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boards: stm32f769i_disc0: add touchscreen support

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Add support for the touchscreen controller on STM32F769I-DISC0(MB1166).
The touchscreen uses Focaltech FT6202 which is compatible with FT5336.
Tested with kscan_touch sample application.

Signed-off-by: Konstantinos Papadopoulos <kostas.papadopulos@gmail.com>
This commit is contained in:
Konstantinos Papadopoulos 2022-01-03 15:28:02 +02:00 committed by Maureen Helm
parent e2588d6a42
commit 821f49fbb4
4 changed files with 27 additions and 0 deletions
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6
boards/arm/stm32f769i_disco/Kconfig.defconfig
View file

@ -12,6 +12,12 @@ config SPI_STM32_INTERRUPT
default y
depends on SPI
config I2C
default y if KSCAN
config KSCAN_FT5336
default y if KSCAN
if NETWORKING
config NET_L2_ETHERNET

5
boards/arm/stm32f769i_disco/doc/index.rst
View file

@ -118,6 +118,10 @@ The Zephyr stm32f769i_disco board configuration supports the following hardware
+-----------+------------+-------------------------------------+
| QSPI NOR | on-chip | flash |
+-----------+------------+-------------------------------------+
| FMC | on-chip | memc (SDRAM) |
+-----------+------------+-------------------------------------+
| TOUCH | off-chip | ft5336(FT6202) |
+-----------+------------+-------------------------------------+
Other hardware features are not yet supported on Zephyr porting.
@ -138,6 +142,7 @@ Default Zephyr Peripheral Mapping:
- UART_1 TX/RX : PA9/PA10 (ST-Link Virtual Port Com)
- UART_6 TX/RX : PC6/PC7 (Arduino Serial)
- I2C1 SCL/SDA : PB8/PB9 (Arduino I2C)
- I2C4 SCL/SDA : PD12/PB7 (Touchscreen FT6202, PI13 Interrupt Pin)
- SPI2 SCK/MISO/MOSI : PA12/PB14/PB15 (Arduino SPI)
- ETH : PA1, PA2, PA7, PC1, PC4, PC5, PG11, PG13, PG14
- LD1 : PJ13

15
boards/arm/stm32f769i_disco/stm32f769i_disco.dts
View file

@ -63,6 +63,7 @@
led2 = &green_led_3;
led3 = &red_led_4;
sw0 = &user_button;
kscan0 = &touch_controller;
};
};
@ -113,6 +114,20 @@ arduino_serial: &usart6 {};
clock-frequency = <I2C_BITRATE_FAST>;
};
&i2c4 {
pinctrl-0 = <&i2c4_scl_pd12 &i2c4_sda_pb7>;
pinctrl-names = "default";
status = "okay";
clock-frequency = <I2C_BITRATE_FAST>;
touch_controller: ft6202@2a {
compatible = "focaltech,ft5336";
reg = <0x2a>;
label = "FT6202";
int-gpios = <&gpioi 13 0>;
};
};
&spi2 {
pinctrl-0 = <&spi2_nss_pa11 &spi2_sck_pa12 &spi2_miso_pb14 &spi2_mosi_pb15>;
pinctrl-names = "default";

1
boards/arm/stm32f769i_disco/stm32f769i_disco.yaml
View file

@ -17,3 +17,4 @@ supported:
- arduino_gpio
- netif:eth
- memc
- kscan:touch