From mboxrd@z Thu Jan 1 00:00:00 1970 From: Linus Walleij Subject: Re: [PATCH v2 0/4] Add drive-strength in Meson pinctrl driver Date: Tue, 23 Apr 2019 13:13:00 +0200 Message-ID: References: <20190418124758.24022-1-glaroque@baylibre.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Return-path: In-Reply-To: <20190418124758.24022-1-glaroque@baylibre.com> Sender: linux-kernel-owner@vger.kernel.org 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" List-Id: linux-gpio@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