Messages in this thread | | | From | Gene Anderson <> | Subject | Re: [PATCHv5] dmaengine: Add support for BCM2835 | Date | Tue, 24 Dec 2013 14:31:31 +0000 (UTC) |
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Group:
This is a request to augment with comments the DREQ explanation in the Broadcom BCM2835 pdf on page 61 regarding DMA peripheral mapping. Specifically, how to identify a pin on the 26 pin header to use for DMA reads. More specifically, if a clock signal, like GPCLK0 is output to the peripheral device (like an A/D converter) how we specify PERMAP in the DMA TI register. Your users would be infinitely grateful.
thank you,
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