151 lines
No EOL
2.9 KiB
Text
151 lines
No EOL
2.9 KiB
Text
/dts-v1/;
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#include <nordic/nrf52840_qiaa.dtsi>
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&pinctrl {
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/* Configure pwm0 instance to use pin 5. */
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pwm0_default: pwm0_default {
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group1 {
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psels = <NRF_PSEL(PWM_OUT0, 0, 5)>;
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nordic,invert;
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};
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};
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pwm0_sleep: pwm0_sleep {
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group1 {
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psels = <NRF_PSEL(PWM_OUT0, 0, 5)>;
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low-power-enable;
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};
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};
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/* Configure i2c0 instance to use pins 24 (SDA) & 13 (SCL). */
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i2c0_default: i2c0_default {
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group1 {
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psels = <NRF_PSEL(TWIM_SDA, 0, 24)>,
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<NRF_PSEL(TWIM_SCL, 0, 13)>;
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};
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};
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i2c0_sleep: i2c0_sleep {
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group1 {
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psels = <NRF_PSEL(TWIM_SDA, 0, 24)>,
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<NRF_PSEL(TWIM_SCL, 0, 13)>;
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low-power-enable;
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};
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};
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};
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&i2c0 {
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compatible = "nordic,nrf-twi";
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status = "okay";
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pinctrl-0 = <&i2c0_default>;
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pinctrl-1 = <&i2c0_sleep>;
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pinctrl-names = "default", "sleep";
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shtc3: shtc3@70 {
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compatible = "i2c-device";
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reg = <0x70>;
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label = "SHTC3";
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};
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};
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&pwm0 {
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status = "okay";
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pinctrl-0 = <&pwm0_default>;
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pinctrl-1 = <&pwm0_sleep>;
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pinctrl-names = "default", "sleep";
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};
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&adc {
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#address-cells = <1>;
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#size-cells = <0>;
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status = "ok";
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channel@0 {
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reg = <0>;
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zephyr,gain = "ADC_GAIN_1_6";
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zephyr,reference = "ADC_REF_INTERNAL";
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zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
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// P0.03.
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zephyr,input-positive = <NRF_SAADC_AIN1>;
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zephyr,resolution = <10>;
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};
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channel@1 {
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reg = <1>;
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zephyr,gain = "ADC_GAIN_1_6";
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zephyr,reference = "ADC_REF_INTERNAL";
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zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
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// P0.02.
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zephyr,input-positive = <NRF_SAADC_AIN0>;
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zephyr,resolution = <10>;
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};
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channel@2 {
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reg = <2>;
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zephyr,gain = "ADC_GAIN_1_6";
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zephyr,reference = "ADC_REF_INTERNAL";
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zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
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zephyr,input-positive = <NRF_SAADC_VDD>;
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zephyr,resolution = <10>;
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};
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};
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&flash0 {
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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boot_partition: partition@0 {
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label = "mcuboot";
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reg = <0x00000000 0x0000C000>;
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};
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slot0_partition: partition@c000 {
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label = "image-0";
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reg = <0x0000C000 0x00067000>;
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};
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slot1_partition: partition@73000 {
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label = "image-1";
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reg = <0x00073000 0x00067000>;
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};
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scratch_partition: partition@da000 {
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label = "image-scratch";
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reg = <0x000da000 0x0001e000>;
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};
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/*
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* The flash starting at 0x000f8000 and ending at
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* 0x000fffff is reserved for use by the application.
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*/
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/*
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* Storage partition will be used by FCB/LittleFS/NVS
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* if enabled.
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*/
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storage_partition: partition@f8000 {
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label = "storage";
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reg = <0x000f8000 0x00008000>;
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};
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};
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};
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/ {
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model = "A soil moisture sensor";
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compatible = "rbaron,b-parasite";
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zephyr,user {
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io-channels = <&adc 0>, <&adc 1>, <&adc 2>;
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zephyr,sram = &sram0;
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zephyr,flash = &flash0;
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zephyr,code-partition = &slot0_partition;
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};
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soil_pwm: soil_pwm {
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compatible = "pwm-fixed";
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pwms = <&pwm0 0 PWM_MSEC(100) PWM_POLARITY_INVERTED>;
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pulse = <PWM_MSEC(50)>;
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};
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}; |