omap3: Add interface for omap3 DMA
Adds an interface to use the OMAP3 DMA.
Signed-off-by: Simon Schwarz <simonschwarzcor@gmail.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
diff --git a/doc/README.omap3 b/doc/README.omap3
index 1768cdd..2a3f46b 100644
--- a/doc/README.omap3
+++ b/doc/README.omap3
@@ -95,6 +95,7 @@
==========
gpio
+----
To set a bit :
@@ -122,6 +123,23 @@
else
printf("GPIO N is clear\n");
+dma
+---
+void omap3_dma_init(void)
+ Init the DMA module
+int omap3_dma_get_conf_chan(uint32_t chan, struct dma4_chan *config);
+ Read config of the channel
+int omap3_dma_conf_chan(uint32_t chan, struct dma4_chan *config);
+ Write config to the channel
+int omap3_dma_conf_transfer(uint32_t chan, uint32_t *src, uint32_t *dst,
+ uint32_t sze)
+ Config source, destination and size of a transfer
+int omap3_dma_wait_for_transfer(uint32_t chan)
+ Wait for a transfer to end - this hast to be called before a channel
+ or the data the channel transferd are used.
+int omap3_dma_get_revision(uint32_t *minor, uint32_t *major)
+ Read silicon Revision of the DMA module
+
Acknowledgements
================