BB-BONE-RTC-00A0.dts

/*
* Copyright (C) 2013 Matt Ranostay <mranostay@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/dts-v1/;
/plugin/;

/*
 * Pin assignments
 *
 * Module     Connector
 * SCL     -> P9.19
 * SDA     <- P9.20
 * SQW/PPS <- P9.15
 *
 */

/ {
	compatible = "ti,beaglebone", "ti,beaglebone-black";
	part-number = "BB-BONE-RTC-01";
	version = "00A0";

	/* state the resources this cape uses */
	exclusive-use =
		/* the pin header uses */
		"P9.15";	/*gpio1_16 */


	fragment@0 {
		target = <&am33xx_pinmux>;
		__overlay__ {
			pps_pins: pinmux_pps_pins {
				pinctrl-single,pins = <
					0x040	0x27	/* gpmc_a0.gpio1_16, INPUT | PULLDIS | MODE7 */
				>;
			};
		};
	};


	fragment@1 {
		target = <&i2c2>;

		__overlay__ {
			/* shut up DTC warnings */
			#address-cells = <1>;
			#size-cells = <0>;

			/* DS1307 RTC module */
			rtc@68 {
				compatible = "dallas,ds1307";
				reg = <0x68>;
			};
		};
	};

	fragment@2 {
		target = <&ocp>;
		__overlay__ {
			pps {
				compatible = "pps-gpio";
				status = "okay";
				pinctrl-names = "default";
				pinctrl-0 = <&pps_pins>;

				gpios = <&gpio2 16 0>;
				assert-falling-edge;
			};
		};
	};
};