fsl,imx-src.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/reset/fsl,imx-src.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Freescale i.MX System Reset Controller
    8 
    9 maintainers:
   10   - Philipp Zabel <p.zabel@pengutronix.de>
   11 
   12 description: |
   13   The system reset controller can be used to reset the GPU, VPU,
   14   IPU, and OpenVG IP modules on i.MX5 and i.MX6 ICs. Those device
   15   nodes should specify the reset line on the SRC in their resets
   16   property, containing a phandle to the SRC device node and a
   17   RESET_INDEX specifying which module to reset, as described in
   18   reset.txt
   19 
   20   The following RESET_INDEX values are valid for i.MX5:
   21     GPU_RESET     0
   22     VPU_RESET     1
   23     IPU1_RESET    2
   24     OPEN_VG_RESET 3
   25   The following additional RESET_INDEX value is valid for i.MX6:
   26     IPU2_RESET    4
   27 
   28 properties:
   29   compatible:
   30     oneOf:
   31       - const: "fsl,imx51-src"
   32       - items:
   33           - const: "fsl,imx50-src"
   34           - const: "fsl,imx51-src"
   35       - items:
   36           - const: "fsl,imx53-src"
   37           - const: "fsl,imx51-src"
   38       - items:
   39           - const: "fsl,imx6q-src"
   40           - const: "fsl,imx51-src"
   41       - items:
   42           - const: "fsl,imx6sx-src"
   43           - const: "fsl,imx51-src"
   44       - items:
   45           - const: "fsl,imx6sl-src"
   46           - const: "fsl,imx51-src"
   47       - items:
   48           - const: "fsl,imx6ul-src"
   49           - const: "fsl,imx51-src"
   50       - items:
   51           - const: "fsl,imx6sll-src"
   52           - const: "fsl,imx51-src"
   53 
   54   reg:
   55     maxItems: 1
   56 
   57   interrupts:
   58     items:
   59       - description: SRC interrupt
   60       - description: CPU WDOG interrupts out of SRC
   61     minItems: 1
   62 
   63   '#reset-cells':
   64     const: 1
   65 
   66 required:
   67   - compatible
   68   - reg
   69   - interrupts
   70   - '#reset-cells'
   71 
   72 additionalProperties: false
   73 
   74 examples:
   75   - |
   76     reset-controller@73fd0000 {
   77         compatible = "fsl,imx51-src";
   78         reg = <0x73fd0000 0x4000>;
   79         interrupts = <75>;
   80         #reset-cells = <1>;
   81     };

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sys/contrib/device-tree/Bindings/reset/fsl,imx-src.yaml