Merge branch 'pci/host-designware' into next

* pci/host-designware:
  PCI: designware: Add driver for prototyping kits based on ARC SDP
  PCI: designware: Add default link up check if sub-driver doesn't override
  PCI: designware: Add generic dw_pcie_wait_for_link()
  ARC: Add PCI support

drivers/pci/host/Kconfig

@@ -16,6 +16,7 @@ config PCI_MVEBU
 	depends on ARCH_MVEBU || ARCH_DOVE
 	depends on OF
 
+
 config PCIE_XILINX_NWL
 	bool "NWL PCIe Core"
 	depends on ARCH_ZYNQMP
@@ -26,6 +27,17 @@ config PCIE_XILINX_NWL
 	 or End Point. The current option selection will only
 	 support root port enabling.
 
+config PCIE_DW_PLAT
+	bool "Platform bus based DesignWare PCIe Controller"
+	select PCIE_DW
+	---help---
+	 This selects the DesignWare PCIe controller support. Select this if
+	 you have a PCIe controller on Platform bus.
+
+	 If you have a controller with this interface, say Y or M here.
+
+	 If unsure, say N.
+
 config PCIE_DW
 	bool