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-rw-r--r--drivers/pci/pcie/Kconfig11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/pci/pcie/Kconfig b/drivers/pci/pcie/Kconfig
index 7fcea75afa4c..7ce77635e5ad 100644
--- a/drivers/pci/pcie/Kconfig
+++ b/drivers/pci/pcie/Kconfig
@@ -92,3 +92,14 @@ config PCIE_DPC
will be handled by the DPC driver. If your system doesn't
have this capability or you do not want to use this feature,
it is safe to answer N.
+
+config PCIE_PTM
+ bool "PCIe Precision Time Measurement support"
+ default n
+ depends on PCIEPORTBUS
+ help
+ This enables PCI Express Precision Time Measurement (PTM)
+ support.
+
+ This is only useful if you have devices that support PTM, but it
+ is safe to enable even if you don't.