[beagleboard] PRU I/O

[Christopher Hopwood]

Hello all,

I'm trying to use the PRU gpio pins, but cannot get them to work.  I've 
modified Doctor Yoder's device tree example to enable the PRU pins, but my 
program is still not getting the input.  What am I doing wrong?

Here is my overlay:
/dts-v1/;
/plugin/;

/{
       compatible = "ti,beaglebone", "ti,beaglebone-black";
       part-number = "MAY-gpio-set";
       version = "00A0";

       fragment@0 {
             target = <&am33xx_pinmux>;

             __overlay__ {
                  pinctrl_test: MAY-gpio-set {
                        pinctrl-single,pins = <

                            0x0e4 0x36
                            0x0e0 0x36


                        >;
                  };
             };
       };

       fragment@1 {
                target = <&ocp>;
                __overlay__ {
                        test_helper: helper {
                                compatible = "bone-pinmux-helper";
                                pinctrl-names = "default";
                                pinctrl-0 = <&pinctrl_test>;
                                status = "okay";
                        };
                };
        };
};



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