MH-SEISCAPE.dts

/dts-v1/; 
/plugin/; 

/ { 
    compatible = "ti,beaglebone", "ti,beaglebone-black", "ti,beaglebone-green"; 
    part-number = "MH-SEISCAPE"; 
    version = "00A0"; 
    exclusive-use = "P8.7", "P8.9", "P9.14", "P9.27", "P9.29",
                    "P9.30", "P9.31", "P9.41A", "P9.41B",
                    "ehrpwm1A", "timer4", "timer5";

    fragment@0 {
        target = <&am33xx_pinmux>;
        __overlay__ {
            pru_adc_pins: pinmux_pru_adc_pins {
            pinctrl-single,pins = <   // all set to slow slew rate
                0x1a4 0x36  // /SYNC     P9_27 pr1_pru0_pru_r31_5, MODE6 | INPUT  | PU
                0x194 0x36  // DOUT/RDY  P9_29 pr1_pru0_pru_r31_1, MODE6 | INPUT  | PU
                0x198 0x4d  // DIN       P9_30 pr1_pru0_pru_r30_2, MODE5 | OUTPUT
                0x190 0x4d  // SCLK      P9_31 pr1_pru0_pru_r30_0, MODE5 | OUTPUT
            >;
            };
            
            pwm_tcxo_pins: pinmux_pwm_tcxo_pins {
            pinctrl-single,pins = <
                0x048 0x4e  // TCXO VC   P9.14 ehrpwm1a, MODE6 | OUTPUT
            >;
            };
            
            timer_pins: pinmux_timer_pins {
            pinctrl-single,pins = <
                0x090 0x2a  // DOUT/RDY  P8_7 timer4, MODE2 | INPUT
                0x09c 0x2a  // PPS       P8_9 timer5, MODE2 | INPUT
                0x1b4 0x2a  // TCXO CLK  P9.41A tclkin,   MODE2 | INPUT
                // TCLKIN is shared with P9.41B, so set it to GPIO input
                0x1a8 0x2f  // ---       P9.41B gpio3_20, MODE7 | INPUT
            >;
            };
        };
    };
    

    fragment@1 {         // Enable the PRUSS 
        target = <&pruss>; 
        __overlay__ { 
            status = "okay"; 
        }; 
    }; 
 

    fragment@2 {
        target = <&epwmss1>;
        __overlay__ {
            status = "okay";
        };
    };


    fragment@3 {
        target = <&ehrpwm1>;
        __overlay__ {
            status = "okay";
            pinctrl-names = "default";
            pinctrl-0 = <&pwm_tcxo_pins>;
        };
    };


    fragment@4 {
        target = <&ocp>;
        __overlay__ {
            test_helper: helper {
                compatible = "bone-pinmux-helper";
                status = "okay";
                pinctrl-names = "default";
                pinctrl-0 = <&pru_adc_pins>;
            };
        };
    };

//    fragment@4 {
//        target = <&ocp>;
//        __overlay__ {
//            pps_gmtimer {
//                compatible = "pps-gmtimer";
//                status = "okay";
//                timer = <&timer5>;
//                pinctrl-names = "default";
//                pinctrl-0 = <&timer_pins>;
//                use-tclkin = <1>;
//            };
//        };
//    };
};