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Add I2C device hints for Onion Omega

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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
This commit is contained in:
Allan Jude 2017-02-09 15:16:08 +00:00
parent 8eaaf58a5f
commit 6053fa9683
1 changed files with 7 additions and 0 deletions
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7
sys/mips/conf/ONIONOMEGA.hints
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@ -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