Thread (13 messages) flat view 13 messages, 5 authors, 2021-09-21
STALE1786d

Revision rfc of 3 in this series.

Revisions (3)
  1. rfc current
  2. v2 [diff vs current]
  3. v3 [diff vs current]

[PATCH RFC 2/3] dt-bindings: net: add Vertexcom MSE102x support

From: Stefan Wahren <hidden>
Date: 2021-09-14 15:19:03
Also in: lkml, netdev
Subsystem: networking drivers, open firmware and flattened device tree bindings, the rest · Maintainers: Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds

Add devicetree binding for the Vertexcom MSE102x Homeplug GreenPHY chip
as SPI device.

Signed-off-by: Stefan Wahren <redacted>
---
 .../bindings/net/vertexcom-mse102x.yaml       | 71 +++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/vertexcom-mse102x.yaml
diff --git a/Documentation/devicetree/bindings/net/vertexcom-mse102x.yaml b/Documentation/devicetree/bindings/net/vertexcom-mse102x.yaml
new file mode 100644
index 000000000000..d1a4159a8449
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/vertexcom-mse102x.yaml
@@ -0,0 +1,71 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/net/vertexcom-mse102x.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: The Vertexcom MSE102x (SPI) Device Tree Bindings
+
+maintainers:
+  - Stefan Wahren <stefan.wahren@in-tech.com>
+
+description:
+  Vertexcom's MSE102x are a family of HomePlug GreenPHY chips.
+  They can be connected either via RGMII, RMII or SPI to a host CPU.
+
+  In order to use a MSE102x chip as SPI device, it must be defined as
+  a child of an SPI master device in the device tree.
+
+  More information can be found at
+    http://www.vertexcom.com/doc/MSE1022%20Product%20Brief.pdf
+
+allOf:
+  - $ref: ethernet-controller.yaml#
+
+properties:
+  compatible:
+    enum:
+      - vertexcom,mse1021
+      - vertexcom,mse1022
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  spi-cpha: true
+
+  spi-cpol: true
+
+  spi-max-frequency:
+    minimum: 6000000
+    maximum: 7142857
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - spi-cpha
+  - spi-cpol
+  - spi-max-frequency
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    spi0 {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        ethernet@0 {
+            compatible = "vertexcom,mse1021";
+            reg = <0>;
+            interrupt-parent = <&gpio>;
+            interrupts = <23 IRQ_TYPE_EDGE_RISING>;
+            spi-cpha;
+            spi-cpol;
+            spi-max-frequency = <7142857>;
+        };
+    };
-- 
2.17.1
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