Re: [PATCH v2] iio: mcp4xxx_dpot: Driver for Microchip digital potentiometers

From: Andreas Dannenberg
Date: Tue Sep 22 2015 - 08:11:38 EST


On Mon, Sep 21, 2015 at 11:18:26PM +0200, Peter Rosin wrote:
> From: Peter Rosin <peda@xxxxxxxxxx>
>
> Add support for Microchip digital potentiometers and rheostats
> MCP4531, MCP4532, MCP4551, MCP4552,
> MCP4631, MCP4632, MCP4651, MCP4652
>
> These are either single (45xx) or dual (46xx) wipers with either
> 129 (4x3x) or 257 (4x5x) steps, and configured either as
> potentiometers (4xx1) or rheostats (4xx2).
>
> Signed-off-by: Peter Rosin <peda@xxxxxxxxxx>
> ---
> MAINTAINERS | 5 +
> drivers/iio/Kconfig | 1 +
> drivers/iio/Makefile | 1 +
> drivers/iio/pot/Kconfig | 20 ++++
> drivers/iio/pot/Makefile | 6 ++
> drivers/iio/pot/mcp4xxx_dpot.c | 218 ++++++++++++++++++++++++++++++++++++++++
> 6 files changed, 251 insertions(+)
> create mode 100644 drivers/iio/pot/Kconfig
> create mode 100644 drivers/iio/pot/Makefile
> create mode 100644 drivers/iio/pot/mcp4xxx_dpot.c
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index b60e2b2369d2..2a34b75b3034 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -6600,6 +6600,11 @@ W: http://linuxtv.org
> S: Maintained
> F: drivers/media/radio/radio-maxiradio*
>
> +MCP4XXX MICROCHIP DIGITAL POTENTIOMETER DRIVER
> +M: Peter Rosin <peda@xxxxxxxxxx>
> +S: Maintained
> +F: drivers/iio/pot/mcp4xxx_dpot.*
> +
> MEDIA DRIVERS FOR RENESAS - VSP1
> M: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> L: linux-media@xxxxxxxxxxxxxxx
> diff --git a/drivers/iio/Kconfig b/drivers/iio/Kconfig
> index 4011effe4c05..837aabad4b9a 100644
> --- a/drivers/iio/Kconfig
> +++ b/drivers/iio/Kconfig
> @@ -73,6 +73,7 @@ source "drivers/iio/orientation/Kconfig"
> if IIO_TRIGGER
> source "drivers/iio/trigger/Kconfig"
> endif #IIO_TRIGGER
> +source "drivers/iio/pot/Kconfig"
> source "drivers/iio/pressure/Kconfig"
> source "drivers/iio/proximity/Kconfig"
> source "drivers/iio/temperature/Kconfig"
> diff --git a/drivers/iio/Makefile b/drivers/iio/Makefile
> index 698afc2d17ce..df026289309f 100644
> --- a/drivers/iio/Makefile
> +++ b/drivers/iio/Makefile
> @@ -23,6 +23,7 @@ obj-y += imu/
> obj-y += light/
> obj-y += magnetometer/
> obj-y += orientation/
> +obj-y += pot/
> obj-y += pressure/
> obj-y += proximity/
> obj-y += temperature/
> diff --git a/drivers/iio/pot/Kconfig b/drivers/iio/pot/Kconfig
> new file mode 100644
> index 000000000000..48ebc7ef6b6b
> --- /dev/null
> +++ b/drivers/iio/pot/Kconfig
> @@ -0,0 +1,20 @@
> +#
> +# Potentiometer drivers
> +#
> +# When adding new entries keep the list in alphabetical order
> +
> +menu "Digital potentiometers"
> +
> +config MCP4XXX_DPOT
> + tristate "Microchip MCP45xx/MCP46xx Digital Potentiometer driver"
> + depends on I2C
> + help
> + Say yes here to build support for the Microship

Microchip?

Regards,

--
Andreas Dannenberg
Texas Instruments Inc

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