Re: [Ac100] [PATCH 00/31] ARM: tegra: use common reset and DMA bindings

[Martino Brandolini <martinobrandolini@gmail.com>]

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Dear all,
My ac100 screen is flickering so much. I realized I'm not using it anymore.
So if anyone wants to have it for free would be for me a huge pleasure to
give it away. I'm based in milan and I'll be in London for the next week.
Maybe someone needs it.

Martino


2013/11/20 Stephen Warren <swarren@wwwdotorg.org>

> On 11/20/2013 08:37 AM, Arnd Bergmann wrote:
> > On Friday 15 November 2013, Stephen Warren wrote:
> >> This series implements a common reset framework driver for Tegra, and
> >> updates all relevant Tegra drivers to use it. It also removes the custom
> >> DMA bindings and replaced them with the standard DMA DT bindings.
> >
> > The series is rather long, so I may have missed it, but I think you need
> one
> > more patch to the apbdma binding to document the use of #dma-cells, what
> > value it has, and what the format of the dma specifiers in slave drivers
> > needs to be.
>
> Yes, you're right. I will fold the following into "ARM: tegra: document
> use of standard DMA DT bindings":
>
> > diff --git a/Documentation/devicetree/bindings/dma/tegra20-apbdma.txt
> b/Documentation/devicetree/bindings/dma/tegra20-apbdma.txt
> > index 0b1e577ab9d3..0b0f9498e265 100644
> > --- a/Documentation/devicetree/bindings/dma/tegra20-apbdma.txt
> > +++ b/Documentation/devicetree/bindings/dma/tegra20-apbdma.txt
> > @@ -11,6 +11,10 @@ Required properties:
> >    See ../reset/reset.txt for details.
> >  - reset-names : Must include the following entries:
> >    - dma
> > +- #iommu-cells : Must be <1>. This dictates the length of DMA
> specifiers in
> > +  client nodes' dmas properties. The specifier represents the DMA
> request
> > +  select value for the peripheral. For more details, consult the Tegra
> TRM's
> > +  documentation of the APB DMA channel control register REQ_SEL field.
> >
> >  Examples:
> >
> > @@ -36,4 +40,5 @@ apbdma: dma@6000a000 {
> >       clocks = <&tegra_car 34>;
> >       resets = <&tegra_car 34>;
> >       reset-names = "dma";
> > +     #iommu-cells = <1>;
> >  };
>
>
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