linux-kernel - [PATCH 0/5] mfd: rn5t618: add ADC support

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Date:   Fri, 17 Jan 2020 22:59:21 +0100
From:   Andreas Kemnade <andreas@...nade.info>
To:     jic23@...nel.org, knaack.h@....de, lars@...afoo.de,
        pmeerw@...erw.net, lee.jones@...aro.org, b.galvani@...il.com,
        linus.walleij@...aro.org, andreas@...nade.info,
        linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org,
        phh@....me, stefan@...er.ch, letux-kernel@...nphoenux.org
Subject: [PATCH 0/5] mfd: rn5t618: add ADC support

This series adds support for the ADC in the RN5T618/RC5T619.
It depends on the IRQ support added in the RTC support series here:
https://lore.kernel.org/lkml/20191220122416.31881-1-andreas@kemnade.info/

First regmap setup has to be fixed because there is a register
wrongly classified as volatile.

I tested the driver only with the RC5T619 but it should work with the with 
the RN5T618 as well based on these facts:
- The corresponding register definitions originally went into the kernel
  for the RN5T618
- Public datasheet sections about the ADC look same.
- Out-of-tree code for these chips look same regarding to ADC

I marked these untested patches as RFC, and IMHO they require a Tested-By.
Feel free to ignore them if the whole series would be delayed just because
of missing Tested-By for those.

Andreas Kemnade (5):
  mfd: rn5t618: mark ADC control register volatile
  mfd: rn5t618: add ADC subdevice for RC5T619
  iio: adc: rn5t618: Add ADC driver for RN5T618/RC5T619
  mfd: rn5t618: add IRQ definitions for RN5T618
  mfd: rn5t618: add ADC subdevice for RN5T618

 drivers/iio/adc/Kconfig       |  10 ++
 drivers/iio/adc/Makefile      |   1 +
 drivers/iio/adc/rn5t618-adc.c | 266 ++++++++++++++++++++++++++++++++++
 drivers/mfd/rn5t618.c         |  49 ++++++-
 4 files changed, 324 insertions(+), 2 deletions(-)
 create mode 100644 drivers/iio/adc/rn5t618-adc.c

-- 
2.20.1