arch/arm/src/sam2l2: CMake build implemented for Microchip's SAM D/L Family

- added Microchip's SAM D/L

Signed-off-by: simbit18 <simbit18@gmail.com>

arch/arm/src/samd2l2/CMakeLists.txt

@@ -0,0 +1,88 @@
+# ##############################################################################
+# arch/arm/src/samd2l2/CMakeLists.txt
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more contributor
+# license agreements.  See the NOTICE file distributed with this work for
+# additional information regarding copyright ownership.  The ASF licenses this
+# file to you under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License.  You may obtain a copy of
+# the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+# License for the specific language governing permissions and limitations under
+# the License.
+#
+# ##############################################################################
+
+list(
+  APPEND
+  SRCS
+  sam_irq.c
+  sam_lowputc.c
+  sam_port.c
+  sam_sercom.c
+  sam_serial.c
+  sam_start.c
+  sam_usart.c)
+
+# Configuration-dependent SAM D/L files
+
+if(CONFIG_ARCH_FAMILY_SAMD20)
+  list(APPEND SRCS samd_clockconfig.c samd_gclk.c)
+elseif(CONFIG_ARCH_FAMILY_SAMD21)
+  list(APPEND SRCS samd_clockconfig.c samd_gclk.c)
+elseif(CONFIG_ARCH_FAMILY_SAML21)
+  list(APPEND SRCS saml_clockconfig.c saml_gclk.c)
+endif()
+
+if(NOT CONFIG_ARCH_IDLE_CUSTOM)
+  list(APPEND SRCS sam_idle.c)
+endif()
+
+if(NOT CONFIG_SCHED_TICKLESS)
+  list(APPEND SRCS sam_timerisr.c)
+endif()
+
+if(CONFIG_BUILD_PROTECTED)
+  list(APPEND SRCS sam_userspace.c)
+endif()
+
+if(CONFIG_ARCH_IRQPRIO)
+  list(APPEND SRCS sam_irqprio.c)
+endif()
+
+if(CONFIG_SAMD2L2_ADC)
+  list(APPEND SRCS sam_adc.c)
+endif()
+
+if(CONFIG_SAMD2L2_DMAC)
+  list(APPEND SRCS sam_dmac.c)
+endif()
+
+if(CONFIG_SAMD2L2_HAVE_SPI)
+  list(APPEND SRCS sam_spi.c)
+endif()
+
+if(CONFIG_SAMD2L2_HAVE_I2C)
+  list(APPEND SRCS sam_i2c_master.c)
+endif()
+
+if(CONFIG_SAMD2L2_USB)
+  list(APPEND SRCS sam_usb.c)
+endif()
+
+if(CONFIG_SAMD2L2_EIC)
+  list(APPEND SRCS sam_eic.c)
+endif()
+
+if(CONFIG_SAMD2L2_AC)
+  list(APPEND SRCS sam_ac.c)
+endif()
+
+target_sources(arch PRIVATE ${SRCS})