[PATCH net] dt-bindings: net: add support for Microchip KSZ9131 Ethernet PHY

[PATCH net] dt-bindings: net: add support for Microchip KSZ9131 Ethernet PHY

[Yuiko Oshino]

Add support for Microchip Technology KSZ9131 10/100/1000 Ethernet phy

Signed-off-by: Yuiko Oshino <yuiko.oshino@microchip.com>
---
 .../devicetree/bindings/net/micrel-ksz90x1.txt     | 29 +++++++++++++++++++++-
 1 file changed, 28 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/net/micrel-ksz90x1.txt b/Documentation/devicetree/bindings/net/micrel-ksz90x1.txt
index e22d8cf..d23d14a 100644
--- a/Documentation/devicetree/bindings/net/micrel-ksz90x1.txt
+++ b/Documentation/devicetree/bindings/net/micrel-ksz90x1.txt
@@ -1,4 +1,4 @@
-Micrel KSZ9021/KSZ9031 Gigabit Ethernet PHY
+Micrel/Microchip KSZ9021/KSZ9031/KSZ9131 Gigabit Ethernet PHY
 
 Some boards require special tuning values, particularly when it comes
 to clock delays. You can specify clock delay values in the PHY OF
@@ -64,6 +64,33 @@ KSZ9031:
         Attention: The link partner must be configurable as slave otherwise
         no link will be established.
 
+KSZ9131:
+
+  All skew control options are specified in picoseconds. The minimum
+  value is 0, and the maximum is property-dependent. The increment
+  step is 100ps. The default value is the neutral setting, so setting
+  rxc-skew-ps=<0> actually results in -700 picoseconds adjustment.
+
+  Optional properties:
+
+    Maximum value of 2400, default value 700:
+
+      - rxc-skew-ps : Skew control of RX clock pad
+      - txc-skew-ps : Skew control of TX clock pad
+
+    Maximum value of 1500, default value 700:
+
+      - rxdv-skew-ps : Skew control of RX CTL pad
+      - txen-skew-ps : Skew control of TX CTL pad
+      - rxd0-skew-ps : Skew control of RX data 0 pad
+      - rxd1-skew-ps : Skew control of RX data 1 pad
+      - rxd2-skew-ps : Skew control of RX data 2 pad
+      - rxd3-skew-ps : Skew control of RX data 3 pad
+      - txd0-skew-ps : Skew control of TX data 0 pad
+      - txd1-skew-ps : Skew control of TX data 1 pad
+      - txd2-skew-ps : Skew control of TX data 2 pad
+      - txd3-skew-ps : Skew control of TX data 3 pad
+
 Examples:
 
 	mdio {
-- 
2.7.4

Re: [PATCH net] dt-bindings: net: add support for Microchip KSZ9131 Ethernet PHY

[Florian Fainelli]

On 09/26/2018 11:16 AM, Yuiko Oshino wrote:
> Add support for Microchip Technology KSZ9131 10/100/1000 Ethernet phy

Capitalize PHY here.

Targeting the "net" tree which is for bugfixes is not appropriate here
since this is adding support for a new PHY model.

The binding looks reasonable though:

Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>

> 
> Signed-off-by: Yuiko Oshino <yuiko.oshino@microchip.com>
> ---
>  .../devicetree/bindings/net/micrel-ksz90x1.txt     | 29 +++++++++++++++++++++-
>  1 file changed, 28 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/net/micrel-ksz90x1.txt b/Documentation/devicetree/bindings/net/micrel-ksz90x1.txt
> index e22d8cf..d23d14a 100644
> --- a/Documentation/devicetree/bindings/net/micrel-ksz90x1.txt
> +++ b/Documentation/devicetree/bindings/net/micrel-ksz90x1.txt
> @@ -1,4 +1,4 @@
> -Micrel KSZ9021/KSZ9031 Gigabit Ethernet PHY
> +Micrel/Microchip KSZ9021/KSZ9031/KSZ9131 Gigabit Ethernet PHY
>  
>  Some boards require special tuning values, particularly when it comes
>  to clock delays. You can specify clock delay values in the PHY OF
> @@ -64,6 +64,33 @@ KSZ9031:
>          Attention: The link partner must be configurable as slave otherwise
>          no link will be established.
>  
> +KSZ9131:
> +
> +  All skew control options are specified in picoseconds. The minimum
> +  value is 0, and the maximum is property-dependent. The increment
> +  step is 100ps. The default value is the neutral setting, so setting
> +  rxc-skew-ps=<0> actually results in -700 picoseconds adjustment.
> +
> +  Optional properties:
> +
> +    Maximum value of 2400, default value 700:
> +
> +      - rxc-skew-ps : Skew control of RX clock pad
> +      - txc-skew-ps : Skew control of TX clock pad
> +
> +    Maximum value of 1500, default value 700:
> +
> +      - rxdv-skew-ps : Skew control of RX CTL pad
> +      - txen-skew-ps : Skew control of TX CTL pad
> +      - rxd0-skew-ps : Skew control of RX data 0 pad
> +      - rxd1-skew-ps : Skew control of RX data 1 pad
> +      - rxd2-skew-ps : Skew control of RX data 2 pad
> +      - rxd3-skew-ps : Skew control of RX data 3 pad
> +      - txd0-skew-ps : Skew control of TX data 0 pad
> +      - txd1-skew-ps : Skew control of TX data 1 pad
> +      - txd2-skew-ps : Skew control of TX data 2 pad
> +      - txd3-skew-ps : Skew control of TX data 3 pad
> +
>  Examples:
>  
>  	mdio {
> 


-- 
Florian