soc: Add SPDX license headers to Kconfig files

Change-Id: Ie7bc4f3ae00bb9601001dbb71e7c3c84fd4f759a
Signed-off-by: Martin Roth <gaumless@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/80596
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Yidi Lin <yidilin@google.com>
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

122 files changed, 241 insertions, 0 deletions

diff --git a/src/soc/amd/common/Kconfig.common b/src/soc/amd/common/Kconfig.common
index e612158acc1e..2070b817913b 100644
--- a/src/soc/amd/common/Kconfig.common
+++ b/src/soc/amd/common/Kconfig.common
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_AMD_COMMON
 	bool
 	help
diff --git a/src/soc/amd/common/block/acp/Kconfig b/src/soc/amd/common/block/acp/Kconfig
index e776416cf4a8..bc2dddc1f9f7 100644
--- a/src/soc/amd/common/block/acp/Kconfig
+++ b/src/soc/amd/common/block/acp/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_AMD_COMMON_BLOCK_ACP_GEN1
 	bool
 	help
diff --git a/src/soc/amd/common/block/acpi/Kconfig b/src/soc/amd/common/block/acpi/Kconfig
index 0f0a37111191..90e66b2ca7d2 100644
--- a/src/soc/amd/common/block/acpi/Kconfig
+++ b/src/soc/amd/common/block/acpi/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_AMD_COMMON_BLOCK_ACPI
 	bool
 	depends on SOC_AMD_COMMON_BLOCK_ACPIMMIO
diff --git a/src/soc/amd/common/block/acpimmio/Kconfig b/src/soc/amd/common/block/acpimmio/Kconfig
index 9881385e4b28..5c02bd491841 100644
--- a/src/soc/amd/common/block/acpimmio/Kconfig
+++ b/src/soc/amd/common/block/acpimmio/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_AMD_COMMON_BLOCK_ACPIMMIO
 	bool
 	help
diff --git a/src/soc/amd/common/block/alink/Kconfig b/src/soc/amd/common/block/alink/Kconfig
index fb2885845228..0c7005f56948 100644
--- a/src/soc/amd/common/block/alink/Kconfig
+++ b/src/soc/amd/common/block/alink/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_AMD_COMMON_BLOCK_ALINK
 	bool
 	help
diff --git a/src/soc/amd/common/block/aoac/Kconfig b/src/soc/amd/common/block/aoac/Kconfig
index e779e7b43f5d..ed6b746141b3 100644
--- a/src/soc/amd/common/block/aoac/Kconfig
+++ b/src/soc/amd/common/block/aoac/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_AMD_COMMON_BLOCK_AOAC
 	bool
 	help
diff --git a/src/soc/amd/common/block/apob/Kconfig b/src/soc/amd/common/block/apob/Kconfig
index a1cd0049e9c2..7553ff7cad01 100644
--- a/src/soc/amd/common/block/apob/Kconfig
+++ b/src/soc/amd/common/block/apob/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_AMD_COMMON_BLOCK_APOB
 	bool
 	help
diff --git a/src/soc/amd/common/block/cpu/Kconfig b/src/soc/amd/common/block/cpu/Kconfig
index 3dc90ac3b252..0b44c556498f 100644
--- a/src/soc/amd/common/block/cpu/Kconfig
+++ b/src/soc/amd/common/block/cpu/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_AMD_COMMON_BLOCK_CAR
 	bool
 	help
diff --git a/src/soc/amd/common/block/data_fabric/Kconfig b/src/soc/amd/common/block/data_fabric/Kconfig
index add2374b18fd..0913a2cbf9c1 100644
--- a/src/soc/amd/common/block/data_fabric/Kconfig
+++ b/src/soc/amd/common/block/data_fabric/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_AMD_COMMON_BLOCK_DATA_FABRIC
 	bool
 	help
diff --git a/src/soc/amd/common/block/emmc/Kconfig b/src/soc/amd/common/block/emmc/Kconfig
index 6316841a5135..95ec15cd73ff 100644
--- a/src/soc/amd/common/block/emmc/Kconfig
+++ b/src/soc/amd/common/block/emmc/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_AMD_COMMON_BLOCK_EMMC
 	bool
 	help
diff --git a/src/soc/amd/common/block/gpio/Kconfig b/src/soc/amd/common/block/gpio/Kconfig
index 707c6d077503..4580fc29ef0e 100644
--- a/src/soc/amd/common/block/gpio/Kconfig
+++ b/src/soc/amd/common/block/gpio/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_AMD_COMMON_BLOCK_BANKED_GPIOS
 	bool
 	depends on SOC_AMD_COMMON_BLOCK_ACPIMMIO
diff --git a/src/soc/amd/common/block/gpp_clk/Kconfig b/src/soc/amd/common/block/gpp_clk/Kconfig
index 0838df41d43f..f63c1e63ea5f 100644
--- a/src/soc/amd/common/block/gpp_clk/Kconfig
+++ b/src/soc/amd/common/block/gpp_clk/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_AMD_COMMON_BLOCK_GPP_CLK
 	bool
 	help
diff --git a/src/soc/amd/common/block/graphics/Kconfig b/src/soc/amd/common/block/graphics/Kconfig
index ce00f1821d4b..3b2eaed56549 100644
--- a/src/soc/amd/common/block/graphics/Kconfig
+++ b/src/soc/amd/common/block/graphics/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_AMD_COMMON_BLOCK_GRAPHICS
 	bool
 	help
diff --git a/src/soc/amd/common/block/hda/Kconfig b/src/soc/amd/common/block/hda/Kconfig
index 4c83b1c62a91..a3fffdde4d66 100644
--- a/src/soc/amd/common/block/hda/Kconfig
+++ b/src/soc/amd/common/block/hda/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_AMD_COMMON_BLOCK_HDA
