Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753368AbdHQPLF (ORCPT ); Thu, 17 Aug 2017 11:11:05 -0400 Received: from mail-pg0-f67.google.com ([74.125.83.67]:35271 "EHLO mail-pg0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753317AbdHQPLD (ORCPT ); Thu, 17 Aug 2017 11:11:03 -0400 Date: Thu, 17 Aug 2017 10:10:59 -0500 From: Rob Herring To: Eugen Hristev Cc: nicolas.ferre@microchip.com, ludovic.desroches@microchip.com, linux-iio@vger.kernel.org, jic23@kernel.org, alexandre.belloni@free-electrons.com, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, lars@metafoo.de Subject: Re: [PATCH 1/3] Documentation: dt: iio: at91-sama5d2_adc: add optional dma property Message-ID: <20170817151059.ptnzqsrzray26zlr@rob-hp-laptop> References: <1502368499-6739-1-git-send-email-eugen.hristev@microchip.com> <1502368499-6739-2-git-send-email-eugen.hristev@microchip.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1502368499-6739-2-git-send-email-eugen.hristev@microchip.com> User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1605 Lines: 45 On Thu, Aug 10, 2017 at 03:34:57PM +0300, Eugen Hristev wrote: > Added property for DMA configuration of the device. "dt-bindings: iio: ..." is preferred for subject. > > 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..5f94d47 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's only one. > + > Example: > > adc: adc@fc030000 { > @@ -31,4 +36,6 @@ adc: adc@fc030000 { > vddana-supply = <&vdd_3v3_lp_reg>; > vref-supply = <&vdd_3v3_lp_reg>; > 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"; > } > -- > 2.7.4 > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel