On Tue, 22 May 2018 14:23:19 +0200
Ludovic Desroches <ludovic.desroches@xxxxxxxxxxxxx> wrote:
> On Tue, May 22, 2018 at 10:52:37AM +0300, Eugen Hristev wrote:
> > Added defines for channel consumer device-tree binding
> >
> > Signed-off-by: Eugen Hristev <eugen.hristev@xxxxxxxxxxxxx>
> > Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
> Acked-by: Ludovic Desroches <ludovic.desroches@xxxxxxxxxxxxx>
Applied to the togreg branch of iio.git and pushed out as testing for
the autobuilders to play with it.
Thanks,
Jonathan
>
> > ---
> > .../devicetree/bindings/iio/adc/at91-sama5d2_adc.txt | 9 +++++++++
> > include/dt-bindings/iio/adc/at91-sama5d2_adc.h | 16 ++++++++++++++++
> > 2 files changed, 25 insertions(+)
> > create mode 100644 include/dt-bindings/iio/adc/at91-sama5d2_adc.h
> >
> > diff --git a/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt b/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt
> > index 6469a4c..4a3c1d4 100644
> > --- a/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt
> > +++ b/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt
> > @@ -21,6 +21,14 @@ Optional properties:
> > - dmas: Phandle to dma channel for the ADC.
> > - dma-names: Must be "rx" when dmas property is being used.
> > See ../../dma/dma.txt for details.
> > + - #io-channel-cells: in case consumer drivers are attached, this must be 1.
> > + See <Documentation/devicetree/bindings/iio/iio-bindings.txt> for details.
> > +
> > +Properties for consumer drivers:
> > + - Consumer drivers can be connected to this producer device, as specified
> > + in <Documentation/devicetree/bindings/iio/iio-bindings.txt>
> > + - Channels exposed are specified in:
> > + <dt-bindings/iio/adc/at91-sama5d2_adc.txt>
> >
> > Example:
> >
> > @@ -38,4 +46,5 @@ adc: adc@fc030000 {
> > atmel,trigger-edge-type = <IRQ_TYPE_EDGE_BOTH>;
> > dmas = <&dma0 (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) | AT91_XDMAC_DT_PERID(25))>;
> > dma-names = "rx";
> > + #io-channel-cells = <1>;
> > }
> > diff --git a/include/dt-bindings/iio/adc/at91-sama5d2_adc.h b/include/dt-bindings/iio/adc/at91-sama5d2_adc.h
> > new file mode 100644
> > index 0000000..70f99db
> > --- /dev/null
> > +++ b/include/dt-bindings/iio/adc/at91-sama5d2_adc.h
> > @@ -0,0 +1,16 @@
> > +/* SPDX-License-Identifier: GPL-2.0 */
> > +/*
> > + * This header provides constants for configuring the AT91 SAMA5D2 ADC
> > + */
> > +
> > +#ifndef _DT_BINDINGS_IIO_ADC_AT91_SAMA5D2_ADC_H
> > +#define _DT_BINDINGS_IIO_ADC_AT91_SAMA5D2_ADC_H
> > +
> > +/* X relative position channel index */
> > +#define AT91_SAMA5D2_ADC_X_CHANNEL 24
> > +/* Y relative position channel index */
> > +#define AT91_SAMA5D2_ADC_Y_CHANNEL 25
> > +/* pressure channel index */
> > +#define AT91_SAMA5D2_ADC_P_CHANNEL 26
> > +
> > +#endif
> > --
> > 2.7.4
> >
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