On 04/03/2017 04:59 PM, Bin Liu wrote:
On Wed, Mar 29, 2017 at 06:24:31PM +0200, Alexandre Bailon wrote:
Currently, only the PIO mode is supported.
This add support of CPPI 4.1 to DA8xx.
As the In DA8xx the CPPI 4.1 DMA is a part of the USB.
Create the CPPI 4.1 device as a child of USB.
Signed-off-by: Alexandre Bailon <abailon@xxxxxxxxxxxx>
---
drivers/usb/musb/Kconfig | 4 ++--
drivers/usb/musb/da8xx.c | 43 ++++++++++++++++++++++++++++++++++++++++++-
2 files changed, 44 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig
index 72a2a50..5506a9c 100644
--- a/drivers/usb/musb/Kconfig
+++ b/drivers/usb/musb/Kconfig
@@ -160,8 +160,8 @@ config USB_TI_CPPI_DMA
Enable DMA transfers when TI CPPI DMA is available.
config USB_TI_CPPI41_DMA
- bool 'TI CPPI 4.1 (AM335x)'
- depends on ARCH_OMAP && DMADEVICES
+ bool 'TI CPPI 4.1'
+ depends on (ARCH_OMAP || ARCH_DAVINCI_DA8XX) && DMADEVICES
select TI_CPPI41
TI_CPPI41 also should depend on ARCH_DAVINCI_DA8XX due to this patch. You
might need the following change for dma Kconfig as well.
This change has been done in the series "dmaengine: cppi41: Add dma
support to da8xx".
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index d01d59812cf3..15e31bfae9f9 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -514,8 +514,8 @@ config TIMB_DMA
Enable support for the Timberdale FPGA DMA engine.
config TI_CPPI41
- tristate "AM33xx CPPI41 DMA support"
- depends on ARCH_OMAP
+ tristate "CPPI41 DMA support"
+ depends on ARCH_OMAP || ARCH_DAVINCI_DA8XX
select DMA_ENGINE
help
The Communications Port Programming Interface (CPPI) 4.1 DMA engine
Regards,
-Bin.
Regards,
Alexandre
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