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Message-ID: <20210903050054.25627-4-sjakhade@cadence.com>
Date: Fri, 3 Sep 2021 07:00:43 +0200
From: Swapnil Jakhade <sjakhade@...ence.com>
To: <vkoul@...nel.org>, <kishon@...com>, <robh+dt@...nel.org>,
<p.zabel@...gutronix.de>, <linux-phy@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>
CC: <mparab@...ence.com>, <sjakhade@...ence.com>, <lokeshvutla@...com>
Subject: [PATCH 03/14] dt-bindings: phy: cadence-sierra: Add binding to specify SSC mode
Add binding to specify Spread Spectrum Clocking mode used.
Signed-off-by: Swapnil Jakhade <sjakhade@...ence.com>
---
.../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
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