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Matt DeVillier 1f12249ec0 mb/lenovo/{t480,t480s,x280}: Enable TBT support 
Select the discrete TBT controller driver, and configure the necessary
GPIOs for the Alpine Ridge TBT controller to be fully functional.
Add ACPI to ensure the TBT controller properly handles S3 sleep and
resume. Update the documentation w/r/t TBT functionality.

TEST=build/boot Lenovo T480, boot Linux, verify all TBT-related PCI
devices populated, lower USB-C port works for USB data and PCIe.

Change-Id: Ie5586fa72ed6819b9d1c37373c21605d39bad7b4
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/88490
Reviewed-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2026-02-17 14:23:58 +00:00
..
_static
acpi Docs: Revert false MyST Parser toctree conversions 2024-09-09 23:26:42 +00:00
arch Documentation: Improve x86_64 2025-02-14 17:11:04 +00:00
community doc/community: Add a section on cross-project collaboration 2025-04-05 14:40:40 +00:00
contributing Doc/contributing: Add clarification on how to reference other commits 2025-08-19 20:57:21 +00:00
drivers drivers/option/cfr: Remove old sm_object from constructor 2025-11-15 15:27:32 +00:00
getting_started Documentation: Fix typo in 'particularly' 2025-12-25 15:43:46 +00:00
gfx Doc/gfx/libgfxinit.md: Fix file names in source code references 2025-07-14 14:38:41 +00:00
infrastructure Docs: Convert bare URLs into hyperlinks 2024-12-14 06:23:13 +00:00
internals Documentation: Add Device Operations 2025-05-09 14:15:15 +00:00
lib Documentation/lib: Update Timestamp documentation 2025-07-04 13:18:33 +00:00
mainboard mb/lenovo/{t480,t480s,x280}: Enable TBT support 2026-02-17 14:23:58 +00:00
northbridge Docs: Use markdown autolinks instead of Sphinx doc directive 2025-08-02 16:47:10 +00:00
releases Documentation: Finalize 25.12 release notes 2025-12-21 20:21:47 +00:00
RFC Docs: Address remaining documents not included in toctrees 2024-10-27 23:50:29 +00:00
sbom Documentation: Update Makefile .inc references to .mk 2024-01-26 13:08:30 +00:00
security Documentation/vboot: Update vboot supported boards list 2025-12-18 17:36:57 +00:00
soc Documentation/soc/intel/redundancy.md: add 2026-02-10 21:13:57 +00:00
superio Docs: Fix broken header references 2024-08-21 16:18:23 +00:00
technotes Docs: Convert bare URLs into hyperlinks 2024-12-14 06:23:13 +00:00
tutorial Documentation/tutorial/managing_local_additions.md: Add symlink info 2024-12-03 14:06:46 +00:00
util Documentation/util/intelp2m: Add info for developers 2025-04-14 13:52:13 +00:00
vendorcode Docs: Replace Recommonmark with MyST Parser 2024-03-21 16:11:56 +00:00
.gitignore .gitignore: Split into subdirectory files 2020-10-30 07:05:27 +00:00
.mdl_style.rb Documentation: Add mdl style file 2022-07-14 12:38:56 +00:00
acronyms.md Makefile.mk: Remove "crt0" dead code 2026-01-25 19:05:42 +00:00
AMD-S3.txt
beginverbatim.tex
cbfs.txt Fix typos involving "the the" 2018-12-18 13:24:28 +00:00
codeflow.svg Documentation: Remove whitespace before tab 2018-06-04 11:48:23 +00:00
conf.py Documentation: Remove ditaa support 2024-10-27 23:51:03 +00:00
COPYING
coreboot_logo.bmp Documentation: Add coreboot logo in BMP format for payload use 2022-07-27 13:58:27 +00:00
coreboot_logo.png
coreboot_logo.svg Documentation: Add the coreboot logo in SVG format 2022-07-21 10:35:16 +00:00
corebootBuildingGuide.tex Documentation: Adjust master -> main branch 2023-09-15 18:42:46 +00:00
distributions.md doc/distributions: Update NovaCustom domain 2024-06-06 23:11:34 +00:00
documentation_license.md Documentation: Move documentation license to main menu 2022-03-24 15:47:11 +00:00
endverbatim.tex
external_docs.md Docs: Revert false MyST Parser toctree conversions 2024-09-09 23:26:42 +00:00
gcov.txt Documentation: Fix spelling errors 2021-10-05 18:06:24 +00:00
hypertransport.svg
index.md Documentation/internals: Add devicetree documentation 2025-04-06 20:37:34 +00:00
Makefile Docs: Turn warnings into errors 2024-10-27 23:51:11 +00:00
Makefile.sphinx Documentation: Fix make rule for sphinx-autobuild 2025-01-22 20:38:26 +00:00
payloads.md Documentation: Add method for GRUB2 to load seabios from drive 2026-01-01 17:12:26 +00:00
POSTCODES Makefile.mk: Remove "crt0" dead code 2026-01-25 19:05:42 +00:00
util.md util/mediatek: Add check-pi-img.py 2025-04-14 07:35:00 +00:00