summaryrefslogtreecommitdiffstats
path: root/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml
blob: ef18a572a1ff385d7ca91726c2e5f2972d1bfb70 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/qcom,lpass-cpu.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm Technologies Inc. LPASS CPU dai driver bindings

maintainers:
  - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
  - Rohit kumar <rohitkr@codeaurora.org>

description: |
  Qualcomm Technologies Inc. SOC Low-Power Audio SubSystem (LPASS) that consist
  of MI2S interface for audio data transfer on external codecs. LPASS cpu driver
  is a module to configure Low-Power Audio Interface(LPAIF) core registers
  across different IP versions.

properties:
  compatible:
    enum:
      - qcom,lpass-cpu
      - qcom,apq8016-lpass-cpu
      - qcom,sc7180-lpass-cpu
      - qcom,sc7280-lpass-cpu

  reg:
    minItems: 1
    maxItems: 6
    description: LPAIF core registers

  reg-names:
    minItems: 1
    maxItems: 6

  clocks:
    minItems: 3
    maxItems: 7

  clock-names:
    minItems: 1
    maxItems: 10

  interrupts:
    minItems: 1
    maxItems: 4
    description: LPAIF DMA buffer interrupt

  interrupt-names:
    minItems: 1
    maxItems: 4

  qcom,adsp:
    $ref: /schemas/types.yaml#/definitions/phandle
    description: Phandle for the audio DSP node

  iommus:
    minItems: 2
    maxItems: 3
    description: Phandle to apps_smmu node with sid mask

  power-domains:
    maxItems: 1

  power-domain-names:
    maxItems: 1

  '#sound-dai-cells':
    const: 1

  '#address-cells':
    const: 1

  '#size-cells':
    const: 0

patternProperties:
  "^dai-link@[0-9a-f]$":
    type: object
    description: |
      LPASS CPU dai node for each I2S device or Soundwire device. Bindings of each node
      depends on the specific driver providing the functionality and
      properties.
    properties:
      reg:
        maxItems: 1
        description: Must be one of the DAI ID

      qcom,playback-sd-lines:
        $ref: /schemas/types.yaml#/definitions/uint32-array
        description: list of MI2S data lines for playback

      qcom,capture-sd-lines:
        $ref: /schemas/types.yaml#/definitions/uint32-array
        description: list of MI2S data lines for capture

    required:
      - reg

    additionalProperties: false

required:
  - compatible
  - reg
  - reg-names
  - clocks
  - clock-names
  - interrupts
  - interrupt-names
  - '#sound-dai-cells'

additionalProperties: false

allOf:
  - if:
      properties:
        compatible:
          contains:
            const: qcom,lpass-cpu

    then:
      properties:
        clock-names:
          items:
            - const: ahbix-clk
            - const: mi2s-osr-clk
            - const: mi2s-bit-clk

  - if:
      properties:
        compatible:
          contains:
            const: qcom,apq8016-lpass-cpu

    then:
      properties:
        clock-names:
          items:
            - const: ahbix-clk
            - const: mi2s-bit-clk0
            - const: mi2s-bit-clk1
            - const: mi2s-bit-clk2
            - const: mi2s-bit-clk3
            - const: pcnoc-mport-clk
            - const: pcnoc-sway-clk

  - if:
      properties:
        compatible:
          contains:
            const: qcom,sc7180-lpass-cpu

    then:
      properties:
        clock-names:
          oneOf:
            - items:   #for I2S
                - const: pcnoc-sway-clk
                - const: audio-core
                - const: mclk0
                - const: pcnoc-mport-clk
                - const: mi2s-bit-clk0
                - const: mi2s-bit-clk1
            - items:   #for HDMI
                - const: pcnoc-sway-clk
                - const: audio-core
                - const: pcnoc-mport-clk
        reg-names:
          anyOf:
            - items:   #for I2S
                - const: lpass-lpaif
            - items:   #for I2S and HDMI
                - const: lpass-hdmiif
                - const: lpass-lpaif
        interrupt-names:
          anyOf:
            - items:   #for I2S
                - const: lpass-irq-lpaif
            - items:   #for I2S and HDMI
                - const: lpass-irq-lpaif
                - const: lpass-irq-hdmi
      required:
        - iommus
        - power-domains

  - if:
      properties:
        compatible:
          contains:
            const: qcom,sc7280-lpass-cpu

    then:
      properties:
        clock-names:
          oneOf:
            - items:   #for I2S
                - const: aon_cc_audio_hm_h
                - const: audio_cc_ext_mclk0
                - const: core_cc_sysnoc_mport_core
                - const: core_cc_ext_if0_ibit
                - const: core_cc_ext_if1_ibit
            - items:   #for Soundwire
                - const: aon_cc_audio_hm_h
                - const: audio_cc_codec_mem
                - const: audio_cc_codec_mem0
                - const: audio_cc_codec_mem1
                - const: audio_cc_codec_mem2
                - const: aon_cc_va_mem0
            - items:   #for HDMI
                - const: core_cc_sysnoc_mport_core

        reg-names:
          anyOf:
            - items:   #for I2S
                - const: lpass-lpaif
            - items:   #for I2S and HDMI
                - const: lpass-hdmiif
                - const: lpass-lpaif
            - items:   #for I2S, soundwire and HDMI
                - const: lpass-hdmiif
                - const: lpass-lpaif
                - const: lpass-rxtx-cdc-dma-lpm
                - const: lpass-rxtx-lpaif
                - const: lpass-va-lpaif
                - const: lpass-va-cdc-dma-lpm
        interrupt-names:
          anyOf:
            - items:   #for I2S
                - const: lpass-irq-lpaif
            - items:   #for I2S and HDMI
                - const: lpass-irq-lpaif
                - const: lpass-irq-hdmi
            - items:   #for I2S, soundwire and HDMI
                - const: lpass-irq-lpaif
                - const: lpass-irq-hdmi
                - const: lpass-irq-vaif
                - const: lpass-irq-rxtxif
        power-domain-names:
          allOf:
            - items:
                - const: lcx

      required:
        - iommus
        - power-domains

examples:
  - |
    #include <dt-bindings/sound/sc7180-lpass.h>

    soc {
        #address-cells = <2>;
        #size-cells = <2>;
        lpass@62d80000 {
            compatible = "qcom,sc7180-lpass-cpu";

            reg = <0 0x62d87000 0 0x68000>,
                  <0 0x62f00000 0 0x29000>;
            reg-names = "lpass-hdmiif",
                        "lpass-lpaif";
            iommus = <&apps_smmu 0x1020 0>,
                     <&apps_smmu 0x1032 0>;
            power-domains = <&lpass_hm 0>;

            clocks = <&gcc 131>,
                 <&lpasscorecc 6>,
                 <&lpasscorecc 7>,
                 <&lpasscorecc 10>,
                 <&lpasscorecc 8>,
                 <&lpasscorecc 9>;

            clock-names = "pcnoc-sway-clk", "audio-core",
                          "mclk0", "pcnoc-mport-clk",
                          "mi2s-bit-clk0", "mi2s-bit-clk1";

            interrupts = <0 160 1>,
                         <0 268 1>;
            interrupt-names = "lpass-irq-lpaif",
                              "lpass-irq-hdmi";
            #sound-dai-cells = <1>;

            #address-cells = <1>;
            #size-cells = <0>;
            /* Optional to set different MI2S SD lines */
            dai-link@0 {
                reg = <MI2S_PRIMARY>;
                qcom,playback-sd-lines = <1>;
                qcom,capture-sd-lines = <0>;
            };
        };
    };

...