1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/perf/fsl-imx-ddr.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Freescale(NXP) IMX8/9 DDR performance monitor
8
9 maintainers:
10 - Frank Li <frank.li@nxp.com>
11
12 properties:
13 compatible:
14 oneOf:
15 - enum:
16 - fsl,imx8-ddr-pmu
17 - fsl,imx8m-ddr-pmu
18 - fsl,imx8mq-ddr-pmu
19 - fsl,imx8mm-ddr-pmu
20 - fsl,imx8mn-ddr-pmu
21 - fsl,imx8mp-ddr-pmu
22 - fsl,imx93-ddr-pmu
23 - items:
24 - enum:
25 - fsl,imx8mm-ddr-pmu
26 - fsl,imx8mn-ddr-pmu
27 - fsl,imx8mq-ddr-pmu
28 - fsl,imx8mp-ddr-pmu
29 - const: fsl,imx8m-ddr-pmu
30 - items:
31 - const: fsl,imx8dxl-ddr-pmu
32 - const: fsl,imx8-ddr-pmu
33 - items:
34 - const: fsl,imx95-ddr-pmu
35 - const: fsl,imx93-ddr-pmu
36
37 reg:
38 maxItems: 1
39
40 interrupts:
41 maxItems: 1
42
43 required:
44 - compatible
45 - reg
46 - interrupts
47
48 additionalProperties: false
49
50 examples:
51 - |
52 #include <dt-bindings/interrupt-controller/arm-gic.h>
53
54 ddr-pmu@5c020000 {
55 compatible = "fsl,imx8-ddr-pmu";
56 reg = <0x5c020000 0x10000>;
57 interrupt-parent = <&gic>;
58 interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>;
59 };
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