[PATCH v8 0/8] imx25 adc and touchscreen driver

Markus Pargmann
2015-11-16T12:01:01Z

Hi,

welcome to the next round of the never ending series ;). The last version v7
was sent roughly 8 months ago. The first version at least 1.5 years ago.

This series adds two drivers for ADC and TSC of the imx25 and a MFD driver to
connect these.

Due to the larger changes in this version I had to remove some of the acks
again.

@Hartmut:
Thanks for your comments. I updated the drivers accordingly.

Changes in v8:
- scale was defined as a shared property of the ADC although the scale can be
different for each ADC channel. v8 fixes that.
- Some smaller modifications of the code style in gcq code.
- Redesign of the regulator handling in the gcq code. The driver does now
handle regulators "vref-ext", "vref-xp" and "vref-yp" as positive voltage
reference. Also the calculation of the scale property based on these
voltage reference regulators was fixed. The code now uses
regulator_get_optional() to avoid dummy regulators.
- The missing regulator_disable() was added.

Thanks to Jürgen the time behavior of the units is now fixed and within specs:
- Fixed clock rates for the whole unit regarding to the reference manual.
- Fixed clock/time calculations for settling times in the touchscreen driver.

Best Regards,

Markus

Denis Carikli (2):
ARM: dts: imx25: Add TSC and ADC support
ARM: imx_v4_v5_defconfig: Add I.MX25 Touchscreen controller and ADC
support.

Markus Pargmann (6):
ARM: dt: Binding documentation for imx25 ADC/TSC
ARM: dt: Binding documentation for imx25 GCQ
ARM: dt: Binding documentation for imx25 touchscreen controller
mfd: fsl imx25 Touchscreen ADC driver
iio: adc: fsl,imx25-gcq driver
input: touchscreen: imx25 tcq driver

.../devicetree/bindings/iio/adc/fsl,imx25-gcq.txt | 58 ++
.../bindings/input/touchscreen/fsl-mx25-tcq.txt | 29 +
.../devicetree/bindings/mfd/fsl-imx25-tsadc.txt | 46 ++
arch/arm/boot/dts/imx25.dtsi | 30 +-
arch/arm/configs/imx_v4_v5_defconfig | 4 +
drivers/iio/adc/Kconfig | 7 +
drivers/iio/adc/Makefile | 1 +
drivers/iio/adc/fsl-imx25-gcq.c | 415 ++++++++++++++
drivers/input/touchscreen/Kconfig | 6 +
drivers/input/touchscreen/Makefile | 1 +
drivers/input/touchscreen/fsl-imx25-tcq.c | 600 +++++++++++++++++++++
drivers/mfd/Kconfig | 9 +
drivers/mfd/Makefile | 2 +
drivers/mfd/fsl-imx25-tsadc.c | 204 +++++++
include/dt-bindings/iio/adc/fsl-imx25-gcq.h | 18 +
include/linux/mfd/imx25-tsadc.h | 140 +++++
16 files changed, 1567 insertions(+), 3 deletions(-)
create mode 100644 Documentation/devicetree/bindings/iio/adc/fsl,imx25-gcq.txt
create mode 100644 Documentation/devicetree/bindings/input/touchscreen/fsl-mx25-tcq.txt
create mode 100644 Documentation/devicetree/bindings/mfd/fsl-imx25-tsadc.txt
create mode 100644 drivers/iio/adc/fsl-imx25-gcq.c
create mode 100644 drivers/input/touchscreen/fsl-imx25-tcq.c
create mode 100644 drivers/mfd/fsl-imx25-tsadc.c
create mode 100644 include/dt-bindings/iio/adc/fsl-imx25-gcq.h
create mode 100644 include/linux/mfd/imx25-tsadc.h

--
2.6.1

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