diff options
author | Grant Likely <grant.likely@secretlab.ca> | 2011-03-17 13:46:58 -0600 |
---|---|---|
committer | Grant Likely <grant.likely@secretlab.ca> | 2011-03-17 13:48:06 -0600 |
commit | 2dd22997679a88874c131f6e6ffb963e6d43b3a6 (patch) | |
tree | bfe1707dda7e755b8b550c6796e2649813bcfbb9 /Documentation/devicetree/bindings/x86/ce4100.txt | |
parent | 36885ff0e6563687e6152da6d311abbf83c0198f (diff) | |
parent | 7b7adc4a016a1decb806eb71ecab98721fa7f146 (diff) |
Merge remote-tracking branch 'origin' into spi/next
Pull in Linus' tree to pick up changes required for the langwell gpio fixes
Diffstat (limited to 'Documentation/devicetree/bindings/x86/ce4100.txt')
-rw-r--r-- | Documentation/devicetree/bindings/x86/ce4100.txt | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/x86/ce4100.txt b/Documentation/devicetree/bindings/x86/ce4100.txt new file mode 100644 index 00000000000..b49ae593a60 --- /dev/null +++ b/Documentation/devicetree/bindings/x86/ce4100.txt @@ -0,0 +1,38 @@ +CE4100 Device Tree Bindings +--------------------------- + +The CE4100 SoC uses for in core peripherals the following compatible +format: <vendor>,<chip>-<device>. +Many of the "generic" devices like HPET or IO APIC have the ce4100 +name in their compatible property because they first appeared in this +SoC. + +The CPU node +------------ + cpu@0 { + device_type = "cpu"; + compatible = "intel,ce4100"; + reg = <0>; + lapic = <&lapic0>; + }; + +The reg property describes the CPU number. The lapic property points to +the local APIC timer. + +The SoC node +------------ + +This node describes the in-core peripherals. Required property: + compatible = "intel,ce4100-cp"; + +The PCI node +------------ +This node describes the PCI bus on the SoC. Its property should be + compatible = "intel,ce4100-pci", "pci"; + +If the OS is using the IO-APIC for interrupt routing then the reported +interrupt numbers for devices is no longer true. In order to obtain the +correct interrupt number, the child node which represents the device has +to contain the interrupt property. Besides the interrupt property it has +to contain at least the reg property containing the PCI bus address and +compatible property according to "PCI Bus Binding Revision 2.1". |