I am trying to using pins P8_12 and P8_46 to the PRUs R30 register
This would be P8_12 in mode 6, and P8_46 in mode 5 .
I want to exclusively use these pins by the pru(s). I modified an example
dts file, but it wont compile (says syntax error). I am missing it (the
error), and hopefully can get a second set of eyes on it
/*
* Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Purpose License Version 2 as
* published by the Free Software Foundation
*
* Original from:
github.com/jadonk/validation-scripts/blob/master/test-capemgr/
*
* Modified by Derek Molloy for the example on www.derekmolloy.ie
* that maps GPIO pins for the example
* Modified again by Charles Kerr for his project
*/
/dts-v1/;
/plugin/;
/{
compatible = "ti,beaglebone", "ti,beaglebone-black";
part-number = "DIYBLIGHTS";
version = "00A0";
exclusive-use = "P8.12,P8.46"
fragment@0 {
target = <&am33xx_pinmux>;
__overlay__ {
pinctrl_test: DM_GPIO_Test_Pins {
pinctrl-single,pins = <
0x003 0x06 /* P8_12 GPIO:44 $PINS:12 MODE 6 -pru0
R30_14 */
0x0A4 0x05 /* P8_46 GPIO:71 $PINS:41 MODE 5 - pru1
R30_1 */
>;
};
};
};
fragment@1 {
target = <&ocp>;
__overlay__ {
test_helper: helper {
compatible = "bone-pinmux-helper";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_test>;
status = "okay";
};
};
};
};
Any help is appreciated!
Charles
--
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