 	bool
 	help
diff --git a/src/soc/amd/common/block/i2c/Kconfig b/src/soc/amd/common/block/i2c/Kconfig
index 02f8bef8ee5c..9cdf8f517fe7 100644
--- a/src/soc/amd/common/block/i2c/Kconfig
+++ b/src/soc/amd/common/block/i2c/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_AMD_COMMON_BLOCK_I2C
 	bool
 	select DRIVERS_I2C_DESIGNWARE
diff --git a/src/soc/amd/common/block/iommu/Kconfig b/src/soc/amd/common/block/iommu/Kconfig
index 521bf8ab5917..6e7d3640ffee 100644
--- a/src/soc/amd/common/block/iommu/Kconfig
+++ b/src/soc/amd/common/block/iommu/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_AMD_COMMON_BLOCK_IOMMU
 	bool
 	help
diff --git a/src/soc/amd/common/block/lpc/Kconfig b/src/soc/amd/common/block/lpc/Kconfig
index 2de83a554ada..9f41f22635e1 100644
--- a/src/soc/amd/common/block/lpc/Kconfig
+++ b/src/soc/amd/common/block/lpc/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_AMD_COMMON_BLOCK_LPC
 	bool
 	help
diff --git a/src/soc/amd/common/block/pci/Kconfig b/src/soc/amd/common/block/pci/Kconfig
index 302a6b84977b..f9d2908176ef 100644
--- a/src/soc/amd/common/block/pci/Kconfig
+++ b/src/soc/amd/common/block/pci/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_AMD_COMMON_BLOCK_PCI
 	bool
 	select SOC_AMD_COMMON_BLOCK_PCI_MMCONF
diff --git a/src/soc/amd/common/block/pm/Kconfig b/src/soc/amd/common/block/pm/Kconfig
index 7d2513ef97e3..04f5b7bdfb2b 100644
--- a/src/soc/amd/common/block/pm/Kconfig
+++ b/src/soc/amd/common/block/pm/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_AMD_COMMON_BLOCK_PM
 	bool
 	depends on SOC_AMD_COMMON_BLOCK_ACPIMMIO
diff --git a/src/soc/amd/common/block/psp/Kconfig b/src/soc/amd/common/block/psp/Kconfig
index fc9769f6dcab..a52ca0e9d74a 100644
--- a/src/soc/amd/common/block/psp/Kconfig
+++ b/src/soc/amd/common/block/psp/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_AMD_COMMON_BLOCK_PSP
 	bool
 	help
diff --git a/src/soc/amd/common/block/root_complex/Kconfig b/src/soc/amd/common/block/root_complex/Kconfig
index 829f3089874a..4b8316949745 100644
--- a/src/soc/amd/common/block/root_complex/Kconfig
+++ b/src/soc/amd/common/block/root_complex/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_AMD_COMMON_BLOCK_ROOT_COMPLEX
 	bool
 	select SOC_AMD_COMMON_BLOCK_SMN
diff --git a/src/soc/amd/common/block/sata/Kconfig b/src/soc/amd/common/block/sata/Kconfig
index 25aef1f58939..34aa734f46c5 100644
--- a/src/soc/amd/common/block/sata/Kconfig
+++ b/src/soc/amd/common/block/sata/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_AMD_COMMON_BLOCK_SATA
 	bool
 	help
diff --git a/src/soc/amd/common/block/smbus/Kconfig b/src/soc/amd/common/block/smbus/Kconfig
index 194cf4ff1acb..2092b2c607d7 100644
--- a/src/soc/amd/common/block/smbus/Kconfig
+++ b/src/soc/amd/common/block/smbus/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_AMD_COMMON_BLOCK_SMBUS
 	bool
 	help
diff --git a/src/soc/amd/common/block/smi/Kconfig b/src/soc/amd/common/block/smi/Kconfig
index 5a3f42d20e13..ca5712e59a04 100644
--- a/src/soc/amd/common/block/smi/Kconfig
+++ b/src/soc/amd/common/block/smi/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_AMD_COMMON_BLOCK_SMI
 	bool
 	select HAVE_CONFIGURABLE_APMC_SMI_PORT
diff --git a/src/soc/amd/common/block/smn/Kconfig b/src/soc/amd/common/block/smn/Kconfig
index 60beb0323104..a98643601159 100644
--- a/src/soc/amd/common/block/smn/Kconfig
+++ b/src/soc/amd/common/block/smn/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_AMD_COMMON_BLOCK_SMN
 	bool
 	help
diff --git a/src/soc/amd/common/block/smu/Kconfig b/src/soc/amd/common/block/smu/Kconfig
index 4a76edb6f800..91ee54693976 100644
--- a/src/soc/amd/common/block/smu/Kconfig
+++ b/src/soc/amd/common/block/smu/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_AMD_COMMON_BLOCK_SMU
 	bool
 	select SOC_AMD_COMMON_BLOCK_SMN
diff --git a/src/soc/amd/common/block/spi/Kconfig b/src/soc/amd/common/block/spi/Kconfig
index 7a300e496a47..e5f68578b0c8 100644
--- a/src/soc/amd/common/block/spi/Kconfig
+++ b/src/soc/amd/common/block/spi/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_AMD_COMMON_BLOCK_SPI
 	bool
 	help
diff --git a/src/soc/amd/common/block/stb/Kconfig b/src/soc/amd/common/block/stb/Kconfig
index 28c78fd4df31..947fad30cdb2 100644
--- a/src/soc/amd/common/block/stb/Kconfig
+++ b/src/soc/amd/common/block/stb/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_AMD_COMMON_BLOCK_STB
 	bool
 	select SOC_AMD_COMMON_BLOCK_SMN
diff --git a/src/soc/amd/common/block/uart/Kconfig b/src/soc/amd/common/block/uart/Kconfig
index 4480043e9cb4..4db71efcaff9 100644
--- a/src/soc/amd/common/block/uart/Kconfig
