Add binding to specify Spread Spectrum Clocking mode used.
Signed-off-by: Swapnil Jakhade <sjakhade@xxxxxxxxxxx>
---
.../devicetree/bindings/phy/phy-cadence-sierra.yaml | 9 +++++++++
include/dt-bindings/phy/phy-cadence.h | 4 ++++
2 files changed, 13 insertions(+)
diff --git a/Documentation/devicetree/bindings/phy/phy-cadence-sierra.yaml b/Documentation/devicetree/bindings/phy/phy-cadence-sierra.yaml
index e71b32c9c0d1..a9e227d8b076 100644
--- a/Documentation/devicetree/bindings/phy/phy-cadence-sierra.yaml
+++ b/Documentation/devicetree/bindings/phy/phy-cadence-sierra.yaml
@@ -113,6 +113,15 @@ patternProperties:
minimum: 1
maximum: 16
+ cdns,ssc-mode:
+ description:
+ Specifies the Spread Spectrum Clocking mode used. It can be NO_SSC,
+ EXTERNAL_SSC or INTERNAL_SSC.
+ Refer include/dt-bindings/phy/phy-cadence.h for the constants to be used.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [0, 1, 2]
+ default: 1
+
required:
- reg
- resets
diff --git a/include/dt-bindings/phy/phy-cadence.h b/include/dt-bindings/phy/phy-cadence.h
index 4652bcb86265..0122c6067b17 100644
--- a/include/dt-bindings/phy/phy-cadence.h
+++ b/include/dt-bindings/phy/phy-cadence.h
@@ -17,4 +17,8 @@
#define CDNS_SIERRA_PLL_CMNLC 0
#define CDNS_SIERRA_PLL_CMNLC1 1
+#define SIERRA_SERDES_NO_SSC 0
+#define SIERRA_SERDES_EXTERNAL_SSC 1
+#define SIERRA_SERDES_INTERNAL_SSC 2
+
#endif /* _DT_BINDINGS_CADENCE_SERDES_H */
--
2.26.1
