summaryrefslogtreecommitdiffstats
path: root/dts/Bindings/soundwire/qcom,sdw.txt
diff options
context:
space:
mode:
Diffstat (limited to 'dts/Bindings/soundwire/qcom,sdw.txt')
-rw-r--r--dts/Bindings/soundwire/qcom,sdw.txt188
1 files changed, 0 insertions, 188 deletions
diff --git a/dts/Bindings/soundwire/qcom,sdw.txt b/dts/Bindings/soundwire/qcom,sdw.txt
deleted file mode 100644
index b93a2b3e02..0000000000
--- a/dts/Bindings/soundwire/qcom,sdw.txt
+++ /dev/null
@@ -1,188 +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 IRQ
-
-- 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.
-
-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";
- #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{
- ....
- };
-};