From patchwork Thu Jun 1 16:31:08 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hugo Villeneuve X-Patchwork-Id: 102094 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:994d:0:b0:3d9:f83d:47d9 with SMTP id k13csp473925vqr; Thu, 1 Jun 2023 09:56:00 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ72oKsDJL2+Bmz9vdwO+jdlGMbUPP3zlye2CaXUI2OCkNEh6Y0u/3i0C92NXvFGH5TfKVXK X-Received: by 2002:a05:6a20:e618:b0:110:b0ab:879d with SMTP id my24-20020a056a20e61800b00110b0ab879dmr6635489pzb.26.1685638560053; Thu, 01 Jun 2023 09:56:00 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1685638560; cv=none; d=google.com; s=arc-20160816; b=HLShzYWZU62XHTwJ69J1eO4iKDhDN2mqeTYwU41GfZ00lO/Xy+G0/bJrh6D2eztCad jX+5luzODsCFfL301bzw4+XYz825ctjh4uR1cQQSGmatr2hxb1bvIMV51zqO3aTQSPbl zeMH7c2FdTdJ2H432vNWiNP4fi5XOitCCGLgqMalQ8dcN8J79JPKeS8opw+ZgfXnttkR 6ROtsO3+fz1Du6wKolx45RkNKnmeFW4waPAR/Kfp/MugE5zsvFmTozHfU92KP/mPXPG2 bnldNQEXMwmhClI7jIEbjNVMaoXlOAM5O5WwMrEm2nLG9qqK34qV9A6BGZzpKy3zVFbX iEEg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:subject:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:cc:to:from:dkim-signature; bh=SuJQI5JxUPzY+H5j7N6gL+Df0hCmvZbTgQvKUtpTEpg=; b=dpWwDSyh4V6Bo0LZfY4H+LmYbqcdMLojWXM9zdt+5ytRZGUbTmRwXzCym8h40F7cOQ U6/qyBOlMF5LPjv0shrWh3kuub79NbzBBY9r3v7ZoVRIVutYzG4Cy1Jo05W861YJGt07 kFq4wGYjnrFBkBsPl/Q5LGVTyhc/f3+B4dqZ+7IpcZoa1yeO5lRzAtfhJfkTBX4Dol4t h9V/B/Avcue2FsIJXZnMJM0m8cNs7noJCcyE5nZTaT/tsVyTKF09SemwNCS1BknPfasF QQc8dNgz9Q4nCpkBszn1RnD1HHKck7HnAsB6OV0H0WGI8vE0IODzUwp0bTjIZoYnJSsx I7uQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@hugovil.com header.s=x header.b=w92mRwXS; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id m2-20020a633f02000000b0051b578dfc51si3107363pga.744.2023.06.01.09.55.47; Thu, 01 Jun 2023 09:56:00 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=fail header.i=@hugovil.com header.s=x header.b=w92mRwXS; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232135AbjFAQtd (ORCPT + 99 others); Thu, 1 Jun 2023 12:49:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60800 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231856AbjFAQtN (ORCPT ); Thu, 1 Jun 2023 12:49:13 -0400 Received: from mail.hugovil.com (mail.hugovil.com [162.243.120.170]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1747C184; Thu, 1 Jun 2023 09:49:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=hugovil.com ; s=x; h=Subject:Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-Id:Date:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=SuJQI5JxUPzY+H5j7N6gL+Df0hCmvZbTgQvKUtpTEpg=; b=w92mRwXS4Kz0mp2SfBHiVQMRbi jUURmYFZOtEsob0T41CkM1VwAyC3yQtlXMTgI6N5t5lZmzNsD6eio0POqG54zZ7PVHFdXv2Gjc7Jn RSbJup2h1+FZwPYiAi3lceqZvvX7YdNshnXMl/4NnyuY/FRQAyEqOeGaXW1h/bxkpDtg=; Received: from modemcable168.174-80-70.mc.videotron.ca ([70.80.174.168]:53588 helo=pettiford.lan) by mail.hugovil.com with esmtpa (Exim 4.92) (envelope-from ) id 1q4lCs-0003BU-Iy; Thu, 01 Jun 2023 12:31:23 -0400 From: Hugo Villeneuve To: gregkh@linuxfoundation.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, jirislaby@kernel.org, jringle@gridpoint.com, l.perczak@camlintechnologies.com, tomasz.mon@camlingroup.com Cc: linux-serial@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, hugo@hugovil.com, linux-gpio@vger.kernel.org, Hugo Villeneuve , stable@vger.kernel.org, Conor Dooley , Lech Perczak Date: Thu, 1 Jun 2023 12:31:08 -0400 Message-Id: <20230601163113.2785657-5-hugo@hugovil.