ARM: at91: sama5d3: get rid of atmel_tsadcc driver

Touchscreen support for at91_adc has been introduced so we can get rid of
atmel_tsadcc.

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Documentation: dt: iio: improve atmel-adc documentation

This corrects the example by adding #address-cells, #size-cells and a reg for
each trigger to comply to the ePAPR, as suggested by Mark Rutland in
http://lists.infradead.org/pipermail/linux-arm-kernel/2014-February/234184.html

Also, it removes the properties that are not used anymore, to stop propagating
them.
Also fixes atmel,adc-use-external-triggers property name.

Finally, fixes a few typos.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Documentation: dt: iio: move arm/atmel-adc.txt to iio/adc/at91_adc.txt

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
ARM: at91/dt: at91-ariag25: remove useless adc properties

Remove the properties that are not used anymore by the at91_adc driver.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Cc: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
ARM: at91/dt: at91sam9260: remove useless adc properties

Remove the properties that are not used anymore by the at91_adc driver.

Also, add #address-cells, #size-cells and a reg for each trigger to comply to
the ePAPR.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
ARM: at91/dt: at91sam9g45: remove useless adc properties

Remove the properties that are not used anymore by the at91_adc driver.

Also, add #address-cells, #size-cells and a reg for each trigger to comply to
the ePAPR.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
ARM: at91/dt: at91sam9x5: remove useless adc properties

Remove the properties that are not used anymore by the at91_adc driver and fix
the atmel,adc-use-external-triggers property name.

Also, add #address-cells, #size-cells and a reg for each trigger to comply to
the ePAPR.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
ARM: at91/dt: sama5d3: remove useless adc properties

Remove the properties that are not used anymore by the at91_adc driver and fix
the atmel,adc-use-external-triggers property name.

Also, add #address-cells, #size-cells and a reg for each trigger to comply to
the ePAPR.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
ARM: at91/dt: at91-cosino: remove useless adc properties

Remove the properties that are not used anymore by the at91_adc driver.

Cc: Rodolfo Giometti <giometti@linux.it>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>