271 lines
7.7 KiB
YAML
271 lines
7.7 KiB
YAML
# 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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$id: http://devicetree.org/schemas/soundwire/qcom,soundwire.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Qualcomm SoundWire Controller
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maintainers:
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- Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
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- Srinivasa Rao Mandadapu <quic_srivasam@quicinc.com>
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description:
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The Qualcomm SoundWire controller along with its board specific bus parameters.
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properties:
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compatible:
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enum:
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- qcom,soundwire-v1.3.0
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- qcom,soundwire-v1.5.0
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- qcom,soundwire-v1.5.1
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- qcom,soundwire-v1.6.0
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- qcom,soundwire-v1.7.0
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reg:
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maxItems: 1
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interrupts:
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minItems: 1
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items:
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- description: specify the SoundWire controller core.
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- description: specify the Soundwire controller wake IRQ.
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interrupt-names:
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minItems: 1
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items:
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- const: core
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- const: wakeup
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clocks:
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items:
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- description: iface clock
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clock-names:
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items:
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- const: iface
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resets:
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items:
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- description: SWR_AUDIO_CGCR RESET
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reset-names:
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items:
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- const: swr_audio_cgcr
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'#sound-dai-cells':
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const: 1
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'#address-cells':
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const: 2
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'#size-cells':
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const: 0
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wakeup-source: true
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qcom,din-ports:
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$ref: /schemas/types.yaml#/definitions/uint32
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description: count of data in ports
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qcom,dout-ports:
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$ref: /schemas/types.yaml#/definitions/uint32
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description: count of data out ports
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qcom,ports-word-length:
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$ref: /schemas/types.yaml#/definitions/uint8-array
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description:
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Size of payload channel sample.
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Value of 0xff indicates that this option is not implemented
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or applicable for the respective data port.
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More info in MIPI Alliance SoundWire 1.0 Specifications.
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minItems: 3
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maxItems: 8
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qcom,ports-sinterval-low:
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$ref: /schemas/types.yaml#/definitions/uint8-array
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description:
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Sample interval low of each data port.
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Out ports followed by In ports. Used for Sample Interval calculation.
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Value of 0xff indicates that this option is not implemented
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or applicable for the respective data port.
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More info in MIPI Alliance SoundWire 1.0 Specifications.
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minItems: 3
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maxItems: 8
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qcom,ports-offset1:
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$ref: /schemas/types.yaml#/definitions/uint8-array
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description:
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Payload transport window offset1 of each data port.
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Out ports followed by In ports.
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Value of 0xff indicates that this option is not implemented
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or applicable for the respective data port.
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More info in MIPI Alliance SoundWire 1.0 Specifications.
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minItems: 3
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maxItems: 8
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qcom,ports-offset2:
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$ref: /schemas/types.yaml#/definitions/uint8-array
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description:
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Payload transport window offset2 of each data port.
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Out ports followed by In ports.
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Value of 0xff indicates that this option is not implemented
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or applicable for the respective data port.
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More info in MIPI Alliance SoundWire 1.0 Specifications.
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minItems: 3
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maxItems: 8
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qcom,ports-lane-control:
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$ref: /schemas/types.yaml#/definitions/uint8-array
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description:
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Identify which data lane the data port uses.
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Out ports followed by In ports.
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Value of 0xff indicates that this option is not implemented
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or applicable for the respective data port.
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More info in MIPI Alliance SoundWire 1.0 Specifications.
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minItems: 3
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maxItems: 8
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qcom,ports-block-pack-mode:
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$ref: /schemas/types.yaml#/definitions/uint8-array
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description:
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Indicate the block packing mode.
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0 to indicate Blocks are per Channel
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1 to indicate Blocks are per Port.
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Out ports followed by In ports.
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Value of 0xff indicates that this option is not implemented
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or applicable for the respective data port.
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More info in MIPI Alliance SoundWire 1.0 Specifications.
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minItems: 3
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maxItems: 8
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items:
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oneOf:
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- minimum: 0
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maximum: 1
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- const: 0xff
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qcom,ports-hstart:
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$ref: /schemas/types.yaml#/definitions/uint8-array
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description:
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Identifying lowerst numbered coloum in SoundWire Frame,
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i.e. left edge of the Transport sub-frame for each port.
