From patchwork Fri Jul 7 16:31:04 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabrice Gasnier X-Patchwork-Id: 9830705 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 3A397602BD for ; Fri, 7 Jul 2017 16:32:44 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EBCDE2858F for ; Fri, 7 Jul 2017 16:32:30 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D5B1328683; Fri, 7 Jul 2017 16:32:30 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 522AC28680 for ; Fri, 7 Jul 2017 16:32:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=t/T933WcCy6tCEtfsKvKM85YY45uv2WjOCSJS10WiHM=; b=tFlyTJA/2pSSlc CwLvGu2bBiXJceuwCX6aHBEYrro5K73ybjhpN5s1o+15TMhbtRaLuAhe5cgz71cBfUWy+n7HB9Fbq yiXBf2u4Q+DRTLKN8KvVczD7JVLv8MQSVzO1cOsLyBOugtQYgLOVGx54g+LCNlwzPkkE8pWg/GTy/ 83cmdwF+KSWVVNQL3Y9p7Yqi4p47ho5AYKqh/Wy8U7tK94DYfVq1hQw2fid1MgnuQcBlXYORIPPx1 CB4BnMz7gXPbEDKx7k3daEDEIU0/Gw0GQhxEvp1gAP6OWoJSGItkmdQFYUzHkOnigvaDtk00NWqTW iaVUzH/aRqpC2zz9fO6A==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1dTWB9-0008DN-4C; Fri, 07 Jul 2017 16:32:27 +0000 Received: from mx07-00178001.pphosted.com ([62.209.51.94]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1dTWAb-0007PQ-7f for linux-arm-kernel@lists.infradead.org; Fri, 07 Jul 2017 16:31:59 +0000 Received: from pps.filterd (m0046037.ppops.net [127.0.0.1]) by mx07-.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id v67GSuua023590; Fri, 7 Jul 2017 18:31:28 +0200 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-.pphosted.com with ESMTP id 2bj8awhxg8-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Fri, 07 Jul 2017 18:31:28 +0200 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 3D3E346; Fri, 7 Jul 2017 16:31:28 +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 1CDA828EB; Fri, 7 Jul 2017 16:31:28 +0000 (GMT) Received: from localhost (10.75.127.46) by SFHDAG5NODE3.st.com (10.75.127.15) with Microsoft SMTP Server (TLS) id 15.0.1178.4; Fri, 7 Jul 2017 18:31:27 +0200 From: Fabrice Gasnier To: , , , , Subject: [PATCH v3 5/9] dt-bindings: iio: Add STM32 LPTimer trigger binding Date: Fri, 7 Jul 2017 18:31:04 +0200 Message-ID: <1499445068-7037-6-git-send-email-fabrice.gasnier@st.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1499445068-7037-1-git-send-email-fabrice.gasnier@st.com> References: <1499445068-7037-1-git-send-email-fabrice.gasnier@st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.46] X-ClientProxiedBy: SFHDAG2NODE2.st.com (10.75.127.5) To SFHDAG5NODE3.st.com (10.75.127.15) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-07-07_08:, , signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170707_093153_757982_EDE65B2E X-CRM114-Status: UNSURE ( 9.02 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, alexandre.torgue@st.com, linux-pwm@vger.kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, mcoquelin.stm32@gmail.com, fabrice.gasnier@st.com, linux-arm-kernel@lists.infradead.org, benjamin.gaignard@st.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Add documentation for STMicroelectronics STM32 Low-Power Timer Trigger binding. Signed-off-by: Fabrice Gasnier Acked-by: Jonathan Cameron Acked-by: Rob Herring --- Changes in v3: - Rob's comments: node name timer@..., update reg property description Changes in v2: - s/Low Power/Low-Power - remove leading 0x in example (parent node) - improve reg property description --- .../bindings/iio/timer/stm32-lptimer-trigger.txt | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/timer/stm32-lptimer-trigger.txt diff --git a/Documentation/devicetree/bindings/iio/timer/stm32-lptimer-trigger.txt b/Documentation/devicetree/bindings/iio/timer/stm32-lptimer-trigger.txt new file mode 100644 index 0000000..85e6806 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/timer/stm32-lptimer-trigger.txt @@ -0,0 +1,23 @@ +STMicroelectronics STM32 Low-Power Timer Trigger + +STM32 Low-Power Timer provides trigger source (LPTIM output) that can be used +by STM32 internal ADC and/or DAC. + +Must be a sub-node of an STM32 Low-Power Timer device tree node. +See ../mfd/stm32-lptimer.txt for details about the parent node. + +Required properties: +- compatible: Must be "st,stm32-lptimer-trigger". +- reg: Identify trigger hardware block. Must be 0, 1 or 2 + respectively for lptimer1, lptimer2 or lptimer3 + trigger output. + +Example: + timer@40002400 { + compatible = "st,stm32-lptimer"; + ... + trigger@0 { + compatible = "st,stm32-lptimer-trigger"; + reg = <0>; + }; + };