Author: ian
Date: Mon Jun 24 02:30:05 2019
New Revision: 349329
URL: https://svnweb.freebsd.org/changeset/base/349329

Log:
  Add gpio(4) and related drivers to NOTES.

Modified:
  head/sys/conf/NOTES

Modified: head/sys/conf/NOTES
==============================================================================
--- head/sys/conf/NOTES Mon Jun 24 02:27:17 2019        (r349328)
+++ head/sys/conf/NOTES Mon Jun 24 02:30:05 2019        (r349329)
@@ -2481,6 +2481,18 @@ device           pps
 device         lpbb
 device         pcfclock
 
+# General Purpose I/O pins
+device         gpio            # gpio interfaces and bus support
+device         gpiobacklight   # sysctl control of gpio-based backlight
+device         gpioiic         # i2c via gpio bitbang
+device         gpiokeys        # kbd(4) glue for gpio-based key input
+device         gpioled         # led(4) gpio glue
+device         gpiopower       # event handler for gpio-based powerdown
+device         gpiopps         # Pulse per second input from gpio pin
+device         gpioregulator   # extres/regulator glue for gpio pin
+device         gpiospi         # SPI via gpio bitbang
+device         gpioths         # 1-wire temp/humidity sensor on gpio pin
+
 #
 # Etherswitch framework and drivers
 #
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