PCI: amlogic: Add the Amlogic Meson PCIe controller driver

Yue Wang · Lorenzo Pieralisi · commit 9c0ef6d34fdb · 2018-12-19T10:24:30.000Z
The Amlogic Meson PCIe host controller is based on the Synopsys DesignWare PCI core. This patch adds the driver support for Meson PCIe controller. Link: https://lore.kernel.org/linux-pci/20181218224708.GB22610@google.com/ Signed-off-by: Yue Wang <yue.wang@amlogic.com> Signed-off-by: Hanjie Lin <hanjie.lin@amlogic.com> [lorenzo.pieralisi@arm.com: updated coding/comment style] Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
diff --git a/MAINTAINERS b/MAINTAINERS
@@ -11509,6 +11509,13 @@ T:	git git://git.kernel.org/pub/scm/linux/kernel/git/lpieralisi/pci.git/
 S:	Supported
 F:	drivers/pci/controller/
 
+PCIE DRIVER FOR AMLOGIC MESON
+M:	Yue Wang <yue.wang@Amlogic.com>
+L:	linux-pci@vger.kernel.org
+L:	linux-amlogic@lists.infradead.org
+S:	Maintained
+F:	drivers/pci/controller/dwc/pci-meson.c
+
 PCIE DRIVER FOR AXIS ARTPEC
 M:	Jesper Nilsson <jesper.nilsson@axis.com>
 L:	linux-arm-kernel@axis.com
diff --git a/drivers/pci/controller/dwc/Kconfig b/drivers/pci/controller/dwc/Kconfig
@@ -193,4 +193,14 @@ config PCIE_HISI_STB
 	help
           Say Y here if you want PCIe controller support on HiSilicon STB SoCs
 
+config PCI_MESON
+	bool "MESON PCIe controller"
+	depends on PCI_MSI_IRQ_DOMAIN
+	select PCIE_DW_HOST
+	help
+	  Say Y here if you want to enable PCI controller support on Amlogic
+	  SoCs. The PCI controller on Amlogic is based on DesignWare hardware
+	  and therefore the driver re-uses the DesignWare core functions to
+	  implement the driver.
+
 endmenu
diff --git a/drivers/pci/controller/dwc/Makefile b/drivers/pci/controller/dwc/Makefile
@@ -14,6 +14,7 @@ obj-$(CONFIG_PCIE_ARMADA_8K) += pcie-armada8k.o
 obj-$(CONFIG_PCIE_ARTPEC6) += pcie-artpec6.o
 obj-$(CONFIG_PCIE_KIRIN) += pcie-kirin.o
 obj-$(CONFIG_PCIE_HISI_STB) += pcie-histb.o
+obj-$(CONFIG_PCI_MESON) += pci-meson.o
 
 # The following drivers are for devices that use the generic ACPI
 # pci_root.c driver but don't support standard ECAM config access.
diff --git a/drivers/pci/controller/dwc/pci-meson.c b/drivers/pci/controller/dwc/pci-meson.c
