From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752540AbdJSLOU (ORCPT ); Thu, 19 Oct 2017 07:14:20 -0400 Received: from mail.free-electrons.com ([62.4.15.54]:46474 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751529AbdJSLOT (ORCPT ); Thu, 19 Oct 2017 07:14:19 -0400 Date: Thu, 19 Oct 2017 13:14:17 +0200 From: Alexandre Belloni To: Rob Herring Cc: Eugen Hristev , nicolas.ferre@microchip.com, linux-iio@vger.kernel.org, lars@metafoo.de, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, ludovic.desroches@microchip.com, jic23@kernel.org Subject: Re: [PATCH v2 1/5] dt-bindings: iio: at91-sama5d2_adc: add optional dma property Message-ID: <20171019111417.7rzdnkvtukzzhl2u@piout.net> References: <1507703732-29175-1-git-send-email-eugen.hristev@microchip.com> <1507703732-29175-2-git-send-email-eugen.hristev@microchip.com> <20171013215142.vlfhzzzetmc7resq@rob-hp-laptop> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20171013215142.vlfhzzzetmc7resq@rob-hp-laptop> User-Agent: NeoMutt/20170609 (1.8.3) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 13/10/2017 at 16:51:42 -0500, Rob Herring wrote: > On Wed, Oct 11, 2017 at 09:35:28AM +0300, Eugen Hristev wrote: > > Added property for DMA configuration of the device. > > > > Signed-off-by: Eugen Hristev > > --- > > Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt | 7 +++++++ > > 1 file changed, 7 insertions(+) > > > > diff --git a/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt b/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt > > index 552e7a8..5f94d479 100644 > > --- a/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt > > +++ b/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt > > @@ -17,6 +17,11 @@ Required properties: > > This property uses the IRQ edge types values: IRQ_TYPE_EDGE_RISING , > > IRQ_TYPE_EDGE_FALLING or IRQ_TYPE_EDGE_BOTH > > > > +Optional properties: > > + - dmas: Phandle to dma channel for the ADC. > > + See ../../dma/dma.txt for details. > > + - dma-names: Must be "rx" when dmas property is being used. > > -names is pointless when there is only one. > You didn't reply to the question I had previously about that: What if at some point, we have multiple dmas in the same binding? -- Alexandre Belloni, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com