From patchwork Thu May 25 04:03:21 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hugo Villeneuve X-Patchwork-Id: 98764 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:994d:0:b0:3d9:f83d:47d9 with SMTP id k13csp97469vqr; Wed, 24 May 2023 21:07:12 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ45+D6j7ryiRCKLx8oSq3Kx1vA/YOXkIyKRj2O2Gsdil+XJCEECTYzxuH5dBn64whnMsgJr X-Received: by 2002:a05:6a00:2d1a:b0:64f:3fc8:5d16 with SMTP id fa26-20020a056a002d1a00b0064f3fc85d16mr6334764pfb.8.1684987632403; Wed, 24 May 2023 21:07:12 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1684987632; cv=none; d=google.com; s=arc-20160816; b=wefEqu8dizdX5bJAkUorebSqQ9kZ1KXrf/rgWabOKDz6KmG6hGkccO+2SzSLDMrJK9 GmMf3jTmPhq/7GpdhUBtCwGBIQrMSX7YnpElM3ZtwX/+RRyg/0CYzNWzpceG0qsoIHni tuwfYEUGUd/FFYTeWPARZA/xnZKnxjmCmFRB+udreQQQMCW4oCUQvHTxXBqROdSn63fJ /THwbjJiNtnEO+91v3FV1PnO4bYs/sB+KFbMELDasKG2kuZp3lkmQBl66ohmuFmhJnE4 2LTrI5xK7HVBSNmJHdxITZsrxW0xJo4tjwcO1UbRSZH0W8cp6NXzNqUpLPGQL9BzB/tE cUSA== 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=Rs2Mhd71JAcJq49FRqjICikz5CHJ00MgArsR2uJfUx4=; b=Qky0yIQ6MzBKZS81ziZg0tX9D0syL+7ZaArZpz8aZ040KLJJOtAldF7048xC6wcfO1 //xYSIxW0VWtt77egUG7Q1JzF/DLmvJhPe+gTS2ZqCcKAgj8zwDQI2M6D8pSlFYCvp31 hp/ZHkj9qIy48bCNoWNu+Wa2mlgRIzrJobBXrUhPOQluDFlkTTDHQBJYvwBRR+VgZ42c ilKkg9iSOOihXnBOwBhsQw2/rakBXEK/nyBVQjxOzId69gQxlYGVZivFhHrMXzoK3pRY mJtpeL7akrS8eUh2bfd4ZGB162nhP9WWThoutJgnZaXW7QxLoKFCbHJ7qbbBao8tqtbn lqcg== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@hugovil.com header.s=x header.b=XelzIbRF; 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 f20-20020a63f114000000b0053ef469282bsi142949pgi.645.2023.05.24.21.06.58; Wed, 24 May 2023 21:07:12 -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=XelzIbRF; 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 S237531AbjEYEGa (ORCPT + 99 others); Thu, 25 May 2023 00:06:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39774 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238128AbjEYEEj (ORCPT ); Thu, 25 May 2023 00:04:39 -0400 Received: from mail.hugovil.com (mail.hugovil.com [162.243.120.170]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9ED1A1B9; Wed, 24 May 2023 21:04:35 -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=Rs2Mhd71JAcJq49FRqjICikz5CHJ00MgArsR2uJfUx4=; b=XelzIbRF3Xmw1UUzlUYpi6J0Wk Y4kLx4z02h5HTl6DMkCfMOLHLRJ/ciXr41mlcREvmetoDpvUGCaecOIjuw/JGvz+utekjakOXvs5F PY77DSZ39oA6Ypunb90jK64JjWarUgiLHntmizzRIpUS3TV9pfhZ2a2D0SGYDym1MltY=; Received: from modemcable168.174-80-70.mc.videotron.ca ([70.80.174.168]:52970 helo=pettiford.lan) by mail.hugovil.com with esmtpa (Exim 4.92) (envelope-from ) id 1q22DF-0001dB-OC; Thu, 25 May 2023 00:04:30 -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, tomasz.mon@camlingroup.com, l.perczak@camlintechnologies.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 Date: Thu, 25 May 2023 00:03:21 -0400 Message-Id: <20230525040324.3773741-8-hugo@hugovil.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230525040324.3773741-1-hugo@hugovil.com> References: <20230525040324.3773741-1-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,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 Subject: [PATCH v3 07/11] 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?1766837591664462404?= X-GMAIL-MSGID: =?utf-8?q?1766837591664462404?= 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. Signed-off-by: Hugo Villeneuve --- .../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..74dfbbf7b2cb 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@54 { + compatible = "nxp,sc16is752"; + reg = <0x54>; + 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@0 { + compatible = "nxp,sc16is752"; + reg = <0>; + 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@0 { + compatible = "nxp,sc16is752"; + reg = <0>; + 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 */ + };