Commit febc50b8 authored by Srinivasa Rao Mandadapu's avatar Srinivasa Rao Mandadapu Committed by Vinod Koul

dt-bindings: soundwire: Convert text bindings to DT Schema

Convert soundwire text bindings to DT Schema format.

Update interrupt property items as per device tree, as it is not
appropriately described in text file.
Update some of the properties description with minimum and maximum range.
Update secondary node info which is used to describe slave devices.
Signed-off-by: default avatarSrinivasa Rao Mandadapu <quic_srivasam@quicinc.com>
Co-developed-by: default avatarRatna Deepthi Kudaravalli <quic_rkudarav@quicinc.com>
Signed-off-by: default avatarRatna Deepthi Kudaravalli <quic_rkudarav@quicinc.com>
Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/1667918763-32445-5-git-send-email-quic_srivasam@quicinc.comSigned-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 7dddead7
Qualcomm SoundWire Controller Bindings
This binding describes the Qualcomm SoundWire Controller along with its
board specific bus parameters.
- compatible:
Usage: required
Value type: <stringlist>
Definition: must be "qcom,soundwire-v<MAJOR>.<MINOR>.<STEP>",
Example:
"qcom,soundwire-v1.3.0"
"qcom,soundwire-v1.5.0"
"qcom,soundwire-v1.5.1"
"qcom,soundwire-v1.6.0"
"qcom,soundwire-v1.7.0"
- reg:
Usage: required
Value type: <prop-encoded-array>
Definition: the base address and size of SoundWire controller
address space.
- interrupts:
Usage: required
Value type: <prop-encoded-array>
Definition: should specify the SoundWire Controller core and optional
wake IRQ
- interrupt-names:
Usage: Optional
Value type: boolean
Value type: <stringlist>
Definition: should be "core" for core and "wakeup" for wake interrupt.
- wakeup-source:
Usage: Optional
Value type: boolean
Definition: should specify if SoundWire Controller is wake up capable.
- clock-names:
Usage: required
Value type: <stringlist>
Definition: should be "iface" for SoundWire Controller interface clock
- clocks:
Usage: required
Value type: <prop-encoded-array>
Definition: should specify the SoundWire Controller interface clock
- #sound-dai-cells:
Usage: required
Value type: <u32>
Definition: must be 1 for digital audio interfaces on the controller.
- qcom,dout-ports:
Usage: required
Value type: <u32>
Definition: must be count of data out ports
- qcom,din-ports:
Usage: required
Value type: <u32>
Definition: must be count of data in ports
- qcom,ports-offset1:
Usage: required
Value type: <prop-encoded-array>
Definition: should specify payload transport window offset1 of each
data port. Out ports followed by In ports.
Value of 0xFF indicates that this option is not implemented
or applicable for the respective data port.
More info in MIPI Alliance SoundWire 1.0 Specifications.
- qcom,ports-offset2:
Usage: required
Value type: <prop-encoded-array>
Definition: should specify payload transport window offset2 of each
data port. Out ports followed by In ports.
Value of 0xFF indicates that this option is not implemented
or applicable for the respective data port.
More info in MIPI Alliance SoundWire 1.0 Specifications.
- qcom,ports-sinterval-low:
Usage: required
Value type: <prop-encoded-array>
Definition: should be sample interval low of each data port.
Out ports followed by In ports. Used for Sample Interval
calculation.
Value of 0xFF indicates that this option is not implemented
or applicable for the respective data port.
More info in MIPI Alliance SoundWire 1.0 Specifications.
- qcom,ports-word-length:
Usage: optional
Value type: <prop-encoded-array>
Definition: should be size of payload channel sample.
Value of 0xFF indicates that this option is not implemented
or applicable for the respective data port.
More info in MIPI Alliance SoundWire 1.0 Specifications.
- qcom,ports-block-pack-mode:
Usage: optional
Value type: <prop-encoded-array>
Definition: should be 0 or 1 to indicate the block packing mode.
