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boards: arm: stm32f429i_disc1: enable LTDC interface

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Enable LTDC interface to drive the ILI9341 in RGB mode.

Signed-off-by: Konstantinos Papadopoulos <kostas.papadopulos@gmail.com>
This commit is contained in:
Konstantinos Papadopoulos 2022-04-05 22:04:54 +03:00 • committed by Marti Bolivar
commit eb478dff08
2 changed files with 30 additions and 0 deletions
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29
boards/arm/stm32f429i_disc1/stm32f429i_disc1.dts
View file

@ -7,6 +7,7 @@
/dts-v1/;
#include <st/f4/stm32f429Xi.dtsi>
#include <st/f4/stm32f429zitx-pinctrl.dtsi>
#include <dt-bindings/display/stm32_ltdc.h>
#include <dt-bindings/display/ili9xxx.h>
/ {
@ -184,3 +185,31 @@
};
};
};
&ltdc {
pinctrl-0 = <&ltdc_r2_pc10 &ltdc_r3_pb0 &ltdc_r4_pa11 &ltdc_r5_pa12
&ltdc_r6_pb1 &ltdc_r7_pg6 &ltdc_g2_pa6 &ltdc_g3_pg10
&ltdc_g4_pb10 &ltdc_g5_pb11 &ltdc_g6_pc7 &ltdc_g7_pd3
&ltdc_b2_pd6 &ltdc_b3_pg11 &ltdc_b4_pg12 &ltdc_b5_pa3
&ltdc_b6_pb8 &ltdc_b7_pb9 &ltdc_de_pf10 &ltdc_clk_pg7
&ltdc_hsync_pc6 &ltdc_vsync_pa4>;
pinctrl-names = "default";
ext-sdram = <&sdram2>;
status = "okay";
width = <240>;
height = <320>;
hsync-pol = <STM32_LTDC_HSPOL_ACTIVE_LOW>;
vsync-pol = <STM32_LTDC_VSPOL_ACTIVE_LOW>;
de-pol = <STM32_LTDC_DEPOL_ACTIVE_LOW>;
pclk-pol = <STM32_LTDC_PCPOL_ACTIVE_LOW>;
hsync-duration = <10>;
vsync-duration = <2>;
hbp-duration = <20>;
vbp-duration = <2>;
hfp-duration = <10>;
vfp-duration = <4>;
def-back-color-red = <0xFF>;
def-back-color-green = <0xFF>;
def-back-color-blue = <0xFF>;
};

1
boards/arm/stm32f429i_disc1/stm32f429i_disc1.yaml
View file

@ -12,3 +12,4 @@ supported:
- counter
- i2c
- spi
- display