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=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 34B44C48BE5 for ; Fri, 11 Jun 2021 18:23:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 17B14613D3 for ; Fri, 11 Jun 2021 18:23:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231192AbhFKSZg (ORCPT ); Fri, 11 Jun 2021 14:25:36 -0400 Received: from mail-vs1-f49.google.com ([209.85.217.49]:40575 "EHLO mail-vs1-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230313AbhFKSZf (ORCPT ); Fri, 11 Jun 2021 14:25:35 -0400 Received: by mail-vs1-f49.google.com with SMTP id b1so4261172vsh.7; Fri, 11 Jun 2021 11:23:22 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=/QyKO2sWDPRuH+xh/7ic5xA0q4lXz7dWRKEZ89NMiBc=; b=s3vIxum2BL2xN+cTiHzvZzFCguayWxjbWpyFChiofj4QTNiStqXSMOx2y3ictR/qaX ay6QOxKU94H2ATS8hnkBBt8i8iK7sl+ObtgdiRZAF6ijEQEjkIH2F2c67Q59eAnh8FpH 1LdW3VOC9LTePnatXADlIFrgbzc3QkT/PtGyItbtFM0aeXJXIdo8tsmHb45Jk3zQIglU sep2aBwYfegT95kS5FsqZv+ba7XVVoli9MGEZbd2R6m7Dw/EJ5enzuZ7oAeEajF72cpb zkIX9VdTul6c1rZxkCXQKuS2JYaoBcHMmpBtTog9tSyfMKMSr017BHRXqmAClDC7IFuH 0ISw== X-Gm-Message-State: AOAM530a/pjdUhdJgG+gq58KuzN/AnhLPPpgLzGUlHyhawEkL2MTXNk5 PW+bhDDnw68yVOsZ344TceRhzQgNRHf4jtSh6dAUL/sr4UUWgw== X-Google-Smtp-Source: ABdhPJxKpLIukv3+hXCAEtgy5XgKF+PqMiSYY3kcEcOkNqeN7r/uF4Q0MaxqvPfExI0gyVzU4ZW2v8c/1jmbKuNVq2k= X-Received: by 2002:a05:6102:c4c:: with SMTP id y12mr11191098vss.18.1623435801977; Fri, 11 Jun 2021 11:23:21 -0700 (PDT) MIME-Version: 1.0 References: <9b1b2a44-348e-5453-d767-d5c69a0869a7@denx.de> In-Reply-To: <9b1b2a44-348e-5453-d767-d5c69a0869a7@denx.de> From: Geert Uytterhoeven Date: Fri, 11 Jun 2021 20:23:10 +0200 Message-ID: Subject: Re: [PATCH] dt-bindings: input: touchscreen: ilitek_ts_i2c: Absorb ili2xxx bindings To: Marek Vasut Cc: Dmitry Torokhov , Rob Herring , Joe Hung , linux-input , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Linux-Renesas Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org Hi Marek, On Fri, Jun 11, 2021 at 4:20 PM Marek Vasut wrote: > On 6/11/21 3:54 PM, Geert Uytterhoeven wrote: > > While Linux uses a different driver, the Ilitek > > ILI210x/ILI2117/ILI2120/ILI251x touchscreen controller Device Tree > > binding documentation is very similar. > > > > - Drop the fixed reg value, as some controllers use a different > > address, > > - Make reset-gpios optional, as it is not always wired. > > It looks like there are now two drivers for the same hardware, > drivers/input/touchscreen/ili210x.c > drivers/input/touchscreen/ilitek_ts_i2c.c > The ilitek_ts_i2c (newer) seems to be derived from the ilitek example > code / driver, while the ili210x was written from scratch as far as I > can tell. I'm not so sure they're for the same hardware, but you may know better? https://www.displayvisions.us/fileadmin/html-seiten/eng/pdf/zubehoer/ILITek_TP_Programming_Guide_V1.50.pdf lists only Ilitek parts handled by ilitek_ts_i2c.c. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds