gistfile1.txt

/*
 * Copyright (C) 2013 the8thlayerof.net
 *
 * GPS cape for UART4 on connector pins P9.11 P9.13 P8.4
 *
 * 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/;

/ {
        compatible = "ti,beaglebone", "ti,beaglebone-black";

        /* identification */
        part-number = "DD-TEMP";
        version = "00A0";

        /* state the resources this cape uses */
        exclusive-use =
                /* the pin header uses */
                "P8.11",        /* GPIO_45   */
                /* the hardware ip uses */
                "gpio1_13"; /* note: counting starts at 0 */

        fragment@0 {
                target = <&am33xx_pinmux>;
                __overlay__ {
                        temp_w1_pins: pinmux_temp_w1_pins {
                                pinctrl-single,pins = <
                                        0x34 0x37 /* gpmc_ad13.gpio1_13, OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE7 */
                                >;
                        };

                };
        };

        fragment@1 {
                target = <&ocp>;

                __overlay__ {
                        onewire@0 {
                                status = "okay";
                                compatible = "w1-gpio";
                                pinctrl-names = "default";
                                pinctrl-0 = <&temp_w1_pins>;

                                gpios = <&gpio2 13 0>; /* note: counting starts at 1 */
                        };
                };
        };
};