arm64: dts: st: add ltdc support on stm32mp231

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>
Link: https://lore.kernel.org/r/20260210-display-v2-2-0592bd514958@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
This commit is contained in:
Raphael Gallais-Pou 2026-02-10 11:03:55 +01:00 committed by Alexandre Torgue
parent 84c9ed3a77
commit e12becdf89

View File

@ -1197,6 +1197,18 @@ exti2: interrupt-controller@46230000 {
<&intc GIC_SPI 213 IRQ_TYPE_LEVEL_HIGH>; /* EXTI_70 */
};
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";
};
intc: interrupt-controller@4ac10000 {
compatible = "arm,gic-400";
reg = <0x4ac10000 0x1000>,