From patchwork Sat Feb 29 16:05:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Martin Devera X-Patchwork-Id: 204006 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A5349C3F2CD for ; Sat, 29 Feb 2020 16:30:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 53D2524697 for ; Sat, 29 Feb 2020 16:30:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=eaxlabs.cz header.i=@eaxlabs.cz header.b="U7FACzCG" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727242AbgB2QaF (ORCPT ); Sat, 29 Feb 2020 11:30:05 -0500 Received: from ms9.eaxlabs.cz ([147.135.177.209]:33612 "EHLO ms9.eaxlabs.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727119AbgB2QaF (ORCPT ); Sat, 29 Feb 2020 11:30:05 -0500 X-Greylist: delayed 1456 seconds by postgrey-1.27 at vger.kernel.org; Sat, 29 Feb 2020 11:30:04 EST DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=eaxlabs.cz; s=mail; h=References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From; bh=0sL7frbHX+9iov4VRw0n07dyNagmVgH6U/A+xu41NOk=; b=U7FACzCGC/KpiyvYGzuV/ssi7fk91JfFx3sPnZIDuDGZDcVFCc5/dLoE37026ZTSmjgiwKDe1kC7W1Mw7wn1lkqRmS4lynTk0j80KGn67sWnqOgYfSiHTbnBbxunDOAwu4LipcXyTZf1a1qmFClCUKIDkVj2Tjrnilv4aiwc+zg=; Received: from [82.99.129.6] (helo=localhost.localdomain) by ms9.eaxlabs.cz with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.84_2) (envelope-from ) id 1j84ca-000150-MZ; Sat, 29 Feb 2020 17:05:46 +0100 From: Martin Devera To: Greg Kroah-Hartman , Rob Herring , Mark Rutland , Maxime Coquelin , Alexandre Torgue , linux-serial@vger.kernel.org (open list:SERIAL DRIVERS), devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-arm-kernel@lists.infradead.org (moderated list:ARM/STM32 ARCHITECTURE), linux-kernel@vger.kernel.org (open list) Cc: Martin Devera Subject: [PATCH 2/2] dt-bindings: serial: Add st,swap to stm32-usart Date: Sat, 29 Feb 2020 17:05:07 +0100 Message-Id: <20200229160507.31309-2-devik@eaxlabs.cz> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20200229160507.31309-1-devik@eaxlabs.cz> References: <20200229160507.31309-1-devik@eaxlabs.cz> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add new st,swap property to allow for RX & TX pin swapping. Signed-off-by: Martin Devera --- Documentation/devicetree/bindings/serial/st,stm32-usart.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt index 08b499045a38..cbfa1f9f4b17 100644 --- a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt +++ b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt @@ -24,6 +24,7 @@ Optional properties: - pinctrl-n: Phandle(s) pointing to pin configuration nodes. For Pinctrl properties see ../pinctrl/pinctrl-bindings.txt - st,hw-flow-ctrl: bool flag to enable hardware flow control. +- st,swap: bool flag to swap RX and TX pins. - 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