Documentation / devicetree / bindings / pinctrl / nxp,lpc1850-scu.yaml


Based on kernel version 6.17. Page generated on 2025-10-03 10:04 EST.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79
# 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;
            };
        };
    };