From patchwork Tue Apr 7 16:30:28 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Coquelin X-Patchwork-Id: 458715 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 792DB1402AC for ; Wed, 8 Apr 2015 02:31:57 +1000 (AEST) Authentication-Results: ozlabs.org; dkim=fail reason="verification failed; unprotected key" header.d=gmail.com header.i=@gmail.com header.b=qwJp61ro; dkim-adsp=none (unprotected policy); dkim-atps=neutral Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753350AbbDGQbx (ORCPT ); Tue, 7 Apr 2015 12:31:53 -0400 Received: from mail-wi0-f182.google.com ([209.85.212.182]:34638 "EHLO mail-wi0-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753128AbbDGQbp (ORCPT ); Tue, 7 Apr 2015 12:31:45 -0400 Received: by widjs5 with SMTP id js5so14648035wid.1; Tue, 07 Apr 2015 09:31:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=Jxp6UkxAFntQnfjCCfUoP3T7OdRn4/UIQHba2/Q5GU4=; b=qwJp61roWUBs2ws0suYnxdd086PAj44ey326Iflre29NhfaOm5upsGpjUvJYIEjjCS Rn37ZVe4kFdKSsh05niyJuKHl5N6TD0WvaT+mFcoKvFtMtLQ/ZZXpElmgEQzFLpvd7q+ xq1xv7PzXz3ognH5hmJMGKbKEuYvm1Ws6lVJooLrq2p2Z7fI9VSSUvSVgaoffUVfg+9b 3d/ozPVNPfDPUdcuTAPKM9JCOcOAshFXbhnmZen8kRUYAOavOc14aMvZr8Nf5yXek0cE 5/6sAx+2NycJs2rh21kLdLu4SIDXrjq7lVY4L7NgK+hC3gSW7dGtzgPc14B3bTH0BkeG F39A== X-Received: by 10.194.60.173 with SMTP id i13mr40782889wjr.124.1428424303265; Tue, 07 Apr 2015 09:31:43 -0700 (PDT) Received: from lmecul0520.st.com. (58.26.90.92.rev.sfr.net. [92.90.26.58]) by mx.google.com with ESMTPSA id gt4sm11681251wib.21.2015.04.07.09.31.40 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 07 Apr 2015 09:31:42 -0700 (PDT) From: Maxime Coquelin To: u.kleine-koenig@pengutronix.de, afaerber@suse.de, geert@linux-m68k.org, Rob Herring , Philipp Zabel , Linus Walleij , Arnd Bergmann , stefan@agner.ch, pmeerw@pmeerw.net, pebolle@tiscali.nl, peter@hurleysoftware.com, andy.shevchenko@gmail.com, cw00.choi@samsung.com, Russell King , Daniel Lezcano , joe@perches.com Cc: Jonathan Corbet , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Thomas Gleixner , Greg Kroah-Hartman , Jiri Slaby , Andrew Morton , "David S. Miller" , Mauro Carvalho Chehab , Antti Palosaari , Tejun Heo , Will Deacon , Nikolay Borisov , Rusty Russell , Kees Cook , Michal Marek , linux-doc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-gpio@vger.kernel.org, linux-serial@vger.kernel.org, linux-arch@vger.kernel.org, linux-api@vger.kernel.org, mcoquelin.stm32@gmail.com Subject: [PATCH v6 09/15] dt-bindings: Document the STM32 USART bindings Date: Tue, 7 Apr 2015 18:30:28 +0200 Message-Id: <1428424234-28572-10-git-send-email-mcoquelin.stm32@gmail.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1428424234-28572-1-git-send-email-mcoquelin.stm32@gmail.com> References: <1428424234-28572-1-git-send-email-mcoquelin.stm32@gmail.com> Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org This adds documentation of device tree bindings for the STM32 USART Tested-by: Chanwoo Choi Signed-off-by: Maxime Coquelin Acked-by: Rob Herring --- .../devicetree/bindings/serial/st,stm32-usart.txt | 32 ++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 Documentation/devicetree/bindings/serial/st,stm32-usart.txt 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..8480a76 --- /dev/null +++ b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt @@ -0,0 +1,32 @@ +* STMicroelectronics STM32 USART + +Required properties: +- compatible: Can be either "st,stm32-usart" or "st,stm32-uart" depending on +whether the device supports synchronous mode. +- 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 +- auto-flow-control: 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>; + auto-flow-control; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usart2 &pinctrl_usart2_rtscts>; +};