+++ b/src/soc/amd/common/block/uart/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_AMD_COMMON_BLOCK_UART
 	bool
 	help
diff --git a/src/soc/amd/common/block/xhci/Kconfig b/src/soc/amd/common/block/xhci/Kconfig
index ba9a8e81de59..b332dd00285a 100644
--- a/src/soc/amd/common/block/xhci/Kconfig
+++ b/src/soc/amd/common/block/xhci/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_AMD_COMMON_BLOCK_XHCI
 	bool
 	help
diff --git a/src/soc/amd/common/fsp/Kconfig b/src/soc/amd/common/fsp/Kconfig
index 9331011bc8e0..a66b5441568d 100644
--- a/src/soc/amd/common/fsp/Kconfig
+++ b/src/soc/amd/common/fsp/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 if PLATFORM_USES_FSP2_0
 
 config SOC_AMD_COMMON_FSP_DMI_TABLES
diff --git a/src/soc/amd/common/fsp/pci/Kconfig b/src/soc/amd/common/fsp/pci/Kconfig
index dce2c66562c8..3aabf4beb8b0 100644
--- a/src/soc/amd/common/fsp/pci/Kconfig
+++ b/src/soc/amd/common/fsp/pci/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_AMD_COMMON_FSP_PCI
 	bool
 	select SOC_AMD_COMMON_BLOCK_PCI
diff --git a/src/soc/amd/common/pi/Kconfig b/src/soc/amd/common/pi/Kconfig
index 7b9536496107..1c7c98f5118d 100644
--- a/src/soc/amd/common/pi/Kconfig
+++ b/src/soc/amd/common/pi/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_AMD_PI
 	bool
 	depends on SOC_AMD_COMMON_BLOCK_ACPI
diff --git a/src/soc/amd/common/psp_verstage/Kconfig b/src/soc/amd/common/psp_verstage/Kconfig
index f670291ff6d4..fdfc85515cbd 100644
--- a/src/soc/amd/common/psp_verstage/Kconfig
+++ b/src/soc/amd/common/psp_verstage/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config PSP_VERSTAGE_CCP_DMA
 	bool
 	default n
diff --git a/src/soc/amd/genoa_poc/Kconfig b/src/soc/amd/genoa_poc/Kconfig
index 8a738cf5888f..2460323a241a 100644
--- a/src/soc/amd/genoa_poc/Kconfig
+++ b/src/soc/amd/genoa_poc/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_AMD_GENOA_POC
 	bool
 
diff --git a/src/soc/cavium/cn81xx/Kconfig b/src/soc/cavium/cn81xx/Kconfig
index 7e48b5f877d2..d2699e47db04 100644
--- a/src/soc/cavium/cn81xx/Kconfig
+++ b/src/soc/cavium/cn81xx/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_CAVIUM_CN81XX
 	bool
 	default n
diff --git a/src/soc/cavium/common/Kconfig b/src/soc/cavium/common/Kconfig
index f7921dc94c52..20d42379647e 100644
--- a/src/soc/cavium/common/Kconfig
+++ b/src/soc/cavium/common/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_CAVIUM_COMMON
 	bool
 	default n
diff --git a/src/soc/example/min86/Kconfig b/src/soc/example/min86/Kconfig
index 12a13e5d8e6f..6de7bba8b947 100644
--- a/src/soc/example/min86/Kconfig
+++ b/src/soc/example/min86/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_EXAMPLE_MIN86
 	bool
 	select ARCH_X86
diff --git a/src/soc/intel/alderlake/Kconfig b/src/soc/intel/alderlake/Kconfig
index e63bcd222821..8411e7696f4a 100644
--- a/src/soc/intel/alderlake/Kconfig
+++ b/src/soc/intel/alderlake/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_ALDERLAKE
 	bool
 	select ACPI_INTEL_HARDWARE_SLEEP_VALUES
diff --git a/src/soc/intel/apollolake/Kconfig b/src/soc/intel/apollolake/Kconfig
index aef9d8523452..61aaa44a7e9f 100644
--- a/src/soc/intel/apollolake/Kconfig
+++ b/src/soc/intel/apollolake/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_APOLLOLAKE
 	bool
 	select INTEL_CAR_CQOS
diff --git a/src/soc/intel/baytrail/Kconfig b/src/soc/intel/baytrail/Kconfig
index dbadbf1105b0..02b93c97ec38 100644
--- a/src/soc/intel/baytrail/Kconfig
+++ b/src/soc/intel/baytrail/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_BAYTRAIL
 	bool
 	select ACPI_COMMON_MADT_IOAPIC
diff --git a/src/soc/intel/braswell/Kconfig b/src/soc/intel/braswell/Kconfig
index c3b93d216710..d9bb481a1b8f 100644
--- a/src/soc/intel/braswell/Kconfig
+++ b/src/soc/intel/braswell/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_BRASWELL
 	bool
 	select ACPI_COMMON_MADT_IOAPIC
diff --git a/src/soc/intel/broadwell/Kconfig b/src/soc/intel/broadwell/Kconfig
index ab2807ad90e0..4859a7e41a30 100644
--- a/src/soc/intel/broadwell/Kconfig
+++ b/src/soc/intel/broadwell/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_BROADWELL
 	bool
 	select CACHE_MRC_SETTINGS
diff --git a/src/soc/intel/broadwell/pch/Kconfig b/src/soc/intel/broadwell/pch/Kconfig
index 310d58a08369..a671207b6791 100644
--- a/src/soc/intel/broadwell/pch/Kconfig
+++ b/src/soc/intel/broadwell/pch/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config INTEL_LYNXPOINT_LP
 	bool
 	select ACPI_COMMON_MADT_IOAPIC
diff --git a/src/soc/intel/cannonlake/Kconfig b/src/soc/intel/cannonlake/Kconfig
index 92a99c43a370..0d1ad4d9bb4f 100644
--- a/src/soc/intel/cannonlake/Kconfig
+++ b/src/soc/intel/cannonlake/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_CANNONLAKE_BASE