0 to indicate Blocks are per Channel
1 to indicate Blocks are per Port.
Out ports followed by In ports.
Value of 0xFF indicates that this option is not implemented
or applicable for the respective data port.
More info in MIPI Alliance SoundWire 1.0 Specifications.
- qcom,ports-block-group-count:
Usage: optional
Value type: <prop-encoded-array>
Definition: should be in range 1 to 4 to indicate how many sample
intervals are combined into a payload.
Out ports followed by In ports.
Value of 0xFF indicates that this option is not implemented
or applicable for the respective data port.
More info in MIPI Alliance SoundWire 1.0 Specifications.
- qcom,ports-lane-control:
Usage: optional
Value type: <prop-encoded-array>
Definition: should be in range 0 to 7 to identify which data lane
the data port uses.
Out ports followed by In ports.
Value of 0xFF indicates that this option is not implemented
or applicable for the respective data port.
More info in MIPI Alliance SoundWire 1.0 Specifications.
- qcom,ports-hstart:
Usage: optional
Value type: <prop-encoded-array>
Definition: should be number identifying lowerst numbered coloum in
SoundWire Frame, i.e. left edge of the Transport sub-frame
for each port. Values between 0 and 15 are valid.
Out ports followed by In ports.
Value of 0xFF indicates that this option is not implemented
or applicable for the respective data port.
More info in MIPI Alliance SoundWire 1.0 Specifications.
- qcom,ports-hstop:
Usage: optional
Value type: <prop-encoded-array>
Definition: should be number identifying highest numbered coloum in
SoundWire Frame, i.e. the right edge of the Transport
sub-frame for each port. Values between 0 and 15 are valid.
Out ports followed by In ports.
Value of 0xFF indicates that this option is not implemented
or applicable for the respective data port.
More info in MIPI Alliance SoundWire 1.0 Specifications.
- qcom,dports-type:
Usage: optional
Value type: <prop-encoded-array>
Definition: should be one of the following types
0 for reduced port
1 for simple ports
2 for full port
Out ports followed by In ports.
Value of 0xFF indicates that this option is not implemented
or applicable for the respective data port.
More info in MIPI Alliance SoundWire 1.0 Specifications.
- reset:
Usage: optional
Value type: <prop-encoded-array>
Definition: Should specify the SoundWire audio CSR reset controller interface,
which is required for SoundWire version 1.6.0 and above.
- reset-names:
Usage: optional
Value type: <stringlist>
Definition: should be "swr_audio_cgcr" for SoundWire audio CSR reset
controller interface.
Note:
More Information on detail of encoding of these fields can be
found in MIPI Alliance SoundWire 1.0 Specifications.
= SoundWire devices
Each subnode of the bus represents SoundWire device attached to it.
The properties of these nodes are defined by the individual bindings.
= EXAMPLE
The following example represents a SoundWire controller on DB845c board
which has controller integrated inside WCD934x codec on SDM845 SoC.
soundwire: soundwire@c85 {
compatible = "qcom,soundwire-v1.3.0";
reg = <0xc85 0x20>;
interrupts = <20 IRQ_TYPE_EDGE_RISING>;
clocks = <&wcc>;
clock-names = "iface";
resets = <&lpass_audiocc LPASS_AUDIO_SWR_TX_CGCR>;
reset-names = "swr_audio_cgcr";
#sound-dai-cells = <1>;
qcom,dports-type = <0>;
qcom,dout-ports = <6>;
qcom,din-ports = <2>;
qcom,ports-sinterval-low = /bits/ 8 <0x07 0x1F 0x3F 0x7 0x1F 0x3F 0x0F 0x0F>;
qcom,ports-offset1 = /bits/ 8 <0x01 0x02 0x0C 0x6 0x12 0x0D 0x07 0x0A >;
qcom,ports-offset2 = /bits/ 8 <0x00 0x00 0x1F 0x00 0x00 0x1F 0x00 0x00>;
/* Left Speaker */
left{
....
