[PATCH 06/11] documentation/iommu: Update description of ARM System MMU binding

[Rob Herring]

On Thu, Jan 16, 2014 at 6:44 AM, Andreas Herrmann
<andreas.herrmann at calxeda.com> wrote:
> This patch adds descriptions fore new properties of device tree
> binding for the ARM SMMU architecture. These properties control
> arm-smmu driver options.
>
> Cc: Rob Herring <robherring2 at gmail.com>
> Cc: Grant Likely <grant.likely at linaro.org>
> Cc: Will Deacon <will.deacon at arm.com>
> Cc: Andreas Herrmann <herrmann.der.user at googlemail.com>
> Signed-off-by: Andreas Herrmann <andreas.herrmann at calxeda.com>

Acked-by: Rob Herring <robh at kernel.org>

> ---
>  .../devicetree/bindings/iommu/arm,smmu.txt         |   11 +++++++++++
>  1 file changed, 11 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.txt b/Documentation/devicetree/bindings/iommu/arm,smmu.txt
> index e34c6cd..7ad8ff0 100644
> --- a/Documentation/devicetree/bindings/iommu/arm,smmu.txt
> +++ b/Documentation/devicetree/bindings/iommu/arm,smmu.txt
> @@ -48,6 +48,16 @@ conditions.
>                    from the mmu-masters towards memory) node for this
>                    SMMU.
>
> +- arm,smmu-isolate-devices : Enable device isolation for all masters
> +                   of this SMMU. Ie. each master will be attached to
> +                   its own iommu domain.
> +
> +- calxeda,smmu-secure-config-access : Enable proper handling of buggy
> +                   implementations that always use secure access to
> +                   SMMU configuration registers. In this case
> +                   non-secure aliases of secure registers have to be
> +                   used during SMMU configuration.
> +
>  Example:
>
>          smmu {
> @@ -67,4 +77,5 @@ Example:
>                   */
>                  mmu-masters = <&dma0 0xd01d 0xd01e>,
>                                <&dma1 0xd11c>;
> +                arm,smmu-isolate-devices;
>          };
> --
> 1.7.9.5
>