use standard gpio get/set calls (OMAP tree only)

[linux-2.6-omap-h63xx.git] / Documentation / arm / OMAP / gpio

diff --git a/Documentation/arm/OMAP/gpio b/Documentation/arm/OMAP/gpio
index fd6363cd7f54d292d51428f3d12f2e5d2fce00b1..8a011ad41c331ec37182ffcf43e370c2b0ad61b9 100644 (file)
--- a/Documentation/arm/OMAP/gpio
+++ b/Documentation/arm/OMAP/gpio
@@ -9,6 +9,21 @@ or less GPIOs) to other OMAP processors as well.
 If anything is missing, is wrong, needs extension or update, please send
 update to Linux-omap-open-source@linux.omap.com.
 
+       *************************************************************
+
+       NOTICE:  these OMAP-specific interfaces are deprecated/obsolete.
+
+       See Documentation/gpio.txt for information on the standard
+       cross-platform GPIO interface.  All new code should use those
+       calls instead of the ones described here.
+
+       The only exception to that policy is the omap_cfg_reg() call,
+       which isn't a GPIO-specific interface; it configures how chip
+       functions are multiplexed to pins, with GPIO being only one
+       of those functions.
+
+       *************************************************************
+
 I. GPIO Modules/Banks
 ---------------------