pci: phytium: Add PCIe endpoint controller support

Add PCIe endpoint controller driver for Phytium Pd2008 SoC.

Signed-off-by: Li Guohui <[email protected]>
Signed-off-by: Yang Xun <[email protected]>
Signed-off-by: Chen Baozi <[email protected]>
Signed-off-by: Wang Yinfeng <[email protected]>

Author: hhhui-L

drivers/pci/controller/Kconfig

@@ -215,6 +215,16 @@ config PCIE_MT7621
 	help
 	  This selects a driver for the MediaTek MT7621 PCIe Controller.
 
+config PCIE_PHYTIUM_EP
+	tristate "Phytium PCIe endpoint controller"
+	depends on OF
+	depends on PCI_ENDPOINT
+	help
+	  Say Y here if you want to support Phytium PCIe controller in
+	  endpoint mode on Phytium SoC. The controller can act as Root Port
+	  or End Point with different phytium firmware. But End Point mode only support
+	  one physical function.
+
 config PCIE_MICROCHIP_HOST
 	tristate "Microchip AXI PCIe controller"
 	depends on PCI_MSI && OF

drivers/pci/controller/Makefile

@@ -39,6 +39,7 @@ obj-$(CONFIG_PCI_LOONGSON) += pci-loongson.o
 obj-$(CONFIG_PCIE_HISI_ERR) += pcie-hisi-error.o
 obj-$(CONFIG_PCIE_APPLE) += pcie-apple.o
 obj-$(CONFIG_PCIE_MT7621) += pcie-mt7621.o
+obj-$(CONFIG_PCIE_PHYTIUM_EP) += pcie-phytium-ep.o
 
 # pcie-hisi.o quirks are needed even without CONFIG_PCIE_DW
 obj-y				+= dwc/