device tree source file

/* Copyright (C) 2013 Texas Instruments
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Genral Public License version 2 as
 * published by the Free Software Foundation.
Modified by ABHISHEK GOWDA
 */

/dts-v1/;
/plugin/;

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

    /* identification */
    part-number = "uart1";
    version = "00A0";

    fragment@0 {
        target = <&am33xx_pinmux>;
        __overlay__ {
            pinmux_serial1: pinmux_serial1_pins {
                pinctrl-single,pins = <
             0x184 0x20 /*P9_24(ZCZ ball D15) RX-enabled MODE 0*/
             0x180 0x20 /*P9_26(ZCZ ball D16) RX-enabled MODE 0*/
            >;
                };
            };
    };
   
    fragment@1 {
        target = <&ocp>;
        __overlay__ {
    serial1_pinmux_helper {
        compatible = "bone-pinmux-helper";
        status     = "okay";
        pinctrl-names = "default";
            pinctrl-0 = <&pinmux_serial1>;
            };
        };
    };
   
    fragment@2 {
        target = <&uart2>;   /* really uart1 */
        __overlay__ {
            status = "okay";
        };
    };
};