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=-1.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS 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 9D47BC10F14 for ; Tue, 23 Apr 2019 11:13:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6A89520811 for ; Tue, 23 Apr 2019 11:13:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="Z6XS5541" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727607AbfDWLNO (ORCPT ); Tue, 23 Apr 2019 07:13:14 -0400 Received: from mail-lf1-f65.google.com ([209.85.167.65]:44608 "EHLO mail-lf1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726033AbfDWLNN (ORCPT ); Tue, 23 Apr 2019 07:13:13 -0400 Received: by mail-lf1-f65.google.com with SMTP id h18so11387652lfj.11 for ; Tue, 23 Apr 2019 04:13:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=DhOw7o912vfFOZ34iqlw9fd1E2tVhBfbGcfDDGhgt6Y=; b=Z6XS5541Tv0znlysRgrRT1nBIi1DhNaLap8IJeLA8RZZG42/JfXgtmuoZkt4uFP2a2 x60vh5iHP4jx5DCL89pu+EwxzqCQaIL5Dw42qpqwqAHIyhkUtHXhtDxgoTWw9idB+LYK AigXa5nQn/WsNqhgZQ66efBClnD/Jufxe/JG4mpDzven1/TW23KFkdvQkZko+CtRYQuw lyoT0NsNkEXntLBRSudFGB5y2OBWwWmfKcD0WtdmjA7194TDeT++4DY7Ck2VFZYiKqdX w2LEZNw1LMD1iTE7xzpqqNjp5+cFedmS1rg8KN9zbyTxT3Xeaxvb/eJ5IAhTzJyXgBQE G5Yg== 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=DhOw7o912vfFOZ34iqlw9fd1E2tVhBfbGcfDDGhgt6Y=; b=QMxc7tRWWM1Zi4AbVZR/7DEPokfj5NSNi0UEeGJhzdRTuKLCQo9QibsSB/dg4wLHjx H1+4gZf7JOEJyUYC8u1ynilycs7O2FTe05wXYZz5cHM7tSTC03gmPZEBQT2CKOsSDnXP SndkF3v4F+k1SW+YKffZegdIm056qHvwC7MowM+ga0b/BSYnY/mvs6vi14JfAn+fyJPh HyX+7OQggHm9jCthf9QD0pVoTOcWsnDgqTmhyers22dNKzlaTIlNKEertL3ReFgO10jp 84HcXXtteTo7ZoYzMBU6uum0Zy46IIB03M9WJ+/aXv1AMbz3TX1LUeLCeLhf7ZVnIegJ XoEA== X-Gm-Message-State: APjAAAXNZe6EnHlYZsU7sTujpyiLFw5g6gkfCttoaLEq+/BfwZcGcdWM PgcVMIDsw96uuwEAUQwU85irRMvF4kj2fk36QABEUQ== X-Google-Smtp-Source: APXvYqxcNGH4YVFTHh94wJmO6/uuV+Nbfmb4zbwn0bKzlyByVglhZ9OT01AvGqQMOb1HXwjqTsJojhplmatbgiE3eHs= X-Received: by 2002:ac2:4647:: with SMTP id s7mr13196956lfo.168.1556017991868; Tue, 23 Apr 2019 04:13:11 -0700 (PDT) MIME-Version: 1.0 References: <20190418124758.24022-1-glaroque@baylibre.com> In-Reply-To: <20190418124758.24022-1-glaroque@baylibre.com> From: Linus Walleij Date: Tue, 23 Apr 2019 13:13:00 +0200 Message-ID: Subject: Re: [PATCH v2 0/4] Add drive-strength in Meson pinctrl driver To: Guillaume La Roque , Martin Blumenstingl Cc: Rob Herring , Mark Rutland , Kevin Hilman , "open list:GPIO SUBSYSTEM" , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , "open list:ARM/Amlogic Meson..." , "linux-kernel@vger.kernel.org" Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Apr 18, 2019 at 2:48 PM Guillaume La Roque wrote: > The purpose of this patchset is to add drive-strength support in meson pinconf > driver. This is a new feature that was added on the g12a. It is critical for us > to support this since many functions are failing with default pad drive-strength. > > The value achievable by the SoC are 0.5mA, 2.5mA, 3mA and 4mA and the DT property > 'drive-strength' is expressed in mA. > So this patch add another generic property "drive-strength-uA". The change to do so > would be minimal and could be benefit to other platforms later on. > > Cheers > Guillaume This needs to be reviewed by Martin Blumenstigl, Martin can you have a look at this patch set? If you don't have the patches I think Guillaume can resend them. Yours, Linus Walleij