From 6053fa9683b7464c09c079ae89790a1835403c00 Mon Sep 17 00:00:00 2001
From: Allan Jude <allanjude@FreeBSD.org>
Date: Thu, 9 Feb 2017 15:16:08 +0000
Subject: [PATCH] Add I2C device hints for Onion Omega

This allows you to control up to 8 relay expansions from FreeBSD

https://github.com/freebsd/freebsd-wifi-build/wiki/Onion-Omega#controlling-the-relay-expansion

Reviewed by:	adrian, mizhka
MFC after:	1 week
Sponsored by:	ScaleEngine Inc.
Differential Revision:	https://reviews.freebsd.org/D9503
---
 sys/mips/conf/ONIONOMEGA.hints | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/sys/mips/conf/ONIONOMEGA.hints b/sys/mips/conf/ONIONOMEGA.hints
index 9ce136ba082f..0c325febb114 100644
--- a/sys/mips/conf/ONIONOMEGA.hints
+++ b/sys/mips/conf/ONIONOMEGA.hints
@@ -123,3 +123,10 @@ hint.gpioled.3.pins=0x00008000
 hint.gpioled.3.name="blue"
 hint.gpioled.3.invert=0
 
+# I2C
+# 0x20 - 0x27 = Relay Controllers (0x27 is default)
+# 0x5a = PWM/Servo Controller
+hint.gpioiic.0.at="gpiobus0"
+hint.gpioiic.0.pins=0x300000 # pins 20 and 21
+hint.gpioiic.0.scl=0 # pin 20
+hint.gpioiic.0.sda=1 # pin 21