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

From: Nava kishore Manne <nava.manne@xilinx.com>
To: <mdf@kernel.org>, <trix@redhat.com>, <robh+dt@kernel.org>,
	<michal.simek@xilinx.com>, <sumit.semwal@linaro.org>,
	<christian.koenig@amd.com>, <linux-fpga@vger.kernel.org>,
	<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-media@vger.kernel.org>, <dri-devel@lists.freedesktop.org>,
	<linaro-mm-sig@lists.linaro.org>, <git@xilinx.com>
Cc: Nava kishore Manne <nava.manne@xilinx.com>
Subject: [PATCH RFC 1/3] fpga: region: Add fpga-region property 'fpga-config-from-dmabuf'
Date: Fri, 2 Apr 2021 14:39:31 +0530	[thread overview]
Message-ID: <20210402090933.32276-2-nava.manne@xilinx.com> (raw)
In-Reply-To: <20210402090933.32276-1-nava.manne@xilinx.com>

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.
 - 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

