Commit c05dc2cc authored by Peter Rosin's avatar Peter Rosin Committed by Jonathan Cameron
Browse files

iio: mcp4531: Driver for Microchip digital potentiometers 

Add support for Microchip digital potentiometers and rheostats
	MCP4531, MCP4532, MCP4551, MCP4552
	MCP4631, MCP4632, MCP4651, MCP4652

DEVICE   Wipers  Steps  Resistor Opts (kOhm)  i2c address
MCP4531  1       129    5, 10, 50, 100        010111x
MCP4532  1       129    5, 10, 50, 100        01011xx
MCP4551  1       257    5, 10, 50, 100        010111x
MCP4552  1       257    5, 10, 50, 100        01011xx
MCP4631  2       129    5, 10, 50, 100        0101xxx
MCP4632  2       129    5, 10, 50, 100        01011xx
MCP4651  2       257    5, 10, 50, 100        0101xxx
MCP4652  2       257    5, 10, 50, 100        01011xx

Datasheet: http://www.microchip.com/downloads/en/DeviceDoc/22096b.pdf



Signed-off-by: default avatarPeter Rosin <peda@axentia.se>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent b15aef8d

MAINTAINERS

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@@ -6682,6 +6682,12 @@ W: http://linuxtv.org 
S:	Maintained

F:	drivers/media/radio/radio-maxiradio*



MCP4531 MICROCHIP DIGITAL POTENTIOMETER DRIVER

M:	Peter Rosin <peda@axentia.se>

L:	linux-iio@vger.kernel.org

S:	Maintained

F:	drivers/iio/potentiometer/mcp4531.c



MEDIA DRIVERS FOR RENESAS - VSP1

M:	Laurent Pinchart <laurent.pinchart@ideasonboard.com>

L:	linux-media@vger.kernel.org

drivers/iio/Kconfig

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@@ -60,6 +60,7 @@ source "drivers/iio/orientation/Kconfig" 
if IIO_TRIGGER

   source "drivers/iio/trigger/Kconfig"

endif #IIO_TRIGGER

source "drivers/iio/potentiometer/Kconfig"

source "drivers/iio/pressure/Kconfig"

source "drivers/iio/proximity/Kconfig"

source "drivers/iio/temperature/Kconfig"

drivers/iio/Makefile

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@@ -23,6 +23,7 @@ obj-y += imu/ 
obj-y += light/

obj-y += magnetometer/

obj-y += orientation/

obj-y += potentiometer/

obj-y += pressure/

obj-y += proximity/

obj-y += temperature/

drivers/iio/potentiometer/Kconfig

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#

# Potentiometer drivers

#

# When adding new entries keep the list in alphabetical order



menu "Digital potentiometers"



config MCP4531

	tristate "Microchip MCP45xx/MCP46xx Digital Potentiometer driver"

	depends on I2C

	help

	  Say yes here to build support for the Microchip

	  MCP4531, MCP4532, MCP4551, MCP4552,

	  MCP4631, MCP4632, MCP4651, MCP4652

	  digital potentiomenter chips.



	  To compile this driver as a module, choose M here: the

	  module will be called mcp4531.



endmenu

drivers/iio/potentiometer/Makefile

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#

# Makefile for industrial I/O potentiometer drivers

#



# When adding new entries keep the list in alphabetical order

obj-$(CONFIG_MCP4531) += mcp4531.o

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