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[209.132.180.67]) by mx.google.com with ESMTP id 99-v6si1106571pla.603.2018.02.28.02.58.28; Wed, 28 Feb 2018 02:58:44 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752639AbeB1K5C convert rfc822-to-8bit (ORCPT + 99 others); Wed, 28 Feb 2018 05:57:02 -0500 Received: from mx07-00178001.pphosted.com ([62.209.51.94]:33187 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752583AbeB1K47 (ORCPT ); Wed, 28 Feb 2018 05:56:59 -0500 Received: from pps.filterd (m0046668.ppops.net [127.0.0.1]) by mx07-.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id w1SAsDVB001044; Wed, 28 Feb 2018 11:56:20 +0100 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 2gbwb16cut-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Wed, 28 Feb 2018 11:56:20 +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 7619131; Wed, 28 Feb 2018 10:56:19 +0000 (GMT) Received: from Webmail-eu.st.com (sfhdag3node3.st.com [10.75.127.9]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 5268427C9; Wed, 28 Feb 2018 10:56:19 +0000 (GMT) Received: from SFHDAG3NODE1.st.com (10.75.127.7) by SFHDAG3NODE3.st.com (10.75.127.9) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Wed, 28 Feb 2018 11:56:18 +0100 Received: from SFHDAG3NODE1.st.com ([fe80::1166:1abb:aad4:5f86]) by SFHDAG3NODE1.st.com ([fe80::1166:1abb:aad4:5f86%20]) with mapi id 15.00.1347.000; Wed, 28 Feb 2018 11:56:19 +0100 From: Bich HEMON To: Greg Kroah-Hartman , Rob Herring , Mark Rutland , Maxime Coquelin , Alexandre TORGUE , "Jiri Slaby" , "linux-serial@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" CC: Bich HEMON Subject: [PATCH 1/2] dt-bindings: serial: stm32: add RS485 optional properties Thread-Topic: [PATCH 1/2] dt-bindings: serial: stm32: add RS485 optional properties Thread-Index: AQHTsILD+3mLFjGajEW9eJJfj3p8HA== Date: Wed, 28 Feb 2018 10:56:18 +0000 Message-ID: <1519815373-22940-2-git-send-email-bich.hemon@st.com> References: <1519815373-22940-1-git-send-email-bich.hemon@st.com> In-Reply-To: <1519815373-22940-1-git-send-email-bich.hemon@st.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.75.127.50] Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2018-02-28_06:,, signatures=0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add options for enabling RS485 hardware control and configuring Driver Enable signal: - rs485-rts-delay - rs485-rx-during-tx - rs485-rts-active-low - linux,rs485-enabled-at-boot-time Signed-off-by: Bich Hemon --- Documentation/devicetree/bindings/serial/st,stm32-usart.txt | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt index aaeb564..81e0011 100644 --- a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt +++ b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt @@ -16,6 +16,8 @@ Required properties: Optional properties: - pinctrl: The reference on the pins configuration - st,hw-flow-ctrl: bool flag to enable hardware flow control. +- rs485-rts-delay, rs485-rx-during-tx, rs485-rts-active-low, + linux,rs485-enabled-at-boot-time: see rs485.txt. - dmas: phandle(s) to DMA controller node(s). Refer to stm32-dma.txt - dma-names: "rx" and/or "tx" - wakeup-source: bool flag to indicate this device has wakeup capabilities -- 1.9.1