diff --git a/configs/all_handlers_defconfig b/configs/all_handlers_defconfig
index 5599ebf..1f7b668 100644
--- a/configs/all_handlers_defconfig
+++ b/configs/all_handlers_defconfig
@@ -1,3 +1,5 @@
+# SPDX-FileCopyrightText: 2021 Stefano Babic <sbabic@denx.de>
+# SPDX-License-Identifier: CC0-1.0
 CONFIG_HW_COMPATIBILITY=y
 CONFIG_LUAPKG="lua5.2"
 CONFIG_EXTRA_CFLAGS="-g"
diff --git a/configs/bootloader_ebg_defconfig b/configs/bootloader_ebg_defconfig
index 691b3cf..b7b36d3 100644
--- a/configs/bootloader_ebg_defconfig
+++ b/configs/bootloader_ebg_defconfig
@@ -1,3 +1,5 @@
+# SPDX-FileCopyrightText: 2021 Christian Storm <christian.storm@siemens.com>
+# SPDX-License-Identifier: CC0-1.0
 CONFIG_SYSTEMD=y
 CONFIG_HW_COMPATIBILITY=y
 CONFIG_HW_COMPATIBILITY_FILE="tests/etc/hwrevision"
diff --git a/configs/bootloader_grub_defconfig b/configs/bootloader_grub_defconfig
index cb88e68..08b8e7f 100644
--- a/configs/bootloader_grub_defconfig
+++ b/configs/bootloader_grub_defconfig
@@ -1,3 +1,5 @@
+# SPDX-FileCopyrightText: 2021 Stefano Babic <sbabic@denx.de>
+# SPDX-License-Identifier: CC0-1.0
 CONFIG_SYSTEMD=y
 CONFIG_HW_COMPATIBILITY=y
 CONFIG_HW_COMPATIBILITY_FILE="tests/etc/hwrevision"
diff --git a/configs/bootloader_uboot_defconfig b/configs/bootloader_uboot_defconfig
index 848db59..f9ebffc 100644
--- a/configs/bootloader_uboot_defconfig
+++ b/configs/bootloader_uboot_defconfig
@@ -1,3 +1,5 @@
+# SPDX-FileCopyrightText: 2021 Stefano Babic <sbabic@denx.de>
+# SPDX-License-Identifier: CC0-1.0
 CONFIG_SYSTEMD=y
 CONFIG_HW_COMPATIBILITY=y
 CONFIG_HW_COMPATIBILITY_FILE="tests/etc/hwrevision"
diff --git a/configs/cms1_defconfig b/configs/cms1_defconfig
index 73e1000..a512edf 100644
--- a/configs/cms1_defconfig
+++ b/configs/cms1_defconfig
@@ -1,3 +1,5 @@
+# SPDX-FileCopyrightText: 2021 Stefano Babic <sbabic@denx.de>
+# SPDX-License-Identifier: CC0-1.0
 CONFIG_HW_COMPATIBILITY=y
 # CONFIG_MTD is not set
 CONFIG_LUAPKG="lua5.2"
diff --git a/configs/cms_defconfig b/configs/cms_defconfig
index 23b0b53..1d67742 100644
--- a/configs/cms_defconfig
+++ b/configs/cms_defconfig
@@ -1,3 +1,5 @@
+# SPDX-FileCopyrightText: 2021 Stefano Babic <sbabic@denx.de>
+# SPDX-License-Identifier: CC0-1.0
 CONFIG_HW_COMPATIBILITY=y
 # CONFIG_MTD is not set
 CONFIG_LUAPKG="lua5.2"
diff --git a/configs/hawkbit_defconfig b/configs/hawkbit_defconfig
index f90485b..ccfbd58 100644
--- a/configs/hawkbit_defconfig
+++ b/configs/hawkbit_defconfig
@@ -1,3 +1,5 @@
+# SPDX-FileCopyrightText: 2021 Stefano Babic <sbabic@denx.de>
+# SPDX-License-Identifier: CC0-1.0
 CONFIG_HW_COMPATIBILITY=y
 # CONFIG_MTD is not set
 CONFIG_LUAPKG="lua5.2"
diff --git a/configs/mbedtls_defconfig b/configs/mbedtls_defconfig
index 9837a83..7614fa3 100644
--- a/configs/mbedtls_defconfig
+++ b/configs/mbedtls_defconfig
@@ -1,3 +1,5 @@
