linux-kernel - [net-next v3 3/3] dt-bindings: net: adin1110: Add docs

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Message-Id: <20220802155947.83060-4-andrei.tachici@stud.acs.upb.ro>
Date:   Tue,  2 Aug 2022 18:59:47 +0300
From:   andrei.tachici@...d.acs.upb.ro
To:     linux-kernel@...r.kernel.org
Cc:     andrew@...n.ch, hkallweit1@...il.com, linux@...linux.org.uk,
        davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, netdev@...r.kernel.org,
        vegard.nossum@...cle.com, joel@....id.au, l.stelmach@...sung.com,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        devicetree@...r.kernel.org
Subject: [net-next v3 3/3] dt-bindings: net: adin1110: Add docs

From: Alexandru Tachici <alexandru.tachici@...log.com>

Add bindings for the ADIN1110/2111 MAC-PHY/SWITCH.

Signed-off-by: Alexandru Tachici <alexandru.tachici@...log.com>
---
 .../devicetree/bindings/net/adi,adin1110.yaml | 82 +++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/adi,adin1110.yaml

diff --git a/Documentation/devicetree/bindings/net/adi,adin1110.yaml b/Documentation/devicetree/bindings/net/adi,adin1110.yaml
new file mode 100644
index 000000000000..b929b677f16a
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/adi,adin1110.yaml
@@ -0,0 +1,82 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/adi,adin1110.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ADI ADIN1110 MAC-PHY
+
+maintainers:
+  - Alexandru Tachici <alexandru.tachici@...log.com>
+
+description: |
+  The ADIN1110 is a low power single port 10BASE-T1L MAC-
+  PHY designed for industrial Ethernet applications. It integrates
+  an Ethernet PHY core with a MAC and all the associated analog
+  circuitry, input and output clock buffering.
+
+  The ADIN2111 is a low power, low complexity, two-Ethernet ports
+  switch with integrated 10BASE-T1L PHYs and one serial peripheral
+  interface (SPI) port. The device is designed for industrial Ethernet
+  applications using low power constrained nodes and is compliant
+  with the IEEE 802.3cg-2019 Ethernet standard for long reach
+  10 Mbps single pair Ethernet (SPE).
+
+  The device has a 4-wire SPI interface for communication
+  between the MAC and host processor.
+
+allOf:
+  - $ref: ethernet-controller.yaml#
+  - $ref: /schemas/spi/spi-peripheral-props.yaml#
+
+properties:
+  compatible:
+    enum:
+      - adi,adin1110
+      - adi,adin2111
+
+  '#address-cells':
+    const: 1
+
+  '#size-cells':
+    const: 0
+
+  reg:
+    maxItems: 1
+
+  adi,spi-crc:
+    description: |
+      Enable CRC8 checks on SPI read/writes.
+    type: boolean
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    spi {
+        ethernet@0 {
+            compatible = "adi,adin2111";
+            reg = <0>;
+            spi-max-frequency = <24500000>;
+
+            adi,spi-crc;
+
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            interrupt-parent = <&gpio>;
+            interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
+
+            local-mac-address = [ 00 11 22 33 44 55 ];
+        };
+    };
-- 
2.25.1