Binding document adding for Freescale MSI support. Signed-off-by: Jason Jin <[EMAIL PROTECTED]> --- Updated to V2 version per Segher's suggestion.
Documentation/powerpc/booting-without-of.txt | 40 +++++++++++++++++++++++++- 1 files changed, 39 insertions(+), 1 deletions(-) diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt index 1d2a772..887783c 100644 --- a/Documentation/powerpc/booting-without-of.txt +++ b/Documentation/powerpc/booting-without-of.txt @@ -57,7 +57,10 @@ Table of Contents n) 4xx/Axon EMAC ethernet nodes o) Xilinx IP cores p) Freescale Synchronous Serial Interface - q) USB EHCI controllers + q) USB EHCI controllers + r) Freescale Display Interface Unit + s) Freescale on board FPGA + t) Freescael MSI interrupt controller VII - Marvell Discovery mv64[345]6x System Controller chips 1) The /system-controller node @@ -2870,6 +2873,41 @@ platforms are moved over to use the flattened-device-tree model. reg = <0xe8000000 32>; }; + t) Freescale MSI interrupt controller + + Reguired properities: + - compatible : set as "fsl,86xx-MSI" for 86xx cpu, "fsl,85xx-MSI" for 85xx + cpu and "fsl,83xx-MSI" for 83xx cpu. + - 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. + - 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 (86xx CPU) + [EMAIL PROTECTED] { + compatible = "fsl,86xx-MSI"; + reg = <0x41600 0x80>; + msi-available-ranges = <0 0x100>; + interrupts = < + 0xb0 0 + 0xb1 0 + 0xb2 0 + 0xb3 0 + 0xb4 0 + 0xb5 0 + 0xb6 0 + 0xb7 0>; + interrupt-parent = <&mpic>; + }; + + VII - Marvell Discovery mv64[345]6x System Controller chips =========================================================== -- 1.5.4 _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev