From patchwork Tue Feb 28 16:51:16 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabrice Gasnier X-Patchwork-Id: 733743 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3vXn2X1Qcyz9s8N for ; Wed, 1 Mar 2017 05:21:08 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751657AbdB1SUl (ORCPT ); Tue, 28 Feb 2017 13:20:41 -0500 Received: from mx08-00178001.pphosted.com ([91.207.212.93]:28134 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751621AbdB1SUf (ORCPT ); Tue, 28 Feb 2017 13:20:35 -0500 Received: from pps.filterd (m0046660.ppops.net [127.0.0.1]) by mx08-00178001.pphosted.com (8.16.0.11/8.16.0.11) with SMTP id v1SGqHJ4029915; Tue, 28 Feb 2017 17:52:17 +0100 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx08-.pphosted.com with ESMTP id 28vgqc0x4r-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Tue, 28 Feb 2017 17:52:17 +0100 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 254BA3A; Tue, 28 Feb 2017 16:52:17 +0000 (GMT) Received: from Webmail-eu.st.com (sfhdag5node3.st.com [10.75.127.15]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 0141B2A7E; Tue, 28 Feb 2017 16:52:17 +0000 (GMT) Received: from localhost (10.75.127.50) by SFHDAG5NODE3.st.com (10.75.127.15) with Microsoft SMTP Server (TLS) id 15.0.1178.4; Tue, 28 Feb 2017 17:52:16 +0100 From: Fabrice Gasnier To: , , , , , CC: , , , , , , , , , , Subject: [PATCH v3 3/6] dt-bindings: iio: document interrupt trigger support Date: Tue, 28 Feb 2017 17:51:16 +0100 Message-ID: <1488300679-3259-4-git-send-email-fabrice.gasnier@st.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1488300679-3259-1-git-send-email-fabrice.gasnier@st.com> References: <1488300679-3259-1-git-send-email-fabrice.gasnier@st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.50] X-ClientProxiedBy: SFHDAG5NODE2.st.com (10.75.127.14) To SFHDAG5NODE3.st.com (10.75.127.15) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-02-28_15:, , signatures=0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Document interrupt trigger that takes a generic interrupt, and can be used as trigger source for sampling devices such as sensors, ADCs... Signed-off-by: Fabrice Gasnier --- .../bindings/iio/trigger/iio-trig-interrupt.txt | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/trigger/iio-trig-interrupt.txt diff --git a/Documentation/devicetree/bindings/iio/trigger/iio-trig-interrupt.txt b/Documentation/devicetree/bindings/iio/trigger/iio-trig-interrupt.txt new file mode 100644 index 0000000..9de9856 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/trigger/iio-trig-interrupt.txt @@ -0,0 +1,22 @@ +Interrupt based trigger + +Any internal or external interrupt may be used as trigger source for +devices like sensors, ADCs... As an example, external signal can be +routed to a GPIO, and turned into an interrupt driven trigger. + +Required properties: +- compatible: Should be "interrupt-trigger" +- interrupts: The interrupt used as trigger. Generic interrupt client node as + described in ../../interrupt-controller/interrupts.txt + +Optional properties: +- #io-trigger-cells = <0>; See the IIO bindings, IIO trigger providers + and consumers sections in ../iio-bindings.txt + +Example: + trig0: interrupt-trigger0 { + #io-trigger-cells = <0>; + compatible = "interrupt-trigger"; + interrupts = <11 0>; + interrupt-parent = <&gpioa>; + }