Initial import

1 files changed, 100 insertions, 0 deletions

diff --git a/drivers/of/Kconfig b/drivers/of/Kconfig
new file mode 100644
index 000000000..07bb3c8f1
--- /dev/null
+++ b/drivers/of/Kconfig
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+config DTC
+	bool
+
+config OF
+	bool
+
+menu "Device Tree and Open Firmware support"
+	depends on OF
+
+config OF_UNITTEST
+	bool "Device Tree runtime unit tests"
+	depends on OF_IRQ && OF_EARLY_FLATTREE
+	select OF_RESOLVE
+	help
+	  This option builds in test cases for the device tree infrastructure
+	  that are executed once at boot time, and the results dumped to the
+	  console.
+
+	  If unsure, say N here, but this option is safe to enable.
+
+config OF_FLATTREE
+	bool
+	select DTC
+	select LIBFDT
+	select CRC32
+
+config OF_EARLY_FLATTREE
+	bool
+	select OF_FLATTREE
+
+config OF_PROMTREE
+	bool
+
+# Hardly any platforms need this.  It is safe to select, but only do so if you
+# need it.
+config OF_DYNAMIC
+	bool "Support for dynamic device trees" if OF_UNITTEST
+	help
+	  On some platforms, the device tree can be manipulated at runtime.
+	  While this option is selected automatically on such platforms, you
+	  can enable it manually to improve device tree unit test coverage.
+
+config OF_ADDRESS
+	def_bool y
+	depends on !SPARC
+	select OF_ADDRESS_PCI if PCI
+
+config OF_ADDRESS_PCI
+	bool
+
+config OF_IRQ
+	def_bool y
+	depends on !SPARC && IRQ_DOMAIN
+
+config OF_NET
+	depends on NETDEVICES
+	def_bool y
+
+config OF_MDIO
+	def_tristate PHYLIB
+	depends on PHYLIB
+	help
+	  OpenFirmware MDIO bus (Ethernet PHY) accessors
+
+config OF_PCI
+	def_tristate PCI
+	depends on PCI
+	help
+	  OpenFirmware PCI bus accessors
+
+config OF_PCI_IRQ
+	def_tristate PCI
+	depends on OF_PCI && OF_IRQ
+	help
+	  OpenFirmware PCI IRQ routing helpers
+
+config OF_MTD
+	depends on MTD
+	def_bool y
+
+config OF_RESERVED_MEM
+	depends on OF_EARLY_FLATTREE
+	bool
+	help
+	  Helpers to allow for reservation of memory regions
+
+config OF_RESOLVE
+	bool
+
+config OF_OVERLAY
+	bool "Device Tree overlays"
+	select OF_DYNAMIC
+	select OF_RESOLVE
+	help
+	  Overlays are a method to dynamically modify part of the kernel's
+	  device tree with dynamically loaded data.
+	  While this option is selected automatically when needed, you can
+	  enable it manually to improve device tree unit test coverage.
+
+endmenu # OF