From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Griffin Subject: [PATCH v5 1/6] ARM: DT: STi: stihxxx-b2120: Add pulse-width properties to ssc2 & ssc3 Date: Thu, 3 Sep 2015 18:59:49 +0100 Message-ID: <1441303194-28211-2-git-send-email-peter.griffin@linaro.org> References: <1441303194-28211-1-git-send-email-peter.griffin@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1441303194-28211-1-git-send-email-peter.griffin@linaro.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, srinivas.kandagatla@gmail.com, maxime.coquelin@st.com, patrice.chotard@st.com, mchehab@osg.samsung.com Cc: peter.griffin@linaro.org, devicetree@vger.kernel.org, lee.jones@linaro.org, hugues.fruchet@st.com, linux-media@vger.kernel.org List-Id: devicetree@vger.kernel.org Adding these properties makes the I2C bus to the demodulators much more reliable, and we no longer suffer from I2C errors when tuning. Signed-off-by: Peter Griffin Acked-by: Lee Jones --- arch/arm/boot/dts/stihxxx-b2120.dtsi | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/stihxxx-b2120.dtsi b/arch/arm/boot/dts/stihxxx-b2120.dtsi index f589fe4..62994ae 100644 --- a/arch/arm/boot/dts/stihxxx-b2120.dtsi +++ b/arch/arm/boot/dts/stihxxx-b2120.dtsi @@ -27,12 +27,18 @@ }; }; - i2c@9842000 { + ssc2: i2c@9842000 { status = "okay"; + clock-frequency = <100000>; + st,i2c-min-scl-pulse-width-us = <0>; + st,i2c-min-sda-pulse-width-us = <5>; }; - i2c@9843000 { + ssc3: i2c@9843000 { status = "okay"; + clock-frequency = <100000>; + st,i2c-min-scl-pulse-width-us = <0>; + st,i2c-min-sda-pulse-width-us = <5>; }; i2c@9844000 { -- 1.9.1