0b3f15c259
Along with upstream kernel for Retimer firmware upgrade, coreboot provides DFPx under host router where each DFP has its PLD and DSM. The DFPx's functions encapsulates power control through GPIO, PD suspend/resume and modes setting for Retimer firmware update under NDA scenario. BUG=b:186521258 TEST=Booted to kernel and validated host router's DFPx properties after decomposing SSDT table. Signed-off-by: John Zhao <john.zhao@intel.com> Change-Id: I81bef80729f6df57119f5523358620cb015e5406 Reviewed-on: https://review.coreboot.org/c/coreboot/+/52712 Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>