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cape-bebopr-ena-R2.dts
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cape-bebopr-ena-R2.dts
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/*
* Copyright (C) 2013 Bas Laarhoven
*
* 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.
*
* version 1.1 - 2013-08-01 initial version copied from 2191-R2.dts
* version 1.2 - 2013-08-05 created version for BeBoPr with enable workaround.
* Can be used with all BeagleBone colors. On a BBB, use with
* uEnv.txt that disables HDMI and eMMC and loads this overlay,
* as shown below (optargs all on a single line!):
*
* gpio set 52
* optargs=quiet capemgr.disable_partno=BB-BONELT-HDMI,\
* BB-BONELT-HDMIN,\
* BB-BONE-EMMC-2G,\
* 2191 \
* capemgr.enable_partno=cape-bebopr-ena:R2
*
* version 1.3 - 2013-08-11 merged changes from cape-bebopr-brdg-R2.dts
*/
/dts-v1/;
/plugin/;
/ {
compatible = "aes,bebopr", "ti,beaglebone", "ti,beaglebone-black";
/* identification */
part-number = "cape-bebopr-ena";
version = "R2";
exclusive-use =
/* state the resources this cape uses */
/* ------ IO POWER ------ */
"P8.7", /* gpio2.2 timer4 gpio66 Enablen */
/* ------ PWM ------ */
"P8.46", /* pru1.r30.1 EHRPWM2B J2_PWM0 */
"P8.45", /* pru1.r30.0 EHRPWM2A J3_PWM1 */
"P8.36", /* gpio2.16 EHRPWM1A J4_PWM2 */
"ehrpwm1A",
"ehrpwm2A",
"ehrpwm2B",
/* ------ STEPPERS ------ */
"P8.41", /* gpio2.10 #X_ENA */
"P8.44", /* gpio2.9 #X_DIR */
"P8.43", /* gpio2.8 #X_STP */
"P8.40", /* gpio2.13 #Y_ENA */
"P8.39", /* gpio2.12 #Y_DIR */
"P8.42", /* gpio2.11 #Y_STP */
"P8.28", /* gpio2.24 #Z_ENA */
"P8.29", /* gpio2.23 #Z_DIR */
"P8.27", /* gpio2.22 #Z_STP */
"P8.20", /* gpio1.31 #E_ENA */
"P8.21", /* gpio1.30 #E_DIR */
"P8.30", /* gpio2.25 #E_STP */
"pru1",
"pruss",
/* ------ SENSORS ------ */
"P8.31", /* gpio0.10 #X_MIN */
"P8.32", /* gpio0.11 #X_MAX */
"P8.35", /* gpio0.8 #Y_MIN */
"P8.33", /* gpio0.9 #Y_MAX */
"P8.38", /* gpio2.15 #Z_MIN */
"P8.37", /* gpio2.14 #Z_MAX */
/* ------ ADC ------ */
"P9.40", /* AIN1 */
"P9.38", /* AIN3 */
"P9.36", /* AIN5 */
"tscadc",
/* ------ LED ------ */
"P8.25"; /* gpio1.0 LED */
/* ----------- IO ENABLE ------------ */
fragment@0 {
target = <&am33xx_pinmux>;
__overlay__ {
bebopr_io_enable_pins: pinmux_bebopr_io_enable_pins {
pinctrl-single,pins = <
0x090 0x07 /* P8-7 TIMER4 gpmc_advn_ale.gpio2[2] */
>;
};
};
};
fragment@1 {
target = <&ocp>;
__overlay__ {
bebopr_io_enables {
compatible = "gpio-of-helper";
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&bebopr_io_enable_pins>;
