move pinmux.h to drivers/pinmux.h and
create a shim for backward-compatibility.
No functional changes to the headers.
A warning in the shim can be controlled with CONFIG_COMPAT_INCLUDES.
Related to #16539
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Hook up SERCOM1 to I2C, it is connected to the EXT3 header and
the EDBG embedded debugging interface.
Signed-off-by: Benjamin Valentin <benpicco@googlemail.com>
Move SERCOM peripherals to use the raw defines generated from DTS
parsing. This adds aliases to the DTS so that the SERCOM number
can still be used for clocking and pinmux.
Signed-off-by: Derek Hageman <hageman@inthat.cloud>
Add the Atmel SAM R21 Xplained Pro Evaluation Kit to zephyr.
So far, UART, SPI, I2C (depends on #14128), debug LED and user button
have been tested.
Signed-off-by: Benjamin Valentin <benpicco@googlemail.com>
