2023-08-30 17:31:07 +02:00
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/sound/qcom,lpass-cpu.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Qualcomm Technologies Inc. LPASS CPU dai driver
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maintainers:
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- Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
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2023-10-24 12:59:35 +02:00
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- Rohit kumar <quic_rohkumar@quicinc.com>
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2023-08-30 17:31:07 +02:00
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description: |
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Qualcomm Technologies Inc. SOC Low-Power Audio SubSystem (LPASS) that consist
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of MI2S interface for audio data transfer on external codecs. LPASS cpu driver
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is a module to configure Low-Power Audio Interface(LPAIF) core registers
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across different IP versions.
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properties:
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compatible:
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enum:
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- qcom,lpass-cpu
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- qcom,apq8016-lpass-cpu
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- qcom,sc7180-lpass-cpu
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- qcom,sc7280-lpass-cpu
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reg:
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minItems: 1
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maxItems: 6
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description: LPAIF core registers
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reg-names:
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minItems: 1
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maxItems: 6
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clocks:
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minItems: 3
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maxItems: 10
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clock-names:
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minItems: 1
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maxItems: 10
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interrupts:
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minItems: 1
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maxItems: 4
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description: LPAIF DMA buffer interrupt
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interrupt-names:
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minItems: 1
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maxItems: 4
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qcom,adsp:
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$ref: /schemas/types.yaml#/definitions/phandle
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description: Phandle for the audio DSP node
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iommus:
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minItems: 2
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maxItems: 3
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description: Phandle to apps_smmu node with sid mask
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power-domains:
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maxItems: 1
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power-domain-names:
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maxItems: 1
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required-opps:
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maxItems: 1
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'#sound-dai-cells':
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const: 1
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'#address-cells':
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const: 1
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'#size-cells':
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const: 0
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patternProperties:
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"^dai-link@[0-9a-f]+$":
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type: object
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description: |
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LPASS CPU dai node for each I2S device or Soundwire device. Bindings of each node
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depends on the specific driver providing the functionality and
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properties.
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properties:
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reg:
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maxItems: 1
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description: Must be one of the DAI ID
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qcom,playback-sd-lines:
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$ref: /schemas/types.yaml#/definitions/uint32-array
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description: list of MI2S data lines for playback
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qcom,capture-sd-lines:
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$ref: /schemas/types.yaml#/definitions/uint32-array
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description: list of MI2S data lines for capture
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required:
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- reg
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additionalProperties: false
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required:
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- compatible
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- reg
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- reg-names
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- clocks
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- clock-names
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- interrupts
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- interrupt-names
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- '#sound-dai-cells'
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unevaluatedProperties: false
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allOf:
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- $ref: dai-common.yaml#
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- if:
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properties:
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compatible:
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contains:
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const: qcom,lpass-cpu
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then:
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properties:
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clocks:
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maxItems: 3
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clock-names:
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items:
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- const: ahbix-clk
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- const: mi2s-osr-clk
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- const: mi2s-bit-clk
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- if:
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properties:
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compatible:
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contains:
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const: qcom,apq8016-lpass-cpu
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then:
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properties:
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clocks:
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minItems: 7
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maxItems: 7
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clock-names:
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items:
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- const: ahbix-clk
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- const: mi2s-bit-clk0
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- const: mi2s-bit-clk1
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- const: mi2s-bit-clk2
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- const: mi2s-bit-clk3
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- const: pcnoc-mport-clk
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- const: pcnoc-sway-clk
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- if:
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properties:
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compatible:
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contains:
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const: qcom,sc7180-lpass-cpu
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then:
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properties:
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clocks:
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minItems: 6
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maxItems: 6
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clock-names:
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items:
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- const: pcnoc-sway-clk
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- const: audio-core
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- const: mclk0
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- const: pcnoc-mport-clk
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- const: mi2s-bit-clk0
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- const: mi2s-bit-clk1
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reg:
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minItems: 2
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maxItems: 2
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reg-names:
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items:
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- const: lpass-hdmiif
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- const: lpass-lpaif
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interrupts:
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minItems: 2
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maxItems: 2
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interrupt-names:
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items:
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- const: lpass-irq-lpaif
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- const: lpass-irq-hdmi
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required:
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- iommus
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- power-domains
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- if:
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properties:
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compatible:
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contains:
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const: qcom,sc7280-lpass-cpu
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then:
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properties:
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clocks:
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minItems: 10
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maxItems: 10
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clock-names:
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items:
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- const: aon_cc_audio_hm_h
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- const: audio_cc_ext_mclk0
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- const: core_cc_sysnoc_mport_core
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- const: core_cc_ext_if0_ibit
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- const: core_cc_ext_if1_ibit
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- const: audio_cc_codec_mem
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- const: audio_cc_codec_mem0
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- const: audio_cc_codec_mem1
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- const: audio_cc_codec_mem2
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- const: aon_cc_va_mem0
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reg:
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minItems: 6
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maxItems: 6
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reg-names:
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items:
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- const: lpass-hdmiif
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- const: lpass-lpaif
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- const: lpass-rxtx-cdc-dma-lpm
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- const: lpass-rxtx-lpaif
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- const: lpass-va-lpaif
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- const: lpass-va-cdc-dma-lpm
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interrupts:
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minItems: 4
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maxItems: 4
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interrupt-names:
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items:
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- const: lpass-irq-lpaif
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- const: lpass-irq-hdmi
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- const: lpass-irq-vaif
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- const: lpass-irq-rxtxif
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power-domain-names:
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items:
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- const: lcx
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required:
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- iommus
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- power-domains
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examples:
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- |
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#include <dt-bindings/sound/sc7180-lpass.h>
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soc {
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#address-cells = <2>;
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#size-cells = <2>;
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lpass@62d80000 {
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compatible = "qcom,sc7180-lpass-cpu";
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reg = <0 0x62d87000 0 0x68000>,
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<0 0x62f00000 0 0x29000>;
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reg-names = "lpass-hdmiif",
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"lpass-lpaif";
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iommus = <&apps_smmu 0x1020 0>,
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<&apps_smmu 0x1032 0>;
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power-domains = <&lpass_hm 0>;
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clocks = <&gcc 131>,
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<&lpasscorecc 6>,
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<&lpasscorecc 7>,
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<&lpasscorecc 10>,
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<&lpasscorecc 8>,
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<&lpasscorecc 9>;
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clock-names = "pcnoc-sway-clk", "audio-core",
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"mclk0", "pcnoc-mport-clk",
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"mi2s-bit-clk0", "mi2s-bit-clk1";
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interrupts = <0 160 1>,
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<0 268 1>;
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interrupt-names = "lpass-irq-lpaif",
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"lpass-irq-hdmi";
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#sound-dai-cells = <1>;
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#address-cells = <1>;
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#size-cells = <0>;
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/* Optional to set different MI2S SD lines */
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dai-link@0 {
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reg = <MI2S_PRIMARY>;
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qcom,playback-sd-lines = <1>;
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qcom,capture-sd-lines = <0>;
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};
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};
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};
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...
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