io_enable_n {
gpio-name = "bebopr:io_enable_n";
gpio = <&gpio3 2 0>;
output;
init-high;
};
};
};
};
/* ----------- PWM ------------ */
fragment@11 {
target = <&epwmss1>;
__overlay__ {
status = "okay";
};
};
fragment@12 {
target = <&ehrpwm1>;
__overlay__ {
status = "okay";
};
};
fragment@13 {
target = <&epwmss2>;
__overlay__ {
status = "okay";
};
};
fragment@14 {
target = <&ehrpwm2>;
__overlay__ {
status = "okay";
};
};
fragment@15 {
target = <&am33xx_pinmux>;
__overlay__ {
// J2_PWM0
P8_46_ehrpwm_pin: pinmux_P8_46_ehrpwm_pin {
pinctrl-single,pins = <0x0a4 0x3>; /* P8_46 (ZCZ ball R2) | MODE 3 */
};
P8_46_gpio_pin: pinmux_P8_46_gpio_pin {
pinctrl-single,pins = <0x0a4 0x7>; /* P8_46 (ZCZ ball R2) | MODE 7 */
};
P8_46_pruss_pin: pinmux_P8_46_pruss_pin {
pinctrl-single,pins = <0x0a4 0x5>; /* P8_46 (ZCZ ball R2) | MODE 5 */
};
// J3_PWM1
P8_45_ehrpwm_pin: pinmux_P8_45_ehrpwm_pin {
pinctrl-single,pins = <0x0a0 0x3>; /* P8_45 (ZCZ ball R1) | MODE 3 */
};
P8_45_gpio_pin: pinmux_P8_45_gpio_pin {
pinctrl-single,pins = <0x0a0 0x7>; /* P8_45 (ZCZ ball R1) | MODE 7 */
};
P8_45_pruss_pin: pinmux_P8_45_pruss_pin {
pinctrl-single,pins = <0x0a0 0x5>; /* P8_45 (ZCZ ball R1) | MODE 5 */
};
// J4_PWM2
P8_36_ehrpwm_pin: pinmux_P8_36_ehrpwm_pin {
pinctrl-single,pins = <0x0c8 0x2>; /* P8_36 (ZCZ ball U3) | MODE 2 */
};
P8_36_gpio_pin: pinmux_P8_36_gpio_pin {
pinctrl-single,pins = <0x0c8 0x7>; /* P8_36 (ZCZ ball U3) | MODE 7 */
};
};
};
fragment@16 {
target = <&ocp>;
__overlay__ {
bebopr_pwm_J2_pinmux {
compatible = "bone-pinmux-helper";
status = "okay";
pinctrl-names = "default", "gpio", "pruss";
pinctrl-0 = <&P8_46_ehrpwm_pin>;
pinctrl-1 = <&P8_46_gpio_pin>;
pinctrl-2 = <&P8_46_pruss_pin>;
};
bebopr_pwm_J3_pinmux {
compatible = "bone-pinmux-helper";
status = "okay";
pinctrl-names = "default", "gpio", "pruss";
pinctrl-0 = <&P8_45_ehrpwm_pin>;
pinctrl-1 = <&P8_45_gpio_pin>;
pinctrl-2 = <&P8_45_pruss_pin>;
};
bebopr_pwm_J4_pinmux {
compatible = "bone-pinmux-helper";
status = "okay";
pinctrl-names = "default", "gpio";
pinctrl-0 = <&P8_36_ehrpwm_pin>;
pinctrl-1 = <&P8_36_gpio_pin>;
};
bebopr_pwm_J2 {
compatible = "pwm_test";
pwms = <&ehrpwm2 1 10000000 0>;
pwm-names = "PWM0_J2_FAN";
enabled = <0>;
duty = <0>;
status = "okay";
};
bebopr_pwm_J3 {
compatible = "pwm_test";
pwms = <&ehrpwm2 0 10000000 0>;
pwm-names = "PWM1_J3_EXTR";
enabled = <0>;
duty = <0>;
status = "okay";
};
bebopr_pwm_J4 {
compatible = "pwm_test";
pwms = <&ehrpwm1 0 100000000 0>;
pwm-names = "PWM2_J4_BED";
enabled = <0>;
duty = <0>;
