Documentation: dt: socfpga: Add Arria10 USB EDAC binding

Add the device tree bindings needed to support the Altera USB
FIFO buffer on the Arria10 chip.

Signed-off-by: Thor Thayer <tthayer@opensource.altera.com>
Acked-by: Rob Herring <robh+dt@kernel.org>
Cc: devicetree@vger.kernel.org
Cc: dinguyen@opensource.altera.com
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/1468512408-5156-4-git-send-email-tthayer@opensource.altera.com
Signed-off-by: Borislav Petkov <bp@suse.de>

diff --git a/Documentation/devicetree/bindings/arm/altera/socfpga-eccmgr.txt b/Documentation/devicetree/bindings/arm/altera/socfpga-eccmgr.txt
index ad8245b..3ffeb12 100644 (file)
--- a/Documentation/devicetree/bindings/arm/altera/socfpga-eccmgr.txt
+++ b/Documentation/devicetree/bindings/arm/altera/socfpga-eccmgr.txt
@@ -106,6 +106,14 @@ Required Properties:
 - interrupts      : Should be single bit error interrupt, then double bit error
        interrupt, in this order.
 
+USB FIFO ECC
+Required Properties:
+- compatible      : Should be "altr,socfpga-usb-ecc"
+- reg             : Address and size for ECC block registers.
+- altr,ecc-parent : phandle to parent USB node.
+- interrupts      : Should be single bit error interrupt, then double bit error
+       interrupt, in this order.
+
 Example:
 
        eccmgr: eccmgr@ffd06000 {
@@ -179,5 +187,12 @@ Example:
                        altr,ecc-parent = <&pdma>;
                        interrupts = <10 IRQ_TYPE_LEVEL_HIGH>,
                                     <42 IRQ_TYPE_LEVEL_HIGH>;
+
+               usb0-ecc@ff8c8800 {
+                       compatible = "altr,socfpga-usb-ecc";
+                       reg = <0xff8c8800 0x400>;
+                       altr,ecc-parent = <&usb0>;
+                       interrupts = <2 IRQ_TYPE_LEVEL_HIGH>,
+                                    <34 IRQ_TYPE_LEVEL_HIGH>;
                };
        };