linux-kernel - [PATCH 1/2] fpga: doc: Add binding doc for the afi config driver

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Message-Id: <1586946290-7280-1-git-send-email-nava.manne@xilinx.com>
Date:   Wed, 15 Apr 2020 15:54:49 +0530
From:   Nava kishore Manne <nava.manne@...inx.com>
To:     mdf@...nel.org, michal.simek@...inx.com,
        linux-fpga@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, chinnikishore369@...il.com
Cc:     Nava kishore Manne <nava.manne@...inx.com>
Subject: [PATCH 1/2] fpga: doc: Add binding doc for the afi config driver

This patch adds the binding document for the afi
config driver.

Signed-off-by: Nava kishore Manne <nava.manne@...inx.com>
---
 .../devicetree/bindings/fpga/xlnx,zynq-afi-fpga.txt   | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/fpga/xlnx,zynq-afi-fpga.txt

diff --git a/Documentation/devicetree/bindings/fpga/xlnx,zynq-afi-fpga.txt b/Documentation/devicetree/bindings/fpga/xlnx,zynq-afi-fpga.txt
new file mode 100644
index 0000000..e00942c
--- /dev/null
+++ b/Documentation/devicetree/bindings/fpga/xlnx,zynq-afi-fpga.txt
@@ -0,0 +1,19 @@
+Xilinx Zynq AFI interface Manager
+
+The Zynq Processing System core provides access from PL masters to PS
+internal peripherals, and memory through AXI FIFO interface
+(AFI) interfaces.
+
+Required properties:
+-compatible:	Should contain "xlnx,zynq-afi-fpga"
+-reg:	Physical base address and size of the controller's register area.
+-xlnx,afi-buswidth :	Size of the afi bus width.
+			0: 64-bit AXI data width,
+			1: 32-bit AXI data width,
+
+Example:
+afi0: afi0 {
+	compatible = "xlnx,zynq-afi-fpga";
+	reg = <0xf8008000 0x1000>;
+	xlnx,afi-buswidth = <1>;
+};
-- 
2.7.4