diff options
| author | Raphael Gallais-Pou <raphael.gallais-pou@foss.st.com> | 2026-02-10 13:03:55 +0300 |
|---|---|---|
| committer | Alexandre Torgue <alexandre.torgue@foss.st.com> | 2026-03-25 19:37:47 +0300 |
| commit | e12becdf89d9d56314d043026c4704b0960571bb (patch) | |
| tree | 83c18346f403dffe42ce6273447313ff5b0ee844 | |
| parent | 84c9ed3a7726efc7095a21e4cfbda6dc1982406e (diff) | |
| download | linux-e12becdf89d9d56314d043026c4704b0960571bb.tar.xz | |
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>
| -rw-r--r-- | arch/arm64/boot/dts/st/stm32mp231.dtsi | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/st/stm32mp231.dtsi b/arch/arm64/boot/dts/st/stm32mp231.dtsi index 1121dca7880f..03c71a403f13 100644 --- a/arch/arm64/boot/dts/st/stm32mp231.dtsi +++ b/arch/arm64/boot/dts/st/stm32mp231.dtsi @@ -1197,6 +1197,18 @@ <&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>, |