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Date: Wed, 19 Oct 2022 18:12:03 +0530
From: Vinod Koul <vkoul@...nel.org>
To: Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
Cc: agross@...nel.org, andersson@...nel.org, lgirdwood@...il.com,
broonie@...nel.org, robh+dt@...nel.org, quic_plai@...cinc.com,
bgoswami@...cinc.com, perex@...ex.cz, tiwai@...e.com,
srinivas.kandagatla@...aro.org, quic_rohkumar@...cinc.com,
linux-arm-msm@...r.kernel.org, alsa-devel@...a-project.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
swboyd@...omium.org, judyhsiao@...omium.org,
Ratna Deepthi Kudaravalli <quic_rkudarav@...cinc.com>
Subject: Re: [PATCH v2] dt-bindings: soundwire: Convert text file to yaml
format
On 18-10-22, 16:54, Srinivasa Rao Mandadapu wrote:
> Update soundwire bindings with yaml formats.
>
> Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
> Co-developed-by: Ratna Deepthi Kudaravalli <quic_rkudarav@...cinc.com>
> Signed-off-by: Ratna Deepthi Kudaravalli <quic_rkudarav@...cinc.com>
> ---
>
> This patch depends on:
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=42801e6185290d63691bd39cf8a3bba6cd5fe520
why is this dependency for yaml conversion?
>
> Changes since V1:
> -- Remove the status field in example.
> -- Remove interrupt-names property in the required list.
> -- Add the wakeup-source property.
>
> .../devicetree/bindings/soundwire/qcom,sdw.txt | 214 ---------------------
> .../devicetree/bindings/soundwire/qcom,sdw.yaml | 186 ++++++++++++++++++
> 2 files changed, 186 insertions(+), 214 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/soundwire/qcom,sdw.txt
> create mode 100644 Documentation/devicetree/bindings/soundwire/qcom,sdw.yaml
>
> diff --git a/Documentation/devicetree/bindings/soundwire/qcom,sdw.txt b/Documentation/devicetree/bindings/soundwire/qcom,sdw.txt
> deleted file mode 100644
> index c85c257..0000000
> --- a/Documentation/devicetree/bindings/soundwire/qcom,sdw.txt
> +++ /dev/null
> @@ -1,214 +0,0 @@
> -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"
> -- 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{
> - ....
> - };
> -};
> diff --git a/Documentation/devicetree/bindings/soundwire/qcom,sdw.yaml b/Documentation/devicetree/bindings/soundwire/qcom,sdw.yaml
> new file mode 100644
> index 0000000..65bff91
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/soundwire/qcom,sdw.yaml
> @@ -0,0 +1,186 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/soundwire/qcom,sdw.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm SoundWire Controller
> +
> +maintainers:
> + - Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
> + - Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
> +
> +description:
> + This binding describes 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
> +
> + reg:
> + items:
> + - description: the base address and size of SoundWire controller
> + address space.
> +
> + interrupts:
> + items:
> + - description: specify the SoundWire controller core and optional
> + wake IRQ.
> +
> + interrupt-names:
> + items:
> + - 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:
> + description: specify the Soundwire Controller is wakeup Capable.
> + type: boolean
> +
> + 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.
> + minItems: 5
> + maxItems: 5
> +
> + qcom,ports-sinterval-low:
> + $ref: /schemas/types.yaml#/definitions/uint8-array
> + description: sample interval low of each data port.
> + minItems: 5
> + maxItems: 5
> +
> + qcom,ports-offset1:
> + $ref: /schemas/types.yaml#/definitions/uint8-array
> + description: payload transport window offset1 of each data port.
> + minItems: 5
> + maxItems: 5
> +
> + qcom,ports-offset2:
> + $ref: /schemas/types.yaml#/definitions/uint8-array
> + description: payload transport window offset2 of each data port.
> + minItems: 5
> + maxItems: 5
> +
> + qcom,ports-lane-control:
> + $ref: /schemas/types.yaml#/definitions/uint8-array
> + description: identify which data lane the data port uses.
> + minItems: 5
> + maxItems: 5
> +
> + qcom,ports-block-pack-mode:
> + $ref: /schemas/types.yaml#/definitions/uint8-array
> + description: indicate the block packing mode.
> + minItems: 5
> + maxItems: 5
> +
> + qcom,ports-hstart:
> + $ref: /schemas/types.yaml#/definitions/uint8-array
> + description: identifying lowerst numbered coloum in SoundWire frame.
> + minItems: 5
> + maxItems: 5
> +
> + qcom,ports-hstop:
> + $ref: /schemas/types.yaml#/definitions/uint8-array
> + description: identifying highest numbered coloum in SoundWire frame.
> + minItems: 5
> + maxItems: 5
> +
> + qcom,ports-block-group-count:
> + $ref: /schemas/types.yaml#/definitions/uint8-array
> + description: indicate how many sample intervals are combined into a payload.
> + minItems: 5
> + maxItems: 5
> +
> +required:
> + - reg
> + - interrupts
> + - clocks
> + - clock-names
> + - resets
> + - reset-names
> + - '#sound-dai-cells'
> + - '#address-cells'
> + - '#size-cells'
> + - qcom,dout-ports
> + - qcom,din-ports
> + - qcom,ports-word-length
> + - qcom,ports-sinterval-low
> + - qcom,ports-offset1
> + - qcom,ports-offset2
> + - qcom,ports-lane-control
> + - qcom,ports-block-pack-mode
> + - qcom,ports-hstart
> + - qcom,ports-block-group-count
> +
> +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@...0000 {
> + compatible = "qcom,soundwire-v1.6.0";
> + reg = <0x03210000 0x2000>;
> +
> + interrupts = <GIC_SPI 155 IRQ_TYPE_LEVEL_HIGH>;
> + 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>;
> + };
> --
> 2.7.4
--
~Vinod
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