xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/pinctrl/intel,lgm-io.yaml (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2*4882a593Smuzhiyun%YAML 1.2
3*4882a593Smuzhiyun---
4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/pinctrl/intel,lgm-io.yaml#
5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml#
6*4882a593Smuzhiyun
7*4882a593Smuzhiyuntitle: Intel Lightning Mountain SoC pinmux & GPIO controller binding
8*4882a593Smuzhiyun
9*4882a593Smuzhiyunmaintainers:
10*4882a593Smuzhiyun  - Rahul Tanwar <rahul.tanwar@linux.intel.com>
11*4882a593Smuzhiyun
12*4882a593Smuzhiyundescription: |
13*4882a593Smuzhiyun  Pinmux & GPIO controller controls pin multiplexing & configuration including
14*4882a593Smuzhiyun  GPIO function selection & GPIO attributes configuration.
15*4882a593Smuzhiyun
16*4882a593Smuzhiyunproperties:
17*4882a593Smuzhiyun  compatible:
18*4882a593Smuzhiyun    const: intel,lgm-io
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun  reg:
21*4882a593Smuzhiyun    maxItems: 1
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun# Client device subnode's properties
24*4882a593SmuzhiyunpatternProperties:
25*4882a593Smuzhiyun  '-pins$':
26*4882a593Smuzhiyun    type: object
27*4882a593Smuzhiyun    description:
28*4882a593Smuzhiyun      Pinctrl node's client devices use subnodes for desired pin configuration.
29*4882a593Smuzhiyun      Client device subnodes use below standard properties.
30*4882a593Smuzhiyun    $ref: pinmux-node.yaml#
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun    properties:
33*4882a593Smuzhiyun      function: true
34*4882a593Smuzhiyun      groups: true
35*4882a593Smuzhiyun      pins: true
36*4882a593Smuzhiyun      pinmux: true
37*4882a593Smuzhiyun      bias-pull-up: true
38*4882a593Smuzhiyun      bias-pull-down: true
39*4882a593Smuzhiyun      drive-strength: true
40*4882a593Smuzhiyun      slew-rate: true
41*4882a593Smuzhiyun      drive-open-drain: true
42*4882a593Smuzhiyun      output-enable: true
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun    required:
45*4882a593Smuzhiyun      - function
46*4882a593Smuzhiyun      - groups
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun    additionalProperties: false
49*4882a593Smuzhiyun
50*4882a593Smuzhiyunrequired:
51*4882a593Smuzhiyun  - compatible
52*4882a593Smuzhiyun  - reg
53*4882a593Smuzhiyun
54*4882a593SmuzhiyunadditionalProperties: false
55*4882a593Smuzhiyun
56*4882a593Smuzhiyunexamples:
57*4882a593Smuzhiyun  # Pinmux controller node
58*4882a593Smuzhiyun  - |
59*4882a593Smuzhiyun    pinctrl: pinctrl@e2880000 {
60*4882a593Smuzhiyun        compatible = "intel,lgm-io";
61*4882a593Smuzhiyun        reg = <0xe2880000 0x100000>;
62*4882a593Smuzhiyun
63*4882a593Smuzhiyun        uart0-pins {
64*4882a593Smuzhiyun             pins = <64>, /* UART_RX0 */
65*4882a593Smuzhiyun                    <65>; /* UART_TX0 */
66*4882a593Smuzhiyun             function = "CONSOLE_UART0";
67*4882a593Smuzhiyun             pinmux = <1>,
68*4882a593Smuzhiyun                      <1>;
69*4882a593Smuzhiyun             groups = "CONSOLE_UART0";
70*4882a593Smuzhiyun          };
71*4882a593Smuzhiyun    };
72*4882a593Smuzhiyun
73*4882a593Smuzhiyun...
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