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[Core] Add Raspberry Pi RP2040 support (#14877)

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* Disable RESET keycode because of naming conflicts

* Add Pico SDK as submodule

* Add RP2040 build support to QMK

* Adjust USB endpoint structs for RP2040

* Add RP2040 bootloader and double-tap reset routine

* Add generic and pro micro RP2040 boards

* Add RP2040 onekey keyboard

* Add WS2812 PIO DMA enabled driver and documentation

Supports regular and open-drain output configuration. RP2040 GPIOs are
sadly not 5V tolerant, so this is a bit use-less or needs extra hardware
or you take the risk to fry your hardware.

* Adjust SIO Driver for RP2040

* Adjust I2C Driver for RP2040

* Adjust SPI Driver for RP2040

* Add PIO serial driver and documentation

* Add general RP2040 documentation

* Apply suggestions from code review

Co-authored-by: Nick Brassel <nick@tzarc.org>

Co-authored-by: Nick Brassel <nick@tzarc.org>
This commit is contained in:
Stefan Kerkmann 2022-06-30 13:19:27 +02:00 • committed by GitHub
parent d206c1791e
commit d717396708
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43 changed files with 2026 additions and 96 deletions
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6
docs/compatible_microcontrollers.md
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@ -65,6 +65,12 @@ You can also use any ARM chip with USB that [ChibiOS](https://www.chibios.org) s
* [MK66FX1M0](https://www.nxp.com/products/processors-and-microcontrollers/arm-microcontrollers/general-purpose-mcus/k-series-cortex-m4/k6x-ethernet/kinetis-k66-180-mhz-dual-high-speed-full-speed-usbs-2mb-flash-microcontrollers-mcus-based-on-arm-cortex-m4-core:K66_180)
* PJRC Teensy 3.6
### Raspberry Pi
* [RP2040](https://www.raspberrypi.com/documentation/microcontrollers/rp2040.html)
For a detailed overview about the RP2040 support by QMK see the [dedicated RP2040 page](platformdev_rp2040.md).
## Atmel ATSAM
There is limited support for one of Atmel's ATSAM microcontrollers, that being the [ATSAMD51J18A](https://www.microchip.com/wwwproducts/en/ATSAMD51J18A) used by the [Massdrop keyboards](https://github.com/qmk/qmk_firmware/tree/master/keyboards/massdrop). However, it is not recommended to design a board with this microcontroller as the support is quite specialized to Massdrop hardware.