Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Received-SPF: Pass (protection.outlook.com: domain of xilinx.com designates
 149.199.62.198 as permitted sender) receiver=protection.outlook.com;
 client-ip=149.199.62.198; helo=xsj-pvapexch02.xlnx.xilinx.com;
Envelope-to: git@xilinx.com,
 mdf@kernel.org,
 trix@redhat.com,
 robh+dt@kernel.org,
 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
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
Message-ID: <20210402090933.32276-2-nava.manne@xilinx.com>
In-Reply-To: <20210402090933.32276-1-nava.manne@xilinx.com>
References: <20210402090933.32276-1-nava.manne@xilinx.com>
MIME-Version: 1.0
Content-Type: text/plain
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Apr 2021 09:18:13.9034
 (UTC)
X-MS-Exchange-CrossTenant-Network-Message-Id: 75f76c55-42ba-4c07-31c9-08d8f5b83e3a
X-MS-Exchange-CrossTenant-Id: 657af505-d5df-48d0-8300-c31994686c5c
X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=657af505-d5df-48d0-8300-c31994686c5c;Ip=[149.199.62.198];Helo=[xsj-pvapexch02.xlnx.xilinx.com]
X-MS-Exchange-CrossTenant-AuthSource: CY1NAM02FT050.eop-nam02.prod.protection.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Anonymous
X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem
X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN8PR02MB5778
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

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