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[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 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190418_054802_610472_9AB48750 X-CRM114-Status: UNSURE ( 9.98 ) X-CRM114-Notice: Please train this message. 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 MIME-Version: 1.0 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 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(-) -- 2.17.1 _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic