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-rw-r--r--Documentation/powerpc/dts-bindings/xilinx.txt11
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/powerpc/dts-bindings/xilinx.txt b/Documentation/powerpc/dts-bindings/xilinx.txt
index 80339fe..ea68046 100644
--- a/Documentation/powerpc/dts-bindings/xilinx.txt
+++ b/Documentation/powerpc/dts-bindings/xilinx.txt
@@ -292,4 +292,15 @@
- reg-offset : A value of 3 is required
- reg-shift : A value of 2 is required
+ vii) Xilinx USB Host controller
+
+ The Xilinx USB host controller is EHCI compatible but with a different
+ base address for the EHCI registers, and it is always a big-endian
+ USB Host controller. The hardware can be configured as high speed only,
+ or high speed/full speed hybrid.
+
+ Required properties:
+ - xlnx,support-usb-fs: A value 0 means the core is built as high speed
+ only. A value 1 means the core also supports
+ full speed devices.