pinctrl: Add DT bindings for Toshiba Visconti TMPV7700 SoC

# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause

%YAML 1.2

---

$id: http://devicetree.org/schemas/pinctrl/toshiba,visconti-pinctrl.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Toshiba Visconti TMPV770x pin mux/config controller

maintainers:

  - Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>

description:

  Toshiba's Visconti ARM SoC a pin mux/config controller.

properties:

  compatible:

    enum:

      - toshiba,tmpv7708-pinctrl

  reg:

    maxItems: 1

required:

  - compatible

  - reg

patternProperties:

  '-pins$':

    type: object

    description: |

      A pinctrl node should contain at least one subnodes representing the

      pinctrl groups available on the machine. Each subnode will list the

      pins it needs, and how they should be configured, with regard to muxer

      configuration, pullups, drive strength.

    $ref: "pinmux-node.yaml"

    properties:

      function:

        description:

          Function to mux.

        $ref: "/schemas/types.yaml#/definitions/string"

        enum: [i2c0, i2c1, i2c2, i2c3, i2c4, i2c5, i2c6, i2c7, i2c8,

          spi0, spi1, spi2, spi3, spi4, spi5, spi6,

          uart0, uart1, uart2, uart3, pwm, pcmif_out, pcmif_in]

      groups:

        description:

          Name of the pin group to use for the functions.

        $ref: "/schemas/types.yaml#/definitions/string"

        enum: [i2c0_grp, i2c1_grp, i2c2_grp, i2c3_grp, i2c4_grp,

          i2c5_grp, i2c6_grp, i2c7_grp, i2c8_grp,

          spi0_grp, spi0_cs0_grp, spi0_cs1_grp, spi0_cs2_grp,

          spi1_grp, spi2_grp, spi3_grp, spi4_grp, spi5_grp, spi6_grp,

          uart0_grp, uart1_grp, uart2_grp, uart3_grp,

          pwm0_gpio4_grp, pwm0_gpio8_grp, pwm0_gpio12_grp,

          pwm0_gpio16_grp, pwm1_gpio5_grp, pwm1_gpio9_grp,

          pwm1_gpio13_grp, pwm1_gpio17_grp, pwm2_gpio6_grp,

          pwm2_gpio10_grp, pwm2_gpio14_grp, pwm2_gpio18_grp,

          pwm3_gpio7_grp, pwm3_gpio11_grp, pwm3_gpio15_grp,

          pwm3_gpio19_grp, pcmif_out_grp, pcmif_in_grp]

      drive-strength:

        enum: [2, 4, 6, 8, 16, 24, 32]

        default: 2

        description:

          Selects the drive strength for the specified pins, in mA.

      bias-pull-up: true

      bias-pull-down: true

      bias-disable: true

additionalProperties: false

examples:

  # Pinmux controller node

  - |

    soc {

        #address-cells = <2>;

        #size-cells = <2>;

        pmux: pmux@24190000 {

            compatible = "toshiba,tmpv7708-pinctrl";

            reg = <0 0x24190000 0 0x10000>;

            spi0_pins: spi0-pins {

                function = "spi0";

                groups = "spi0_grp";

            };

        };

    };