micropython/ports/mimxrt/boards/TEENSY41
Philipp Ebensberger 87f97e490c mimxrt/sdcard: Implement SDCard driver.
- Configures `PLL2->PFD0` with **198MHz** as base clock of
	`USDHCx` peripheral.
- Adds guards for SDCard related files via `MICROPY_PY_MACHINE_SDCARD`
- Adds creation of pin defines for SDCard to make-pins.py
- Adds new configuration option for SDCard peripheral pinout
        to mpconfigport.h
- Adds interrupt handling support instead of polling
- Adds support for `ADMA2` powered data transfer
- Configures SDCard to run in HS (high-speed mode) with **50MHz** only!

SDCard support is optional and requires `USDHC` peripheral.
Thus this driver is not available on `MIMXRT1010_EVK`.
SDCard support is enabled by setting `MICROPY_PY_MACHINE_SDCARD = 1`
in mpconfigboard.mk.

Signed-off-by: Philipp Ebensberger
2021-09-07 20:45:33 +02:00
..
TEENSY41.ld mimxrt/boards: Add board configuration files for Teensy 4.1. 2021-06-04 01:00:39 +10:00
flash_config.c mimxrt/boards: Add board configuration files for Teensy 4.1. 2021-06-04 01:00:39 +10:00
mpconfigboard.h mimxrt/sdcard: Implement SDCard driver. 2021-09-07 20:45:33 +02:00
mpconfigboard.mk mimxrt/sdcard: Implement SDCard driver. 2021-09-07 20:45:33 +02:00
pins.csv mimxrt/boards: Add board configuration files for Teensy 4.1. 2021-06-04 01:00:39 +10:00
teensy41_flexspi_nor_config.h mimxrt/boards: Add board configuration files for Teensy 4.1. 2021-06-04 01:00:39 +10:00