[PATCH 11/13] arm64: dts: st: add ddrperfm on stm32mp251

From: Clément Le Goffic
Date: Mon Jun 23 2025 - 05:33:18 EST


The DDRPERFM is the DDR Performance Monitor embedded in STM32MP251 SoC.

Keep the node disabled at SoC level as it requires the property
`st,dram-type` which is provided in board dtsi file.

Signed-off-by: Clément Le Goffic <clement.legoffic@xxxxxxxxxxx>
---
arch/arm64/boot/dts/st/stm32mp251.dtsi | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/arch/arm64/boot/dts/st/stm32mp251.dtsi b/arch/arm64/boot/dts/st/stm32mp251.dtsi
index 0683c2d5cb6f..7f138324610a 100644
--- a/arch/arm64/boot/dts/st/stm32mp251.dtsi
+++ b/arch/arm64/boot/dts/st/stm32mp251.dtsi
@@ -1577,5 +1577,12 @@ exti2: interrupt-controller@46230000 {
<0>,
<&intc GIC_SPI 213 IRQ_TYPE_LEVEL_HIGH>; /* EXTI_70 */
};
+
+ ddrperfm: perf@48041000 {
+ compatible = "st,stm32mp251-ddr-pmu";
+ reg = <0x48041000 0x400>;
+ access-controllers = <&rcc 104>;
+ status = "disabled";
+ };
};
};

--
2.43.0