+# SPDX-FileCopyrightText: 2021 Laszlo Ashin <laszlo@ashin.hu>
+# SPDX-License-Identifier: CC0-1.0
 CONFIG_HW_COMPATIBILITY=y
 # CONFIG_MTD is not set
 CONFIG_LUAPKG="lua5.2"
diff --git a/configs/no_ssl_defconfig b/configs/no_ssl_defconfig
index 9eaab52..e25b688 100644
--- a/configs/no_ssl_defconfig
+++ b/configs/no_ssl_defconfig
@@ -1,3 +1,5 @@
+# SPDX-FileCopyrightText: 2021 Stefano Babic <sbabic@denx.de>
+# SPDX-License-Identifier: CC0-1.0
 CONFIG_HW_COMPATIBILITY=y
 # CONFIG_MTD is not set
 CONFIG_LUAPKG="lua5.2"
diff --git a/configs/nodwl_defconfig b/configs/nodwl_defconfig
index eaac56d..c67546b 100644
--- a/configs/nodwl_defconfig
+++ b/configs/nodwl_defconfig
@@ -1,3 +1,5 @@
+# SPDX-FileCopyrightText: 2021 Stefano Babic <sbabic@denx.de>
+# SPDX-License-Identifier: CC0-1.0
 CONFIG_HW_COMPATIBILITY=y
 # CONFIG_MTD is not set
 CONFIG_LUAPKG="lua5.2"
diff --git a/configs/raspi_defconfig b/configs/raspi_defconfig
index 55ebf83..262d896 100644
--- a/configs/raspi_defconfig
+++ b/configs/raspi_defconfig
@@ -1,3 +1,5 @@
+# SPDX-FileCopyrightText: 2021 Stefano Babic <sbabic@denx.de>
+# SPDX-License-Identifier: CC0-1.0
 CONFIG_HW_COMPATIBILITY=y
 CONFIG_LUAPKG="lua5.2"
 CONFIG_BOOTLOADER_NONE=y
diff --git a/configs/sha256_defconfig b/configs/sha256_defconfig
index 4ad346d..fa43192 100644
--- a/configs/sha256_defconfig
+++ b/configs/sha256_defconfig
@@ -1,3 +1,5 @@
+# SPDX-FileCopyrightText: 2021 Stefano Babic <sbabic@denx.de>
+# SPDX-License-Identifier: CC0-1.0
 CONFIG_HW_COMPATIBILITY=y
 # CONFIG_MTD is not set
 CONFIG_LUAPKG="lua5.2"
diff --git a/configs/suricatta_http_defconfig b/configs/suricatta_http_defconfig
index 2026074..f995721 100644
--- a/configs/suricatta_http_defconfig
+++ b/configs/suricatta_http_defconfig
@@ -1,3 +1,5 @@
+# SPDX-FileCopyrightText: 2021 Stefano Babic <sbabic@denx.de>
+# SPDX-License-Identifier: CC0-1.0
 CONFIG_SYSTEMD=y
 CONFIG_HW_COMPATIBILITY=y
 CONFIG_LUAPKG="lua5.2"
diff --git a/configs/swuforwarder_defconfig b/configs/swuforwarder_defconfig
index f6dc631..3281a0a 100644
--- a/configs/swuforwarder_defconfig
+++ b/configs/swuforwarder_defconfig
@@ -1,3 +1,5 @@
+# SPDX-FileCopyrightText: 2021 Stefano Babic <sbabic@denx.de>
+# SPDX-License-Identifier: CC0-1.0
 CONFIG_HW_COMPATIBILITY=y
 # CONFIG_MTD is not set
 CONFIG_LUAPKG="lua5.2"
diff --git a/configs/test_defconfig b/configs/test_defconfig
index 473ffa7..2de31bc 100644
--- a/configs/test_defconfig
+++ b/configs/test_defconfig
@@ -1,3 +1,5 @@
+# SPDX-FileCopyrightText: 2021 Stefano Babic <sbabic@denx.de>
+# SPDX-License-Identifier: CC0-1.0
 CONFIG_HW_COMPATIBILITY=y
 # CONFIG_MTD is not set
 CONFIG_LUAPKG="lua5.2"
diff --git a/configs/with_ebg_defconfig b/configs/with_ebg_defconfig
index 2019f5e..acea3d2 100644
--- a/configs/with_ebg_defconfig
+++ b/configs/with_ebg_defconfig
@@ -1,3 +1,5 @@
