From patchwork Thu Sep 15 16:42:34 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre TORGUE X-Patchwork-Id: 9334285 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 08CAA601C2 for ; Thu, 15 Sep 2016 16:46:23 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F15BF29A79 for ; Thu, 15 Sep 2016 16:46:22 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E5F8F29A7B; Thu, 15 Sep 2016 16:46:22 +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=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 7BF2929A82 for ; Thu, 15 Sep 2016 16:46:22 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1bkZmQ-0004kS-UE; Thu, 15 Sep 2016 16:44:54 +0000 Received: from mx08-00178001.pphosted.com ([91.207.212.93] helo=mx07-00178001.pphosted.com) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1bkZl1-0003P0-Dd for linux-arm-kernel@lists.infradead.org; Thu, 15 Sep 2016 16:43:30 +0000 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 u8FGf0ga027788; Thu, 15 Sep 2016 18:43:02 +0200 Received: from beta.dmz-ap.st.com (beta.dmz-ap.st.com [138.198.100.35]) by mx08-.pphosted.com with ESMTP id 25c7a56eg2-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Thu, 15 Sep 2016 18:43:02 +0200 Received: from zeta.dmz-ap.st.com (ns6.st.com [138.198.234.13]) by beta.dmz-ap.st.com (STMicroelectronics) with ESMTP id 806C122; Thu, 15 Sep 2016 16:42:58 +0000 (GMT) Received: from Webmail-ap.st.com (eapex1hubcas1.st.com [10.80.176.8]) by zeta.dmz-ap.st.com (STMicroelectronics) with ESMTP id 1F6DC702; Thu, 15 Sep 2016 16:42:57 +0000 (GMT) Received: from localhost (10.48.0.2) by Webmail-ap.st.com (10.80.176.7) with Microsoft SMTP Server (TLS) id 8.3.444.0; Fri, 16 Sep 2016 00:42:56 +0800 From: Alexandre TORGUE To: Maxime Coquelin , Rob Herring , , Greg Kroah-Hartman , Jiri Slaby Subject: [PATCH 02/11] DOCUMENTATION: dt-bindings: Document the STM32 USART bindings Date: Thu, 15 Sep 2016 18:42:34 +0200 Message-ID: <1473957763-30629-3-git-send-email-alexandre.torgue@st.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1473957763-30629-1-git-send-email-alexandre.torgue@st.com> References: <1473957763-30629-1-git-send-email-alexandre.torgue@st.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2016-09-15_08:, , signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160915_094327_935058_A4658E4D X-CRM114-Status: UNSURE ( 7.13 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-serial@vger.kernel.org, linux-arm-kernel@lists.infradead.org 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 This adds documentation of device tree bindings for the STM32 USART Signed-off-by: Maxime Coquelin Signed-off-by: Alexandre TORGUE diff --git a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt new file mode 100644 index 0000000..75b1400 --- /dev/null +++ b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt @@ -0,0 +1,34 @@ +* STMicroelectronics STM32 USART + +Required properties: +- compatible: Can be either "st,stm32-usart", "st,stm32-uart", +"st,stm32f7-usart" or "st,stm32f7-uart" depending on whether +the device supports synchronous mode and is compatible with +stm32(f4) or stm32f7. +- reg: The address and length of the peripheral registers space +- interrupts: The interrupt line of the USART instance +- clocks: The input clock of the USART instance + +Optional properties: +- pinctrl: The reference on the pins configuration +- st,hw-flow-ctrl: bool flag to enable hardware flow control. + +Examples: +usart4: serial@40004c00 { + compatible = "st,stm32-uart"; + reg = <0x40004c00 0x400>; + interrupts = <52>; + clocks = <&clk_pclk1>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usart4>; +}; + +usart2: serial@40004400 { + compatible = "st,stm32-usart", "st,stm32-uart"; + reg = <0x40004400 0x400>; + interrupts = <38>; + clocks = <&clk_pclk1>; + st,hw-flow-ctrl; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usart2 &pinctrl_usart2_rtscts>; +};