 	bool
 	select ACPI_INTEL_HARDWARE_SLEEP_VALUES
diff --git a/src/soc/intel/common/Kconfig.common b/src/soc/intel/common/Kconfig.common
index 2ccd39508cc2..7ce93d45937a 100644
--- a/src/soc/intel/common/Kconfig.common
+++ b/src/soc/intel/common/Kconfig.common
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config INTEL_HAS_TOP_SWAP
 	bool
 	help
diff --git a/src/soc/intel/common/basecode/Kconfig b/src/soc/intel/common/basecode/Kconfig
index 97309854cf41..af85c422fc94 100644
--- a/src/soc/intel/common/basecode/Kconfig
+++ b/src/soc/intel/common/basecode/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BASECODE
 	bool
 	help
diff --git a/src/soc/intel/common/basecode/debug/Kconfig b/src/soc/intel/common/basecode/debug/Kconfig
index f72055b67239..759b9697c99a 100644
--- a/src/soc/intel/common/basecode/debug/Kconfig
+++ b/src/soc/intel/common/basecode/debug/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BASECODE_DEBUG_FEATURE
 	bool
 	default n
diff --git a/src/soc/intel/common/basecode/ramtop/Kconfig b/src/soc/intel/common/basecode/ramtop/Kconfig
index 2b600e74648a..21e482a6383c 100644
--- a/src/soc/intel/common/basecode/ramtop/Kconfig
+++ b/src/soc/intel/common/basecode/ramtop/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BASECODE_RAMTOP
 	bool
 	default n
diff --git a/src/soc/intel/common/block/Kconfig b/src/soc/intel/common/block/Kconfig
index 80e5c662faed..af6975cc2605 100644
--- a/src/soc/intel/common/block/Kconfig
+++ b/src/soc/intel/common/block/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK
 	bool
 	help
diff --git a/src/soc/intel/common/block/acpi/Kconfig b/src/soc/intel/common/block/acpi/Kconfig
index cc7d38fc8330..36b47a3c4fc6 100644
--- a/src/soc/intel/common/block/acpi/Kconfig
+++ b/src/soc/intel/common/block/acpi/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_ACPI
 	depends on SOC_INTEL_COMMON_BLOCK_CPU
 	depends on SOC_INTEL_COMMON_BLOCK_PMC
diff --git a/src/soc/intel/common/block/chip/Kconfig b/src/soc/intel/common/block/chip/Kconfig
index 8021c248df83..4edd3a8ddebb 100644
--- a/src/soc/intel/common/block/chip/Kconfig
+++ b/src/soc/intel/common/block/chip/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_CHIP_CONFIG
 	bool
 	help
diff --git a/src/soc/intel/common/block/cnvi/Kconfig b/src/soc/intel/common/block/cnvi/Kconfig
index 21402ab6a563..1bc20be6546c 100644
--- a/src/soc/intel/common/block/cnvi/Kconfig
+++ b/src/soc/intel/common/block/cnvi/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_CNVI
 	bool
 	help
diff --git a/src/soc/intel/common/block/cpu/Kconfig b/src/soc/intel/common/block/cpu/Kconfig
index 8c14cb201873..814de73d3127 100644
--- a/src/soc/intel/common/block/cpu/Kconfig
+++ b/src/soc/intel/common/block/cpu/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_CPU
 	bool
 	default n
diff --git a/src/soc/intel/common/block/cse/Kconfig b/src/soc/intel/common/block/cse/Kconfig
index ca806fd82146..4f585c042d52 100644
--- a/src/soc/intel/common/block/cse/Kconfig
+++ b/src/soc/intel/common/block/cse/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config DISABLE_HECI1_AT_PRE_BOOT
 	bool "Disable HECI1 at the end of boot"
 	depends on SOC_INTEL_COMMON_BLOCK_CSE
diff --git a/src/soc/intel/common/block/dsp/Kconfig b/src/soc/intel/common/block/dsp/Kconfig
index 4d65cb22597e..8cb491e38089 100644
--- a/src/soc/intel/common/block/dsp/Kconfig
+++ b/src/soc/intel/common/block/dsp/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_DSP
 	bool
 	help
diff --git a/src/soc/intel/common/block/dtt/Kconfig b/src/soc/intel/common/block/dtt/Kconfig
index 063c475d5352..1735c2ac21eb 100644
--- a/src/soc/intel/common/block/dtt/Kconfig
+++ b/src/soc/intel/common/block/dtt/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_DTT
 	bool
 	default n
diff --git a/src/soc/intel/common/block/fast_spi/Kconfig b/src/soc/intel/common/block/fast_spi/Kconfig
index 953ed36b105e..3a541f861c92 100644
--- a/src/soc/intel/common/block/fast_spi/Kconfig
+++ b/src/soc/intel/common/block/fast_spi/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_FAST_SPI
 	bool
 	select SPI_FLASH_DONT_INCLUDE_ALL_DRIVERS
diff --git a/src/soc/intel/common/block/gpio/Kconfig b/src/soc/intel/common/block/gpio/Kconfig
index 88795475145f..de0546cd6056 100644
--- a/src/soc/intel/common/block/gpio/Kconfig
+++ b/src/soc/intel/common/block/gpio/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_GPIO
 	bool
 	select HAVE_DEBUG_GPIO
diff --git a/src/soc/intel/common/block/gpmr/Kconfig b/src/soc/intel/common/block/gpmr/Kconfig
index 8ca26b438a09..06ababe50ee5 100644
--- a/src/soc/intel/common/block/gpmr/Kconfig
+++ b/src/soc/intel/common/block/gpmr/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_GPMR
