
+	range 1 32
+	help
+	  Maximum number of filters supported by the can_add_rx_callback() API call.
+
+endif # CAN_MAX32