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iio: adc: add NXP LPC18xx ADC driver

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Add base support for the 10-bit SAR ADC peripheral found
on NXP LPC18xx/43xx SoCs.

This is a minimal driver that does not support burst mode,
interrupts, DMA or hardware triggers.

User manual with register description can be found on:
LPC18xx: www.nxp.com/documents/user_manual/UM10430.pdf
LPC43xx: www.nxp.com/documents/user_manual/UM10503.pdf

Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Joachim Eastwood
2016-03-12 13:30:14 +01:00
committed by Jonathan Cameron
parent 1c118b7230
commit a583c24dee
3 changed files with 242 additions and 0 deletions
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10
drivers/iio/adc/Kconfig
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@@ -235,6 +235,16 @@ config LP8788_ADC
To compile this driver as a module, choose M here: the module will be
called lp8788_adc.
config LPC18XX_ADC
tristate "NXP LPC18xx ADC driver"
depends on ARCH_LPC18XX || COMPILE_TEST
depends on OF && HAS_IOMEM
help
Say yes here to build support for NXP LPC18XX ADC.
To compile this driver as a module, choose M here: the module will be
called lpc18xx_adc.
config MAX1027
tristate "Maxim max1027 ADC driver"
depends on SPI