On Mon, 30 Oct 2017 15:46:51 +0200
Horia Geantă <horia.geanta@xxxxxxx> wrote:
> +=====================================================================
> +CAAM DMA Node
> +
> + Child node of the crypto node that enables the use of the DMA capabilities
> + of the CAAM by a stand-alone driver. The only required property is the
> + "compatible" property. All the other properties are determined from
> + the job rings on which the CAAM DMA driver depends (ex: the number of
> + dma-channels is equal to the number of defined job rings).
> +
> + - compatible
> + Usage: required
> + Value type: <string>
> + Definition: Must include "fsl,sec-v4.0-dma"
> +
> +EXAMPLE
> + caam-dma {
> + compatible = "fsl,sec-v5.4-dma",
> + "fsl,sec-v5.0-dma",
> + "fsl,sec-v4.0-dma";
> + }
If this isn't describing an aspect of the hardware, then what is it
doing in the device tree?
Kim
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