gistfile1.txt

/*
 * Copyright 2014 Mutli-Tech Systems, Inc.
 *
 * Author: Robert Nelson <[email protected]>
 *
 * Cape http://xyz.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/;

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

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

	/* state the resources this cape uses */
	exclusive-use =
		/* the pin header uses */
		/* gpio */
		"P8.30",	/* Link Status */

		/* uart 5 */
		"P8.31",	/* uart5_ctsn */
		"P8.32",	/* uart5_rtsn */
		"P8.37",	/* uart5_txd */
		"P8.38",	/* uart5_rxd */

		/* need driver support: tty: serial: omap: use mctrl_gpio helpers */
		"P8.39", /* #DSR */
		"P8.40", /* #RI */
		"P8.41", /* #DCD */
		"P8.42", /* #DTR */

		/* the hardware ip uses */
		"uart5";

	fragment@10 {
		target = <&am33xx_pinmux>;
		__overlay__ {

			multitech_led_pins: pinmux_multitech_led_pins {
				pinctrl-single,pins = <
					0x0ec 0x07	/* P8 30 GPIO2_25: Link Status (OUTPUT) */
				>;
			};

			bb_uart5_pins: pinmux_bb_uart5_pins {
				pinctrl-single,pins = <
					/* the uart pins */
					0x0d8 0x36	/* lcd_data14.usart5_ctsn | MODE 6 */
					0x0dc 0x0e	/* lcd_data15.usart5_rtsn | MODE 6 */
					0x0C0 0x04	/* lcd_data8.uart5_txd | MODE4 */
					0x0C4 0x24	/* lcd_data9.uart5_rxd | MODE4 */
				>;
			};
		};
	};

	fragment@11 {
		target = <&ocp>;
		__overlay__ {

			gpio-leds-cape-multitech {
				compatible = "gpio-leds";
				pinctrl-names = "default";

				pinctrl-0 = <&multitech_led_pins>;

				Link_Status {
					label = "Link_Status";
					gpios = <&gpio3 25 0>;
					default-state = "off";
				};
			};
		};
	};

	fragment@12 {
		target = <&uart6>;	/* really uart5 */
		__overlay__ {
			status = "okay";
			pinctrl-names = "default";
			pinctrl-0 = <&bb_uart5_pins>;
		};
	};
};