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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-02-13 18:59:48 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-02-13 18:59:48 +0300 |
| commit | 091994cfb8e7d7a372c2d547778a91012d899e16 (patch) | |
| tree | 71c6d214f9287bb61d24345a93b60579937a711b /Documentation/devicetree/bindings/powerpc/fsl/msi-pic.txt | |
| parent | d8ed516f82f0f4cda11282450512310ab273637e (diff) | |
| parent | c170093d31bd4e3bc51881cc0f123beeca7872c9 (diff) | |
| download | linux-091994cfb8e7d7a372c2d547778a91012d899e16.tar.xz | |
Merge branch 'spi/merge' of git://git.secretlab.ca/git/linux-2.6
* 'spi/merge' of git://git.secretlab.ca/git/linux-2.6:
devicetree-discuss is moderated for non-subscribers
MAINTAINERS: Add entry for GPIO subsystem
dt: add documentation of ARM dt boot interface
dt: Remove obsolete description of powerpc boot interface
dt: Move device tree documentation out of powerpc directory
spi/spi_sh_msiof: fix wrong address calculation, which leads to an Oops
Diffstat (limited to 'Documentation/devicetree/bindings/powerpc/fsl/msi-pic.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/powerpc/fsl/msi-pic.txt | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/powerpc/fsl/msi-pic.txt b/Documentation/devicetree/bindings/powerpc/fsl/msi-pic.txt new file mode 100644 index 000000000000..bcc30bac6831 --- /dev/null +++ b/Documentation/devicetree/bindings/powerpc/fsl/msi-pic.txt @@ -0,0 +1,36 @@ +* Freescale MSI interrupt controller + +Required properties: +- compatible : compatible list, contains 2 entries, + first is "fsl,CHIP-msi", where CHIP is the processor(mpc8610, mpc8572, + etc.) and the second is "fsl,mpic-msi" or "fsl,ipic-msi" depending on + the parent type. +- reg : should contain the address and the length of the shared message + interrupt register set. +- msi-available-ranges: use <start count> style section to define which + msi interrupt can be used in the 256 msi interrupts. This property is + optional, without this, all the 256 MSI interrupts can be used. +- interrupts : each one of the interrupts here is one entry per 32 MSIs, + and routed to the host interrupt controller. the interrupts should + be set as edge sensitive. +- interrupt-parent: the phandle for the interrupt controller + that services interrupts for this device. for 83xx cpu, the interrupts + are routed to IPIC, and for 85xx/86xx cpu the interrupts are routed + to MPIC. + +Example: + msi@41600 { + compatible = "fsl,mpc8610-msi", "fsl,mpic-msi"; + reg = <0x41600 0x80>; + msi-available-ranges = <0 0x100>; + interrupts = < + 0xe0 0 + 0xe1 0 + 0xe2 0 + 0xe3 0 + 0xe4 0 + 0xe5 0 + 0xe6 0 + 0xe7 0>; + interrupt-parent = <&mpic>; + }; |