From patchwork Tue Jun 29 10:22:54 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Niedermaier X-Patchwork-Id: 12349605 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=-17.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,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 4DAB0C11F66 for ; Tue, 29 Jun 2021 10:26:15 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 111CA61CF9 for ; Tue, 29 Jun 2021 10:26:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 111CA61CF9 Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=dh-electronics.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:CC :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=SogJ8PHffX+da/nXdNbbcWUejHM5LkqlmbCpvyGFtm4=; b=u+yRbd2kyEJuIN D1VA2W82LkPfZmTxDnV4fLBsVYST1HWQCtq3oTbMet0E6heUN/HL0L153aaj2tOjt0ztcX/gI+wUg EXhB8IDJS1HAelH2W9kDnQ2V/HsbiReaJg3YJmktk6c+XhHvlmDM7eZpQr2G3x3lJ+h30RtjsbVMx HX27EzydB99ilrzFK4nDXlBzcR3Cbs6aO05yp7X9Omp0mcTLiSwDpk7wxqjKsEhO2OfL/l9xQzEaV 1G2wu9pMsvZ4lphlmSjdST4tDYE/mHhhpxu0SB/jglbV5T1+75DQOzOnP1sUD/bapAgF76NYUTlRX kBup0sDYg/XUuRoP8MDw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lyAug-00AUBj-9T; Tue, 29 Jun 2021 10:24:18 +0000 Received: from mx3.securetransport.de ([116.203.31.6]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lyAuc-00AUB0-03 for linux-arm-kernel@lists.infradead.org; Tue, 29 Jun 2021 10:24:15 +0000 Received: from mail.dh-electronics.com (business-24-134-97-169.pool2.vodafone-ip.de [24.134.97.169]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx3.securetransport.de (Postfix) with ESMTPSA id 7F0A95DDF4; Tue, 29 Jun 2021 12:23:51 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dh-electronics.com; s=dhelectronicscom; t=1624962231; bh=n/K44Q3+yup+OzsqtXMibKENzx9u5fbtqooAqyg7y6o=; h=From:To:CC:Subject:Date:From; b=iYwgdsaYoyb/KMo8YlUFcKuNfPBWTXUHbD0dBZp3mtUuMohHPvtHMgD8IVM7BgXqD lprAhNxytP9RmLgFKtAOCS2tU1TRsiL+u8TJqj2lbYVwPH03lN/XwCokdoPUZ1OXJ+ yI6JKdsWzAG1DxZofyD3+eoVv5zx6qTjYsu8dISxtuxnC2vM8yABTxmZ3OpdFxGJ+C p4lXKLjWiIV/M63z7b9UM/aVEjcSloBbdw3AKDvitBF1CPetd10iz5RhVQXzJepRDf AoBEksXgLBA3LBUBdlEMv4nEsnA805uKfaad6C/wYky75IxJS0k7wuo4viMDtvBl6x w+hYc/MgAJmRQ== Received: from DHPWEX01.DH-ELECTRONICS.ORG (2001:470:76a7:2::30) by DHPWEX01.DH-ELECTRONICS.ORG (2001:470:76a7:2::30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.858.12; Tue, 29 Jun 2021 12:23:44 +0200 Received: from Stretch-CN.dh-electronics.org (10.64.6.116) by DHPWEX01.DH-ELECTRONICS.ORG (10.64.2.30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.858.12 via Frontend Transport; Tue, 29 Jun 2021 12:23:44 +0200 From: Christoph Niedermaier To: CC: Christoph Niedermaier , Shawn Guo , Fabio Estevam , Marek Vasut , NXP Linux Team , Subject: [PATCH V3 01/15] ARM: dts: imx6q-dhcom: Add the parallel system bus Date: Tue, 29 Jun 2021 12:22:54 +0200 Message-ID: <20210629102308.21433-1-cniedermaier@dh-electronics.com> X-Mailer: git-send-email 2.11.0 X-klartext: yes MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210629_032414_358756_DE4AAEFB X-CRM114-Status: GOOD ( 14.51 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add