linux-kernel - [PATCH 10/13] ARM: dts: stm32: add ddrperfm on stm32mp151

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Message-ID: <20250623-ddrperfm-upstream-v1-10-7dffff168090@foss.st.com>
Date: Mon, 23 Jun 2025 11:27:15 +0200
From: Clément Le Goffic <clement.legoffic@...s.st.com>
To: Will Deacon <will@...nel.org>, Mark Rutland <mark.rutland@....com>,
        Rob
 Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor
 Dooley <conor+dt@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Philipp Zabel
	<p.zabel@...gutronix.de>,
        Jonathan Corbet <corbet@....net>,
        Gatien Chevallier
	<gatien.chevallier@...s.st.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Gabriel Fernandez
	<gabriel.fernandez@...s.st.com>
CC: <linux-arm-kernel@...ts.infradead.org>, <linux-perf-users@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-kernel@...r.kernel.org>, <linux-doc@...r.kernel.org>,
        <linux-clk@...r.kernel.org>,
        Clément Le Goffic <clement.legoffic@...s.st.com>
Subject: [PATCH 10/13] ARM: dts: stm32: add ddrperfm on stm32mp151

The DDRPERFM is the DDR Performance Monitor embedded in STM32MP151 SoC.

Signed-off-by: Clément Le Goffic <clement.legoffic@...s.st.com>
---
 arch/arm/boot/dts/st/stm32mp151.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/boot/dts/st/stm32mp151.dtsi b/arch/arm/boot/dts/st/stm32mp151.dtsi
index 0daa8ffe2ff5..82b1d585a099 100644
--- a/arch/arm/boot/dts/st/stm32mp151.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp151.dtsi
@@ -383,6 +383,13 @@ usbphyc_port1: usb-phy@1 {
 			};
 		};
 
+		ddrperfm: perf@...07000 {
+			compatible = "st,stm32mp151-ddr-pmu";
+			reg = <0x5a007000 0x400>;
+			clocks = <&rcc DDRPERFM>;
+			resets = <&rcc DDRPERFM_R>;
+		};
+
 		rtc: rtc@...04000 {
 			compatible = "st,stm32mp1-rtc";
 			reg = <0x5c004000 0x400>;

-- 
2.43.0