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arm: dts: stm32: add display for STM32F746 disco board

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Enable the display controller, panel & backlight.
Set panel display timings & set the RGB data bus.

Signed-off-by: yannick fertre <yannick.fertre@st.com>
This commit is contained in:
yannick fertre 2018-03-02 15:59:27 +01:00 committed by Anatolij Gustschin
parent 0e75aa4d1d
commit 455141636f
1 changed files with 70 additions and 0 deletions
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70
arch/arm/dts/stm32f746-disco.dts
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@ -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>;
};
&ltdc {
status = "okay";
pinctrl-0 = <&ltdc_pins>;
};