mfd: Add base driver for Netronix embedded controller

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The Netronix embedded controller is a microcontroller found in some
e-book readers designed by the original design manufacturer Netronix,
Inc. It contains RTC, battery monitoring, system power management, and
PWM functionality.

This driver implements register access and version detection.

Third-party hardware documentation is available at:

  https://github.com/neuschaefer/linux/wiki/Netronix-MSP430-embedded-controller

The EC supports interrupts, but the driver doesn't make use of them so
far.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

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Jonathan Neuschäfer 2021-01-24 22:41:23 +01:00 • committed by Lee Jones

parent 01929c7133

commit eceae58393

4 changed files with 270 additions and 0 deletions

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37

include/linux/mfd/ntxec.h

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