Eric Lee / smarc-fsl-linux-kernel

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81f7e3824   Eric Lee   Initial Release, ... 
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  config DTC
  	bool
  
  menuconfig OF
  	bool "Device Tree and Open Firmware support"
  	help
  	  This option enables the device tree infrastructure.
  	  It is automatically selected by platforms that need it or can
  	  be enabled manually for unittests, overlays or
  	  compile-coverage.
  
  if OF
  
  config OF_UNITTEST
  	bool "Device Tree runtime unit tests"
  	depends on OF_IRQ
  	select 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_ALL_DTBS
  	bool "Build all Device Tree Blobs"
  	depends on COMPILE_TEST
  	select DTC
  	help
  	  This option builds all possible Device Tree Blobs (DTBs) for the
  	  current architecture.
  
  	  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 && HAS_IOMEM
  	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
  	select FIXED_PHY
  	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_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.
  
  config OF_NUMA
  	bool
  
  endif # OF