From patchwork Tue Jun 22 09:59:34 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Niedermaier X-Patchwork-Id: 12336733 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=-17.0 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,URIBL_BLOCKED, 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 37E7EC48BE5 for ; Tue, 22 Jun 2021 10:04:00 +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 0A486613B1 for ; Tue, 22 Jun 2021 10:04:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0A486613B1 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=CYeprqDi+g6JTCZ0pLj28WiQNBi744EvgE7xB3526I4=; b=HIn3nLCRklmf4C 1DOWuI6XbnAaV6UX7HzN9fjE+iNk4IrVyc96Ym739mpT3S0eEc6uOnitBfGymZikvAfO8viUMBVlf um7M7ApqB/n8V0bgsjzZrxwq1AN3KzH/oyp3Mq1Ly9wLoJFdfMlDJ01UfEDSY/sFP7cobFoWf3JUk MSBjG6WqwJJq28j1v2yIEgI6Y3OTFiY89ejTLkglgZjJsvsjD6i0O0TjCPoLI5xHCPM8oKJBbxQ/r K/zvkD6hpGiO+3jLSG00/O7xszPxVR/pd31UrHbYglNWPxyIyE7ZMow5JziO0JRVPr2AkOW3Ru3QJ t2nI5fEtWD+nICKjhp5g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lvdER-006YRD-74; Tue, 22 Jun 2021 10:02:11 +0000 Received: from mx4.securetransport.de ([178.254.6.145]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lvdEN-006YQU-2E for linux-arm-kernel@lists.infradead.org; Tue, 22 Jun 2021 10:02:08 +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 mx4.securetransport.de (Postfix) with ESMTPSA id E1A5E72048A; Tue, 22 Jun 2021 12:01:37 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dh-electronics.com; s=dhelectronicscom; t=1624356098; bh=gEt0la1laf/7lbWHkRF/uLHdAwVfNIk0hfObSt9IV3Y=; h=From:To:CC:Subject:Date:From; b=A6LOt7U8NMN3slmC6+GV/fsFv+UohA1PcUY8WDyBTUXMbt4VJeR7Q/JlQqNgPthMm xwOTf+2T0Qxrid61+UiWhCC0AS91rP3iwvYur4kmVvyXngg4cLCcYoz45Y8lc7W27n qXku42ofIDB0rhngOZo0bFD/nZW1T+L0f5VfBTELhz+c1nr1VFTaBHTUA2ogcrIXKQ YhZsatVSLD4HcmxZYqQrOzu2ZtV56kEfYLU3so4TbnzT4NPaVWG1jEaOSAtXTNSgf4 55M7M2cDTk5LMP9u7lAFrp/xs+E4QwJ8bn9Kq2WsDDu+MJvdZrJqB1y/OB+imRG7eK ikhKC3P0jZQdQ== 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, 22 Jun 2021 12:01:35 +0200 Received: from localhost.localdomain (172.16.51.17) 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, 22 Jun 2021 12:01:35 +0200 From: Christoph Niedermaier To: CC: Christoph Niedermaier , Shawn Guo , Fabio Estevam , Marek Vasut , NXP Linux Team , Subject: [PATCH V2 01/15] ARM: dts: imx6q-dhcom: Add the parallel system bus Date: Tue, 22 Jun 2021 11:59:34 +0200 Message-ID: <20210622095948.99047-1-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-20210622_030207_345408_49DF21CE X-CRM114-Status: GOOD ( 14.65 ) 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 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 Reviewed-by: Marek Vasut --- 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 --- 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"; +};