xref: /kernel/linux/linux-6.6/Documentation/devicetree/bindings/misc/ge-achc.yaml (revision 62306a36)

# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
# Copyright (C) 2021 GE Inc.
# Copyright (C) 2021 Collabora Ltd.
%YAML 1.2
---
$id: http://devicetree.org/schemas/misc/ge-achc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: GE Healthcare USB Management Controller

description: |
  A device which handles data acquisition from compatible USB based peripherals.
  SPI is used for device management.

  Note: This device does not expose the peripherals as USB devices.

maintainers:
  - Sebastian Reichel <sre@kernel.org>

properties:
  compatible:
    items:
      - const: ge,achc
      - const: nxp,kinetis-k20

  clocks:
    maxItems: 1

  vdd-supply:
    description: Digital power supply regulator on VDD pin

  vdda-supply:
    description: Analog power supply regulator on VDDA pin

  reg:
    items:
      - description: Control interface
      - description: Firmware programming interface

  reset-gpios:
    description: GPIO used for hardware reset.
    maxItems: 1

required:
  - compatible
  - clocks
  - reg
  - reset-gpios

additionalProperties: false

examples:
  - |
    #include <dt-bindings/gpio/gpio.h>
    spi {
        #address-cells = <1>;
        #size-cells = <0>;

        spi@1 {
            compatible = "ge,achc", "nxp,kinetis-k20";
            reg = <1>, <0>;
            clocks = <&achc_24M>;
            reset-gpios = <&gpio3 6 GPIO_ACTIVE_LOW>;
        };
    };