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