+# SPDX-FileCopyrightText: 2021 Stefano Babic <sbabic@denx.de>
+# SPDX-License-Identifier: CC0-1.0
 CONFIG_HW_COMPATIBILITY=y
 # CONFIG_MTD is not set
 CONFIG_LUAPKG="lua5.2"
diff --git a/configs/with_lua_handlers_defconfig b/configs/with_lua_handlers_defconfig
index 7064787..7d662e8 100644
--- a/configs/with_lua_handlers_defconfig
+++ b/configs/with_lua_handlers_defconfig
@@ -1,3 +1,5 @@
+# SPDX-FileCopyrightText: 2021 Stefano Babic <sbabic@denx.de>
+# SPDX-License-Identifier: CC0-1.0
 CONFIG_HW_COMPATIBILITY=y
 CONFIG_LUAPKG="lua5.2"
 CONFIG_EXTRA_CFLAGS="-g"
diff --git a/configs/with_lua_nohandlers_defconfig b/configs/with_lua_nohandlers_defconfig
index ceef10f..352d311 100644
--- a/configs/with_lua_nohandlers_defconfig
+++ b/configs/with_lua_nohandlers_defconfig
@@ -1,3 +1,5 @@
+# SPDX-FileCopyrightText: 2021 Stefano Babic <sbabic@denx.de>
+# SPDX-License-Identifier: CC0-1.0
 CONFIG_HW_COMPATIBILITY=y
 CONFIG_LUAPKG="lua5.2"
 CONFIG_EXTRA_CFLAGS="-g"
diff --git a/configs/with_rdiff_defconfig b/configs/with_rdiff_defconfig
index 695b5dd..b4f4841 100644
--- a/configs/with_rdiff_defconfig
+++ b/configs/with_rdiff_defconfig
@@ -1,3 +1,5 @@
+# SPDX-FileCopyrightText: 2021 Stefano Babic <sbabic@denx.de>
+# SPDX-License-Identifier: CC0-1.0
 CONFIG_HW_COMPATIBILITY=y
 # CONFIG_MTD is not set
 CONFIG_LUAPKG="lua5.2"
diff --git a/configs/with_systemd_defconfig b/configs/with_systemd_defconfig
index ae690c6..132c904 100644
--- a/configs/with_systemd_defconfig
+++ b/configs/with_systemd_defconfig
@@ -1,3 +1,5 @@
+# SPDX-FileCopyrightText: 2021 Christian Storm <christian.storm@siemens.com>
+# SPDX-License-Identifier: CC0-1.0
 CONFIG_SYSTEMD=y
 CONFIG_HW_COMPATIBILITY=y
 # CONFIG_MTD is not set
diff --git a/configs/with_ucfw_defconfig b/configs/with_ucfw_defconfig
index 6ab9ef5..22fc116 100644
--- a/configs/with_ucfw_defconfig
+++ b/configs/with_ucfw_defconfig
@@ -1,3 +1,5 @@
+# SPDX-FileCopyrightText: 2021 Pierre-Jean Texier <pjtexier@koncepto.io>
+# SPDX-License-Identifier: CC0-1.0
 CONFIG_HW_COMPATIBILITY=y
 # CONFIG_MTD is not set
 CONFIG_LUAPKG="lua5.2"
diff --git a/configs/without_libconfig_defconfig b/configs/without_libconfig_defconfig
index e750a38..ecf7c79 100644
--- a/configs/without_libconfig_defconfig
+++ b/configs/without_libconfig_defconfig
@@ -1,3 +1,5 @@
+# SPDX-FileCopyrightText: 2021 Stefano Babic <sbabic@denx.de>
+# SPDX-License-Identifier: CC0-1.0
 CONFIG_HW_COMPATIBILITY=y
 CONFIG_LUAPKG="lua5.2"
 CONFIG_EXTRA_CFLAGS="-g"
diff --git a/configs/without_lua_defconfig b/configs/without_lua_defconfig
index ed5ca7b..2f71eb5 100644
--- a/configs/without_lua_defconfig
+++ b/configs/without_lua_defconfig
@@ -1,3 +1,5 @@
+# SPDX-FileCopyrightText: 2021 Stefano Babic <sbabic@denx.de>
+# SPDX-License-Identifier: CC0-1.0
 CONFIG_HW_COMPATIBILITY=y
 # CONFIG_LUA is not set
 CONFIG_EXTRA_CFLAGS="-g"
