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iommu/ipmmu-vmsa: Include SoC part number in DT binding docs
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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@opensource.se>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Magnus Damm authored and Joerg Roedel committed Nov 26, 2015
1 parent 1ec2183 commit 89ae54b
Showing 1 changed file with 10 additions and 2 deletions.
12 changes: 10 additions & 2 deletions Documentation/devicetree/bindings/iommu/renesas,ipmmu-vmsa.txt
Original file line number Diff line number Diff line change
@@ -7,7 +7,15 @@ connected to the IPMMU through a port called micro-TLB.

Required Properties:

- compatible: Must contain "renesas,ipmmu-vmsa".
- compatible: Must contain SoC-specific and generic entries from below.

- "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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