From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 03D82C43387 for ; Mon, 17 Dec 2018 15:48:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C26BF2133F for ; Mon, 17 Dec 2018 15:48:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="H7NGXjiP" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387809AbeLQPsK (ORCPT ); Mon, 17 Dec 2018 10:48:10 -0500 Received: from mail-it1-f194.google.com ([209.85.166.194]:36446 "EHLO mail-it1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387785AbeLQPsH (ORCPT ); Mon, 17 Dec 2018 10:48:07 -0500 Received: by mail-it1-f194.google.com with SMTP id c9so20622995itj.1; Mon, 17 Dec 2018 07:48:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=TrIXZ/21JXhBKAnyXh04Tha2y/BgJRmdZetivqpxDd8=; b=H7NGXjiP7LiYBRDwdLFjU3UrOI9hrgpNL/zIOe9nJeMYdH97UNuDfnyGEt75Bu/PAj adr9TLha3EWBFmXEH9+N7P9jSGrVWwFAmtaTq+5NehqBisAyiGQaPQWQV1mvQ4TcvuQW +R3lxVpTzAd6jF40kPHx4CMgxI05lFNkGOovdUlpOXpLCSmBPAuf1pcRa7CcO0JDZ1go 1x1E6GuyCacR1mrlGykrk3SiZaXxpra/BXZMZydwqIDEnPPrdUrM/c8TnmeR+LgFAzoj 485RltklpQhWZWDqLrXZtZmJub3QwSQI2v3CEXlxk/7iZwEGfeljwrDSZdWpsRaKnxJJ QTRg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=TrIXZ/21JXhBKAnyXh04Tha2y/BgJRmdZetivqpxDd8=; b=QAotUYHXrJ7li2aLdsNDFzJme3dZsg6iKCLS1DcvJheM11vF29ujHibO35QDg+NFL2 wA4l5qXj7ZX/bMspuUPNfe7bBCWCo9J/E0tB8QgPq6DdgFiOcFltCauJFbmrjC7UDnep KqNcbWmPfkOxoPSd3z6Wv7ejN7gh1DDuaVgZIMTdEKdMsRbhlcTCJMuksmwt7Um22NMr FIg8yTBmH5aKTBLJenzl1rjs4EA1PiRMBZnjHCusVCiLHMg7JbnMUZv9g9XgnasSKN+g eR8Tw4b6MNwuV42ys0Q2bq3dfrErsg57aVwLU5wJ6v7LmPJpPLPDC3jYdu7ztDJqqw6d WdWw== X-Gm-Message-State: AA+aEWYNabAj4s8G8uxzK07y2/huXHF3zpRniZPNAjKw8mXdvK9+9Tb6 8ROHbK000BeQ2NjAXoKHLsI= X-Google-Smtp-Source: AFSGD/VZx2+m6p4ZZfPl8FW95WfTy+Q3iDSNa+Gd2MNWpGQUMAS2XwzxSvP88Wd9y034cH6UuAwg9Q== X-Received: by 2002:a24:5d5:: with SMTP id 204mr12989432itl.122.1545061685939; Mon, 17 Dec 2018 07:48:05 -0800 (PST) Received: from svens-asus.arcx.com ([184.94.50.30]) by smtp.gmail.com with ESMTPSA id y23sm18824174ita.1.2018.12.17.07.48.05 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 17 Dec 2018 07:48:05 -0800 (PST) From: Sven Van Asbroeck X-Google-Original-From: Sven Van Asbroeck To: TheSven73@googlemail.com, Shawn Guo , Kees Cook , Arnd Bergmann Cc: linux-kernel@vger.kernel.org, Rob Herring , devicetree@vger.kernel.org Subject: [PATCH v4 1/3] dt-bindings: bus: imx-weim: document multiple address ranges per child node Date: Mon, 17 Dec 2018 10:47:58 -0500 Message-Id: <20181217154800.7448-2-TheSven73@googlemail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20181217154800.7448-1-TheSven73@googlemail.com> References: <20181217154800.7448-1-TheSven73@googlemail.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The imx-weim driver was patched to allow correct WEIM configuration when multiple address ranges are used in a child node. Update the dt-bindings to reflect this. Reviewed-by: Rob Herring Signed-off-by: Sven Van Asbroeck --- .../devicetree/bindings/bus/imx-weim.txt | 32 +++++++++++++++++-- 1 file changed, 29 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/bus/imx-weim.txt b/Documentation/devicetree/bindings/bus/imx-weim.txt index 683eaf3aed79..dda7d6d66479 100644 --- a/Documentation/devicetree/bindings/bus/imx-weim.txt +++ b/Documentation/devicetree/bindings/bus/imx-weim.txt @@ -47,9 +47,9 @@ Optional properties: Timing property for child nodes. It is mandatory, not optional. - fsl,weim-cs-timing: The timing array, contains timing values for the - child node. We can get the CS index from the child - node's "reg" property. The number of registers depends - on the selected chip. + child node. We get the CS indexes from the address + ranges in the child node's "reg" property. + The number of registers depends on the selected chip: For i.MX1, i.MX21 ("fsl,imx1-weim") there are two registers: CSxU, CSxL. For i.MX25, i.MX27, i.MX31 and i.MX35 ("fsl,imx27-weim") @@ -80,3 +80,29 @@ Example for an imx6q-sabreauto board, the NOR flash connected to the WEIM: 0x0000c000 0x1404a38e 0x00000000>; }; }; + +Example for an imx6q-based board, a multi-chipselect device connected to WEIM: + +In this case, both chip select 0 and 1 will be configured with the same timing +array values. + + weim: weim@21b8000 { + compatible = "fsl,imx6q-weim"; + reg = <0x021b8000 0x4000>; + clocks = <&clks 196>; + #address-cells = <2>; + #size-cells = <1>; + ranges = <0 0 0x08000000 0x02000000 + 1 0 0x0a000000 0x02000000 + 2 0 0x0c000000 0x02000000 + 3 0 0x0e000000 0x02000000>; + fsl,weim-cs-gpr = <&gpr>; + + acme@0 { + compatible = "acme,whatever"; + reg = <0 0 0x100>, <0 0x400000 0x800>, + <1 0x400000 0x800>; + fsl,weim-cs-timing = <0x024400b1 0x00001010 0x20081100 + 0x00000000 0xa0000240 0x00000000>; + }; + }; -- 2.17.1