Message ID | 1581355041-13845-1-git-send-email-alain.volmat@st.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | ARM: dts: stm32: set i2c4 bus freq to 400KHz on stm32mp157c-ed1 | expand |
Hi Alain On 2/10/20 6:17 PM, Alain Volmat wrote: > On this board, the I2C4 bus has only a single slave (pmic) which > supports I2C Fast Mode hence setting bus frequency to 400 KHz. > > Signed-off-by: Alain Volmat <alain.volmat@st.com> > --- > arch/arm/boot/dts/stm32mp157c-ed1.dts | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm/boot/dts/stm32mp157c-ed1.dts b/arch/arm/boot/dts/stm32mp157c-ed1.dts > index 209dae010be4..ac4f7ee4ad55 100644 > --- a/arch/arm/boot/dts/stm32mp157c-ed1.dts > +++ b/arch/arm/boot/dts/stm32mp157c-ed1.dts > @@ -135,6 +135,7 @@ > pinctrl-0 = <&i2c4_pins_sleep_a>; > i2c-scl-rising-time-ns = <185>; > i2c-scl-falling-time-ns = <20>; > + clock-frequency = <400000>; > status = "okay"; > /* spare dmas for other usage */ > /delete-property/dmas; > Applied on stm32-next. Thanks. Alex
diff --git a/arch/arm/boot/dts/stm32mp157c-ed1.dts b/arch/arm/boot/dts/stm32mp157c-ed1.dts index 209dae010be4..ac4f7ee4ad55 100644 --- a/arch/arm/boot/dts/stm32mp157c-ed1.dts +++ b/arch/arm/boot/dts/stm32mp157c-ed1.dts @@ -135,6 +135,7 @@ pinctrl-0 = <&i2c4_pins_sleep_a>; i2c-scl-rising-time-ns = <185>; i2c-scl-falling-time-ns = <20>; + clock-frequency = <400000>; status = "okay"; /* spare dmas for other usage */ /delete-property/dmas;
On this board, the I2C4 bus has only a single slave (pmic) which supports I2C Fast Mode hence setting bus frequency to 400 KHz. Signed-off-by: Alain Volmat <alain.volmat@st.com> --- arch/arm/boot/dts/stm32mp157c-ed1.dts | 1 + 1 file changed, 1 insertion(+)