| Message ID | 1581355056-13884-1-git-send-email-alain.volmat@st.com |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | ARM: dts: stm32: set i2c4 bus freq to 400KHz on stm32mp15 DK boards | expand |
Hi Alain On 2/10/20 6:17 PM, Alain Volmat wrote: > On DK boards, all I2C4 bus slaves supports I2C Fast Mode hence setting > the bus frequency to 400 KHz. > > Signed-off-by: Alain Volmat <alain.volmat@st.com> > --- > arch/arm/boot/dts/stm32mp15xx-dkx.dtsi | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi > index 7f5fcb2c5b03..2521f428ae67 100644 > --- a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi > +++ b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi > @@ -221,6 +221,7 @@ > pinctrl-1 = <&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/stm32mp15xx-dkx.dtsi b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi index 7f5fcb2c5b03..2521f428ae67 100644 --- a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi +++ b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi @@ -221,6 +221,7 @@ pinctrl-1 = <&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 DK boards, all I2C4 bus slaves supports I2C Fast Mode hence setting the bus frequency to 400 KHz. Signed-off-by: Alain Volmat <alain.volmat@st.com> --- arch/arm/boot/dts/stm32mp15xx-dkx.dtsi | 1 + 1 file changed, 1 insertion(+)