Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752576AbdHJMlQ (ORCPT ); Thu, 10 Aug 2017 08:41:16 -0400 Received: from esa6.microchip.iphmx.com ([216.71.154.253]:20226 "EHLO esa6.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752457AbdHJMlN (ORCPT ); Thu, 10 Aug 2017 08:41:13 -0400 X-IronPort-AV: E=Sophos;i="5.41,353,1498546800"; d="scan'208";a="3575322" From: Eugen Hristev To: , , , , , , , , CC: Subject: [PATCH 1/3] Documentation: dt: iio: at91-sama5d2_adc: add optional dma property Date: Thu, 10 Aug 2017 15:34:57 +0300 Message-ID: <1502368499-6739-2-git-send-email-eugen.hristev@microchip.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1502368499-6739-1-git-send-email-eugen.hristev@microchip.com> References: <1502368499-6739-1-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 Content-Length: 1190 Lines: 32 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..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. + 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