From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lee Jones Subject: Re: [PATCH v2 1/5] ARM: DT: STi: stihxxx-b2120: Add pulse-width properties to ssc2 & ssc3 Date: Fri, 28 Aug 2015 08:01:24 +0100 Message-ID: <20150828070124.GG4796@x1> References: <1440678575-21646-1-git-send-email-peter.griffin@linaro.org> <1440678575-21646-2-git-send-email-peter.griffin@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Content-Disposition: inline In-Reply-To: <1440678575-21646-2-git-send-email-peter.griffin@linaro.org> Sender: linux-kernel-owner@vger.kernel.org To: Peter Griffin Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, maxime.coquelin@st.com, srinivas.kandagatla@gmail.com, patrice.chotard@st.com, mchehab@osg.samsung.com, devicetree@vger.kernel.org, linux-media@vger.kernel.org List-Id: devicetree@vger.kernel.org On Thu, 27 Aug 2015, Peter Griffin wrote: > Adding these properties makes the I2C bus to the demodulators much > more reliable, and we no longer suffer from I2C errors when tuning. >=20 > Signed-off-by: Peter Griffin > --- > arch/arm/boot/dts/stihxxx-b2120.dtsi | 10 ++++++++-- > 1 file changed, 8 insertions(+), 2 deletions(-) Acked-by: Lee Jones > 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 @@ > }; > }; > =20 > - i2c@9842000 { > + ssc2: i2c@9842000 { > status =3D "okay"; > + clock-frequency =3D <100000>; > + st,i2c-min-scl-pulse-width-us =3D <0>; > + st,i2c-min-sda-pulse-width-us =3D <5>; > }; > =20 > - i2c@9843000 { > + ssc3: i2c@9843000 { > status =3D "okay"; > + clock-frequency =3D <100000>; > + st,i2c-min-scl-pulse-width-us =3D <0>; > + st,i2c-min-sda-pulse-width-us =3D <5>; > }; > =20 > i2c@9844000 { --=20 Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org =E2=94=82 Open source software for ARM SoCs =46ollow Linaro: Facebook | Twitter | Blog