diff mbox series

[v2,net-next,1/9] dt-bindings: net: dsa: dt bindings for microchip lan937x

Message ID 20210422094257.1641396-2-prasanna.vengateshan@microchip.com
State Superseded
Headers show
Series [v2,net-next,1/9] dt-bindings: net: dsa: dt bindings for microchip lan937x | expand

Commit Message

Prasanna Vengateshan April 22, 2021, 9:42 a.m. UTC
Documentation in .yaml format and updates to the MAINTAINERS
Also 'make dt_binding_check' is passed

Signed-off-by: Prasanna Vengateshan <prasanna.vengateshan@microchip.com>
---
 .../bindings/net/dsa/microchip,lan937x.yaml   | 142 ++++++++++++++++++
 MAINTAINERS                                   |   1 +
 2 files changed, 143 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/dsa/microchip,lan937x.yaml

Comments

Prasanna Vengateshan April 26, 2021, 4:05 a.m. UTC | #1
On Thu, 2021-04-22 at 12:38 -0500, Rob Herring wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the

> content is safe

> 

> On Thu, Apr 22, 2021 at 03:12:49PM +0530, Prasanna Vengateshan wrote:

> > Documentation in .yaml format and updates to the MAINTAINERS

> > Also 'make dt_binding_check' is passed

> > 

> > Signed-off-by: Prasanna Vengateshan <prasanna.vengateshan@microchip.com>

> > ---

> >  .../bindings/net/dsa/microchip,lan937x.yaml   | 142 ++++++++++++++++++

> >  MAINTAINERS                                   |   1 +

> >  2 files changed, 143 insertions(+)

> >  create mode 100644

> > Documentation/devicetree/bindings/net/dsa/microchip,lan937x.yaml

> > 

> > diff --git

> > a/Documentation/devicetree/bindings/net/dsa/microchip,lan937x.yaml

> > b/Documentation/devicetree/bindings/net/dsa/microchip,lan937x.yaml

> > new file mode 100644

> > index 000000000000..22128a52d699

> > --- /dev/null

> > +++ b/Documentation/devicetree/bindings/net/dsa/microchip,lan937x.yaml

> > @@ -0,0 +1,142 @@

> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

> > +%YAML 1.2

> > +---

> > +$id: http://devicetree.org/schemas/net/dsa/microchip,lan937x.yaml#

> > +$schema: http://devicetree.org/meta-schemas/core.yaml#

> > +

> > +title: LAN937x Ethernet Switch Series Tree Bindings

> > +

> > +maintainers:

> > +  - UNGLinuxDriver@microchip.com

> > +

> > +allOf:

> > +  - $ref: dsa.yaml#

> > +

> > +properties:

> > +  compatible:

> > +    enum:

> > +      - microchip,lan9370

> > +      - microchip,lan9371

> > +      - microchip,lan9372

> > +      - microchip,lan9373

> > +      - microchip,lan9374

> > +

> > +  reg:

> > +    maxItems: 1

> > +

> > +  spi-max-frequency:

> > +    maximum: 50000000

> > +

> > +  reset-gpios:

> > +    description: Optional gpio specifier for a reset line

> > +    maxItems: 1

> > +

> > +required:

> > +  - compatible

> > +  - reg

> > +

> > +unevaluatedProperties: false

> > +

> > +examples:

> > +  - |

> > +    #include <dt-bindings/gpio/gpio.h>

> > +

> > +    //Ethernet switch connected via spi to the host

> 

> If this is on SPI, why is it not under the spi bus node?

Thanks for reviewing the patch. I will move this comment to above the spi node.

> 

> > +    ethernet {

> > +      #address-cells = <1>;

> > +      #size-cells = <0>;

> > +

> > +      fixed-link {

> > +        speed = <1000>;

> > +        full-duplex;

> > +      };

> > +    };

> > +

> > +    spi {

> > +      #address-cells = <1>;

> > +      #size-cells = <0>;

> > +

> > +      lan9374: switch@0 {

> > +        compatible = "microchip,lan9374";

> > +        reg = <0>;

> > +

> > +        spi-max-frequency = <44000000>;

> > +

> > +        ethernet-ports {

> > +          #address-cells = <1>;

> > +          #size-cells = <0>;

> > +          port@0 {

> > +            reg = <0>;

> > +            label = "lan1";

> > +            phy-handle = <&t1phy0>;

> > +          };

> > +          port@1 {

> > +            reg = <1>;

> > +            label = "lan2";

> > +            phy-handle = <&t1phy1>;

> > +          };

> > +          port@2 {

> > +            reg = <2>;

> > +            label = "lan4";

> > +            phy-handle = <&t1phy2>;

> > +          };

> > +          port@3 {

> > +            reg = <3>;

> > +            label = "lan6";

> > +            phy-handle = <&t1phy3>;

> > +          };

> > +          port@4 {

> > +            reg = <4>;

> > +            phy-mode = "rgmii";

> > +            ethernet = <&ethernet>;

> 

> You are missing 'ethernet' label.

