xref: /linux/Documentation/devicetree/bindings/pinctrl/toshiba,visconti-pinctrl.yaml (revision 4fd18fc38757217c746aa063ba9e4729814dc737) 
1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/pinctrl/toshiba,visconti-pinctrl.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Toshiba Visconti TMPV770x pin mux/config controller
8
9maintainers:
10  - Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
11
12description:
13  Toshiba's Visconti ARM SoC a pin mux/config controller.
14
15properties:
16  compatible:
17    enum:
18      - toshiba,tmpv7708-pinctrl
19
20  reg:
21    maxItems: 1
22
23required:
24  - compatible
25  - reg
26
27patternProperties:
28  '-pins$':
29    type: object
30    description: |
31      A pinctrl node should contain at least one subnodes representing the
32      pinctrl groups available on the machine. Each subnode will list the
33      pins it needs, and how they should be configured, with regard to muxer
34      configuration, pullups, drive strength.
35    $ref: "pinmux-node.yaml"
36
37    properties:
38      function:
39        description:
40          Function to mux.
41        $ref: "/schemas/types.yaml#/definitions/string"
42        enum: [i2c0, i2c1, i2c2, i2c3, i2c4, i2c5, i2c6, i2c7, i2c8,
43               spi0, spi1, spi2, spi3, spi4, spi5, spi6,
44               uart0, uart1, uart2, uart3, pwm, pcmif_out, pcmif_in]
45
46      groups:
47        description:
48          Name of the pin group to use for the functions.
49        $ref: "/schemas/types.yaml#/definitions/string"
50        enum: [i2c0_grp, i2c1_grp, i2c2_grp, i2c3_grp, i2c4_grp,
51               i2c5_grp, i2c6_grp, i2c7_grp, i2c8_grp,
52               spi0_grp, spi0_cs0_grp, spi0_cs1_grp, spi0_cs2_grp,
53               spi1_grp, spi2_grp, spi3_grp, spi4_grp, spi5_grp, spi6_grp,
54               uart0_grp, uart1_grp, uart2_grp, uart3_grp,
55               pwm0_gpio4_grp, pwm0_gpio8_grp, pwm0_gpio12_grp,
56               pwm0_gpio16_grp, pwm1_gpio5_grp, pwm1_gpio9_grp,
57               pwm1_gpio13_grp, pwm1_gpio17_grp, pwm2_gpio6_grp,
58               pwm2_gpio10_grp, pwm2_gpio14_grp, pwm2_gpio18_grp,
59               pwm3_gpio7_grp, pwm3_gpio11_grp, pwm3_gpio15_grp,
60               pwm3_gpio19_grp, pcmif_out_grp, pcmif_in_grp]
61
62      drive-strength:
63        enum: [2, 4, 6, 8, 16, 24, 32]
64        default: 2
65        description:
66          Selects the drive strength for the specified pins, in mA.
67
68      bias-pull-up: true
69
70      bias-pull-down: true
71
72      bias-disable: true
73
74additionalProperties: false
75
76examples:
77  # Pinmux controller node
78  - |
79    soc {
80        #address-cells = <2>;
81        #size-cells = <2>;
82
83        pmux: pmux@24190000 {
84            compatible = "toshiba,tmpv7708-pinctrl";
85            reg = <0 0x24190000 0 0x10000>;
86
87            spi0_pins: spi0-pins {
88                function = "spi0";
89                groups = "spi0_grp";
90            };
91        };
92    };
93