On Thu, 15 May 2014 22:37:31 +0200, Thierry Reding wrote:
> On Mon, Apr 28, 2014 at 02:05:30PM +0200, Arnd Bergmann wrote:
> [...]
> > let me clarify by example:
> >
> > iommu@1 {
> > compatible = "some,simple-iommu";
> > reg = <1>;
> > #iommu-cells = <0>; /
On Mon, Apr 28, 2014 at 02:05:30PM +0200, Arnd Bergmann wrote:
[...]
> let me clarify by example:
>
> iommu@1 {
> compatible = "some,simple-iommu";
> reg = <1>;
> #iommu-cells = <0>; /* supports only one master */
> };
>
> iommu@2 {
>
On 04/28/2014 05:18 AM, Thierry Reding wrote:
> On Mon, Apr 28, 2014 at 12:56:03PM +0200, Arnd Bergmann wrote:
...
>> A lot of drivers probably only support one
>> master, so they can just set #iommu-cells=<0>, others might require
>> IDs that do not fit into one cell.
>
> You mean "#iommu-cells =
On Mon, Apr 28, 2014 at 02:05:30PM +0200, Arnd Bergmann wrote:
> On Monday 28 April 2014 13:18:03 Thierry Reding wrote:
> > On Mon, Apr 28, 2014 at 12:56:03PM +0200, Arnd Bergmann wrote:
> > > On Monday 28 April 2014 12:39:20 Thierry Reding wrote:
> > > > And possibly with a iommu-names property to
On Monday 28 April 2014 13:18:03 Thierry Reding wrote:
> On Mon, Apr 28, 2014 at 12:56:03PM +0200, Arnd Bergmann wrote:
> > On Monday 28 April 2014 12:39:20 Thierry Reding wrote:
> > > And possibly with a iommu-names property to go along with that. The idea
> > > being that a device can be a master
On Mon, Apr 28, 2014 at 12:56:03PM +0200, Arnd Bergmann wrote:
> On Monday 28 April 2014 12:39:20 Thierry Reding wrote:
> > On Sun, Apr 27, 2014 at 08:23:06PM +0200, Arnd Bergmann wrote:
> > > On Sunday 27 April 2014 13:07:43 Shaik Ameer Basha wrote:
> > > > +- mmu-masters: A phandle to device node
On Monday 28 April 2014 12:39:20 Thierry Reding wrote:
> On Sun, Apr 27, 2014 at 08:23:06PM +0200, Arnd Bergmann wrote:
> > On Sunday 27 April 2014 13:07:43 Shaik Ameer Basha wrote:
> > > +- mmu-masters: A phandle to device nodes representing the master for
> > > which
> > > + the Sy
On Sun, Apr 27, 2014 at 08:23:06PM +0200, Arnd Bergmann wrote:
> On Sunday 27 April 2014 13:07:43 Shaik Ameer Basha wrote:
> > +- mmu-masters: A phandle to device nodes representing the master for which
> > + the System MMU can provide a translation. Any additional
> > values
> > +
On Sunday 27 April 2014 13:07:43 Shaik Ameer Basha wrote:
> +- mmu-masters: A phandle to device nodes representing the master for which
> + the System MMU can provide a translation. Any additional
> values
> + after the phandle will be ignored because a System MMU never
From: Cho KyongHo
This patch adds a description of the device tree binding for the
Samsung Exynos System MMU.
Signed-off-by: Cho KyongHo
---
.../devicetree/bindings/iommu/samsung,sysmmu.txt | 79
1 file changed, 79 insertions(+)
create mode 100644 Documentation/device
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