From: Stefan Wahren <stefan.wahren@i2se.com>
To: "David S . Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>
Cc: Rob Herring <robh+dt@kernel.org>, Andrew Lunn <andrew@lunn.ch>,
Michael Heimpold <michael.heimpold@in-tech.com>,
jimmy.shen@vertexcom.com, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
Stefan Wahren <stefan.wahren@i2se.com>
Subject: [PATCH RFC V2 2/4] dt-bindings: net: add Vertexcom MSE102x support
Date: Sat, 4 Dec 2021 14:17:49 +0100 [thread overview]
Message-ID: <1638623871-21805-3-git-send-email-stefan.wahren@i2se.com> (raw)
In-Reply-To: <1638623871-21805-1-git-send-email-stefan.wahren@i2se.com>
Add devicetree binding for the Vertexcom MSE102x Homeplug GreenPHY chip
as SPI device.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
.../devicetree/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 0000000..8156a9a
--- /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>;
+ };
+ };
--
2.7.4
next prev parent reply other threads:[~2021-12-04 13:18 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-04 13:17 [PATCH RFC V2 0/4] add Vertexcom MSE102x support Stefan Wahren
2021-12-04 13:17 ` [PATCH RFC V2 1/4] dt-bindings: add vendor Vertexcom Stefan Wahren
2021-12-04 13:17 ` Stefan Wahren [this message]
2021-12-04 13:17 ` [PATCH RFC V2 3/4] net: introduce media selection IF_PORT_HOMEPLUG Stefan Wahren
2021-12-06 19:29 ` Jakub Kicinski
2021-12-08 16:55 ` Stefan Wahren
2021-12-04 13:17 ` [PATCH RFC V2 4/4] net: vertexcom: Add MSE102x SPI support Stefan Wahren
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