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arduino_mkrzero.overlay
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/*
* Copyright (c) 2022 Dhruva Gole <[email protected]>
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/dt-bindings/adc/adc.h>
/ {
zephyr,user {
digital-pin-gpios = <&arduino_mkr_header 0 0>,
<&arduino_mkr_header 1 0>,
<&arduino_mkr_header 2 0>,
<&arduino_mkr_header 3 0>,
<&arduino_mkr_header 4 0>,
<&arduino_mkr_header 5 0>,
<&arduino_mkr_header 6 0>,
<&arduino_mkr_header 7 0>,
<&arduino_mkr_header 8 0>,
<&arduino_mkr_header 9 0>,
<&arduino_mkr_header 10 0>,
<&arduino_mkr_header 11 0>,
<&arduino_mkr_header 12 0>,
<&arduino_mkr_header 13 0>,
<&arduino_mkr_header 14 0>, /* D14 / A0 */
<&arduino_mkr_header 15 0>,
<&arduino_mkr_header 16 0>,
<&arduino_mkr_header 17 0>,
<&arduino_mkr_header 18 0>, /* D18 / A4 / I2C-SDA */
<&arduino_mkr_header 19 0>, /* D19 / A5 / I2C-SCL */
<&arduino_mkr_header 20 0>,
<&arduino_mkr_header 21 0>;
pwms = <&tcc0 2 255>,
<&tcc0 3 255>;
pwm-pins = <2 3>;
io-channels = <&adc 0>,
<&adc 10>,
<&adc 11>,
<&adc 4>,
<&adc 5>,
<&adc 6>,
<&adc 7>;
io-channel-pins = <15 16 17 18 19 20 21>;
};
};
&pinctrl {
pwm_default: pwm_default {
group1 {
pinmux = <PA10F_TCC0_WO2>,
<PA11F_TCC0_WO3>;
};
};
adc_default: adc_default {
group1 {
pinmux = <PA2B_ADC_AIN0>,
<PB2B_ADC_AIN10>,
<PB3B_ADC_AIN11>,
<PA4B_ADC_AIN4>,
<PA5B_ADC_AIN5>,
<PA6B_ADC_AIN6>,
<PA7B_ADC_AIN7>;
};
};
};
&tcc0 {
status = "okay";
compatible = "atmel,sam0-tcc-pwm";
prescaler = <2>;
#pwm-cells = <2>;
pinctrl-0 = <&pwm_default>;
pinctrl-names = "default";
};
&adc {
status = "okay";
pinctrl-0 = <&adc_default>;
pinctrl-names = "default";
#address-cells = <1>;
#size-cells = <0>;
channel@0 {
reg = <0x0>;
zephyr,gain = "ADC_GAIN_1";
zephyr,reference = "ADC_REF_INTERNAL";
zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
zephyr,resolution = <10>;
zephyr,input-positive = <0>;
};
channel@4 {
reg = <0x4>;
zephyr,gain = "ADC_GAIN_1";
zephyr,reference = "ADC_REF_INTERNAL";
zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
zephyr,resolution = <10>;
zephyr,input-positive = <4>;
};
channel@5 {
reg = <0x5>;
zephyr,gain = "ADC_GAIN_1";
zephyr,reference = "ADC_REF_INTERNAL";
zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
zephyr,resolution = <10>;
zephyr,input-positive = <5>;
};
channel@6 {
reg = <0x6>;
zephyr,gain = "ADC_GAIN_1";
zephyr,reference = "ADC_REF_INTERNAL";
zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
zephyr,resolution = <10>;
zephyr,input-positive = <6>;
};
channel@7 {
reg = <0x7>;
zephyr,gain = "ADC_GAIN_1";
zephyr,reference = "ADC_REF_INTERNAL";
zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
zephyr,resolution = <10>;
zephyr,input-positive = <7>;
};
channel@a {
reg = <0xa>;
zephyr,gain = "ADC_GAIN_1";
zephyr,reference = "ADC_REF_INTERNAL";
zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
zephyr,resolution = <10>;
zephyr,input-positive = <10>;
};
channel@b {
reg = <0xb>;
zephyr,gain = "ADC_GAIN_1";
zephyr,reference = "ADC_REF_INTERNAL";
zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
zephyr,resolution = <10>;
zephyr,input-positive = <11>;
};
};