diff options
Diffstat (limited to 'kernel/drivers/of/Kconfig')
| -rw-r--r-- | kernel/drivers/of/Kconfig | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/kernel/drivers/of/Kconfig b/kernel/drivers/of/Kconfig new file mode 100644 index 000000000..07bb3c8f1 --- /dev/null +++ b/kernel/drivers/of/Kconfig @@ -0,0 +1,100 @@ +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 |