This is the cpu port and label is not used anywhere. i received this feedback in
last patch version. 

> 

> > 

> > +          };

> > +        };

> > +

> > +        mdio {

> > +          compatible = "microchip,lan937x-mdio";

> 

> You can just drop this to make the example pass. Or convert that binding

> to schema.

Okay, will remove in the next revision. Also i have received an alternate
suggestion in the other patch to avoid usage of compatible string.

> 

> > 

> > --

> > 2.27.0

> >
Florian Fainelli April 26, 2021, 4:04 p.m. UTC | #2
On 4/25/21 9:05 PM, Prasanna Vengateshan wrote:
>>> +          port@4 {

>>> +            reg = <4>;

>>> +            phy-mode = "rgmii";

>>> +            ethernet = <&ethernet>;

>>

>> You are missing 'ethernet' label.

> This is the cpu port and label is not used anywhere. i received this feedback in

> last patch version. 


Your example of a CPU port node is valid here, we need an 'ethernet'
phandle to know this is a CPU port, otherwise it is just a regular
user-facing port.
-- 
Florian
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/net/dsa/microchip,lan937x.yaml b/Documentation/devicetree/bindings/net/dsa/microchip,lan937x.yaml
new file mode 100644
index 000000000000..22128a52d699
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/dsa/microchip,lan937x.yaml
@@ -0,0 +1,142 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/dsa/microchip,lan937x.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: LAN937x Ethernet Switch Series Tree Bindings
+
+maintainers:
+  - UNGLinuxDriver@microchip.com
+
+allOf:
+  - $ref: dsa.yaml#
+
+properties:
+  compatible:
+    enum:
+      - microchip,lan9370
+      - microchip,lan9371
+      - microchip,lan9372
+      - microchip,lan9373
+      - microchip,lan9374
+
+  reg:
+    maxItems: 1
+
+  spi-max-frequency:
+    maximum: 50000000
+
+  reset-gpios:
+    description: Optional gpio specifier for a reset line
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    //Ethernet switch connected via spi to the host
+    ethernet {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      fixed-link {
+        speed = <1000>;
+        full-duplex;
+      };
+    };
+
+    spi {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      lan9374: switch@0 {
+        compatible = "microchip,lan9374";
+        reg = <0>;
+
+        spi-max-frequency = <44000000>;
+
+        ethernet-ports {
+          #address-cells = <1>;
+          #size-cells = <0>;
+          port@0 {
+            reg = <0>;
+            label = "lan1";
+            phy-handle = <&t1phy0>;
+          };
+          port@1 {
+            reg = <1>;
+            label = "lan2";
+            phy-handle = <&t1phy1>;
+          };
+          port@2 {
+            reg = <2>;
+            label = "lan4";
+            phy-handle = <&t1phy2>;
+          };
+          port@3 {
+            reg = <3>;
+            label = "lan6";
+            phy-handle = <&t1phy3>;
+          };
+          port@4 {
+            reg = <4>;
+            phy-mode = "rgmii";
+            ethernet = <&ethernet>;
+            fixed-link {
+              speed = <1000>;
+              full-duplex;
+            };
+          };
+          port@5 {
+            reg = <5>;
+            label = "lan7";
+            fixed-link {
+              speed = <1000>;
+              full-duplex;
+            };
+          };
+          port@6 {
+            reg = <6>;
+            label = "lan5";
+            phy-handle = <&t1phy4>;
+          };
+          port@7 {
+            reg = <7>;
+            label = "lan3";
+            phy-handle = <&t1phy5>;
+          };
+        };
+
+        mdio {
+          compatible = "microchip,lan937x-mdio";
+          #address-cells = <1>;
+          #size-cells = <0>;
+
+          t1phy0: ethernet-phy@0{
+            reg = <0x0>;
+          };
+          t1phy1: ethernet-phy@1{
+            reg = <0x1>;
+          };
+          t1phy2: ethernet-phy@2{
+            reg = <0x2>;
+          };
+          t1phy3: ethernet-phy@3{
+            reg = <0x3>;
+          };
+          t1phy4: ethernet-phy@6{
+            reg = <0x6>;
+          };
+          t1phy5: ethernet-phy@7{
+            reg = <0x7>;
+          };
+        };
+      };
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index c3c8fa572580..a0fdfef8802a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -11752,6 +11752,7 @@  M:	UNGLinuxDriver@microchip.com
 L:	netdev@vger.kernel.org
 S:	Maintained
 F:	Documentation/devicetree/bindings/net/dsa/microchip,ksz.yaml
+F:	Documentation/devicetree/bindings/net/dsa/microchip,lan937x.yaml
 F:	drivers/net/dsa/microchip/*
 F:	include/linux/platform_data/microchip-ksz.h
 F:	net/dsa/tag_ksz.c