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> > --- > .../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 > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html