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author | Michael Ellerman <mpe@ellerman.id.au> | 2014-10-03 22:59:06 (GMT) |
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committer | Michael Ellerman <mpe@ellerman.id.au> | 2014-10-03 22:59:06 (GMT) |
commit | 75d43b2d0a323ba894d85060888f039e41b441ca (patch) | |
tree | 2f49ace1f85510e8b21974e6dd45dfcc2a87666a /Documentation | |
parent | d0b7abb2c7c05552aca2a0358c53b6a48eab2843 (diff) | |
parent | cb0446c1b625326682ec4f9d1dd10779433646bc (diff) | |
download | linux-75d43b2d0a323ba894d85060888f039e41b441ca.tar.xz |
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/scottwood/linux.git
Freescale updates from Scott (27 commits):
"Highlights include DMA32 zone support (SATA, USB, etc now works on 64-bit
FSL kernels), MSI changes, 8xx optimizations and cleanup, t104x board
support, and PrPMC PCI enumeration."
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/devicetree/bindings/pci/fsl,pci.txt | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pci/fsl,pci.txt b/Documentation/devicetree/bindings/pci/fsl,pci.txt new file mode 100644 index 0000000..d8ac4a7 --- /dev/null +++ b/Documentation/devicetree/bindings/pci/fsl,pci.txt @@ -0,0 +1,27 @@ +* Bus Enumeration by Freescale PCI-X Agent + +Typically any Freescale PCI-X bridge hardware strapped into Agent mode +is prevented from enumerating the bus. The PrPMC form-factor requires +all mezzanines to be PCI-X Agents, but one per system may still +enumerate the bus. + +The property defined below will allow a PCI-X bridge to be used for bus +enumeration despite being strapped into Agent mode. + +Required properties: +- fsl,pci-agent-force-enum : There is no value associated with this + property. The property itself is treated as a boolean. + +Example: + + /* PCI-X bridge known to be PrPMC Monarch */ + pci0: pci@ef008000 { + fsl,pci-agent-force-enum; + #interrupt-cells = <1>; + #size-cells = <2>; + #address-cells = <3>; + compatible = "fsl,mpc8540-pcix", "fsl,mpc8540-pci"; + device_type = "pci"; + ... + ... + }; |