From 114e282d51ea87dab368397d525be96e57d084ff Mon Sep 17 00:00:00 2001 From: Raphael Gallais-Pou Date: Fri, 22 Aug 2025 16:34:18 +0200 Subject: [PATCH] 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 Acked-by: Yannick Fertre Link: https://lore.kernel.org/r/20250822-drm-misc-next-v5-9-9c825e28f733@foss.st.com Signed-off-by: Alexandre Torgue --- arch/arm64/boot/dts/st/stm32mp251.dtsi | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/st/stm32mp251.dtsi b/arch/arm64/boot/dts/st/stm32mp251.dtsi index 605b6a5d39a61..aecbdea07385f 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 = , + ; + 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>; -- 2.47.3