status = "okay";
};
};
};
/* ----------- STEPPERS ------------ */
fragment@21 {
target = <&am33xx_pinmux>;
__overlay__ {
bebopr_stepper_pins: pinmux_bebopr_stepper_pins {
status = "okay";
pinctrl-single,pins = <
/* stepper outputs */
0xb0 5 /* #X_ENA, pr1_pru1_pru_r30_4, P8_41, gpio2.10, mode5 out */
0xac 5 /* #X_DIR, pr1_pru1_pru_r30_3, P8_44, gpio2.9, mode5 out */
0xa8 5 /* #X_STP, pr1_pru1_pru_r30_2, P8_43, gpio2.8, mode5 out */
0xbc 5 /* #Y_ENA, pr1_pru1_pru_r30_7, P8_40, gpio2.13, mode5 out */
0xb8 5 /* #Y_DIR, pr1_pru1_pru_r30_6, P8_39, gpio2.12, mode5 out */
0xb4 5 /* #Y_STP, pr1_pru1_pru_r30_5, P8_42, gpio2.11, mode5 out */
0xe8 5 /* #Z_ENA, pr1_pru1_pru_r30_10, P8_28, gpio2.24, mode5 out */
0xe4 5 /* #Z_DIR, pr1_pru1_pru_r30_9, P8_29, gpio2.23, mode5 out */
0xe0 5 /* #Z_STP, pr1_pru1_pru_r30_8, P8_27, gpio2.22, mode5 out */
0x84 5 /* #E_ENA, pr1_pru1_pru_r30_13, P8_20, gpio1.31, mode5 out */
0x80 5 /* #E_DIR, pr1_pru1_pru_r30_12, P8_21, gpio1.30, mode5 out */
0xec 5 /* #E_STP, pr1_pru1_pru_r30_11, P8_30, gpio2.25, mode5 out */
>;
};
};
};
fragment@22 {
target = <&ocp>;
__overlay__ {
bebopr_steppers {
compatible = "gpio-of-helper";
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&bebopr_stepper_pins>;
x_stp {
gpio-name = "bebopr:x_stp";
gpio = <&gpio3 8 0>;
output;
init-low;
};
x_dir {
gpio-name = "bebopr:x_dir";
gpio = <&gpio3 9 0>;
output;
init-low;
};
x_ena {
gpio-name = "bebopr:x_ena";
gpio = <&gpio3 10 0>;
output;
init-high;
};
y_stp {
gpio-name = "bebopr:y_stp";
gpio = <&gpio3 11 0>;
output;
init-low;
};
y_dir {
gpio-name = "bebopr:y_dir";
gpio = <&gpio3 12 0>;
output;
init-low;
};
y_ena {
gpio-name = "bebopr:y_ena";
gpio = <&gpio3 13 0>;
output;
init-high;
};
z_stp {
gpio-name = "bebopr:z_stp";
gpio = <&gpio3 22 0>;
output;
init-low;
};
z_dir {
gpio-name = "bebopr:z_dir";
gpio = <&gpio3 23 0>;
output;
init-low;
};
z_ena {
gpio-name = "bebopr:z_ena";
gpio = <&gpio3 24 0>;
output;
init-high;
};
e_stp {
gpio-name = "bebopr:e_stp";
gpio = <&gpio3 25 0>;
output;
init-low;
};
e_dir {
gpio-name = "bebopr:e_dir";
gpio = <&gpio2 30 0>;
output;
init-low;
};
e_ena {
gpio-name = "bebopr:e_ena";
gpio = <&gpio2 31 0>;
output;
init-high;
};
};
};
};
fragment@23 {
target = <&pruss>;
__overlay__ {
status = "okay";
};
};
/* ----------- SENSORS ------------ */
fragment@31 {
target = <&am33xx_pinmux>;
__overlay__ {
bebopr_sensor_pins: pinmux_bebopr_sensor_pins {
status = "okay";
pinctrl-single,pins = <
/* sensor inputs with pull-downs */
0xd8 0x2f /* #X_MIN, P8_31, gpio0.10, mode7 in */
