/* * Copyright (C) 2013 CircuitCo * * Virtual cape for UART2 on connector pins P9.21 P9.22 * * 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"; /* the cape is designed for these boards */ /* identification */ part-number = "cape-motoserial"; /* max 16 char. needs to match the filename */ version = "00A0"; /* standard BB Black cape version number */ /* state the resources this cape uses */ exclusive-use = /* the pin header uses */ "P9.24", /* uart1_txd */ "P9.26", /* uart1_rxd */ "P9.25", /* power1 */ "P9.21", /* uart2_txd */ "P9.22", /* uart2_rxd */ "P9.23", /* power2 */ "P9.13", /* uart4_txd */ "P9.11", /* uart4_rxd */ "P9.14", /* power4 */ "P8.37", /* uart5_txd */ "P8.38", /* uart5_rxd */ "P8.39", /* power5 */ /* the hardware ip uses */ "uart1", "gpio3_21", "uart2", "gpio1_17", "uart4", "gpio1_18", "uart5", "gpio2_12"; fragment@0 { target = <&am33xx_pinmux>; __overlay__ { bb_cape_motoserial_uart1: pinmux_cape_motoserial_uart1 { pinctrl-single,pins = < 0x180 0x20 /* uart1_rxd | MODE0 */ 0x184 0x00 /* uart1_txd | MODE0 */ >; }; bb_cape_motoserial_uart2: pinmux_cape_motoserial_uart2 { pinctrl-single,pins = < 0x150 0x21 /* uart2_rxd | MODE1 */ 0x154 0x01 /* uart2_txd | MODE1 */ >; }; bb_cape_motoserial_uart4: pinmux_cape_motoserial_uart4 { pinctrl-single,pins = < 0x070 0x26 /* uart4_rxd_mux2 | MODE6 */ 0x074 0x06 /* uart4_txd_mux2 | MODE6 */ >; }; bb_cape_motoserial_uart5: pinmux_cape_motoserial_uart5 { pinctrl-single,pins = < 0x0c4 0x24 /* uart5_rxd | MODE4 */ 0x0c0 0x04 /* uart5_txd | MODE4 */ >; }; bb_cape_motoserial_power: pinmux_cape_motoserial_power { pinctrl-single,pins = < 0x1ac 0x07 /* P9_25 gpio3_21 117, OUTPUT MODE7, POWER1 */ 0x044 0x07 /* P9_23 gpio1_17 49, OUTPUT MODE7, POWER2 */ 0x048 0x07 /* P9_14 gpio1_18 50, OUTPUT MODE7, POWER4 */ 0x0b8 0x07 /* P8_39 gpio2_12 76, OUTPUT MODE7, POWER5 */ >; }; }; }; fragment@1 { target = <&uart2>; /* really uart1 */ __overlay__ { status = "okay"; pinctrl-names = "default"; pinctrl-0 = <&bb_cape_motoserial_uart1>; }; }; fragment@2 { target = <&uart3>; /* really uart2 */ __overlay__ { status = "okay"; pinctrl-names = "default"; pinctrl-0 = <&bb_cape_motoserial_uart2>; }; }; fragment@3 { target = <&uart5>; /* really uart4 */ __overlay__ { status = "okay"; pinctrl-names = "default"; pinctrl-0 = <&bb_cape_motoserial_uart4>; }; }; fragment@4 { target = <&uart6>; /* really uart5 */ __overlay__ { status = "okay"; pinctrl-names = "default"; pinctrl-0 = <&bb_cape_motoserial_uart5>; }; }; fragment@6 { target = <&ocp>; __overlay__ { motoserial_power { compatible = "bone-pinmux-helper"; status = "okay"; pinctrl-names = "default"; pinctrl-0 = <&bb_cape_motoserial_power>; }; }; }; };