| Message ID | 1440678575-21646-2-git-send-email-peter.griffin@linaro.org |
|---|---|
| State | Superseded |
| Headers | show |
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 <peter.griffin@linaro.org> > --- > arch/arm/boot/dts/stihxxx-b2120.dtsi | 10 ++++++++-- > 1 file changed, 8 insertions(+), 2 deletions(-) Acked-by: Lee Jones <lee.jones@linaro.org> > 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 {
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 {
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 <peter.griffin@linaro.org> --- arch/arm/boot/dts/stihxxx-b2120.dtsi | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-)