[PATCH 1/2] ARM: dts: stm32: add pin map for i2c3 controller on stm32f7

[PATCH 1/2] ARM: dts: stm32: add pin map for i2c3 controller on stm32f7

[Dario Binacchi]

Add pin configurations for using i2c3 controller on stm32f7.

Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
---

 arch/arm/boot/dts/st/stm32f7-pinctrl.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm/boot/dts/st/stm32f7-pinctrl.dtsi b/arch/arm/boot/dts/st/stm32f7-pinctrl.dtsi
index 9f65403295ca..c8dfda7bd04f 100644
--- a/arch/arm/boot/dts/st/stm32f7-pinctrl.dtsi
+++ b/arch/arm/boot/dts/st/stm32f7-pinctrl.dtsi
@@ -171,6 +171,16 @@ pins {
 				};
 			};
 
+			i2c3_pins_a: i2c3-0 {
+				pins {
+					pinmux = <STM32_PINMUX('H', 8, AF4)>, /* I2C3_SDA */
+						 <STM32_PINMUX('H', 7, AF4)>; /* I2C3_SCL */
+					bias-disable;
+					drive-open-drain;
+					slew-rate = <0>;
+				};
+			};
+
 			usbotg_hs_pins_a: usbotg-hs-0 {
 				pins {
 					pinmux = <STM32_PINMUX('H', 4, AF10)>, /* OTG_HS_ULPI_NXT */
-- 
2.32.0

[PATCH 2/2] ARM: dts: stm32: add touchscreen on stm32f746-disco board

[Dario Binacchi]

The patch adds support for touchscreen on the stm32f746-disco board.

Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
---

 arch/arm/boot/dts/st/stm32f746-disco.dts | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/arch/arm/boot/dts/st/stm32f746-disco.dts b/arch/arm/boot/dts/st/stm32f746-disco.dts
index c11616ed5fc6..4830ccd48cb3 100644
--- a/arch/arm/boot/dts/st/stm32f746-disco.dts
+++ b/arch/arm/boot/dts/st/stm32f746-disco.dts
@@ -45,6 +45,7 @@
 #include "stm32f746-pinctrl.dtsi"
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
 
 / {
 	model = "STMicroelectronics STM32F746-DISCO board";
@@ -99,6 +100,22 @@ &i2c1 {
 	status = "okay";
 };
 
+&i2c3 {
+	pinctrl-0 = <&i2c3_pins_a>;
+	pinctrl-names = "default";
+	clock-frequency = <400000>;
+	status = "okay";
+
+	touchscreen@38 {
+		compatible = "edt,edt-ft5306";
+		reg = <0x38>;
+		interrupt-parent = <&gpioi>;
+		interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
+		touchscreen-size-x = <480>;
+		touchscreen-size-y = <272>;
+	};
+};
+
 &sdio1 {
 	status = "okay";
 	vmmc-supply = <&mmc_vcard>;
-- 
2.32.0

Re: [PATCH 2/2] ARM: dts: stm32: add touchscreen on stm32f746-disco board

[Alexandre TORGUE]

On 7/4/23 19:34, Dario Binacchi wrote:
> The patch adds support for touchscreen on the stm32f746-disco board.
> 
> Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
> ---
> 
>   arch/arm/boot/dts/st/stm32f746-disco.dts | 17 +++++++++++++++++
>   1 file changed, 17 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/st/stm32f746-disco.dts b/arch/arm/boot/dts/st/stm32f746-disco.dts
> index c11616ed5fc6..4830ccd48cb3 100644
> --- a/arch/arm/boot/dts/st/stm32f746-disco.dts
> +++ b/arch/arm/boot/dts/st/stm32f746-disco.dts
> @@ -45,6 +45,7 @@
>   #include "stm32f746-pinctrl.dtsi"
>   #include <dt-bindings/input/input.h>
>   #include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
>   
>   / {
>   	model = "STMicroelectronics STM32F746-DISCO board";
> @@ -99,6 +100,22 @@ &i2c1 {
>   	status = "okay";
>   };
>   
> +&i2c3 {
> +	pinctrl-0 = <&i2c3_pins_a>;
> +	pinctrl-names = "default";
> +	clock-frequency = <400000>;
> +	status = "okay";
> +
> +	touchscreen@38 {
> +		compatible = "edt,edt-ft5306";
> +		reg = <0x38>;
> +		interrupt-parent = <&gpioi>;
> +		interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
> +		touchscreen-size-x = <480>;
> +		touchscreen-size-y = <272>;
> +	};
> +};
> +
>   &sdio1 {
>   	status = "okay";
>   	vmmc-supply = <&mmc_vcard>;

Series applied on stm32-next.

Thanks
Alex