@@ -89,6 +89,37 @@
compatible = "st,button1";
button-gpio = <&gpioi 11 0>;
};
+
+ backlight: backlight {
+ compatible = "gpio-backlight";
+ gpios = <&gpiok 3 0>;
+ status = "okay";
+ };
+
+ panel-rgb@0 {
+ compatible = "simple-panel";
+ backlight = <&backlight>;
+ enable-gpios = <&gpioi 12 0>;
+ status = "okay";
+
+ display-timings {
+ timing@0 {
+ clock-frequency = <9000000>;
+ hactive = <480>;
+ vactive = <272>;
+ hfront-porch = <2>;
+ hback-porch = <2>;
+ hsync-len = <41>;
+ vfront-porch = <2>;
+ vback-porch = <2>;
+ vsync-len = <10>;
+ hsync-active = <0>;
+ vsync-active = <0>;
+ de-active = <0>;
+ pixelclk-active = <1>;
+ };
+ };
+ };
};
&clk_hse {
@@ -183,6 +214,40 @@
slew-rate = <2>;
};
};
+
+ ltdc_pins: ltdc@0 {
+ pins {
+ pinmux = <STM32F746_PE4_FUNC_LCD_B0>,
+ <STM32F746_PG12_FUNC_LCD_B4>,
+ <STM32F746_PI9_FUNC_LCD_VSYNC>,
+ <STM32F746_PI10_FUNC_LCD_HSYNC>,
+ <STM32F746_PI14_FUNC_LCD_CLK>,
+ <STM32F746_PI15_FUNC_LCD_R0>,
+ <STM32F746_PJ0_FUNC_LCD_R1>,
+ <STM32F746_PJ1_FUNC_LCD_R2>,
+ <STM32F746_PJ2_FUNC_LCD_R3>,
+ <STM32F746_PJ3_FUNC_LCD_R4>,
+ <STM32F746_PJ4_FUNC_LCD_R5>,
+ <STM32F746_PJ5_FUNC_LCD_R6>,
+ <STM32F746_PJ6_FUNC_LCD_R7>,
+ <STM32F746_PJ7_FUNC_LCD_G0>,
+ <STM32F746_PJ8_FUNC_LCD_G1>,
+ <STM32F746_PJ9_FUNC_LCD_G2>,
+ <STM32F746_PJ10_FUNC_LCD_G3>,
+ <STM32F746_PJ11_FUNC_LCD_G4>,
+ <STM32F746_PJ13_FUNC_LCD_B1>,
+ <STM32F746_PJ14_FUNC_LCD_B2>,
+ <STM32F746_PJ15_FUNC_LCD_B3>,
+ <STM32F746_PK0_FUNC_LCD_G5>,
+ <STM32F746_PK1_FUNC_LCD_G6>,
+ <STM32F746_PK2_FUNC_LCD_G7>,
+ <STM32F746_PK4_FUNC_LCD_B5>,
+ <STM32F746_PK5_FUNC_LCD_B6>,
+ <STM32F746_PK6_FUNC_LCD_B7>,
+ <STM32F746_PK7_FUNC_LCD_DE>;
+ slew-rate = <2>;
+ };
+ };
};
&usart1 {
@@ -250,3 +315,8 @@
bus-width = <4>;
max-frequency = <25000000>;
};
+
+<dc {
+ status = "okay";
+ pinctrl-0 = <<dc_pins>;
+};
Enable the display controller , panel & backlight. Set panel display timings & set the RGB data bus. Signed-off-by: yannick fertre <yannick.fertre@st.com> --- arch/arm/dts/stm32f746-disco.dts | 70 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+)