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Out ports followed by In ports.
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Value of 0xff indicates that this option is not implemented
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or applicable for the respective data port.
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More info in MIPI Alliance SoundWire 1.0 Specifications.
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minItems: 3
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maxItems: 8
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items:
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oneOf:
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- minimum: 0
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maximum: 15
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- const: 0xff
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qcom,ports-hstop:
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$ref: /schemas/types.yaml#/definitions/uint8-array
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description:
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Identifying highest numbered coloum in SoundWire Frame,
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i.e. the right edge of the Transport
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sub-frame for each port. Out ports followed by In ports.
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Value of 0xff indicates that this option is not implemented
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or applicable for the respective data port.
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More info in MIPI Alliance SoundWire 1.0 Specifications.
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minItems: 3
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maxItems: 8
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items:
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oneOf:
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- minimum: 0
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maximum: 15
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- const: 0xff
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qcom,ports-block-group-count:
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$ref: /schemas/types.yaml#/definitions/uint8-array
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description:
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In range 1 to 4 to indicate how many sample intervals are combined
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into a payload. Out ports followed by In ports.
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Value of 0xff indicates that this option is not implemented
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or applicable for the respective data port.
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More info in MIPI Alliance SoundWire 1.0 Specifications.
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minItems: 3
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maxItems: 8
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items:
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oneOf:
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- minimum: 0
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maximum: 4
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- const: 0xff
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label:
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maxItems: 1
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patternProperties:
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"^.*@[0-9a-f],[0-9a-f]$":
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type: object
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description:
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Child nodes for a standalone audio codec or speaker amplifier IC.
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It has RX and TX Soundwire secondary devices.
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properties:
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compatible:
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pattern: "^sdw[0-9a-f]{1}[0-9a-f]{4}[0-9a-f]{4}[0-9a-f]{2}$"
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required:
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- compatible
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- reg
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- interrupts
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- clocks
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- clock-names
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- '#sound-dai-cells'
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- '#address-cells'
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- '#size-cells'
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- qcom,dout-ports
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- qcom,din-ports
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- qcom,ports-sinterval-low
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- qcom,ports-offset1
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- qcom,ports-offset2
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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#include <dt-bindings/clock/qcom,lpassaudiocc-sc7280.h>
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soundwire@3210000 {
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compatible = "qcom,soundwire-v1.6.0";
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reg = <0x03210000 0x2000>;
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interrupts = <GIC_SPI 155 IRQ_TYPE_LEVEL_HIGH>,
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<&pdc 130 IRQ_TYPE_LEVEL_HIGH>;
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interrupt-names = "core", "wakeup";
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clocks = <&lpass_rx_macro>;
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clock-names = "iface";
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qcom,din-ports = <0>;
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qcom,dout-ports = <5>;
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resets = <&lpass_audiocc LPASS_AUDIO_SWR_RX_CGCR>;
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reset-names = "swr_audio_cgcr";
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qcom,ports-word-length = /bits/ 8 <0x01 0x07 0x04 0xff 0xff>;
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qcom,ports-sinterval-low = /bits/ 8 <0x03 0x3f 0x1f 0x03 0x03>;
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qcom,ports-offset1 = /bits/ 8 <0x00 0x00 0x0b 0x01 0x01>;
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qcom,ports-offset2 = /bits/ 8 <0x00 0x00 0x0b 0x00 0x00>;
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qcom,ports-lane-control = /bits/ 8 <0x01 0x00 0x00 0x00 0x00>;
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qcom,ports-block-pack-mode = /bits/ 8 <0xff 0x00 0x01 0xff 0xff>;
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qcom,ports-hstart = /bits/ 8 <0xff 0x03 0xff 0xff 0xff>;
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qcom,ports-hstop = /bits/ 8 <0xff 0x06 0xff 0xff 0xff>;
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qcom,ports-block-group-count = /bits/ 8 <0xff 0xff 0xff 0xff 0x00>;
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#sound-dai-cells = <1>;
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#address-cells = <2>;
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#size-cells = <0>;
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codec@0,4 {
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compatible = "sdw20217010d00";
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reg = <0 4>;
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qcom,rx-port-mapping = <1 2 3 4 5>;
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};
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};
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