[PATCH V11 3/4] arm64: dts: imx8qxp: added ddr performance monitor nodes

[Frank Li <frank.li@xxxxxxx>]

Add ddr performance monitor

Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
Reviewed-by: Fabio Estevam <festevam@xxxxxxxxx>
---

Notes:
    No change from v9 to v11
    
    Change from v8 to v9
    * put ddr-pmu under ddr_subsystem bus
    
    Change from v3 to v8
    * none
    
    Change from v2 to v3
    * ddr_pmu0 -> ddr-pmu

 arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
index 0683ee2..a33e08c 100644
--- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
@@ -378,6 +378,20 @@
 		};
 	};
 
+	ddr_subsyss: bus@5c000000 {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0x5c000000 0x0 0x5c000000 0x1000000>;
+
+		ddr-pmu@5c020000 {
+			compatible = "fsl,imx8-ddr-pmu";
+			reg = <0x5c020000 0x10000>;
+			interrupt-parent = <&gic>;
+			interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>;
+		};
+	};
+
 	lsio_subsys: bus@5d000000 {
 		compatible = "simple-bus";
 		#address-cells = <1>;
-- 
2.5.2