PCI: mvebu: add support for Marvell Dove SoCs

This patch adds a compatible for the PCIe controller found on Marvell
Dove SoCs. Binding documentation and Kconfig entry are also updated.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

Documentation/devicetree/bindings/pci/mvebu-pci.txt

@@ -5,6 +5,7 @@ Mandatory properties:
 - compatible: one of the following values:
     marvell,armada-370-pcie
     marvell,armada-xp-pcie
+    marvell,dove-pcie
     marvell,kirkwood-pcie
 - #address-cells, set to <3>
 - #size-cells, set to <2>

drivers/pci/host/Kconfig

@@ -3,7 +3,7 @@ menu "PCI host controller drivers"
 
 config PCI_MVEBU
 	bool "Marvell EBU PCIe controller"
-	depends on ARCH_MVEBU || ARCH_KIRKWOOD
+	depends on ARCH_MVEBU || ARCH_DOVE || ARCH_KIRKWOOD
 	depends on OF
 
 config PCIE_DW

drivers/pci/host/pci-mvebu.c

@@ -976,6 +976,7 @@ static int mvebu_pcie_probe(struct platform_device *pdev)
 static const struct of_device_id mvebu_pcie_of_match_table[] = {
 	{ .compatible = "marvell,armada-xp-pcie", },
 	{ .compatible = "marvell,armada-370-pcie", },
+	{ .compatible = "marvell,dove-pcie", },
 	{ .compatible = "marvell,kirkwood-pcie", },
 	{},
 };