# Copyright (c) 2023, Joseph Yates
# SPDX-License-Identifier: Apache-2.0

description: |
    GPIO pins exposed on Raspberry Pi Pico headers.

    The Raspberry Pi Pico layout provides 2 columns of 20 pins headers

    This binding provides a nexus mapping for the default 26 pins as depicted below:

        0  GPIO0/UART0_TX      VBUS            -
        1  GPIO1/UART0_RX      VSYS            -
        -  GND                 GND             -
        2  GPIO2               3V3_EN          -
        3  GPIO3               3V3_OUT         -
        4  GPIO4/I2C0_SDA      ADC_VREF        -
        5  GPIO5/I2C0_SCL      GPIO28/ADC2     28
        -  GND                 GND             -
        6  GPIO6               GPIO27/ADC1     27
        7  GPIO7               GPIO26/ADC0     26
        8  GPIO8               RUN             -
        9  GPIO9               GPIO22          22
        -  GND                 GND             -
        10 GPIO10              GPIO21          21
        11 GPIO11              GPIO20          20
        12 GPIO12              GPIO19/SPI0_TX  19
        13 GPIO13              GPIO18/SPI0_SCK 18
        -  GND                 GND             -
        14 GPIO14              GPIO17/SPI0_CSn 17
        15 GPIO15              GPIO16/SPI0_RX  16

compatible: "raspberrypi,pico-header"

include: [gpio-nexus.yaml, base.yaml]