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| author | Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> | 2023-04-18 12:54:42 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2023-05-08 10:31:34 +0300 |
| commit | a536bf5afa28420514d975f0852a778ea8291e1a (patch) | |
| tree | 0b5ecb9227833e82651bffdc1327639d877e9486 /Documentation/devicetree/bindings/soundwire/qcom,soundwire.yaml | |
| parent | 505bdb9dff2eb1d097a231eb1946df01c3c5d405 (diff) | |
| download | linux-a536bf5afa28420514d975f0852a778ea8291e1a.tar.xz | |
dt-bindings: soundwire: qcom: add 16-bit sample interval
The port sample interval was always 16-bit, split into low and high
bytes. This split was unnecessary, although harmless for older devices
because all of them used only lower byte (so values < 0xff). With
support for Soundwire controller on Qualcomm SM8550 and its devices,
both bytes will be used, thus add a new 'qcom,ports-sinterval' property
to allow 16-bit sample intervals.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20230418095447.577001-3-krzysztof.kozlowski@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/soundwire/qcom,soundwire.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/soundwire/qcom,soundwire.yaml | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/soundwire/qcom,soundwire.yaml b/Documentation/devicetree/bindings/soundwire/qcom,soundwire.yaml index 98c7fc7e1189..fb44b89a754e 100644 --- a/Documentation/devicetree/bindings/soundwire/qcom,soundwire.yaml +++ b/Documentation/devicetree/bindings/soundwire/qcom,soundwire.yaml @@ -86,7 +86,7 @@ properties: qcom,ports-sinterval-low: $ref: /schemas/types.yaml#/definitions/uint8-array description: - Sample interval low of each data port. + Sample interval (only lowest byte) 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. @@ -94,6 +94,17 @@ properties: minItems: 3 maxItems: 16 + qcom,ports-sinterval: + $ref: /schemas/types.yaml#/definitions/uint16-array + description: + Sample interval of each data port. + Out ports followed by In ports. Used for Sample Interval calculation. + Value of 0xffff 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: 16 + qcom,ports-offset1: $ref: /schemas/types.yaml#/definitions/uint8-array description: @@ -220,10 +231,15 @@ required: - '#size-cells' - qcom,dout-ports - qcom,din-ports - - qcom,ports-sinterval-low - qcom,ports-offset1 - qcom,ports-offset2 +oneOf: + - required: + - qcom,ports-sinterval-low + - required: + - qcom,ports-sinterval + additionalProperties: false examples: |