diff options
| author | Raphael Gallais-Pou <raphael.gallais-pou@foss.st.com> | 2025-08-22 16:34:18 +0200 |
|---|---|---|
| committer | Alexandre Torgue <alexandre.torgue@foss.st.com> | 2025-09-15 17:51:30 +0200 |
| commit | 114e282d51ea87dab368397d525be96e57d084ff (patch) | |
| tree | 8b0813790b33f204b2ed6d82203e036e9f95cbd4 | |
| parent | 6bb200f11aedd1c3c5579e5b37c13144d1e49ac8 (diff) | |
arm64: dts: st: add ltdc support on stm32mp251
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>
| -rw-r--r-- | arch/arm64/boot/dts/st/stm32mp251.dtsi | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/st/stm32mp251.dtsi b/arch/arm64/boot/dts/st/stm32mp251.dtsi index 605b6a5d39a6..aecbdea07385 100644 --- a/arch/arm64/boot/dts/st/stm32mp251.dtsi +++ b/arch/arm64/boot/dts/st/stm32mp251.dtsi @@ -1562,6 +1562,18 @@ }; }; + 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>; |