Based on kernel version 6.11
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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 | # 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 maintainers: - Srinivas Kandagatla <srinivas.kandagatla@linaro.org> - Rohit kumar <quic_rohkumar@quicinc.com> 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: 10 clock-names: minItems: 1 maxItems: 10 interrupts: minItems: 1 maxItems: 4 description: LPAIF DMA buffer interrupt interrupt-names: minItems: 1 maxItems: 4 qcom,adsp: $ref: /schemas/types.yaml#/definitions/phandle description: Phandle for the audio DSP node iommus: minItems: 2 maxItems: 3 description: Phandle to apps_smmu node with sid mask power-domains: maxItems: 1 power-domain-names: maxItems: 1 required-opps: maxItems: 1 '#sound-dai-cells': const: 1 '#address-cells': const: 1 '#size-cells': const: 0 patternProperties: "^dai-link@[0-9a-f]+$": 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' unevaluatedProperties: false allOf: - $ref: dai-common.yaml# - if: properties: compatible: contains: const: qcom,lpass-cpu then: properties: clocks: maxItems: 3 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: clocks: minItems: 7 maxItems: 7 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: clocks: minItems: 6 maxItems: 6 clock-names: items: - const: pcnoc-sway-clk - const: audio-core - const: mclk0 - const: pcnoc-mport-clk - const: mi2s-bit-clk0 - const: mi2s-bit-clk1 reg: minItems: 2 maxItems: 2 reg-names: items: - const: lpass-hdmiif - const: lpass-lpaif interrupts: minItems: 2 maxItems: 2 interrupt-names: items: - const: lpass-irq-lpaif - const: lpass-irq-hdmi required: - iommus - power-domains - if: properties: compatible: contains: const: qcom,sc7280-lpass-cpu then: properties: clocks: minItems: 10 maxItems: 10 clock-names: items: - 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 - 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 reg: minItems: 6 maxItems: 6 reg-names: items: - 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 interrupts: minItems: 4 maxItems: 4 interrupt-names: items: - const: lpass-irq-lpaif - const: lpass-irq-hdmi - const: lpass-irq-vaif - const: lpass-irq-rxtxif power-domain-names: 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>; }; }; }; ... |