From c1d89e8bc74a0d0ea9663f010ca40cb96a83236a Mon Sep 17 00:00:00 2001
From: ian <ian@FreeBSD.org>
Date: Mon, 24 Jun 2019 02:30:05 +0000
Subject: [PATCH] Add gpio(4) and related drivers to NOTES.

---
 sys/conf/NOTES | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/sys/conf/NOTES b/sys/conf/NOTES
index ce7ce9a28ee..65154ab178c 100644
--- a/sys/conf/NOTES
+++ b/sys/conf/NOTES
@@ -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
 #
-- 
2.45.0