};
/* Right Speaker */
right{
....
};
};
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/soundwire/qcom,soundwire.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm SoundWire Controller
maintainers:
- Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
- Srinivasa Rao Mandadapu <quic_srivasam@quicinc.com>
description:
The Qualcomm SoundWire controller along with its board specific bus parameters.
properties:
compatible:
enum:
- qcom,soundwire-v1.3.0
- qcom,soundwire-v1.5.0
- qcom,soundwire-v1.5.1
- qcom,soundwire-v1.6.0
- qcom,soundwire-v1.7.0
reg:
maxItems: 1
interrupts:
minItems: 1
items:
- description: specify the SoundWire controller core.
- description: specify the Soundwire controller wake IRQ.
interrupt-names:
minItems: 1
items:
- const: core
- const: wakeup
clocks:
items:
- description: iface clock
clock-names:
items:
- const: iface
resets:
items:
- description: SWR_AUDIO_CGCR RESET
reset-names:
items:
- const: swr_audio_cgcr
'#sound-dai-cells':
const: 1
'#address-cells':
const: 2
'#size-cells':
const: 0
wakeup-source: true
qcom,din-ports:
$ref: /schemas/types.yaml#/definitions/uint32
description: count of data in ports
qcom,dout-ports:
$ref: /schemas/types.yaml#/definitions/uint32
description: count of data out ports
qcom,ports-word-length:
$ref: /schemas/types.yaml#/definitions/uint8-array
description:
Size of payload channel sample.
Value of 0xff indicates that this option is not implemented
or applicable for the respective data port.
More info in MIPI Alliance SoundWire 1.0 Specifications.
minItems: 3
maxItems: 5
qcom,ports-sinterval-low:
$ref: /schemas/types.yaml#/definitions/uint8-array
description:
Sample interval low of each data port.
Out ports followed by In ports. Used for Sample Interval calculation.
Value of 0xff indicates that this option is not implemented
or applicable for the respective data port.
More info in MIPI Alliance SoundWire 1.0 Specifications.
minItems: 3
maxItems: 8
qcom,ports-offset1:
$ref: /schemas/types.yaml#/definitions/uint8-array
description:
Payload transport window offset1 of each data port.
Out ports followed by In ports.
Value of 0xff indicates that this option is not implemented
or applicable for the respective data port.
More info in MIPI Alliance SoundWire 1.0 Specifications.
minItems: 3
maxItems: 8
qcom,ports-offset2:
$ref: /schemas/types.yaml#/definitions/uint8-array
description:
Payload transport window offset2 of each data port.
Out ports followed by In ports.
Value of 0xff indicates that this option is not implemented
or applicable for the respective data port.
More info in MIPI Alliance SoundWire 1.0 Specifications.
minItems: 3
maxItems: 8
qcom,ports-lane-control:
$ref: /schemas/types.yaml#/definitions/uint8-array
description:
Identify which data lane the data port uses.
Out ports followed by In ports.
Value of 0xff indicates that this option is not implemented
or applicable for the respective data port.
More info in MIPI Alliance SoundWire 1.0 Specifications.
minItems: 3
maxItems: 5
qcom,ports-block-pack-mode:
$ref: /schemas/types.yaml#/definitions/uint8-array
description:
Indicate the block packing mode.
0 to indicate Blocks are per Channel
1 to indicate Blocks are per Port.
Out ports followed by In ports.
Value of 0xff indicates that this option is not implemented
or applicable for the respective data port.
More info in MIPI Alliance SoundWire 1.0 Specifications.
minItems: 3
maxItems: 8
items:
oneOf:
- minimum: 0
maximum: 1
- const: 0xff
qcom,ports-hstart:
$ref: /schemas/types.yaml#/definitions/uint8-array
description:
Identifying lowerst numbered coloum in SoundWire Frame,
i.e. left edge of the Transport sub-frame for each port.
