From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751538AbeEVMYQ (ORCPT ); Tue, 22 May 2018 08:24:16 -0400 Received: from esa1.microchip.iphmx.com ([68.232.147.91]:39745 "EHLO esa1.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750707AbeEVMYN (ORCPT ); Tue, 22 May 2018 08:24:13 -0400 X-IronPort-AV: E=Sophos;i="5.49,430,1520924400"; d="scan'208";a="15177924" Date: Tue, 22 May 2018 14:23:19 +0200 From: Ludovic Desroches To: Eugen Hristev CC: , , , , , , , , , , Subject: Re: [PATCH v7 7/9] dt-bindings: iio: adc: at91-sama5d2_adc: add channel specific consumer info Message-ID: <20180522122319.GN22971@rfolt0960.corp.atmel.com> Mail-Followup-To: Eugen Hristev , jic23@kernel.org, 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 References: <1526975559-18966-1-git-send-email-eugen.hristev@microchip.com> <1526975559-18966-8-git-send-email-eugen.hristev@microchip.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <1526975559-18966-8-git-send-email-eugen.hristev@microchip.com> User-Agent: Mutt/1.9.5 (2018-04-13) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 > --- > .../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 >