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arm64: dts: st: add ltdc support on stm32mp251

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The LCD-TFT Display Controller (LTDC) handles display composition,
scaling and rotation.  It provides a parallel digital RGB flow to be
used by display interfaces.

Add the LTDC node.

Signed-off-by: Raphael Gallais-Pou <raphael.gallais-pou@foss.st.com>
Acked-by: Yannick Fertre <yannick.fertre@foss.st.com>
Link: https://lore.kernel.org/r/20250822-drm-misc-next-v5-9-9c825e28f733@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
This commit is contained in:
Raphael Gallais-Pou 2025-08-22 16:34:18 +02:00 committed by Alexandre Torgue
parent 6bb200f11a
commit 114e282d51
1 changed files with 12 additions and 0 deletions
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12
arch/arm64/boot/dts/st/stm32mp251.dtsi
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@ -1562,6 +1562,18 @@ trigger@4 {
};
};
ltdc: display-controller@48010000 {
compatible = "st,stm32mp251-ltdc";
reg = <0x48010000 0x400>;
interrupts = <GIC_SPI 158 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 159 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&rcc CK_KER_LTDC>, <&rcc CK_BUS_LTDC>;
clock-names = "lcd", "bus";
resets = <&rcc LTDC_R>;
access-controllers = <&rifsc 80>;
status = "disabled";
};
csi: csi@48020000 {
compatible = "st,stm32mp25-csi";
reg = <0x48020000 0x2000>;