xref: /linux/Documentation/devicetree/bindings/pinctrl/nxp,lpc1850-scu.yaml (revision 186f3edfdd41f2ae87fc40a9ccba52a3bf930994)

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pinctrl/nxp,lpc1850-scu.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: NXP LPC18xx/43xx SCU pin controller

description:
  Not all pins support all pin generic node properties so either refer to
  the NXP 1850/4350 user manual or the pin table in the pinctrl-lpc18xx
  driver for supported pin properties.

maintainers:
  - Frank Li <Frank.Li@nxp.com>

properties:
  compatible:
    const: nxp,lpc1850-scu

  reg:
    maxItems: 1

  clocks:
    maxItems: 1

patternProperties:
  '-pins$':
    type: object
    additionalProperties: false

    patternProperties:
      '_cfg$':
        type: object

        allOf:
          - $ref: pincfg-node.yaml#
          - $ref: pinmux-node.yaml#

        unevaluatedProperties: false

        properties:
          nxp,gpio-pin-interrupt:
            $ref: /schemas/types.yaml#/definitions/uint32
            minimum: 0
            maximum: 7
            description:
              Assign pin to gpio pin interrupt controller
              irq number 0 to 7. See example below.

required:
  - compatible
  - reg
  - clocks

allOf:
  - $ref: pinctrl.yaml#

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/clock/lpc18xx-ccu.h>

    pinctrl@40086000 {
        compatible = "nxp,lpc1850-scu";
        reg = <0x40086000 0x1000>;
        clocks = <&ccu1 CLK_CPU_SCU>;

        gpio-joystick-pins {
            gpio-joystick-1_cfg {
                pins = "p9_0";
                function = "gpio";
                nxp,gpio-pin-interrupt = <0>;
                input-enable;
                bias-disable;
            };
        };
    };