From patchwork Tue Jul 25 14:23:37 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hugo Villeneuve X-Patchwork-Id: 125678 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:9010:0:b0:3e4:2afc:c1 with SMTP id l16csp2522762vqg; Tue, 25 Jul 2023 07:48:52 -0700 (PDT) X-Google-Smtp-Source: APBJJlFiub67RZlouC0DF7YIj7G2xcSABZOrJAlFG9eXvtifkcdVX/E1USArHgacsjg2J5UiTnf3 X-Received: by 2002:a17:90b:374a:b0:267:a6c5:e60a with SMTP id ne10-20020a17090b374a00b00267a6c5e60amr8331625pjb.0.1690296532048; Tue, 25 Jul 2023 07:48:52 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1690296532; cv=none; d=google.com; s=arc-20160816; b=y4Qbxnt1tjefrkDQoM0J9VS/BO0tf40QIrgps0cggtXVOW2tNR0sa/gipmU5rpkdM0 MNq6MJTuz3T7F7rpxtgX0u9tlPBAWRhvkMOSjz5OHq9zx9agzBcn1rh0/yHgegbCouFi HW54MQFy2kPTHjck+OxvjrDEopAZTHspukDySo7oinreFM/eokEs10chXGjg4rIhB4oB MtIFDxGGAzZi05d7eZqOekmR6OdLHQ41jnqqO4P1SD2+EspuRopoGGOTX+32W0aXegTw Z1cARV9Mq1XRb3QX1R3cKJ1sX4CeH5zkC3nISvqXdcDBgp1m3xcVL23zX3rXGwCjD6Ra LR+w== 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=; fh=88bALE9d0bOqGcbfrD4VTi+tiKURCEdOO8Uqldj+I/4=; b=m4m22Zgmc+aMeIjvSiZdCgu9/z14uXJNyST/Wi6+wdhUwbTQ3SHU/a48QB5V/s0SAY 6bDmjfGj9c3xO7TMsOTOuW+3cBdNK0EXe9vhRnOVC+TJHqvqVXrWLfqYp/N1ymm6q2pK +63LtNqR+jmnwqc5TgKlIIovyQajzRnmHQ6iufbDZFwTP3Qi0sQVBcwZNYWDNrcWRWVl 72xr/txgk9/k2k4mcvxGTsp631zUiUWISszSCISEzkXrLkIf69uOpJOLEelNJVmWNfb7 5cv0yI1xSdtbCKH/32Azfw1gazBozB9iAFTXTG0rzFWODBaQXbtlJa8Qci5SUuJToTvz UdsQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@hugovil.com header.s=x header.b=wFVtBv+h; 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 qe4-20020a17090b4f8400b00263ad259d9esi12752201pjb.0.2023.07.25.07.48.38; Tue, 25 Jul 2023 07:48:52 -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=wFVtBv+h; 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 S233129AbjGYOYl (ORCPT + 99 others); Tue, 25 Jul 2023 10:24:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36748 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232434AbjGYOYN (ORCPT ); Tue, 25 Jul 2023 10:24:13 -0400 Received: from mail.hugovil.com (mail.hugovil.com [162.243.120.170]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1262E26A2; Tue, 25 Jul 2023 07:24:05 -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=wFVtBv+hn8BNR5Xvw1O0BcIusj BmUhUEALl0odI4YnMG8edK+EvS3gWS9QB2bH4Scz7jCtEdoKX0P0Wb0i11f1+LYKCYkQTk56JDiOj SDsHInDR3d2AGH9P/6YnvRZGaFonQkKLhj19YG+7ejrXx92jCagIWWpfCLmWRd0fPXX4=; Received: from modemcable061.19-161-184.mc.videotron.ca ([184.161.19.61]:34256 helo=localhost.localdomain) by mail.hugovil.com with esmtpa (Exim 4.92) (envelope-from ) id 1qOIxB-0003Kt-TO; Tue, 25 Jul 2023 10:23:58 -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, isaac.true@canonical.com, jesse.sung@canonical.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: Tue, 25 Jul 2023 10:23:37 -0400 Message-Id: <20230725142343.1724130-6-hugo@hugovil.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230725142343.1724130-1-hugo@hugovil.com> References: <20230725142343.1724130-1-hugo@hugovil.com> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 184.161.19.61 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 v9 05/10] 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: INBOX X-GMAIL-THRID: 1772404376587706576 X-GMAIL-MSGID: 1772404376587706576 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 */ + };