From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jonathan Cameron Subject: Re: [PATCH v7 7/9] dt-bindings: iio: adc: at91-sama5d2_adc: add channel specific consumer info Date: Sun, 10 Jun 2018 13:34:03 +0100 Message-ID: <20180610133403.533cfe38@archlinux> References: <1526975559-18966-1-git-send-email-eugen.hristev@microchip.com> <1526975559-18966-8-git-send-email-eugen.hristev@microchip.com> <20180522122319.GN22971@rfolt0960.corp.atmel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20180522122319.GN22971@rfolt0960.corp.atmel.com> Sender: linux-kernel-owner@vger.kernel.org To: Ludovic Desroches Cc: Eugen Hristev , alexandre.belloni@bootlin.com, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, linux-input@vger.kernel.org, nicolas.ferre@microchip.com, dmitry.torokhov@gmail.com, robh@kernel.org List-Id: devicetree@vger.kernel.org On Tue, 22 May 2018 14:23:19 +0200 Ludovic Desroches 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 > > Reviewed-by: Rob Herring > Acked-by: Ludovic Desroches 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 for details. > > + > > +Properties for consumer drivers: > > + - Consumer drivers can be connected to this producer device, as specified > > + in > > + - Channels exposed are specified in: > > + > > > > Example: > > > > @@ -38,4 +46,5 @@ adc: adc@fc030000 { > > atmel,trigger-edge-type = ; > > 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 > >