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230601163113.2785657-1-hugo@hugovil.com> References: <20230601163113.2785657-1-hugo@hugovil.com> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 70.80.174.168 X-SA-Exim-Mail-From: hugo@hugovil.com X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net X-Spam-Level: X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_PASS,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 Subject: [PATCH v5 4/9] dt-bindings: sc16is7xx: Add property to change GPIO function X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on mail.hugovil.com) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1767520138775088858?= X-GMAIL-MSGID: =?utf-8?q?1767520138775088858?= From: Hugo Villeneuve Some variants in this series of UART controllers have GPIO pins that are shared between GPIO and modem control lines. The pin mux mode (GPIO or modem control lines) can be set for each ports (channels) supported by the variant. This adds a property to the device tree to set the GPIO pin mux to modem control lines on selected ports if needed. Cc: # 6.1.x Signed-off-by: Hugo Villeneuve Acked-by: Conor Dooley Reviewed-by: Lech Perczak --- .../bindings/serial/nxp,sc16is7xx.txt | 46 +++++++++++++++++++ 1 file changed, 46 insertions(+) diff --git a/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.txt b/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.txt index 0fa8e3e43bf8..1a7e4bff0456 100644 --- a/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.txt +++ b/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.txt @@ -23,6 +23,9 @@ Optional properties: 1 = active low. - irda-mode-ports: An array that lists the indices of the port that should operate in IrDA mode. +- nxp,modem-control-line-ports: An array that lists the indices of the port that + should have shared GPIO lines configured as + modem control lines. Example: sc16is750: sc16is750@51 { @@ -35,6 +38,26 @@ Example: #gpio-cells = <2>; }; + sc16is752: sc16is752@53 { + compatible = "nxp,sc16is752"; + reg = <0x53>; + clocks = <&clk20m>; + interrupt-parent = <&gpio3>; + interrupts = <7 IRQ_TYPE_EDGE_FALLING>; + nxp,modem-control-line-ports = <1>; /* Port 1 as modem control lines */ + gpio-controller; /* Port 0 as GPIOs */ + #gpio-cells = <2>; + }; + + sc16is752: sc16is752@54 { + compatible = "nxp,sc16is752"; + reg = <0x54>; + clocks = <&clk20m>; + interrupt-parent = <&gpio3>; + interrupts = <7 IRQ_TYPE_EDGE_FALLING>; + nxp,modem-control-line-ports = <0 1>; /* Ports 0 and 1 as modem control lines */ + }; + * spi as bus Required properties: @@ -59,6 +82,9 @@ Optional properties: 1 = active low. - irda-mode-ports: An array that lists the indices of the port that should operate in IrDA mode. +- nxp,modem-control-line-ports: An array that lists the indices of the port that + should have shared GPIO lines configured as + modem control lines. Example: sc16is750: sc16is750@0 { @@ -70,3 +96,23 @@ Example: gpio-controller; #gpio-cells = <2>; }; + + sc16is752: sc16is752@1 { + compatible = "nxp,sc16is752"; + reg = <1>; + clocks = <&clk20m>; + interrupt-parent = <&gpio3>; + interrupts = <7 IRQ_TYPE_EDGE_FALLING>; + nxp,modem-control-line-ports = <1>; /* Port 1 as modem control lines */ + gpio-controller; /* Port 0 as GPIOs */ + #gpio-cells = <2>; + }; + + sc16is752: sc16is752@2 { + compatible = "nxp,sc16is752"; + reg = <2>; + clocks = <&clk20m>; + interrupt-parent = <&gpio3>; + interrupts = <7 IRQ_TYPE_EDGE_FALLING>; + nxp,modem-control-line-ports = <0 1>; /* Ports 0 and 1 as modem control lines */ + };