Tweak Documentation/SM501.txt

The existing Documentation/SM501.txt gives no clue what the chip is or does,
so copy the description from Kconfig help text.

Acked-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Rob Landley <rob@landley.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/Documentation/SM501.txt b/Documentation/SM501.txt
index 3a1bd95..6fc6560 100644 (file)
--- a/Documentation/SM501.txt
+++ b/Documentation/SM501.txt
@@ -3,6 +3,11 @@
 
 Copyright 2006, 2007 Simtec Electronics
 
+The Silicon Motion SM501 multimedia companion chip is a multifunction device
+which may provide numerous interfaces including USB host controller USB gadget,
+Asyncronous Serial ports, Audio functions and a dual display video interface.
+The device may be connected by PCI or local bus with varying functions enabled.
+
 Core
 ----