xref: /openbmc/linux/Documentation/devicetree/bindings/sound/mediatek,mt7986-afe.yaml (revision c900529f3d9161bfde5cca0754f83b4d3c3e0220)

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/mediatek,mt7986-afe.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: MediaTek AFE PCM controller for MT7986

maintainers:
  - Maso Huang <maso.huang@mediatek.com>

properties:
  compatible:
    oneOf:
      - const: mediatek,mt7986-afe
      - items:
          - enum:
              - mediatek,mt7981-afe
              - mediatek,mt7988-afe
          - const: mediatek,mt7986-afe

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  clocks:
    minItems: 5
    items:
      - description: audio bus clock
      - description: audio 26M clock
      - description: audio intbus clock
      - description: audio hopping clock
      - description: audio pll clock
      - description: mux for pcm_mck
      - description: audio i2s/pcm mck

  clock-names:
    minItems: 5
    items:
      - const: bus_ck
      - const: 26m_ck
      - const: l_ck
      - const: aud_ck
      - const: eg2_ck
      - const: sel
      - const: i2s_m

required:
  - compatible
  - reg
  - interrupts
  - clocks
  - clock-names

allOf:
  - if:
      properties:
        compatible:
          contains:
            const: mediatek,mt7986-afe
    then:
      properties:
        clocks:
          items:
            - description: audio bus clock
            - description: audio 26M clock
            - description: audio intbus clock
            - description: audio hopping clock
            - description: audio pll clock
        clock-names:
          items:
            - const: bus_ck
            - const: 26m_ck
            - const: l_ck
            - const: aud_ck
            - const: eg2_ck

  - if:
      properties:
        compatible:
          contains:
            const: mediatek,mt7981-afe
    then:
      properties:
        clocks:
          items:
            - description: audio bus clock
            - description: audio 26M clock
            - description: audio intbus clock
            - description: audio hopping clock
            - description: audio pll clock
            - description: mux for pcm_mck
        clock-names:
          items:
            - const: bus_ck
            - const: 26m_ck
            - const: l_ck
            - const: aud_ck
            - const: eg2_ck
            - const: sel

  - if:
      properties:
        compatible:
          contains:
            const: mediatek,mt7988-afe
    then:
      properties:
        clocks:
          items:
            - description: audio bus clock
            - description: audio 26M clock
            - description: audio intbus clock
            - description: audio hopping clock
            - description: audio pll clock
            - description: mux for pcm_mck
            - description: audio i2s/pcm mck
        clock-names:
          items:
            - const: bus_ck
            - const: 26m_ck
            - const: l_ck
            - const: aud_ck
            - const: eg2_ck
            - const: sel
            - const: i2s_m

additionalProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    #include <dt-bindings/interrupt-controller/irq.h>
    #include <dt-bindings/clock/mt7986-clk.h>

    afe@11210000 {
        compatible = "mediatek,mt7986-afe";
        reg = <0x11210000 0x9000>;
        interrupts = <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>;
        clocks = <&infracfg_ao CLK_INFRA_AUD_BUS_CK>,
                 <&infracfg_ao CLK_INFRA_AUD_26M_CK>,
                 <&infracfg_ao CLK_INFRA_AUD_L_CK>,
                 <&infracfg_ao CLK_INFRA_AUD_AUD_CK>,
                 <&infracfg_ao CLK_INFRA_AUD_EG2_CK>;
        clock-names = "bus_ck",
                      "26m_ck",
                      "l_ck",
                      "aud_ck",
                      "eg2_ck";
        assigned-clocks = <&topckgen CLK_TOP_A1SYS_SEL>,
                          <&topckgen CLK_TOP_AUD_L_SEL>,
                          <&topckgen CLK_TOP_A_TUNER_SEL>;
        assigned-clock-parents = <&topckgen CLK_TOP_APLL2_D4>,
                                 <&apmixedsys CLK_APMIXED_APLL2>,
                                 <&topckgen CLK_TOP_APLL2_D4>;
    };

...