ARM: dts: stm32: Add ltdc support on stm32f429 MCU

Add LTDC (Lcd-tft Display Controller) support.
Signed-off-by: Yannick Fertre <yannick.fertre@st.com>
Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com>

arch/arm/boot/dts/stm32f429.dtsi

@@ -549,7 +549,17 @@ pwrcfg: power-config@40007000 {
 			reg = <0x40007000 0x400>;
 		};
 
-		pin-controller {
+		ltdc: display-controller@40016800 {
+			compatible = "st,stm32-ltdc";
+			reg = <0x40016800 0x200>;
+			interrupts = <88>, <89>;
+			resets = <&rcc STM32F4_APB2_RESET(LTDC)>;
+			clocks = <&rcc 1 CLK_LCD>;
+			clock-names = "lcd";
+			status = "disabled";
+		};
+
+		pinctrl: pin-controller {
 			#address-cells = <1>;
 			#size-cells = <1>;
 			compatible = "st,stm32f429-pinctrl";
@@ -764,6 +774,40 @@ pins {
 					slew-rate = <3>;
 				};
 			};
+
+			ltdc_pins: ltdc@0 {
+				pins {
+					pinmux = <STM32F429_PI12_FUNC_LCD_HSYNC>,
+						 <STM32F429_PI13_FUNC_LCD_VSYNC>,
+						 <STM32F429_PI14_FUNC_LCD_CLK>,
+						 <STM32F429_PI15_FUNC_LCD_R0>,
+						 <STM32F429_PJ0_FUNC_LCD_R1>,
+						 <STM32F429_PJ1_FUNC_LCD_R2>,
+						 <STM32F429_PJ2_FUNC_LCD_R3>,
+						 <STM32F429_PJ3_FUNC_LCD_R4>,
+						 <STM32F429_PJ4_FUNC_LCD_R5>,
+						 <STM32F429_PJ5_FUNC_LCD_R6>,
+						 <STM32F429_PJ6_FUNC_LCD_R7>,
+						 <STM32F429_PJ7_FUNC_LCD_G0>,
+						 <STM32F429_PJ8_FUNC_LCD_G1>,
+						 <STM32F429_PJ9_FUNC_LCD_G2>,
+						 <STM32F429_PJ10_FUNC_LCD_G3>,
+						 <STM32F429_PJ11_FUNC_LCD_G4>,
+						 <STM32F429_PJ12_FUNC_LCD_B0>,
+						 <STM32F429_PJ13_FUNC_LCD_B1>,
+						 <STM32F429_PJ14_FUNC_LCD_B2>,
+						 <STM32F429_PJ15_FUNC_LCD_B3>,
+						 <STM32F429_PK0_FUNC_LCD_G5>,
+						 <STM32F429_PK1_FUNC_LCD_G6>,
+						 <STM32F429_PK2_FUNC_LCD_G7>,
+						 <STM32F429_PK3_FUNC_LCD_B4>,
+						 <STM32F429_PK4_FUNC_LCD_B5>,
+						 <STM32F429_PK5_FUNC_LCD_B6>,
+						 <STM32F429_PK6_FUNC_LCD_B7>,
+						 <STM32F429_PK7_FUNC_LCD_DE>;
+					slew-rate = <2>;
+				};
+			};
 		};
 
 		rcc: rcc@40023810 {