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[RFC,1/3] fpga: region: Add fpga-region property 'fpga-config-from-dmabuf'

Message ID 20210402090933.32276-2-nava.manne@xilinx.com (mailing list archive)
State New
Headers show
Series Adds support to allow the bitstream configuration from pre-allocated dma-buffer | expand

Commit Message

Nava kishore Manne April 2, 2021, 9:09 a.m. UTC
Add "fpga-config-from-dmabuf" property to allow the bitstream
configuration from pre-allocated dma-buffer.

Signed-off-by: Nava kishore Manne <nava.manne@xilinx.com>
---
 Documentation/devicetree/bindings/fpga/fpga-region.txt | 2 ++
 1 file changed, 2 insertions(+)

Comments

Rob Herring (Arm) April 9, 2021, 2:47 p.m. UTC | #1
On Fri, Apr 02, 2021 at 02:39:31PM +0530, Nava kishore Manne wrote:
> Add "fpga-config-from-dmabuf" property to allow the bitstream
> configuration from pre-allocated dma-buffer.
> 
> Signed-off-by: Nava kishore Manne <nava.manne@xilinx.com>
> ---
>  Documentation/devicetree/bindings/fpga/fpga-region.txt | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/fpga/fpga-region.txt b/Documentation/devicetree/bindings/fpga/fpga-region.txt
> index 969ca53bb65e..c573cf258d60 100644
> --- a/Documentation/devicetree/bindings/fpga/fpga-region.txt
> +++ b/Documentation/devicetree/bindings/fpga/fpga-region.txt
> @@ -177,6 +177,8 @@ Optional properties:
>  	it indicates that the FPGA has already been programmed with this image.
>  	If this property is in an overlay targeting a FPGA region, it is a
>  	request to program the FPGA with that image.
> +- fpga-config-from-dmabuf : boolean, set if the FPGA configured done from the
> +	pre-allocated dma-buffer.

Sounds like an implementation detail of the OS. Doesn't belong in DT.

Rob

>  - fpga-bridges : should contain a list of phandles to FPGA Bridges that must be
>  	controlled during FPGA programming along with the parent FPGA bridge.
>  	This property is optional if the FPGA Manager handles the bridges.
> -- 
> 2.18.0
>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/fpga/fpga-region.txt b/Documentation/devicetree/bindings/fpga/fpga-region.txt
index 969ca53bb65e..c573cf258d60 100644
--- a/Documentation/devicetree/bindings/fpga/fpga-region.txt
+++ b/Documentation/devicetree/bindings/fpga/fpga-region.txt
@@ -177,6 +177,8 @@  Optional properties:
 	it indicates that the FPGA has already been programmed with this image.
 	If this property is in an overlay targeting a FPGA region, it is a
 	request to program the FPGA with that image.
+- fpga-config-from-dmabuf : boolean, set if the FPGA configured done from the
+	pre-allocated dma-buffer.
 - fpga-bridges : should contain a list of phandles to FPGA Bridges that must be
 	controlled during FPGA programming along with the parent FPGA bridge.
 	This property is optional if the FPGA Manager handles the bridges.