1 # SPDX-License-Identifier: (GPL-2.0-only OR BS 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/pinctrl/fsl 4 $id: http://devicetree.org/schemas/pinctrl/fsl,scu-pinctrl.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: i.MX SCU Client Device Node - Pinctrl B 7 title: i.MX SCU Client Device Node - Pinctrl Based on SCU Message Protocol
8 8
9 maintainers: 9 maintainers:
10 - Dong Aisheng <aisheng.dong@nxp.com> 10 - Dong Aisheng <aisheng.dong@nxp.com>
11 11
12 description: i.MX SCU Client Device Node 12 description: i.MX SCU Client Device Node
13 Client nodes are maintained as children of t 13 Client nodes are maintained as children of the relevant IMX-SCU device node.
14 This binding uses the i.MX common pinctrl bi 14 This binding uses the i.MX common pinctrl binding.
15 (Documentation/devicetree/bindings/pinctrl/f 15 (Documentation/devicetree/bindings/pinctrl/fsl,imx-pinctrl.txt)
16 16
17 allOf: 17 allOf:
18 - $ref: pinctrl.yaml# 18 - $ref: pinctrl.yaml#
19 19
20 properties: 20 properties:
21 compatible: 21 compatible:
22 enum: 22 enum:
23 - fsl,imx8qm-iomuxc 23 - fsl,imx8qm-iomuxc
24 - fsl,imx8qxp-iomuxc 24 - fsl,imx8qxp-iomuxc
25 - fsl,imx8dxl-iomuxc 25 - fsl,imx8dxl-iomuxc
26 26
27 patternProperties: 27 patternProperties:
28 'grp$': 28 'grp$':
29 type: object 29 type: object
30 description: 30 description:
31 Pinctrl node's client devices use subnod 31 Pinctrl node's client devices use subnodes for desired pin configuration.
32 Client device subnodes use below standar 32 Client device subnodes use below standard properties.
33 33
34 properties: 34 properties:
35 fsl,pins: 35 fsl,pins:
36 description: 36 description:
37 each entry consists of 3 integers an 37 each entry consists of 3 integers and represents the pin ID, the mux value
38 and pad setting for the pin. The fir 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, 39 specified using a PIN_FUNC_ID macro, which can be found in
40 <include/dt-bindings/pinctrl/pads-im 40 <include/dt-bindings/pinctrl/pads-imx8qxp.h>. The last integer is
41 the pad setting value like pull-up o 41 the pad setting value like pull-up on this pin. Please refer to the
42 appropriate i.MX8 Reference Manual f 42 appropriate i.MX8 Reference Manual for detailed pad CONFIG settings.
43 $ref: /schemas/types.yaml#/definitions 43 $ref: /schemas/types.yaml#/definitions/uint32-matrix
44 items: 44 items:
45 items: 45 items:
46 - description: | 46 - description: |
47 "pin_id" indicates the pin ID 47 "pin_id" indicates the pin ID
48 - description: | 48 - description: |
49 "mux_val" indicates the mux va 49 "mux_val" indicates the mux value to be applied.
50 - description: | 50 - description: |
51 "pad_setting" indicates the pa 51 "pad_setting" indicates the pad configuration value to be applied.
52 52
53 required: 53 required:
54 - fsl,pins 54 - fsl,pins
55 55
56 additionalProperties: false 56 additionalProperties: false
57 57
58 required: 58 required:
59 - compatible 59 - compatible
60 60
61 additionalProperties: false 61 additionalProperties: false
62 62
63 examples: 63 examples:
64 - | 64 - |
65 pinctrl { 65 pinctrl {
66 compatible = "fsl,imx8qxp-iomuxc"; 66 compatible = "fsl,imx8qxp-iomuxc";
67 67
68 pinctrl_lpuart0: lpuart0grp { 68 pinctrl_lpuart0: lpuart0grp {
69 fsl,pins = < 69 fsl,pins = <
70 111 0 0x06000020 70 111 0 0x06000020
71 112 0 0x06000020 71 112 0 0x06000020
72 >; 72 >;
73 }; 73 };
74 }; 74 };
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