Out ports followed by In ports.
Value of 0xff indicates that this option is not implemented
or applicable for the respective data port.
More info in MIPI Alliance SoundWire 1.0 Specifications.
minItems: 3
maxItems: 5
items:
oneOf:
- minimum: 0
maximum: 15
- const: 0xff
qcom,ports-hstop:
$ref: /schemas/types.yaml#/definitions/uint8-array
description:
Identifying highest numbered coloum in SoundWire Frame,
i.e. the right edge of the Transport
sub-frame for each port. Out ports followed by In ports.
Value of 0xff indicates that this option is not implemented
or applicable for the respective data port.
More info in MIPI Alliance SoundWire 1.0 Specifications.
minItems: 3
maxItems: 5
items:
oneOf:
- minimum: 0
maximum: 15
- const: 0xff
qcom,ports-block-group-count:
$ref: /schemas/types.yaml#/definitions/uint8-array
description:
In range 1 to 4 to indicate how many sample intervals are combined
into a payload. Out ports followed by In ports.
Value of 0xff indicates that this option is not implemented
or applicable for the respective data port.
More info in MIPI Alliance SoundWire 1.0 Specifications.
minItems: 3
maxItems: 5
items:
oneOf:
- minimum: 0
maximum: 4
- const: 0xff
label:
maxItems: 1
patternProperties:
"^.*@[0-9a-f],[0-9a-f]$":
type: object
description:
Child nodes for a standalone audio codec or speaker amplifier IC.
It has RX and TX Soundwire secondary devices.
properties:
compatible:
pattern: "^sdw[0-9a-f]{1}[0-9a-f]{4}[0-9a-f]{4}[0-9a-f]{2}$"
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
- '#sound-dai-cells'
- '#address-cells'
- '#size-cells'
- qcom,dout-ports
- qcom,din-ports
- qcom,ports-sinterval-low
- qcom,ports-offset1
- qcom,ports-offset2
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/clock/qcom,lpassaudiocc-sc7280.h>
soundwire@3210000 {
compatible = "qcom,soundwire-v1.6.0";
reg = <0x03210000 0x2000>;
interrupts = <GIC_SPI 155 IRQ_TYPE_LEVEL_HIGH>,
<&pdc 130 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "core", "wakeup";
clocks = <&lpass_rx_macro>;
clock-names = "iface";
qcom,din-ports = <0>;
qcom,dout-ports = <5>;
resets = <&lpass_audiocc LPASS_AUDIO_SWR_RX_CGCR>;
reset-names = "swr_audio_cgcr";
qcom,ports-word-length = /bits/ 8 <0x01 0x07 0x04 0xff 0xff>;
qcom,ports-sinterval-low = /bits/ 8 <0x03 0x3f 0x1f 0x03 0x03>;
qcom,ports-offset1 = /bits/ 8 <0x00 0x00 0x0b 0x01 0x01>;
qcom,ports-offset2 = /bits/ 8 <0x00 0x00 0x0b 0x00 0x00>;
qcom,ports-lane-control = /bits/ 8 <0x01 0x00 0x00 0x00 0x00>;
qcom,ports-block-pack-mode = /bits/ 8 <0xff 0x00 0x01 0xff 0xff>;
qcom,ports-hstart = /bits/ 8 <0xff 0x03 0xff 0xff 0xff>;
qcom,ports-hstop = /bits/ 8 <0xff 0x06 0xff 0xff 0xff>;
qcom,ports-block-group-count = /bits/ 8 <0xff 0xff 0xff 0xff 0x00>;
#sound-dai-cells = <1>;
#address-cells = <2>;
#size-cells = <0>;
codec@0,4 {
compatible = "sdw20217010d00";
reg = <0 4>;
qcom,rx-port-mapping = <1 2 3 4 5>;
};
};
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