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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/pinctrl/fsl,scu-pinctrl.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: i.MX SCU Client Device Node - Pinctrl bindings based on SCU Message Protocol
    8 
    9 maintainers:
   10   - Dong Aisheng <aisheng.dong@nxp.com>
   11 
   12 description: i.MX SCU Client Device Node
   13   Client nodes are maintained as children of the relevant IMX-SCU device node.
   14   This binding uses the i.MX common pinctrl binding.
   15   (Documentation/devicetree/bindings/pinctrl/fsl,imx-pinctrl.txt)
   16 
   17 allOf:
   18   - $ref: pinctrl.yaml#
   19 
   20 properties:
   21   compatible:
   22     enum:
   23       - fsl,imx8qm-iomuxc
   24       - fsl,imx8qxp-iomuxc
   25       - fsl,imx8dxl-iomuxc
   26 
   27 patternProperties:
   28   'grp$':
   29     type: object
   30     description:
   31       Pinctrl node's client devices use subnodes for desired pin configuration.
   32       Client device subnodes use below standard properties.
   33 
   34     properties:
   35       fsl,pins:
   36         description:
   37           each entry consists of 3 integers and represents the pin ID, the mux value
   38           and pad setting for the pin. The first 2 integers - pin_id and mux_val - are
   39           specified using a PIN_FUNC_ID macro, which can be found in
   40           <include/dt-bindings/pinctrl/pads-imx8qxp.h>. The last integer is
   41           the pad setting value like pull-up on this pin. Please refer to the
   42           appropriate i.MX8 Reference Manual for detailed pad CONFIG settings.
   43         $ref: /schemas/types.yaml#/definitions/uint32-matrix
   44         items:
   45           items:
   46             - description: |
   47                 "pin_id" indicates the pin ID
   48             - description: |
   49                 "mux_val" indicates the mux value to be applied.
   50             - description: |
   51                 "pad_setting" indicates the pad configuration value to be applied.
   52 
   53     required:
   54       - fsl,pins
   55 
   56     additionalProperties: false
   57 
   58 required:
   59   - compatible
   60 
   61 additionalProperties: false
   62 
   63 examples:
   64   - |
   65     pinctrl {
   66         compatible = "fsl,imx8qxp-iomuxc";
   67 
   68         pinctrl_lpuart0: lpuart0grp {
   69             fsl,pins = <
   70                 111 0 0x06000020
   71                 112 0 0x06000020
   72             >;
   73         };
   74     };
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