 	bool
 	select SOC_INTEL_COMMON_BLOCK_PCR
diff --git a/src/soc/intel/common/block/graphics/Kconfig b/src/soc/intel/common/block/graphics/Kconfig
index 30e4f8e800c6..b5776b049fa4 100644
--- a/src/soc/intel/common/block/graphics/Kconfig
+++ b/src/soc/intel/common/block/graphics/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_GRAPHICS
 	bool
 	select ROMSTAGE_VGA if MAINBOARD_USE_EARLY_LIBGFXINIT
diff --git a/src/soc/intel/common/block/gspi/Kconfig b/src/soc/intel/common/block/gspi/Kconfig
index d2776ca1a4f7..85a2f133a5dc 100644
--- a/src/soc/intel/common/block/gspi/Kconfig
+++ b/src/soc/intel/common/block/gspi/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_GSPI
 	bool
 	help
diff --git a/src/soc/intel/common/block/hda/Kconfig b/src/soc/intel/common/block/hda/Kconfig
index 193e1fcb8dc2..64f34ef2ab37 100644
--- a/src/soc/intel/common/block/hda/Kconfig
+++ b/src/soc/intel/common/block/hda/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_HDA
 	bool
 	help
diff --git a/src/soc/intel/common/block/i2c/Kconfig b/src/soc/intel/common/block/i2c/Kconfig
index b0deb08430a6..89f1862a4272 100644
--- a/src/soc/intel/common/block/i2c/Kconfig
+++ b/src/soc/intel/common/block/i2c/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_I2C
 	bool
 	select DRIVERS_I2C_DESIGNWARE
diff --git a/src/soc/intel/common/block/ioc/Kconfig b/src/soc/intel/common/block/ioc/Kconfig
index 19c6f8487f8a..2e1b30da0eee 100644
--- a/src/soc/intel/common/block/ioc/Kconfig
+++ b/src/soc/intel/common/block/ioc/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_IOC
 	bool
 	depends on SOC_INTEL_COMMON_BLOCK_SA
diff --git a/src/soc/intel/common/block/ipu/Kconfig b/src/soc/intel/common/block/ipu/Kconfig
index 756616ff8588..4786d046fd71 100644
--- a/src/soc/intel/common/block/ipu/Kconfig
+++ b/src/soc/intel/common/block/ipu/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_IPU
 	bool
 	help
diff --git a/src/soc/intel/common/block/irq/Kconfig b/src/soc/intel/common/block/irq/Kconfig
index ab6fc509cb12..2a03db6719d4 100644
--- a/src/soc/intel/common/block/irq/Kconfig
+++ b/src/soc/intel/common/block/irq/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_IRQ
 	bool
 	select SOC_INTEL_COMMON_BLOCK_GPIO
diff --git a/src/soc/intel/common/block/itss/Kconfig b/src/soc/intel/common/block/itss/Kconfig
index 2f1a1004adbf..ed89dbdc1a5f 100644
--- a/src/soc/intel/common/block/itss/Kconfig
+++ b/src/soc/intel/common/block/itss/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_ITSS
 	bool
 	help
diff --git a/src/soc/intel/common/block/lpc/Kconfig b/src/soc/intel/common/block/lpc/Kconfig
index 2fac5fff4023..6052a3be2352 100644
--- a/src/soc/intel/common/block/lpc/Kconfig
+++ b/src/soc/intel/common/block/lpc/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_LPC
 	bool
 	help
diff --git a/src/soc/intel/common/block/lpss/Kconfig b/src/soc/intel/common/block/lpss/Kconfig
index f8ce731ecb9b..266ea5ae9619 100644
--- a/src/soc/intel/common/block/lpss/Kconfig
+++ b/src/soc/intel/common/block/lpss/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_LPSS
 	bool
 	help
diff --git a/src/soc/intel/common/block/memory/Kconfig b/src/soc/intel/common/block/memory/Kconfig
index 7156be7ff65b..5bfdda073df9 100644
--- a/src/soc/intel/common/block/memory/Kconfig
+++ b/src/soc/intel/common/block/memory/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_MEMINIT
 	bool
 	help
diff --git a/src/soc/intel/common/block/p2sb/Kconfig b/src/soc/intel/common/block/p2sb/Kconfig
index e48baa53acdc..d67c968941fa 100644
--- a/src/soc/intel/common/block/p2sb/Kconfig
+++ b/src/soc/intel/common/block/p2sb/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_BASE_P2SB
 	bool
 	depends on SOC_INTEL_COMMON_BLOCK_PCR
diff --git a/src/soc/intel/common/block/pcie/Kconfig b/src/soc/intel/common/block/pcie/Kconfig
index dccedb0df41a..1cdcdaa1815a 100644
--- a/src/soc/intel/common/block/pcie/Kconfig
+++ b/src/soc/intel/common/block/pcie/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_PCIE
 	bool
 	select PCIEXP_COMMON_CLOCK
diff --git a/src/soc/intel/common/block/pcie/rtd3/Kconfig b/src/soc/intel/common/block/pcie/rtd3/Kconfig
index 7c21ce8ced8a..be0e92d96ed9 100644
--- a/src/soc/intel/common/block/pcie/rtd3/Kconfig
+++ b/src/soc/intel/common/block/pcie/rtd3/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_PCIE_RTD3
 	bool
 	default n
diff --git a/src/soc/intel/common/block/pcr/Kconfig b/src/soc/intel/common/block/pcr/Kconfig
index be038383abaa..7c92c5dea169 100644
--- a/src/soc/intel/common/block/pcr/Kconfig
+++ b/src/soc/intel/common/block/pcr/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_PCR
 	bool
 	help
