xref: /freebsd/sys/contrib/device-tree/Bindings/iio/adc/aspeed,ast2400-adc.yaml (revision 5def4c47d4bd90b209b9b4a4ba9faec15846d8fd)

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/adc/aspeed,ast2400-adc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: ADC that forms part of an ASPEED server management processor.

maintainers:
  - Joel Stanley <joel@jms.id.au>

description:
  This device is a 10-bit converter for 16 voltage channels.  All inputs are
  single ended.

properties:
  compatible:
    enum:
      - aspeed,ast2400-adc
      - aspeed,ast2500-adc

  reg:
    maxItems: 1

  clocks:
    maxItems: 1
    description:
      Input clock used to derive the sample clock. Expected to be the
      SoC's APB clock.

  resets:
    maxItems: 1

  "#io-channel-cells":
    const: 1

required:
  - compatible
  - reg
  - clocks
  - resets
  - "#io-channel-cells"

additionalProperties: false

examples:
  - |
    #include <dt-bindings/clock/aspeed-clock.h>
    adc@1e6e9000 {
        compatible = "aspeed,ast2400-adc";
        reg = <0x1e6e9000 0xb0>;
        clocks = <&syscon ASPEED_CLK_APB>;
        resets = <&syscon ASPEED_RESET_ADC>;
        #io-channel-cells = <1>;
    };
...