From patchwork Thu Apr 18 12:47:54 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guillaume LA ROQUE X-Patchwork-Id: 1087575 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=baylibre-com.20150623.gappssmtp.com header.i=@baylibre-com.20150623.gappssmtp.com header.b="Kwi7D6/7"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 44lJn93w9Sz9s4V for ; Thu, 18 Apr 2019 22:48:29 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388196AbfDRMsC (ORCPT ); Thu, 18 Apr 2019 08:48:02 -0400 Received: from mail-wr1-f65.google.com ([209.85.221.65]:45468 "EHLO mail-wr1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733192AbfDRMsC (ORCPT ); Thu, 18 Apr 2019 08:48:02 -0400 Received: by mail-wr1-f65.google.com with SMTP id s15so2793642wra.12 for ; Thu, 18 Apr 2019 05:48:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id; bh=zCoFO+U6J6V4upBBcgRbShJ9mBRp671ZMCkEN4roMmc=; b=Kwi7D6/7UCuK21K17QZqCdwlWSBCXkwz6XCwmCXGiRakEUBWbpffLd5GIPa8TOTnZe HJPjRXeizM+cNiyc9YSx3MH5G+uDrNhLsl1yyn782+uLQuPBx9YDYXmpkqrxT0b5/H+A qOhI08DFFa9e0FKEyG4jcGCXR/QGfHbhzyiFUJmVB6slQFapECurO3ytG8xtP5Jrr1Gc awb672/ItMblTTvml5CpIIx/pzWbMv1gaaSHbku85/uHSC4etip6hPW55RfxgkDBxlZ7 edvkyz5woRH5rm4ybvQz8SPGT0LNFwJZr+viCZQBe8RFeKIggWClUhzssEmwRpCzzDu9 CgxQ== 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; bh=zCoFO+U6J6V4upBBcgRbShJ9mBRp671ZMCkEN4roMmc=; b=JWGsCNo2VquE7Uyhh5cGlmg3AZNBLRMTyKctqGfsw78+HNZ4TuY6lGCGeZByf3DbkJ btSUnzcMpq9G1DRMzs0RzyG+LmUFtg4au5dogDw+tZRw3Cnd2dY0eZA3ngGnjqbsL8zg egG8DnfAgkMDXLiU9qh3eNKCMDNbbGRA9VYcJBZEawm3eJsF5UhXzLp2WcQD4mwT5g16 /83NY55txCc4uGcUSq/5qoPInEO/YGKZ6nkSYCGSchgzWH71xwTQZXkORBvMXDUMcqgO GKWlq7uOEa4yaugrPd/67MGkeFuvo+zliMTpBX/sMVi6nNGMVMpl0jWvO7I2chdB83V1 XGbA== X-Gm-Message-State: APjAAAXc0mfWweYb2K7skg7WfdBpE9I1Cidw0Tr2rNxwZ/MKw6yVfnEQ 6dXx2jqEg4dF+ana4Z7M3hz+IA== X-Google-Smtp-Source: APXvYqyBP9KpAvFTbFL4x8mrUe5kZzQ7GbeQs9drJWsz2j2Ip14m6nem990Rc1mGTMLzIzntsc8QdQ== X-Received: by 2002:adf:e703:: with SMTP id c3mr7659644wrm.98.1555591680673; Thu, 18 Apr 2019 05:48:00 -0700 (PDT) Received: from glaroque-ThinkPad-T480.baylibre.local (lmontsouris-657-1-212-31.w90-63.abo.wanadoo.fr. [90.63.244.31]) by smtp.gmail.com with ESMTPSA id q17sm1256823wrw.70.2019.04.18.05.47.59 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 18 Apr 2019 05:47:59 -0700 (PDT) From: Guillaume La Roque To: linus.walleij@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com, khilman@baylibre.com Cc: linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 0/4] Add drive-strength in Meson pinctrl driver Date: Thu, 18 Apr 2019 14:47:54 +0200 Message-Id: <20190418124758.24022-1-glaroque@baylibre.com> X-Mailer: git-send-email 2.17.1 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org 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 Changes since v1: - fix missing break - implement new pinctrl generic property "drive-strength-uA" [1] https://lkml.kernel.org/r/20190314163725.7918-1-jbrunet@baylibre.com Guillaume La Roque (4): dt-bindings: pinctrl: add a 'drive-strength-uA' property pinctrl: generic: add new 'drive-strength-uA' property support dt-bindings: pinctrl: meson: Add drive-strength-uA property pinctrl: meson: add support of drive-strength-uA .../bindings/pinctrl/meson,pinctrl.txt | 3 + .../bindings/pinctrl/pinctrl-bindings.txt | 3 + drivers/pinctrl/meson/pinctrl-meson-g12a.c | 36 ++-- drivers/pinctrl/meson/pinctrl-meson.c | 166 ++++++++++++++---- drivers/pinctrl/meson/pinctrl-meson.h | 20 ++- drivers/pinctrl/pinconf-generic.c | 2 + include/linux/pinctrl/pinconf-generic.h | 3 + 7 files changed, 174 insertions(+), 59 deletions(-) Tested-by: Martin Blumenstingl