diff --git a/src/soc/intel/common/block/pmc/Kconfig b/src/soc/intel/common/block/pmc/Kconfig
index 44dc2aa54869..c308277899cc 100644
--- a/src/soc/intel/common/block/pmc/Kconfig
+++ b/src/soc/intel/common/block/pmc/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_PMC
 	depends on SOC_INTEL_COMMON_BLOCK_GPIO
 	depends on ACPI_INTEL_HARDWARE_SLEEP_VALUES
diff --git a/src/soc/intel/common/block/power_limit/Kconfig b/src/soc/intel/common/block/power_limit/Kconfig
index 0e57f1c71c59..7e744c7b2e03 100644
--- a/src/soc/intel/common/block/power_limit/Kconfig
+++ b/src/soc/intel/common/block/power_limit/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_POWER_LIMIT
 	bool
 	default n
diff --git a/src/soc/intel/common/block/rtc/Kconfig b/src/soc/intel/common/block/rtc/Kconfig
index eda2063f85c4..5595f71d89f9 100644
--- a/src/soc/intel/common/block/rtc/Kconfig
+++ b/src/soc/intel/common/block/rtc/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_RTC
 	bool
 	select RTC
diff --git a/src/soc/intel/common/block/sata/Kconfig b/src/soc/intel/common/block/sata/Kconfig
index c7253aebf729..203a345f45f4 100644
--- a/src/soc/intel/common/block/sata/Kconfig
+++ b/src/soc/intel/common/block/sata/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_SATA
 	bool
 	help
diff --git a/src/soc/intel/common/block/scs/Kconfig b/src/soc/intel/common/block/scs/Kconfig
index 192425c4a0c7..f85acc5e5a5a 100644
--- a/src/soc/intel/common/block/scs/Kconfig
+++ b/src/soc/intel/common/block/scs/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_SCS
 	bool
 	help
diff --git a/src/soc/intel/common/block/sgx/Kconfig b/src/soc/intel/common/block/sgx/Kconfig
index 6d636ada01f3..468a57bebd73 100644
--- a/src/soc/intel/common/block/sgx/Kconfig
+++ b/src/soc/intel/common/block/sgx/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_SGX
 	bool
 	select CPU_INTEL_COMMON
diff --git a/src/soc/intel/common/block/smbus/Kconfig b/src/soc/intel/common/block/smbus/Kconfig
index 3b3eb2f9b1bd..31bef05f7171 100644
--- a/src/soc/intel/common/block/smbus/Kconfig
+++ b/src/soc/intel/common/block/smbus/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_SMBUS
 	bool
 	select SOUTHBRIDGE_INTEL_COMMON_SMBUS
diff --git a/src/soc/intel/common/block/smm/Kconfig b/src/soc/intel/common/block/smm/Kconfig
index 4944ade5db7f..84c406ef3e05 100644
--- a/src/soc/intel/common/block/smm/Kconfig
+++ b/src/soc/intel/common/block/smm/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_SMM
 	bool
 	help
diff --git a/src/soc/intel/common/block/spi/Kconfig b/src/soc/intel/common/block/spi/Kconfig
index 57677630cd84..ec0487492fae 100644
--- a/src/soc/intel/common/block/spi/Kconfig
+++ b/src/soc/intel/common/block/spi/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_SPI
 	bool
 	help
diff --git a/src/soc/intel/common/block/sram/Kconfig b/src/soc/intel/common/block/sram/Kconfig
index bfd1a8a8eb8e..4348f9490e01 100644
--- a/src/soc/intel/common/block/sram/Kconfig
+++ b/src/soc/intel/common/block/sram/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_SRAM
 	bool
 	help
diff --git a/src/soc/intel/common/block/systemagent/Kconfig b/src/soc/intel/common/block/systemagent/Kconfig
index 4d14fc127ec7..7bb55fe24861 100644
--- a/src/soc/intel/common/block/systemagent/Kconfig
+++ b/src/soc/intel/common/block/systemagent/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_SA
 	bool
 	select SOC_INTEL_COMMON_BASECODE
diff --git a/src/soc/intel/common/block/tcss/Kconfig b/src/soc/intel/common/block/tcss/Kconfig
index 7a8f52cc5481..25113d33f36c 100644
--- a/src/soc/intel/common/block/tcss/Kconfig
+++ b/src/soc/intel/common/block/tcss/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_TCSS
 	def_bool n
 	select FSPS_USE_MULTI_PHASE_INIT
diff --git a/src/soc/intel/common/block/thermal/Kconfig b/src/soc/intel/common/block/thermal/Kconfig
index 7ab72405f0a0..591c3e007b50 100644
--- a/src/soc/intel/common/block/thermal/Kconfig
+++ b/src/soc/intel/common/block/thermal/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_THERMAL
 	bool
 	default n
diff --git a/src/soc/intel/common/block/timer/Kconfig b/src/soc/intel/common/block/timer/Kconfig
index 42613a8f84f4..6a1d3ea5b712 100644
--- a/src/soc/intel/common/block/timer/Kconfig
+++ b/src/soc/intel/common/block/timer/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_TIMER
 	bool
 	help
diff --git a/src/soc/intel/common/block/tracehub/Kconfig b/src/soc/intel/common/block/tracehub/Kconfig
index 76a01861a1b2..65552b7c33d9 100644
--- a/src/soc/intel/common/block/tracehub/Kconfig
+++ b/src/soc/intel/common/block/tracehub/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_TRACEHUB
 	bool
 	default n
