[PATCH 4/4] booting-without-of for Freescale MSI

Jason Jin Jason.jin at freescale.com
Mon May 5 17:47:14 EST 2008


Binding document adding for Freescale MSI support.

Signed-off-by: Jason Jin <Jason.jin at freescale.com>
---
 Documentation/powerpc/booting-without-of.txt |   37 +++++++++++++++++++++++++-
 1 files changed, 36 insertions(+), 1 deletions(-)

diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt
index 1d2a772..9c496f6 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 +2873,38 @@ platforms are moved over to use the flattened-device-tree model.
 		reg = <0xe8000000 32>;
 	};
 
+    t) Freescale MSI interrupt controller
+
+    Reguired properities:
+    - compatible : should be "fsl,MPIC-MSI" for 85xx/86xx cpu,
+      and "fsl,IPIC-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 : should contain the msi interrupts cascade to the host
+      interrupt controller.
+    - interrupt-parent: should be "&mpic" for 85xx/86xx cpu and "&ipic"
+      for 83xx cpu.
+
+    Example (85xx/86xx)
+	msi at 41600 {
+		compatible = "fsl,MPIC-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




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