xref: /linux/Documentation/devicetree/bindings/sound/mediatek,mt8196-afe.yaml (revision 9611c0ce215a66770ccbe5c126bf57ba8c31bcad)

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/mediatek,mt8196-afe.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: MediaTek Audio Front End PCM controller for MT8196

maintainers:
  - Darren Ye <darren.ye@mediatek.com>

properties:
  compatible:
    const: mediatek,mt8196-afe

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  memory-region:
    maxItems: 1

  power-domains:
    maxItems: 1

  clocks:
    items:
      - description: mux for audio intbus
      - description: mux for audio engen1
      - description: mux for audio engen2
      - description: mux for audio h
      - description: audio apll1 clock
      - description: audio apll2 clock
      - description: audio apll12 divide for i2sin0
      - description: audio apll12 divide for i2sin1
      - description: audio apll12 divide for fmi2s
      - description: audio apll12 divide for tdmout mck
      - description: audio apll12 divide for tdmout bck
      - description: mux for adsp clock

  clock-names:
    items:
      - const: top_aud_intbus
      - const: top_aud_eng1
      - const: top_aud_eng2
      - const: top_aud_h
      - const: apll1
      - const: apll2
      - const: apll12_div_i2sin0
      - const: apll12_div_i2sin1
      - const: apll12_div_fmi2s
      - const: apll12_div_tdmout_m
      - const: apll12_div_tdmout_b
      - const: top_adsp

required:
  - compatible
  - reg
  - interrupts
  - memory-region
  - power-domains
  - clocks
  - clock-names

additionalProperties: false

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

    soc {
        #address-cells = <2>;
        #size-cells = <2>;

        afe@1a110000 {
            compatible = "mediatek,mt8196-afe";
            reg = <0 0x1a110000 0 0x9000>;
            interrupts = <GIC_SPI 351 IRQ_TYPE_LEVEL_HIGH 0>;
            memory-region = <&afe_dma_mem_reserved>;
            power-domains = <&scpsys 14>; //MT8196_POWER_DOMAIN_AUDIO
            pinctrl-names = "default";
            pinctrl-0 = <&aud_pins_default>;
            clocks = <&vlp_cksys_clk 40>, //CLK_VLP_CK_AUD_INTBUS_SEL
                     <&vlp_cksys_clk 38>, //CLK_VLP_CK_AUD_ENGEN1_SEL
                     <&vlp_cksys_clk 39>, //CLK_VLP_CK_AUD_ENGEN2_SEL
                     <&vlp_cksys_clk 37>, //CLK_VLP_CK_AUDIO_H_SEL
                     <&vlp_cksys_clk 0>, //CLK_VLP_CK_VLP_APLL1
                     <&vlp_cksys_clk 1>, //CLK_VLP_CK_VLP_APLL2
                     <&cksys_clk 80>, //CLK_CK_APLL12_CK_DIV_I2SIN0
                     <&cksys_clk 81>, //CLK_CK_APLL12_CK_DIV_I2SIN1
                     <&cksys_clk 92>, //CLK_CK_APLL12_CK_DIV_FMI2S
                     <&cksys_clk 93>, //CLK_CK_APLL12_CK_DIV_TDMOUT_M
                     <&cksys_clk 94>, //CLK_CK_APLL12_CK_DIV_TDMOUT_B
                     <&cksys_clk 45>; //CLK_CK_ADSP_SEL
            clock-names = "top_aud_intbus",
                          "top_aud_eng1",
                          "top_aud_eng2",
                          "top_aud_h",
                          "apll1",
                          "apll2",
                          "apll12_div_i2sin0",
                          "apll12_div_i2sin1",
                          "apll12_div_fmi2s",
                          "apll12_div_tdmout_m",
                          "apll12_div_tdmout_b",
                          "top_adsp";
        };
    };

...