From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932175AbdA3OmR (ORCPT ); Mon, 30 Jan 2017 09:42:17 -0500 Received: from mx07-00178001.pphosted.com ([62.209.51.94]:53365 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753599AbdA3OmM (ORCPT ); Mon, 30 Jan 2017 09:42:12 -0500 From: Fabrice Gasnier To: , , , , , CC: , , , , , , , , , Subject: [PATCH 3/5] Documentation: dt: iio: document stm32 exti trigger Date: Mon, 30 Jan 2017 14:57:41 +0100 Message-ID: <1485784663-19505-4-git-send-email-fabrice.gasnier@st.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1485784663-19505-1-git-send-email-fabrice.gasnier@st.com> References: <1485784663-19505-1-git-send-email-fabrice.gasnier@st.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.75.127.47] X-ClientProxiedBy: SFHDAG6NODE2.st.com (10.75.127.17) 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 Add dt documentation for st,stm32-exti-trigger. EXTi gpio signal can be routed internally as trigger source for various IPs (e.g. for ADC or DAC conversions). Signed-off-by: Fabrice Gasnier --- .../bindings/iio/trigger/st,stm32-exti-trigger.txt | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/trigger/st,stm32-exti-trigger.txt diff --git a/Documentation/devicetree/bindings/iio/trigger/st,stm32-exti-trigger.txt b/Documentation/devicetree/bindings/iio/trigger/st,stm32-exti-trigger.txt new file mode 100644 index 0000000..ebf2645 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/trigger/st,stm32-exti-trigger.txt @@ -0,0 +1,17 @@ +STMicroelectronics STM32 EXTI trigger bindings + +EXTi gpio signal can be routed internally as trigger source for various +IPs (e.g. for ADC or DAC conversions). + +Contents of a stm32 exti trigger root node: +------------------------------------------- +Required properties: +- compatible: Should be "st,stm32-exti-trigger" +- extiN-gpio: optional gpio line that may be used as external trigger source + (e.g. N may be 0..15. For example, exti11-gpio can trig ADC on stm32f4). + +Example: + triggers { + compatible = "st,stm32-exti-trigger"; + exti11-gpio=<&gpioa 11 0>; + }; -- 1.9.1