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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 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     };