Index: head/sys/boot/fdt/dts/arm/beaglebone-black.dts
===================================================================
--- head/sys/boot/fdt/dts/arm/beaglebone-black.dts	(revision 287418)
+++ head/sys/boot/fdt/dts/arm/beaglebone-black.dts	(revision 287419)
@@ -1,53 +1,83 @@
 /*-
  * Copyright (c) 2015 Oleksandr Tymoshenko <gonzo@freebsd.org>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  * 
  * $FreeBSD$
  */
 
 
 #include "am335x-boneblack.dts"
 #include "beaglebone-common.dtsi"
 
+&am33xx_pinmux {
+	i2c1_pins: pinmux_i2c1_pins {
+		pinctrl-single,pins = <
+			0x158 (PIN_INPUT_PULLUP | MUX_MODE2)	/* spi0_d1.i2c1_sda */
+			0x15c (PIN_INPUT_PULLUP | MUX_MODE2)	/* spi0_cs0.i2c1_scl */
+		>;
+	};
+
+	i2c2_pins: pinmux_i2c2_pins {
+		pinctrl-single,pins = <
+			0x178 (PIN_INPUT_PULLUP | MUX_MODE3)	/* uart1_ctsn.i2c2_sda */
+			0x17c (PIN_INPUT_PULLUP | MUX_MODE3)	/* uart1_rtsn.i2c2_scl */
+		>;
+	};
+};
+
 &i2c0 {
 	tda998x: hdmi-encoder {
 		compatible = "nxp,tda998x";
 		reg = <0x70>;
 
  		pinctrl-names = "default", "off";
  		pinctrl-0 = <&nxp_hdmi_bonelt_pins>;
  		pinctrl-1 = <&nxp_hdmi_bonelt_off_pins>;
 		status = "okay";
  	};
+};
+
+&i2c1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c1_pins>;
+
+	status = "okay";
+};
+
+&i2c2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c2_pins>;
+
+	status = "okay";
 };
 
 &lcdc {
 	hdmi = <&tda998x>;
 };
 
 / {
 	hdmi {
 		status = "disabled";
 	};
 };