From mboxrd@z Thu Jan 1 00:00:00 1970 From: lee.jones@linaro.org (Lee Jones) Date: Fri, 28 Aug 2015 08:01:24 +0100 Subject: [PATCH v2 1/5] ARM: DT: STi: stihxxx-b2120: Add pulse-width properties to ssc2 & ssc3 In-Reply-To: <1440678575-21646-2-git-send-email-peter.griffin@linaro.org> References: <1440678575-21646-1-git-send-email-peter.griffin@linaro.org> <1440678575-21646-2-git-send-email-peter.griffin@linaro.org> Message-ID: <20150828070124.GG4796@x1> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.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. > > 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 @@ > }; > }; > > - i2c at 9842000 { > + ssc2: i2c at 9842000 { > status = "okay"; > + clock-frequency = <100000>; > + st,i2c-min-scl-pulse-width-us = <0>; > + st,i2c-min-sda-pulse-width-us = <5>; > }; > > - i2c at 9843000 { > + ssc3: i2c at 9843000 { > status = "okay"; > + clock-frequency = <100000>; > + st,i2c-min-scl-pulse-width-us = <0>; > + st,i2c-min-sda-pulse-width-us = <5>; > }; > > i2c at 9844000 { -- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org ? Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog