[PATCH] iommu/ipmmu-vmsa: Include SoC part number in DT binding docs

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From: Magnus Damm <damm+renesas@xxxxxxxxxxxxx>

Add part numbers for APE6 and current set of R-Car Gen2 SoCs to the
IPMMU DT binding documentation. The example is also updated to show
how the generic compatible string may be used as fallback.

Signed-off-by: Magnus Damm <damm+renesas@xxxxxxxxxxxxx>
---

 Documentation/devicetree/bindings/iommu/renesas,ipmmu-vmsa.txt |   12 ++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

--- 0001/Documentation/devicetree/bindings/iommu/renesas,ipmmu-vmsa.txt
+++ work/Documentation/devicetree/bindings/iommu/renesas,ipmmu-vmsa.txt	2015-10-18 15:53:08.850513000 +0900
@@ -7,7 +7,15 @@ connected to the IPMMU through a port ca
 
 Required Properties:
 
-  - compatible: Must contain "renesas,ipmmu-vmsa".
+  - compatible: Must contain one of the following:
+
+    - "renesas,ipmmu-r8a73a4" for the R8A73A4 (R-Mobile APE6) IPMMU.
+    - "renesas,ipmmu-r8a7790" for the R8A7790 (R-Car H2) IPMMU.
+    - "renesas,ipmmu-r8a7791" for the R8A7791 (R-Car M2-W) IPMMU.
+    - "renesas,ipmmu-r8a7793" for the R8A7793 (R-Car M2-N) IPMMU.
+    - "renesas,ipmmu-r8a7794" for the R8A7794 (R-Car E2) IPMMU.
+    - "renesas,ipmmu-vmsa" for generic R-Car Gen2 VMSA-compatible IPMMU.
+
   - reg: Base address and size of the IPMMU registers.
   - interrupts: Specifiers for the MMU fault interrupts. For instances that
     support secure mode two interrupts must be specified, for non-secure and
@@ -27,7 +35,7 @@ node with the following property:
 Example: R8A7791 IPMMU-MX and VSP1-D0 bus master
 
 	ipmmu_mx: mmu@fe951000 {
-		compatible = "renasas,ipmmu-vmsa";
+		compatible = "renasas,ipmmu-r8a7791", "renasas,ipmmu-vmsa";
 		reg = <0 0xfe951000 0 0x1000>;
 		interrupts = <0 222 IRQ_TYPE_LEVEL_HIGH>,
 			     <0 221 IRQ_TYPE_LEVEL_HIGH>;
--
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