diff mbox series

ARM: dts: stm32: configure i2c5 support on stm32mp15xx-dkx

Message ID 1592904672-12781-1-git-send-email-alain.volmat@st.com (mailing list archive)
State Mainlined
Commit 164c10aed934332390826cae45ad81ad0fef39cb
Headers show
Series ARM: dts: stm32: configure i2c5 support on stm32mp15xx-dkx | expand

Commit Message

Alain Volmat June 23, 2020, 9:31 a.m. UTC
From: Fabrice Gasnier <fabrice.gasnier@st.com>

Configure I2C5 on stm32mp15 DK boards. It's available and can be used on:
- Arduino connector
- GPIO expansion connector
Keep it disabled by default, so the pins are kept in their initial state to
lower power consumption. This way they can also be used as GPIO.

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Alain Volmat <alain.volmat@st.com>
---
 arch/arm/boot/dts/stm32mp15xx-dkx.dtsi | 13 +++++++++++++
 1 file changed, 13 insertions(+)

Comments

Alexandre TORGUE July 21, 2020, 8:14 a.m. UTC | #1
Hi Alain

On 6/23/20 11:31 AM, Alain Volmat wrote:
> From: Fabrice Gasnier <fabrice.gasnier@st.com>
> 
> Configure I2C5 on stm32mp15 DK boards. It's available and can be used on:
> - Arduino connector
> - GPIO expansion connector
> Keep it disabled by default, so the pins are kept in their initial state to
> lower power consumption. This way they can also be used as GPIO.
> 
> Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
> Signed-off-by: Alain Volmat <alain.volmat@st.com>
> ---
>   arch/arm/boot/dts/stm32mp15xx-dkx.dtsi | 13 +++++++++++++
>   1 file changed, 13 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
> index fcf50131e5fe..e69aba9830b3 100644
> --- a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
> +++ b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
> @@ -361,6 +361,19 @@
>   	};
>   };
>   
> +&i2c5 {
> +	pinctrl-names = "default", "sleep";
> +	pinctrl-0 = <&i2c5_pins_a>;
> +	pinctrl-1 = <&i2c5_sleep_pins_a>;
> +	i2c-scl-rising-time-ns = <185>;
> +	i2c-scl-falling-time-ns = <20>;
> +	clock-frequency = <400000>;
> +	/* spare dmas for other usage */
> +	/delete-property/dmas;
> +	/delete-property/dma-names;
> +	status = "disabled";
> +};
> +
>   &i2s2 {
>   	clocks = <&rcc SPI2>, <&rcc SPI2_K>, <&rcc PLL3_Q>, <&rcc PLL3_R>;
>   	clock-names = "pclk", "i2sclk", "x8k", "x11k";
> 

Applied on stm32-next.

Thanks.
Alex
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
index fcf50131e5fe..e69aba9830b3 100644
--- a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
+++ b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
@@ -361,6 +361,19 @@ 
 	};
 };
 
+&i2c5 {
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&i2c5_pins_a>;
+	pinctrl-1 = <&i2c5_sleep_pins_a>;
+	i2c-scl-rising-time-ns = <185>;
+	i2c-scl-falling-time-ns = <20>;
+	clock-frequency = <400000>;
+	/* spare dmas for other usage */
+	/delete-property/dmas;
+	/delete-property/dma-names;
+	status = "disabled";
+};
+
 &i2s2 {
 	clocks = <&rcc SPI2>, <&rcc SPI2_K>, <&rcc PLL3_Q>, <&rcc PLL3_R>;
 	clock-names = "pclk", "i2sclk", "x8k", "x11k";