[PATCH v3 09/13] arm64: dts: st: add ltdc support on stm32mp251
From: Raphael Gallais-Pou <raphael.gallais-pou@foss.st.com>
Date: 2025-08-19 09:18:34
Also in:
dri-devel, linux-devicetree, lkml
Subsystem:
arm/stm32 architecture, the rest · Maintainers:
Maxime Coquelin, Alexandre Torgue, Linus Torvalds
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> --- 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 303abf915b8e489671b51a8c832041c14a42ecb8..372a99d9cc5c3730e8fbeddeb6134a3b18d938b6 100644
--- a/arch/arm64/boot/dts/st/stm32mp251.dtsi
+++ b/arch/arm64/boot/dts/st/stm32mp251.dtsi@@ -1576,6 +1576,18 @@ dcmipp: dcmipp@48030000 { status = "disabled"; }; + 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"; + }; + combophy: phy@480c0000 { compatible = "st,stm32mp25-combophy"; reg = <0x480c0000 0x1000>;
--
2.25.1