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[90.63.244.31]) by smtp.gmail.com with ESMTPSA id d4sm12281121wrf.7.2019.05.10.01.52.07 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Fri, 10 May 2019 01:52:08 -0700 (PDT) Message-ID: <331673da2c1cad1c72d61b45e0c614961445ec90.camel@baylibre.com> Subject: Re: [PATCH v5 0/6] Add drive-strength in Meson pinctrl driver From: Jerome Brunet To: Guillaume La Roque , linus.walleij@linaro.org, khilman@baylibre.com Date: Fri, 10 May 2019 10:52:07 +0200 In-Reply-To: <20190510082324.21181-1-glaroque@baylibre.com> References: <20190510082324.21181-1-glaroque@baylibre.com> User-Agent: Evolution 3.30.5 (3.30.5-1.fc29) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190510_015211_352203_262C257C X-CRM114-Status: GOOD ( 18.27 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-gpio@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org On Fri, 2019-05-10 at 10:23 +0200, 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-microamp". The change to do so > would be minimal and could be benefit to other platforms later on. > > Cheers > Guillaume Guillaume, Several tags, such as Acked-by, Reviewed-by or Tested-by have been given on this series. Please remember to collect and add them to the commit description when posting newer revision of a series If you didn't already, please have a look at Documentation/process/submitting-patches.rst Thanks > > Changes since v4: > - fix dt-binding documentation > - rename drive-strength-uA to drive-strength-microamp in coverletter > > Changes since v3: > - remove dev_err in meson_get_drive_strength > - cleanup code > > Changes since v2: > - rename driver-strength-uA property to drive-strength-microamp > - rework patch series for better understanding > - rework set_bias function > > 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 (6): > dt-bindings: pinctrl: add a 'drive-strength-microamp' property > pinctrl: generic: add new 'drive-strength-microamp' property support > dt-bindings: pinctrl: meson: Add drive-strength-microamp property > pinctrl: meson: Rework enable/disable bias part > pinctrl: meson: add support of drive-strength-microamp > pinctrl: meson: g12a: add DS bank value > > .../bindings/pinctrl/meson,pinctrl.txt | 4 + > .../bindings/pinctrl/pinctrl-bindings.txt | 3 + > drivers/pinctrl/meson/pinctrl-meson-g12a.c | 36 ++-- > drivers/pinctrl/meson/pinctrl-meson.c | 180 ++++++++++++++---- > drivers/pinctrl/meson/pinctrl-meson.h | 18 +- > drivers/pinctrl/pinconf-generic.c | 2 + > include/linux/pinctrl/pinconf-generic.h | 3 + > 7 files changed, 193 insertions(+), 53 deletions(-) _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic