1 # SPDX-License-Identifier: GPL-2.0
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/pinctrl/fsl,imx7d-pinctrl.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Freescale IMX7D IOMUX Controller
8
9 maintainers:
10 - Dong Aisheng <aisheng.dong@nxp.com>
11
12 description:
13 Please refer to fsl,imx-pinctrl.txt and pinctrl-bindings.txt in this directory
14 for common binding part and usage.
15
16 properties:
17 compatible:
18 oneOf:
19 - enum:
20 - fsl,imx7d-iomuxc
21 - fsl,imx7d-iomuxc-lpsr
22
23 reg:
24 maxItems: 1
25
26 fsl,input-sel:
27 description:
28 phandle for main iomuxc controller which shares the input select
29 register for daisy chain settings.
30 $ref: /schemas/types.yaml#/definitions/phandle
31
32 # Client device subnode's properties
33 patternProperties:
34 'grp$':
35 type: object
36 description:
37 Pinctrl node's client devices use subnodes for desired pin configuration.
38 Client device subnodes use below standard properties.
39
40 properties:
41 fsl,pins:
42 description:
43 each entry consists of 6 integers and represents the mux and config
44 setting for one pin. The first 5 integers <mux_reg conf_reg input_reg
45 mux_val input_val> are specified using a PIN_FUNC_ID macro, which can
46 be found in <arch/arm/boot/dts/imx7d-pinfunc.h>. The last integer
47 CONFIG is the pad setting value like pull-up on this pin. Please
48 refer to i.MX7D Reference Manual for detailed CONFIG settings.
49 $ref: /schemas/types.yaml#/definitions/uint32-matrix
50 items:
51 items:
52 - description: |
53 "mux_reg" indicates the offset of mux register.
54 - description: |
55 "conf_reg" indicates the offset of pad configuration register.
56 - description: |
57 "input_reg" indicates the offset of select input register.
58 - description: |
59 "mux_val" indicates the mux value to be applied.
60 - description: |
61 "input_val" indicates the select input value to be applied.
62 - description: |
63 "pad_setting" indicates the pad configuration value to be applied.
64
65 required:
66 - fsl,pins
67
68 additionalProperties: false
69
70 allOf:
71 - $ref: pinctrl.yaml#
72
73 required:
74 - compatible
75 - reg
76
77 if:
78 properties:
79 compatible:
80 contains:
81 enum:
82 - fsl,imx7d-iomuxc-lpsr
83
84 then:
85 required:
86 - fsl,input-sel
87
88 additionalProperties: false
89
90 examples:
91 - |
92 iomuxc: pinctrl@30330000 {
93 compatible = "fsl,imx7d-iomuxc";
94 reg = <0x30330000 0x10000>;
95
96 pinctrl_uart5: uart5grp {
97 fsl,pins =
98 <0x0160 0x03D0 0x0714 0x1 0x0 0x7e>,
99 <0x0164 0x03D4 0x0000 0x1 0x0 0x76>;
100 };
101 };
102 - |
103 iomuxc_lpsr: pinctrl@302c0000 {
104 compatible = "fsl,imx7d-iomuxc-lpsr";
105 reg = <0x302c0000 0x10000>;
106 fsl,input-sel = <&iomuxc>;
107
108 pinctrl_gpio_lpsr: gpio1-grp {
109 fsl,pins =
110 <0x0008 0x0038 0x0000 0x0 0x0 0x59>,
111 <0x000C 0x003C 0x0000 0x0 0x0 0x59>;
112 };
113 };
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