0xdc 0x2f /* #X_MAX, P8_32, gpio0.11, mode7 in */
0xd0 0x2f /* #Y_MIN, P8_35, gpio0.8, mode7 in */
0xd4 0x2f /* #Y_MAX, P8_33, gpio0.9 , mode7 in */
0xc4 0x2f /* #Z_MIN, P8_38, gpio2.15, mode7 in */
0xc0 0x2f /* #Z_MAX, P8_37, gpio2.14, mode7 in */
>;
};
};
};
fragment@33 {
target = <&ocp>;
__overlay__ {
bebopr_sensors {
compatible = "gpio-of-helper";
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&bebopr_sensor_pins>;
x_min {
gpio-name = "bebopr:x_min";
gpio = <&gpio1 10 0>;
input;
};
x_max {
gpio-name = "bebopr:x_max";
gpio = <&gpio1 11 0>;
input;
};
y_min {
gpio-name = "bebopr:y_min";
gpio = <&gpio1 8 0>;
input;
};
y_max {
gpio-name = "bebopr:y_max";
gpio = <&gpio1 9 0>;
input;
};
z_min {
gpio-name = "bebopr:z_min";
gpio = <&gpio3 15 0>;
input;
};
z_max {
gpio-name = "bebopr:z_max";
gpio = <&gpio3 14 0>;
input;
};
};
};
};
/* ----------- ADC ------------ */
/* no pinmux needed */
fragment@41 {
target = <&ocp>;
__overlay__ {
#address-cells = <1>;
#size-cells = <1>;
tscadc {
compatible = "ti,ti-tscadc";
status = "okay";
reg = <0x44e0d000 0x1000>;
interrupt-parent = <&intc>;
interrupts = <16>;
ti,hwmods = "adc_tsc";
adc {
ti,adc-channels = <0 1 2 3 4 5 6 7>;
};
};
bebopr_adc {
compatible = "bone-iio-helper";
status = "okay";
/* scale to raw bit value */
vsense-name = "AIN0", "AIN1", "AIN2", "AIN3", "AIN4", "AIN5", "AIN7";
vsense-scale = < 228 228 228 228 228 228 228>;
};
};
};
/* ----------- LED ------------ */
fragment@51 {
target = <&am33xx_pinmux>;
__overlay__ {
bebopr_led_pins: pinmux_bebopr_led_pins {
pinctrl-single,pins = <
0x000 0x07 /* P8-25 GPIO1_0 gpmc_ad0 .gpio1[0] */
>;
};
};
};
fragment@52 {
target = <&ocp>;
__overlay__ {
bebopr_leds {
compatible = "gpio-leds";
pinctrl-names = "default";
pinctrl-0 = <&bebopr_led_pins>;
status_led {
label = "bebopr:status_led";
gpios = <&gpio2 0 0>;
linux,default-trigger = "heartbeat";
default-state = "off";
};
};
};
};
/* ----------- ADS1015 ------------ */
/*
fragment@61 {
target = <&i2c2>;
__overlay__ {
// needed to avoid gripping by DTC
#address-cells = <1>;
#size-cells = <0>;
status = "okay"; // probably already set
ads1015: ads1015@48 {
compatible = "ti,ads1015";
status = "okay";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x48>;
hi_res = <1>;
channel@1 {
reg = <4>;
ti,gain = <2>;
ti,datarate = <2>;
};
channel@2 {
reg = <5>;
ti,gain = <2>;
ti,datarate = <2>;
};
channel@3 {
reg = <6>;
ti,gain = <2>;
ti,datarate = <2>;
};
channel@4 {
reg = <0>;
ti,gain = <3>;
ti,datarate = <2>;
};
};
};
};
*/
};