commit f0215440069c4fb12958d2d321e05faa2708a11d Linux upstream.
The patch adds support for touchscreen on the stm32f746-disco board.
Signed-off-by: Dario Binacchi dario.binacchi@amarulasolutions.com Signed-off-by: Alexandre Torgue alexandre.torgue@foss.st.com ---
arch/arm/dts/stm32f746-disco.dts | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-)
diff --git a/arch/arm/dts/stm32f746-disco.dts b/arch/arm/dts/stm32f746-disco.dts index 1ed58f236149..9541f449fd0e 100644 --- a/arch/arm/dts/stm32f746-disco.dts +++ b/arch/arm/dts/stm32f746-disco.dts @@ -7,8 +7,9 @@ /dts-v1/; #include "stm32f746.dtsi" #include "stm32f746-pinctrl.dtsi" -#include <dt-bindings/input/input.h> #include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/input/input.h> +#include <dt-bindings/interrupt-controller/irq.h>
/ { model = "STMicroelectronics STM32F746-DISCO board"; @@ -63,6 +64,22 @@ 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>;