From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932274AbdA3OgT (ORCPT ); Mon, 30 Jan 2017 09:36:19 -0500 Received: from mx07-00178001.pphosted.com ([62.209.51.94]:29815 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753599AbdA3Ofa (ORCPT ); Mon, 30 Jan 2017 09:35:30 -0500 From: Fabrice Gasnier To: , , , , , CC: , , , , , , , , , Subject: [PATCH v2 1/5] Documentation: dt: iio: document stm32 adc trigger polarity Date: Mon, 30 Jan 2017 15:33:56 +0100 Message-ID: <1485786840-4557-2-git-send-email-fabrice.gasnier@st.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1485786840-4557-1-git-send-email-fabrice.gasnier@st.com> References: <1485786840-4557-1-git-send-email-fabrice.gasnier@st.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.75.127.49] X-ClientProxiedBy: SFHDAG2NODE3.st.com (10.75.127.6) To SFHDAG5NODE3.st.com (10.75.127.15) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2017-01-30_08:,, signatures=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org STM32 ADC trigger polarity can be set to either rising, falling or both edges. Allow to configure it from dt. Signed-off-by: Fabrice Gasnier --- Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt b/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt index 5dfc88e..6c6d968 100644 --- a/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt +++ b/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt @@ -57,6 +57,8 @@ Optional properties: - dmas: Phandle to dma channel for this ADC instance. See ../../dma/dma.txt for details. - dma-names: Must be "rx" when dmas property is being used. +- st,trigger-polarity: Must be 0 (default), 1 or 2 to set default trigger + polarity to respectively "rising-edge", "falling-edge" or "both-edges". Example: adc: adc@40012000 { @@ -84,6 +86,7 @@ Example: st,adc-channels = <8>; dmas = <&dma2 0 0 0x400 0x0>; dma-names = "rx"; + st,trigger-polarity = <1>; }; ... other adc child nodes follow... -- 1.9.1