the parallel system bus provided by the i.MX6 WEIM interface via an address latch. The OE pin of the latch is controlled by a fixed regulator. The pin is low active. This is ensured by omitting the regulators property enable-active-high. The flags value of the gpio property (3rd value), which is also use to define active high/low, is set to 0 because it is ignored by gpiolib-of.c. Signed-off-by: Christoph Niedermaier Reviewed-by: Marek Vasut Cc: Shawn Guo Cc: Fabio Estevam Cc: Marek Vasut Cc: NXP Linux Team Cc: kernel@dh-electronics.com To: linux-arm-kernel@lists.infradead.org --- V2: - Rework of the commit message - Add a comment to the regulator - Replace GPIO_ACTIVE_HIGH with 0 at the gpio property of the regulator - Remove spaces from the ranges property of the weim node - Rebase on Shawn Guos branch for-next V3: - Add Reviewed-by tag --- arch/arm/boot/dts/imx6q-dhcom-som.dtsi | 57 ++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) diff --git a/arch/arm/boot/dts/imx6q-dhcom-som.dtsi b/arch/arm/boot/dts/imx6q-dhcom-som.dtsi index 4bf51f3ce003..921a695b79fb 100644 --- a/arch/arm/boot/dts/imx6q-dhcom-som.dtsi +++ b/arch/arm/boot/dts/imx6q-dhcom-som.dtsi @@ -46,6 +46,14 @@ vin-supply = <&sw2_reg>; }; + /* OE pin of the latch is low active */ + reg_latch_oe_on: regulator-latch-oe-on { + compatible = "regulator-fixed"; + gpio = <&gpio3 22 0>; + regulator-always-on; + regulator-name = "latch_oe_on"; + }; + reg_usb_otg_vbus: regulator-usb-otg-vbus { compatible = "regulator-fixed"; regulator-name = "usb_otg_vbus"; @@ -455,6 +463,43 @@ MX6QDL_PAD_SD4_DAT7__SD4_DATA7 0x17059 >; }; + + pinctrl_weim: weim-grp { + fsl,pins = < + MX6QDL_PAD_EIM_OE__EIM_OE_B 0xb0a6 + MX6QDL_PAD_EIM_RW__EIM_RW 0xb0a6 /* WE */ + MX6QDL_PAD_EIM_LBA__EIM_LBA_B 0xb060 /* LE */ + MX6QDL_PAD_EIM_D22__GPIO3_IO22 0x130b0 + MX6QDL_PAD_EIM_DA15__EIM_AD15 0xb0a6 + MX6QDL_PAD_EIM_DA14__EIM_AD14 0xb0a6 + MX6QDL_PAD_EIM_DA13__EIM_AD13 0xb0a6 + MX6QDL_PAD_EIM_DA12__EIM_AD12 0xb0a6 + MX6QDL_PAD_EIM_DA11__EIM_AD11 0xb0a6 + MX6QDL_PAD_EIM_DA10__EIM_AD10 0xb0a6 + MX6QDL_PAD_EIM_DA9__EIM_AD09 0xb0a6 + MX6QDL_PAD_EIM_DA8__EIM_AD08 0xb0a6 + MX6QDL_PAD_EIM_DA7__EIM_AD07 0xb0a6 + MX6QDL_PAD_EIM_DA6__EIM_AD06 0xb0a6 + MX6QDL_PAD_EIM_DA5__EIM_AD05 0xb0a6 + MX6QDL_PAD_EIM_DA4__EIM_AD04 0xb0a6 + MX6QDL_PAD_EIM_DA3__EIM_AD03 0xb0a6 + MX6QDL_PAD_EIM_DA2__EIM_AD02 0xb0a6 + MX6QDL_PAD_EIM_DA1__EIM_AD01 0xb0a6 + MX6QDL_PAD_EIM_DA0__EIM_AD00 0xb0a6 + >; + }; + + pinctrl_weim_cs0: weim-cs0-grp { + fsl,pins = < + MX6QDL_PAD_EIM_CS0__EIM_CS0_B 0xb0b1 + >; + }; + + pinctrl_weim_cs1: weim-cs1-grp { + fsl,pins = < + MX6QDL_PAD_EIM_CS1__EIM_CS1_B 0xb0b1 + >; + }; }; ®_arm { @@ -544,3 +589,15 @@ keep-power-in-suspend; status = "okay"; }; + +&weim { + #address-cells = <2>; + #size-cells = <1>; + fsl,weim-cs-gpr = <&gpr>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_weim &pinctrl_weim_cs0 &pinctrl_weim_cs1>; + /* It is necessary to setup 2x 64MB otherwise setting gpr fails */ + ranges = <0 0 0x08000000 0x04000000>, /* CS0 */ + <1 0 0x0c000000 0x04000000>; /* CS1 */ + status = "disabled"; +};