Merge tag 'arm64-perf' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
[linux-2.6-block.git] / drivers / of / Kconfig
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1config DTC
2 bool
3
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4menuconfig OF
5 bool "Device Tree and Open Firmware support"
6 help
7 This option enables the device tree infrastructure.
8 It is automatically selected by platforms that need it or can
9 be enabled manually for unittests, overlays or
10 compile-coverage.
bcbefae2 11
0166dc11 12if OF
5ab5fc7e 13
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14config OF_UNITTEST
15 bool "Device Tree runtime unit tests"
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16 depends on OF_IRQ
17 select OF_EARLY_FLATTREE
2eb46da2 18 select OF_RESOLVE
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19 help
20 This option builds in test cases for the device tree infrastructure
5d927086 21 that are executed once at boot time, and the results dumped to the
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22 console.
23
24 If unsure, say N here, but this option is safe to enable.
25
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26config OF_ALL_DTBS
27 bool "Build all Device Tree Blobs"
28 depends on COMPILE_TEST
29 select DTC
30 help
31 This option builds all possible Device Tree Blobs (DTBs) for the
32 current architecture.
33
34 If unsure, say N here, but this option is safe to enable.
35
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36config OF_FLATTREE
37 bool
5ab5fc7e 38 select DTC
e6a6928c 39 select LIBFDT
08d53aa5 40 select CRC32
e169cfbe 41
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42config OF_EARLY_FLATTREE
43 bool
44 select OF_FLATTREE
45
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46config OF_PROMTREE
47 bool
48
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49# Hardly any platforms need this. It is safe to select, but only do so if you
50# need it.
fcdeb7fe 51config OF_DYNAMIC
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52 bool "Support for dynamic device trees" if OF_UNITTEST
53 help
54 On some platforms, the device tree can be manipulated at runtime.
55 While this option is selected automatically on such platforms, you
56 can enable it manually to improve device tree unit test coverage.
fcdeb7fe 57
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58config OF_ADDRESS
59 def_bool y
39da809e 60 depends on !SPARC && HAS_IOMEM
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61 select OF_ADDRESS_PCI if PCI
62
63config OF_ADDRESS_PCI
64 bool
6b884a8d 65
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66config OF_IRQ
67 def_bool y
63c60e3a 68 depends on !SPARC && IRQ_DOMAIN
e3873444 69
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70config OF_NET
71 depends on NETDEVICES
72 def_bool y
73
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74config OF_MDIO
75 def_tristate PHYLIB
5ab5fc7e 76 depends on PHYLIB
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77 help
78 OpenFirmware MDIO bus (Ethernet PHY) accessors
5ab5fc7e 79
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80config OF_PCI
81 def_tristate PCI
98d9f30c 82 depends on PCI
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83 help
84 OpenFirmware PCI bus accessors
85
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86config OF_PCI_IRQ
87 def_tristate PCI
88 depends on OF_PCI && OF_IRQ
89 help
90 OpenFirmware PCI IRQ routing helpers
91
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92config OF_MTD
93 depends on MTD
94 def_bool y
95
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96config OF_RESERVED_MEM
97 depends on OF_EARLY_FLATTREE
98 bool
99 help
100 Helpers to allow for reservation of memory regions
101
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102config OF_RESOLVE
103 bool
104
7518b589 105config OF_OVERLAY
5c776064 106 bool "Device Tree overlays"
7518b589 107 select OF_DYNAMIC
7518b589 108 select OF_RESOLVE
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109 help
110 Overlays are a method to dynamically modify part of the kernel's
111 device tree with dynamically loaded data.
112 While this option is selected automatically when needed, you can
113 enable it manually to improve device tree unit test coverage.
7518b589 114
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115config OF_NUMA
116 bool
117
0166dc11 118endif # OF