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[03/14] dt-bindings: phy: cadence-sierra: Add binding to specify SSC mode

Message ID 20210903050054.25627-4-sjakhade@cadence.com
State Superseded
Headers show
Series PHY: Add support for multilink configurations in Cadence Sierra PHY driver | expand

Commit Message

Swapnil Kashinath Jakhade Sept. 3, 2021, 5 a.m. UTC
Add binding to specify Spread Spectrum Clocking mode used.

Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com>
---
 .../devicetree/bindings/phy/phy-cadence-sierra.yaml      | 9 +++++++++
 include/dt-bindings/phy/phy-cadence.h                    | 4 ++++
 2 files changed, 13 insertions(+)

Comments

Rob Herring (Arm) Sept. 3, 2021, 4:12 p.m. UTC | #1
On Fri, Sep 03, 2021 at 07:00:43AM +0200, Swapnil Jakhade wrote:
> Add binding to specify Spread Spectrum Clocking mode used.
> 
> Signed-off-by: Swapnil Jakhade <sjakhade@cadence.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

Don't we already have defines for this property from the Torrent phy?

> +
>  #endif /* _DT_BINDINGS_CADENCE_SERDES_H */
> -- 
> 2.26.1
> 
>
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Patch

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 */