diff mbox series

ARM: dts: stm32: set i2c4 bus freq to 400KHz on stm32mp157c-ed1

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

Commit Message

Alain Volmat Feb. 10, 2020, 5:17 p.m. UTC
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(+)

Comments

Alexandre TORGUE March 13, 2020, 12:49 p.m. UTC | #1
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 mbox series

Patch

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;