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variants: Add rpi_pico
Add support for RaspberryPi Pico Signed-off-by: TOKITA Hiroshi <[email protected]>
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Diff for: ‎variants/rpi_pico/rpi_pico.overlay

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/*
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* Copyright (c) 2024 TOKITA Hiroshi
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/dt-bindings/adc/adc.h>
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/ {
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zephyr,user {
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digital-pin-gpios = <&pico_header 0 0>,
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<&pico_header 1 0>,
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<&pico_header 2 0>,
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<&pico_header 3 0>,
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<&pico_header 4 0>,
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<&pico_header 5 0>,
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<&pico_header 6 0>,
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<&pico_header 7 0>,
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<&pico_header 8 0>,
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<&pico_header 9 0>,
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<&pico_header 10 0>,
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<&pico_header 11 0>,
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<&pico_header 12 0>,
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<&pico_header 13 0>,
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<&pico_header 14 0>,
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<&pico_header 15 0>,
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<&pico_header 16 0>,
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<&pico_header 17 0>,
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<&pico_header 18 0>,
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<&pico_header 19 0>,
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<&pico_header 20 0>,
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<&pico_header 21 0>,
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<&pico_header 22 0>,
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<&gpio0 23 0>,
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<&gpio0 24 0>,
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<&gpio0 25 0>,
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<&pico_header 26 0>,
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<&pico_header 27 0>,
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<&pico_header 28 0>;
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builtin-led-gpios = <&gpio0 25 0>;
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pwm-pin-gpios = <&pico_header 2 0>,
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<&pico_header 3 0>,
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<&pico_header 7 0>,
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<&pico_header 8 0>,
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<&pico_header 10 0>,
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<&pico_header 11 0>,
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<&pico_header 12 0>,
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<&pico_header 13 0>,
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<&pico_header 14 0>,
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<&pico_header 15 0>,
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<&pico_header 20 0>,
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<&pico_header 21 0>,
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<&pico_header 22 0>,
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<&gpio0 25 0>;
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adc-pin-gpios = <&pico_header 26 0>,
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<&pico_header 27 0>,
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<&pico_header 28 0>;
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pwms = <&pwm 2 255 PWM_POLARITY_NORMAL>,
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<&pwm 3 255 PWM_POLARITY_NORMAL>,
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<&pwm 7 255 PWM_POLARITY_NORMAL>,
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<&pwm 8 255 PWM_POLARITY_NORMAL>,
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<&pwm 10 255 PWM_POLARITY_NORMAL>,
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<&pwm 11 255 PWM_POLARITY_NORMAL>,
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<&pwm 12 255 PWM_POLARITY_NORMAL>,
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<&pwm 13 255 PWM_POLARITY_NORMAL>,
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<&pwm 14 255 PWM_POLARITY_NORMAL>,
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<&pwm 15 255 PWM_POLARITY_NORMAL>,
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<&pwm 4 255 PWM_POLARITY_NORMAL>,
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<&pwm 5 255 PWM_POLARITY_NORMAL>,
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<&pwm 6 255 PWM_POLARITY_NORMAL>,
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<&pwm 9 255 PWM_POLARITY_NORMAL>;
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io-channels = <&adc 0>,
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<&adc 1>,
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<&adc 2>;
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serials = <&pico_serial>;
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i2cs = <&pico_i2c0>;
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spis = <&pico_spi>;
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};
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};
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&pinctrl {
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pwm_ch1a_default: pwm_ch1a_default {
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group1 {
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pinmux = <PWM_1A_P2>;
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};
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};
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pwm_ch1b_default: pwm_ch1b_default {
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group1 {
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pinmux = <PWM_1B_P3>;
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};
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};
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pwm_ch2a_default: pwm_ch2a_default {
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group1 {
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pinmux = <PWM_2A_P20>;
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};
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};
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pwm_ch2b_default: pwm_ch2b_default {
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group1 {
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pinmux = <PWM_2B_P21>;
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};
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};
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pwm_ch3a_default: pwm_ch3a_default {
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group1 {
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pinmux = <PWM_3A_P22>;
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};
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};
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pwm_ch3b_default: pwm_ch3b_default {
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group1 {
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pinmux = <PWM_3B_P7>;
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};
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};
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pwm_ch4a_default: pwm_ch4a_default {
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group1 {
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pinmux = <PWM_4A_P8>;
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};
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};
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pwm_ch5a_default: pwm_ch5a_default {
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group1 {
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pinmux = <PWM_5A_P10>;
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};
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};
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pwm_ch5b_default: pwm_ch5b_default {
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group1 {
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pinmux = <PWM_5B_P11>;
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};
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};
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pwm_ch6a_default: pwm_ch6a_default {
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group1 {
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pinmux = <PWM_6A_P12>;
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};
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};
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pwm_ch6b_default: pwm_ch6b_default {
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group1 {
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pinmux = <PWM_6B_P13>;
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};
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};
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pwm_ch7a_default: pwm_ch7a_default {
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group1 {
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pinmux = <PWM_7A_P14>;
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};
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};
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pwm_ch7b_default: pwm_ch7b_default {
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group1 {
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pinmux = <PWM_7B_P15>;
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};
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};
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};
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&pwm {
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status = "okay";
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divider-frac-4 = <15>;
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divider-int-4 = <255>;
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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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channel@0 {
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reg = <0>;
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zephyr,gain = "ADC_GAIN_1";
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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,resolution = <12>;
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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";
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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,resolution = <12>;
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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";
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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,resolution = <12>;
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};
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};

Diff for: ‎variants/rpi_pico/variant.h

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/*
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* Copyright (c) 2024 TOKITA Hiroshi
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*
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* SPDX-License-Identifier: Apache-2.0
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*/

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