xref: /openbmc/linux/Documentation/devicetree/bindings/mfd/x-powers,ac100.yaml (revision 59f031c0)

# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: "http://devicetree.org/schemas/mfd/x-powers,ac100.yaml#"
$schema: "http://devicetree.org/meta-schemas/core.yaml#"

title: X-Powers AC100 Device Tree Bindings

maintainers:
  - Chen-Yu Tsai <wens@csie.org>

properties:
  compatible:
    const: x-powers,ac100

  reg:
    maxItems: 1

  codec:
    type: object

    properties:
      "#clock-cells":
        const: 0

      compatible:
        const: x-powers,ac100-codec

      interrupts:
        maxItems: 1

      clock-output-names:
        maxItems: 1
        description: >
          Name of the 4M_adda clock exposed by the codec

    required:
      - "#clock-cells"
      - compatible
      - interrupts
      - clock-output-names

    additionalProperties: false

  rtc:
    type: object

    properties:
      "#clock-cells":
        const: 1

      compatible:
        const: x-powers,ac100-rtc

      interrupts:
        maxItems: 1

      clocks:
        maxItems: 1
        description: >
           A phandle to the codec's "4M_adda" clock

      clock-output-names:
        maxItems: 3
        description: >
          Name of the cko1, cko2 and cko3 clocks exposed by the codec

    required:
      - "#clock-cells"
      - compatible
      - interrupts
      - clocks
      - clock-output-names

    additionalProperties: false

required:
  - compatible
  - reg
  - codec
  - rtc

additionalProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/irq.h>

    rsb {
        #address-cells = <1>;
        #size-cells = <0>;

        codec@e89 {
            compatible = "x-powers,ac100";
            reg = <0xe89>;

            ac100_codec: codec {
                compatible = "x-powers,ac100-codec";
                interrupt-parent = <&r_pio>;
                interrupts = <0 9 IRQ_TYPE_LEVEL_LOW>; /* PL9 */
                #clock-cells = <0>;
                clock-output-names = "4M_adda";
            };

            ac100_rtc: rtc {
                compatible = "x-powers,ac100-rtc";
                interrupt-parent = <&nmi_intc>;
                interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
                clocks = <&ac100_codec>;
                #clock-cells = <1>;
                clock-output-names = "cko1_rtc", "cko2_rtc", "cko3_rtc";
            };
        };
    };

...