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Diffstat (limited to 'Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml')
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diff --git a/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml b/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml new file mode 100644 index 000000000..1e23c0e20 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml @@ -0,0 +1,223 @@ +# 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 + + reg: + maxItems: 2 + description: LPAIF core registers + + reg-names: + maxItems: 2 + + clocks: + minItems: 3 + maxItems: 6 + + clock-names: + minItems: 3 + maxItems: 6 + + interrupts: + maxItems: 2 + description: LPAIF DMA buffer interrupt + + interrupt-names: + maxItems: 2 + + qcom,adsp: + $ref: /schemas/types.yaml#/definitions/phandle + description: Phandle for the audio DSP node + + iommus: + maxItems: 2 + description: Phandle to apps_smmu node with sid mask + + power-domains: + maxItems: 1 + + '#sound-dai-cells': + const: 1 + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + +patternProperties: + "^dai-link@[0-9a-f]$": + type: object + description: | + LPASS CPU dai node for each I2S device. 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 + +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>; + }; + }; + }; + +... |