diff --git a/src/soc/intel/common/block/uart/Kconfig b/src/soc/intel/common/block/uart/Kconfig
index 7ba22b5c3efa..1615f6d0c69c 100644
--- a/src/soc/intel/common/block/uart/Kconfig
+++ b/src/soc/intel/common/block/uart/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_UART
 	bool
 	select SOC_INTEL_COMMON_BLOCK_LPSS
diff --git a/src/soc/intel/common/block/usb4/Kconfig b/src/soc/intel/common/block/usb4/Kconfig
index 234428a00a7b..1ae570c2bfcd 100644
--- a/src/soc/intel/common/block/usb4/Kconfig
+++ b/src/soc/intel/common/block/usb4/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_USB4
 	bool
 	default n
diff --git a/src/soc/intel/common/block/vtd/Kconfig b/src/soc/intel/common/block/vtd/Kconfig
index e16af02df71d..8072244b8589 100644
--- a/src/soc/intel/common/block/vtd/Kconfig
+++ b/src/soc/intel/common/block/vtd/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_VTD
 	bool
 	depends on PLATFORM_USES_FSP2_0
diff --git a/src/soc/intel/common/block/xdci/Kconfig b/src/soc/intel/common/block/xdci/Kconfig
index 391864226a5c..157c77ff40a9 100644
--- a/src/soc/intel/common/block/xdci/Kconfig
+++ b/src/soc/intel/common/block/xdci/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_XDCI
 	bool
 	help
diff --git a/src/soc/intel/common/block/xhci/Kconfig b/src/soc/intel/common/block/xhci/Kconfig
index 59536bac0f03..b5230f0a4d73 100644
--- a/src/soc/intel/common/block/xhci/Kconfig
+++ b/src/soc/intel/common/block/xhci/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_BLOCK_XHCI
 	bool
 	help
diff --git a/src/soc/intel/common/pch/Kconfig b/src/soc/intel/common/pch/Kconfig
index 4934bb089641..716a786e689f 100644
--- a/src/soc/intel/common/pch/Kconfig
+++ b/src/soc/intel/common/pch/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_INTEGRATED_SOUTHCLUSTER
 	bool
 	help
diff --git a/src/soc/intel/common/pch/lockdown/Kconfig b/src/soc/intel/common/pch/lockdown/Kconfig
index 8fce5e785c23..38f60d205698 100644
--- a/src/soc/intel/common/pch/lockdown/Kconfig
+++ b/src/soc/intel/common/pch/lockdown/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_PCH_LOCKDOWN
 	bool
 	default n
diff --git a/src/soc/intel/elkhartlake/Kconfig b/src/soc/intel/elkhartlake/Kconfig
index 3361c0ddb9fc..13fa9257ea9f 100644
--- a/src/soc/intel/elkhartlake/Kconfig
+++ b/src/soc/intel/elkhartlake/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_ELKHARTLAKE
 	bool
 	select ACPI_INTEL_HARDWARE_SLEEP_VALUES
diff --git a/src/soc/intel/jasperlake/Kconfig b/src/soc/intel/jasperlake/Kconfig
index 9f70177ce6d4..fd0260c71247 100644
--- a/src/soc/intel/jasperlake/Kconfig
+++ b/src/soc/intel/jasperlake/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_JASPERLAKE
 	bool
 	select ACPI_INTEL_HARDWARE_SLEEP_VALUES
diff --git a/src/soc/intel/meteorlake/Kconfig b/src/soc/intel/meteorlake/Kconfig
index 8c195440ecc6..f732d690c298 100644
--- a/src/soc/intel/meteorlake/Kconfig
+++ b/src/soc/intel/meteorlake/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_METEORLAKE
 	bool
 	select ACPI_INTEL_HARDWARE_SLEEP_VALUES
diff --git a/src/soc/intel/skylake/Kconfig b/src/soc/intel/skylake/Kconfig
index e0df5014602e..0d388049a485 100644
--- a/src/soc/intel/skylake/Kconfig
+++ b/src/soc/intel/skylake/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_COMMON_SKYLAKE_BASE
 	bool
 	select ACPI_INTEL_HARDWARE_SLEEP_VALUES
diff --git a/src/soc/intel/tigerlake/Kconfig b/src/soc/intel/tigerlake/Kconfig
index 2d5cf08a48ed..59f54aac1aa5 100644
--- a/src/soc/intel/tigerlake/Kconfig
+++ b/src/soc/intel/tigerlake/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_TIGERLAKE
 	bool
 	select ACPI_INTEL_HARDWARE_SLEEP_VALUES
diff --git a/src/soc/mediatek/common/Kconfig b/src/soc/mediatek/common/Kconfig
index 268f2f30f538..898918a621ac 100644
--- a/src/soc/mediatek/common/Kconfig
+++ b/src/soc/mediatek/common/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_MEDIATEK_COMMON
 	bool
 	select NO_ECAM_MMCONF_SUPPORT if PCI
diff --git a/src/soc/mediatek/mt8173/Kconfig b/src/soc/mediatek/mt8173/Kconfig
index 57fdf8bd4dda..aa62d6194676 100644
--- a/src/soc/mediatek/mt8173/Kconfig
+++ b/src/soc/mediatek/mt8173/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_MEDIATEK_MT8173
 	bool
 	default n
diff --git a/src/soc/mediatek/mt8183/Kconfig b/src/soc/mediatek/mt8183/Kconfig
index 324d511b85d7..3161dcc98d82 100644
--- a/src/soc/mediatek/mt8183/Kconfig
+++ b/src/soc/mediatek/mt8183/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_MEDIATEK_MT8183
 	bool
 	default n
diff --git a/src/soc/mediatek/mt8186/Kconfig b/src/soc/mediatek/mt8186/Kconfig
index 9372dae7243f..dea0d29a0ae5 100644
--- a/src/soc/mediatek/mt8186/Kconfig
+++ b/src/soc/mediatek/mt8186/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_MEDIATEK_MT8186
