From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932416AbdJKGiu (ORCPT ); Wed, 11 Oct 2017 02:38:50 -0400 Received: from esa2.microchip.iphmx.com ([68.232.149.84]:33119 "EHLO esa2.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757095AbdJKGir (ORCPT ); Wed, 11 Oct 2017 02:38:47 -0400 X-IronPort-AV: E=Sophos;i="5.43,360,1503385200"; d="scan'208";a="7774076" From: Eugen Hristev To: , , , , , , , , CC: Subject: [PATCH v2 1/5] dt-bindings: iio: at91-sama5d2_adc: add optional dma property Date: Wed, 11 Oct 2017 09:35:28 +0300 Message-ID: <1507703732-29175-2-git-send-email-eugen.hristev@microchip.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1507703732-29175-1-git-send-email-eugen.hristev@microchip.com> References: <1507703732-29175-1-git-send-email-eugen.hristev@microchip.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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. + 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