linux-kernel - [PATCH v2 5/5] ARM: dts: stm32: add ddrperfm on stm32mp157c

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Date:   Mon, 20 May 2019 15:27:18 +0000
From:   Gerald BAEZA <gerald.baeza@...com>
To:     "will.deacon@....com" <will.deacon@....com>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "mcoquelin.stm32@...il.com" <mcoquelin.stm32@...il.com>,
        Alexandre TORGUE <alexandre.torgue@...com>,
        "corbet@....net" <corbet@....net>,
        "linux@...linux.org.uk" <linux@...linux.org.uk>,
        "olof@...om.net" <olof@...om.net>,
        "horms+renesas@...ge.net.au" <horms+renesas@...ge.net.au>,
        "arnd@...db.de" <arnd@...db.de>
CC:     "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-stm32@...md-mailman.stormreply.com" 
        <linux-stm32@...md-mailman.stormreply.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
        Gerald BAEZA <gerald.baeza@...com>
Subject: [PATCH v2 5/5] ARM: dts: stm32: add ddrperfm on stm32mp157c

The DDRPERFM is the DDR Performance Monitor embedded
in STM32MP1 SOC.

Signed-off-by: Gerald Baeza <gerald.baeza@...com>
---
 arch/arm/boot/dts/stm32mp157c.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm/boot/dts/stm32mp157c.dtsi b/arch/arm/boot/dts/stm32mp157c.dtsi
index 2afeee6..7dad246 100644
--- a/arch/arm/boot/dts/stm32mp157c.dtsi
+++ b/arch/arm/boot/dts/stm32mp157c.dtsi
@@ -1198,6 +1198,15 @@
 			};
 		};
 
+		ddrperfm: perf@...07000 {
+			compatible = "st,stm32-ddr-pmu";
+			reg = <0x5a007000 0x400>;
+			clocks = <&rcc DDRPERFM>, <&rcc PLL2_R>;
+			clock-names = "bus", "ddr";
+			resets = <&rcc DDRPERFM_R>;
+			status = "okay";
+		};
+
 		usart1: serial@...00000 {
 			compatible = "st,stm32h7-uart";
 			reg = <0x5c000000 0x400>;
-- 
2.7.4