 	bool
 	default n
diff --git a/src/soc/mediatek/mt8188/Kconfig b/src/soc/mediatek/mt8188/Kconfig
index 494373a6ab8a..0e6788ef5fc3 100644
--- a/src/soc/mediatek/mt8188/Kconfig
+++ b/src/soc/mediatek/mt8188/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_MEDIATEK_MT8188
 	bool
 	default n
diff --git a/src/soc/mediatek/mt8192/Kconfig b/src/soc/mediatek/mt8192/Kconfig
index 3693dad1a6fa..eab40b967064 100644
--- a/src/soc/mediatek/mt8192/Kconfig
+++ b/src/soc/mediatek/mt8192/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_MEDIATEK_MT8192
 	bool
 	default n
diff --git a/src/soc/mediatek/mt8195/Kconfig b/src/soc/mediatek/mt8195/Kconfig
index 5aea90bd0afe..e6e961d3b2c8 100644
--- a/src/soc/mediatek/mt8195/Kconfig
+++ b/src/soc/mediatek/mt8195/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_MEDIATEK_MT8195
 	bool
 	default n
diff --git a/src/soc/nvidia/tegra124/Kconfig b/src/soc/nvidia/tegra124/Kconfig
index deca2cda96bc..88877e9a76f5 100644
--- a/src/soc/nvidia/tegra124/Kconfig
+++ b/src/soc/nvidia/tegra124/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_NVIDIA_TEGRA124
 	bool
 	default n
diff --git a/src/soc/nvidia/tegra210/Kconfig b/src/soc/nvidia/tegra210/Kconfig
index 0244b47deffb..755318acc542 100644
--- a/src/soc/nvidia/tegra210/Kconfig
+++ b/src/soc/nvidia/tegra210/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_NVIDIA_TEGRA210
 	bool
 	default n
diff --git a/src/soc/qualcomm/common/Kconfig b/src/soc/qualcomm/common/Kconfig
index 8a1f6d62fd7f..e0efc9a98710 100644
--- a/src/soc/qualcomm/common/Kconfig
+++ b/src/soc/qualcomm/common/Kconfig
@@ -1,3 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-only
 
 config SOC_QUALCOMM_COMMON
 	bool
diff --git a/src/soc/qualcomm/ipq40xx/Kconfig b/src/soc/qualcomm/ipq40xx/Kconfig
index 0ce92731c06a..98c3a8eae9d0 100644
--- a/src/soc/qualcomm/ipq40xx/Kconfig
+++ b/src/soc/qualcomm/ipq40xx/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_QC_IPQ40XX
 	bool
 	default n
diff --git a/src/soc/qualcomm/ipq806x/Kconfig b/src/soc/qualcomm/ipq806x/Kconfig
index 7de2a99f1eae..b9e47e5ec59b 100644
--- a/src/soc/qualcomm/ipq806x/Kconfig
+++ b/src/soc/qualcomm/ipq806x/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_QC_IPQ806X
 	bool
 	default n
diff --git a/src/soc/qualcomm/qcs405/Kconfig b/src/soc/qualcomm/qcs405/Kconfig
index bad62b236b25..7017c59b36bf 100644
--- a/src/soc/qualcomm/qcs405/Kconfig
+++ b/src/soc/qualcomm/qcs405/Kconfig
@@ -1,3 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-only
 
 config SOC_QUALCOMM_QCS405
 	bool
diff --git a/src/soc/qualcomm/sc7180/Kconfig b/src/soc/qualcomm/sc7180/Kconfig
index f813372b854e..dd4a84fa7453 100644
--- a/src/soc/qualcomm/sc7180/Kconfig
+++ b/src/soc/qualcomm/sc7180/Kconfig
@@ -1,3 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-only
 
 config SOC_QUALCOMM_SC7180
 	bool
diff --git a/src/soc/qualcomm/sc7280/Kconfig b/src/soc/qualcomm/sc7280/Kconfig
index 985afdce80d8..ac30cd99158b 100644
--- a/src/soc/qualcomm/sc7280/Kconfig
+++ b/src/soc/qualcomm/sc7280/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_QUALCOMM_SC7280
 	bool
 	default n
diff --git a/src/soc/rockchip/rk3399/Kconfig b/src/soc/rockchip/rk3399/Kconfig
index 4f7af9e0c22b..5ec548e8128e 100644
--- a/src/soc/rockchip/rk3399/Kconfig
+++ b/src/soc/rockchip/rk3399/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_ROCKCHIP_RK3399
 	bool
 	default n
diff --git a/src/soc/samsung/exynos5250/Kconfig b/src/soc/samsung/exynos5250/Kconfig
index 28a89fa9c8b9..1aa64d772238 100644
--- a/src/soc/samsung/exynos5250/Kconfig
+++ b/src/soc/samsung/exynos5250/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config CPU_SAMSUNG_EXYNOS5250
 	select ARCH_BOOTBLOCK_ARMV7
 	select ARCH_VERSTAGE_ARMV7
diff --git a/src/soc/samsung/exynos5420/Kconfig b/src/soc/samsung/exynos5420/Kconfig
index 1b80ffca322b..ef83d101c809 100644
--- a/src/soc/samsung/exynos5420/Kconfig
+++ b/src/soc/samsung/exynos5420/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config CPU_SAMSUNG_EXYNOS5420
 	select ARCH_BOOTBLOCK_ARMV7
 	select ARCH_VERSTAGE_ARMV7
diff --git a/src/soc/ti/am335x/Kconfig b/src/soc/ti/am335x/Kconfig
index 533a0de62899..b2de0ad5e2c1 100644
--- a/src/soc/ti/am335x/Kconfig
+++ b/src/soc/ti/am335x/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_TI_AM335X
 	select ARCH_BOOTBLOCK_ARMV7
 	select ARCH_VERSTAGE_ARMV7
diff --git a/src/soc/ucb/riscv/Kconfig b/src/soc/ucb/riscv/Kconfig
index 324a0fb84052..bd0945e90839 100644
--- a/src/soc/ucb/riscv/Kconfig
+++ b/src/soc/ucb/riscv/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_UCB_RISCV
 	select ARCH_RISCV_S
 	select ARCH_RISCV_U