129 lines
3.1 KiB
Plaintext
129 lines
3.1 KiB
Plaintext
/*
|
|
* 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>;
|
|
};
|
|
};
|
|
};
|
|
};
|
|
|