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@xxxxxxxxxxxxx>
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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