mediatek,mt8365-afe.yaml

  1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/sound/mediatek,mt8365-afe.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: MediaTek Audio Front End PCM controller for MT8365
  8
  9maintainers:
 10  - Alexandre Mergnat <amergnat@baylibre.com>
 11
 12properties:
 13  compatible:
 14    const: mediatek,mt8365-afe-pcm
 15
 16  reg:
 17    maxItems: 1
 18
 19  "#sound-dai-cells":
 20    const: 0
 21
 22  clocks:
 23    items:
 24      - description: 26M clock
 25      - description: mux for audio clock
 26      - description: audio i2s0 mck
 27      - description: audio i2s1 mck
 28      - description: audio i2s2 mck
 29      - description: audio i2s3 mck
 30      - description: engen 1 clock
 31      - description: engen 2 clock
 32      - description: audio 1 clock
 33      - description: audio 2 clock
 34      - description: mux for i2s0
 35      - description: mux for i2s1
 36      - description: mux for i2s2
 37      - description: mux for i2s3
 38
 39  clock-names:
 40    items:
 41      - const: top_clk26m_clk
 42      - const: top_audio_sel
 43      - const: audio_i2s0_m
 44      - const: audio_i2s1_m
 45      - const: audio_i2s2_m
 46      - const: audio_i2s3_m
 47      - const: engen1
 48      - const: engen2
 49      - const: aud1
 50      - const: aud2
 51      - const: i2s0_m_sel
 52      - const: i2s1_m_sel
 53      - const: i2s2_m_sel
 54      - const: i2s3_m_sel
 55
 56  interrupts:
 57    maxItems: 1
 58
 59  power-domains:
 60    maxItems: 1
 61
 62  mediatek,dmic-mode:
 63    $ref: /schemas/types.yaml#/definitions/uint32
 64    description:
 65      Indicates how many data pins are used to transmit two channels of PDM
 66      signal. 1 means two wires, 0 means one wire. Default value is 0.
 67    enum:
 68      - 0 # one wire
 69      - 1 # two wires
 70
 71required:
 72  - compatible
 73  - reg
 74  - clocks
 75  - clock-names
 76  - interrupts
 77  - power-domains
 78
 79additionalProperties: false
 80
 81examples:
 82  - |
 83    #include <dt-bindings/clock/mediatek,mt8365-clk.h>
 84    #include <dt-bindings/interrupt-controller/arm-gic.h>
 85    #include <dt-bindings/interrupt-controller/irq.h>
 86    #include <dt-bindings/power/mediatek,mt8365-power.h>
 87
 88    soc {
 89        #address-cells = <2>;
 90        #size-cells = <2>;
 91
 92        audio-controller@11220000 {
 93            compatible = "mediatek,mt8365-afe-pcm";
 94            reg = <0 0x11220000 0 0x1000>;
 95            #sound-dai-cells = <0>;
 96            clocks = <&clk26m>,
 97                     <&topckgen CLK_TOP_AUDIO_SEL>,
 98                     <&topckgen CLK_TOP_AUD_I2S0_M>,
 99                     <&topckgen CLK_TOP_AUD_I2S1_M>,
100                     <&topckgen CLK_TOP_AUD_I2S2_M>,
101                     <&topckgen CLK_TOP_AUD_I2S3_M>,
102                     <&topckgen CLK_TOP_AUD_ENGEN1_SEL>,
103                     <&topckgen CLK_TOP_AUD_ENGEN2_SEL>,
104                     <&topckgen CLK_TOP_AUD_1_SEL>,
105                     <&topckgen CLK_TOP_AUD_2_SEL>,
106                     <&topckgen CLK_TOP_APLL_I2S0_SEL>,
107                     <&topckgen CLK_TOP_APLL_I2S1_SEL>,
108                     <&topckgen CLK_TOP_APLL_I2S2_SEL>,
109                     <&topckgen CLK_TOP_APLL_I2S3_SEL>;
110            clock-names = "top_clk26m_clk",
111                          "top_audio_sel",
112                          "audio_i2s0_m",
113                          "audio_i2s1_m",
114                          "audio_i2s2_m",
115                          "audio_i2s3_m",
116                          "engen1",
117                          "engen2",
118                          "aud1",
119                          "aud2",
120                          "i2s0_m_sel",
121                          "i2s1_m_sel",
122                          "i2s2_m_sel",
123                          "i2s3_m_sel";
124            interrupts = <GIC_SPI 97 IRQ_TYPE_LEVEL_LOW>;
125            power-domains = <&spm MT8365_POWER_DOMAIN_AUDIO>;
126            mediatek,dmic-mode = <1>;
127        };
128    };
129
130...