Merge branch 'virtex-for-2.6.25' of git://git.secretlab.ca/git/linux-2.6-virtex into...

[firefly-linux-kernel-4.4.55.git] / Documentation / powerpc / booting-without-of.txt

diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt
index e9690de93709ea6dff5675eb904750df392e0095..7b4e8a70882c2ff4fb4d61e4bc12a4987a7d06eb 100644 (file)
--- a/Documentation/powerpc/booting-without-of.txt
+++ b/Documentation/powerpc/booting-without-of.txt
@@ -2578,6 +2578,20 @@ platforms are moved over to use the flattened-device-tree model.
       Requred properties:
        - current-speed : Baud rate of uartlite
 
+      v) Xilinx hwicap
+
+               Xilinx hwicap devices provide access to the configuration logic
+               of the FPGA through the Internal Configuration Access Port
+               (ICAP).  The ICAP enables partial reconfiguration of the FPGA,
+               readback of the configuration information, and some control over
+               'warm boots' of the FPGA fabric.
+
+               Required properties:
+               - xlnx,family : The family of the FPGA, necessary since the
+                      capabilities of the underlying ICAP hardware
+                      differ between different families.  May be
+                      'virtex2p', 'virtex4', or 'virtex5'.
+
     p) Freescale Synchronous Serial Interface
 
        The SSI is a serial device that communicates with audio codecs.  It can