[PATCH v4 2/3] dt-bindings: soundwire: qcom: Add bindings for RX and TX cgcr register control

[Srinivasa Rao Mandadapu]

Update description for RX and TX cgcr register control property required for
soundwire version 1.6.0 and above.

Signed-off-by: Srinivasa Rao Mandadapu <srivasam@xxxxxxxxxxxxxx>
Co-developed-by: Venkata Prasad Potturu <potturu@xxxxxxxxxxxxxx>
Signed-off-by: Venkata Prasad Potturu <potturu@xxxxxxxxxxxxxx>
---
 Documentation/devicetree/bindings/soundwire/qcom,sdw.txt | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Documentation/devicetree/bindings/soundwire/qcom,sdw.txt b/Documentation/devicetree/bindings/soundwire/qcom,sdw.txt
index b93a2b3..91b9086 100644
--- a/Documentation/devicetree/bindings/soundwire/qcom,sdw.txt
+++ b/Documentation/devicetree/bindings/soundwire/qcom,sdw.txt
@@ -150,6 +150,15 @@ board specific bus parameters.
 		    or applicable for the respective data port.
 		    More info in MIPI Alliance SoundWire 1.0 Specifications.
 
+- qcom,swrm-hctl-reg:
+	Usage: optional
+	Value type: <prop-encoded-array>
+	Definition: The base address of SoundWire RX and TX cgcr register
+		    address space.
+		    This is to update soundwire master rxtx cgcr register field to
+		    make clock gating control as software controllable for RX path and
+		    TX path which is required for SoundWire version 1.6.0 and above.
+
 Note:
 	More Information on detail of encoding of these fields can be
 found in MIPI Alliance SoundWire 1.0 Specifications.
-- 
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