17 files changed, 34 insertions, 0 deletions
diff --git a/src/ec/acpi/Kconfig b/src/ec/acpi/Kconfig
index 1fa707abdce4..81fc6f491936 100644
--- a/src/ec/acpi/Kconfig
+++ b/src/ec/acpi/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config EC_ACPI
 	bool
 	help
diff --git a/src/ec/compal/ene932/Kconfig b/src/ec/compal/ene932/Kconfig
index a493aac08d57..1be14d8f0244 100644
--- a/src/ec/compal/ene932/Kconfig
+++ b/src/ec/compal/ene932/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config EC_COMPAL_ENE932
 	bool
 	help
diff --git a/src/ec/google/chromeec/Kconfig b/src/ec/google/chromeec/Kconfig
index 1a4dcdb77025..fb93b5662e90 100644
--- a/src/ec/google/chromeec/Kconfig
+++ b/src/ec/google/chromeec/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config EC_GOOGLE_CHROMEEC
 	bool
 	select EC_SUPPORTS_DPTF_TEVT
diff --git a/src/ec/google/chromeec/audio_codec/Kconfig b/src/ec/google/chromeec/audio_codec/Kconfig
index 148a7a8d9670..0df41b0e7e4f 100644
--- a/src/ec/google/chromeec/audio_codec/Kconfig
+++ b/src/ec/google/chromeec/audio_codec/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 if EC_GOOGLE_CHROMEEC
 
 config EC_GOOGLE_CHROMEEC_AUDIO_CODEC
diff --git a/src/ec/google/chromeec/i2c_tunnel/Kconfig b/src/ec/google/chromeec/i2c_tunnel/Kconfig
index 232725566b3e..194c648495d6 100644
--- a/src/ec/google/chromeec/i2c_tunnel/Kconfig
+++ b/src/ec/google/chromeec/i2c_tunnel/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 if EC_GOOGLE_CHROMEEC
 
 config EC_GOOGLE_CHROMEEC_I2C_TUNNEL
diff --git a/src/ec/google/chromeec/mux/Kconfig b/src/ec/google/chromeec/mux/Kconfig
index 654ff82c88f9..08e4f82f6e6b 100644
--- a/src/ec/google/chromeec/mux/Kconfig
+++ b/src/ec/google/chromeec/mux/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 if EC_GOOGLE_CHROMEEC
 
 config EC_GOOGLE_CHROMEEC_MUX
diff --git a/src/ec/google/common/Kconfig b/src/ec/google/common/Kconfig
index 2e138a555fda..2005ddbfb93b 100644
--- a/src/ec/google/common/Kconfig
+++ b/src/ec/google/common/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config EC_GOOGLE_COMMON_MEC
 	bool
 	help
diff --git a/src/ec/google/wilco/Kconfig b/src/ec/google/wilco/Kconfig
index f97fa26d011c..cc8368e328a8 100644
--- a/src/ec/google/wilco/Kconfig
+++ b/src/ec/google/wilco/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config EC_GOOGLE_WILCO
 	bool
 	default n
diff --git a/src/ec/kontron/it8516e/Kconfig b/src/ec/kontron/it8516e/Kconfig
index 125dcef8918f..5d146f11c9f8 100644
--- a/src/ec/kontron/it8516e/Kconfig
+++ b/src/ec/kontron/it8516e/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config EC_KONTRON_IT8516E
 	select EC_ACPI
 	bool
diff --git a/src/ec/kontron/kempld/Kconfig b/src/ec/kontron/kempld/Kconfig
index 08401c949cd8..e0f3182c1e21 100644
--- a/src/ec/kontron/kempld/Kconfig
+++ b/src/ec/kontron/kempld/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config EC_KONTRON_KEMPLD
 	bool
 	select DRIVERS_UART_8250IO
diff --git a/src/ec/lenovo/h8/Kconfig b/src/ec/lenovo/h8/Kconfig
index 6311d54163fb..b15657d21afe 100644
--- a/src/ec/lenovo/h8/Kconfig
+++ b/src/ec/lenovo/h8/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config EC_LENOVO_H8
 	select EC_ACPI
 	bool
diff --git a/src/ec/lenovo/pmh7/Kconfig b/src/ec/lenovo/pmh7/Kconfig
index 27815bc017d7..2e9426ce4cdb 100644
--- a/src/ec/lenovo/pmh7/Kconfig
+++ b/src/ec/lenovo/pmh7/Kconfig
@@ -1,2 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config EC_LENOVO_PMH7
 	bool
diff --git a/src/ec/purism/librem-ec/Kconfig b/src/ec/purism/librem-ec/Kconfig
index e7dc473dd8e8..10b241f35346 100644
--- a/src/ec/purism/librem-ec/Kconfig
+++ b/src/ec/purism/librem-ec/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config EC_LIBREM_EC
 	bool
 	help
diff --git a/src/ec/quanta/ene_kb3940q/Kconfig b/src/ec/quanta/ene_kb3940q/Kconfig
index 9f2ddcf26eb0..c4f3eab2d2ac 100644
--- a/src/ec/quanta/ene_kb3940q/Kconfig
+++ b/src/ec/quanta/ene_kb3940q/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config EC_QUANTA_ENE_KB3940Q
 	bool
 	help
diff --git a/src/ec/quanta/it8518/Kconfig b/src/ec/quanta/it8518/Kconfig
index 24ac36fb96bb..6f28068dc7bf 100644
--- a/src/ec/quanta/it8518/Kconfig
+++ b/src/ec/quanta/it8518/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config EC_QUANTA_IT8518
 	bool
 	help
diff --git a/src/ec/smsc/mec1308/Kconfig b/src/ec/smsc/mec1308/Kconfig
index 15c6334c5b9b..21effcce0e03 100644
--- a/src/ec/smsc/mec1308/Kconfig
+++ b/src/ec/smsc/mec1308/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config EC_SMSC_MEC1308
 	bool
 	help
diff --git a/src/ec/system76/ec/Kconfig b/src/ec/system76/ec/Kconfig
index d1cd079f1da4..4b7191241b26 100644
--- a/src/ec/system76/ec/Kconfig
+++ b/src/ec/system76/ec/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config EC_SYSTEM76_EC
 	bool
 	help