boards: st: add DSI connector and display alias in stm32f769i_disco

Add the description of the DSI connector available on
the stm32f769i_disco board and zephyr_mipi_dsi/zephyr_lcd_controller
alias to be used by display shields.

Signed-off-by: Alain Volmat <[email protected]>

Author: Alain Volmat

boards/st/stm32f769i_disco/stm32f769i_disco.dts

@@ -10,6 +10,7 @@
 #include <zephyr/dt-bindings/memory-attr/memory-attr-arm.h>
 #include "arduino_r3_connector.dtsi"
 #include <zephyr/dt-bindings/input/input-event-codes.h>
+#include <zephyr/dt-bindings/mipi_dsi/mipi_dsi.h>
 
 / {
 	model = "STMicroelectronics STM32F769I DISCOVERY board";
@@ -72,6 +73,20 @@
 		input = <&ft6202>;
 	};
 
+	dsi_lcd_qsh_030: connector_dsi_lcd {
+		compatible = "st,dsi-lcd-qsh-030";
+		#gpio-cells = <2>;
+		gpio-map-mask = <0xffffffff 0xffffffc0>;
+		gpio-map-pass-thru = <0 0x3f>;
+		gpio-map = <4 0 &gpioi 13 0>,	/* LCD_INT */
+			   <39 0 &gpiod 11 0>,	/* SPDIF_I2S */
+			   <40 0 &gpiob 7 0>,	/* I2C4_SDA */
+			   <44 0 &gpiod 12 0>,	/* I2C4_SCL */
+			   <49 0 &gpioj 2 0>,	/* DSI_TE */
+			   <53 0 &gpioi 14 0>,	/* BL_CTRL */
+			   <57 0 &gpioj 15 0>;	/* DSI_RESET */
+	};
+
 	aliases {
 		led0 = &red_led_1;
 		led1 = &green_led_2;
@@ -134,7 +149,7 @@ arduino_serial: &usart6 {};
 	clock-frequency = <I2C_BITRATE_FAST>;
 };
 
-&i2c4 {
+qsh_030_i2c: &i2c4 {
 	pinctrl-0 = <&i2c4_scl_pd12 &i2c4_sda_pb7>;
 	pinctrl-names = "default";
 	status = "okay";
@@ -282,3 +297,7 @@ zephyr_udc0: &usbotg_hs {
 	phys = <&otghs_ulpi_phy>;
 	status = "okay";
 };
+
+/* alias used by display shields */
+zephyr_mipi_dsi: &mipi_dsi {};
+zephyr_lcd_controller: &ltdc {};