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Message-ID: <20231023154649.45931-10-Parthiban.Veerasooran@microchip.com>
Date:   Mon, 23 Oct 2023 21:16:49 +0530
From:   Parthiban Veerasooran <Parthiban.Veerasooran@...rochip.com>
To:     <davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
        <pabeni@...hat.com>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <corbet@....net>, <steen.hegelund@...rochip.com>,
        <rdunlap@...radead.org>, <horms@...nel.org>,
        <casper.casan@...il.com>, <andrew@...n.ch>
CC:     <netdev@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-doc@...r.kernel.org>,
        <horatiu.vultur@...rochip.com>, <Woojung.Huh@...rochip.com>,
        <Nicolas.Ferre@...rochip.com>, <UNGLinuxDriver@...rochip.com>,
        <Thorsten.Kummermehr@...rochip.com>,
        Parthiban Veerasooran <Parthiban.Veerasooran@...rochip.com>
Subject: [PATCH net-next v2 9/9] dt-bindings: net: add Microchip's LAN865X 10BASE-T1S MACPHY

Add DT bindings for Microchip's LAN865X 10BASE-T1S MACPHY. The LAN8650/1
combines a Media Access Controller (MAC) and an Ethernet PHY to enable
10BASE‑T1S networks. The Ethernet Media Access Controller (MAC) module
implements a 10 Mbps half duplex Ethernet MAC, compatible with the IEEE
802.3 standard and a 10BASE-T1S physical layer transceiver integrated
into the LAN8650/1. The communication between the Host and the MAC-PHY is
specified in the OPEN Alliance 10BASE-T1x MACPHY Serial Interface (TC6).

Signed-off-by: Parthiban Veerasooran <Parthiban.Veerasooran@...rochip.com>
---
 .../bindings/net/microchip,lan865x.yaml       | 101 ++++++++++++++++++
 MAINTAINERS                                   |   1 +
 2 files changed, 102 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/microchip,lan865x.yaml

diff --git a/Documentation/devicetree/bindings/net/microchip,lan865x.yaml b/Documentation/devicetree/bindings/net/microchip,lan865x.yaml
new file mode 100644
index 000000000000..974622dd6846
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/microchip,lan865x.yaml
@@ -0,0 +1,101 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/microchip,lan865x.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip LAN8650/1 10BASE-T1S MACPHY Ethernet Controllers
+
+maintainers:
+  - Parthiban Veerasooran <parthiban.veerasooran@...rochip.com>
+
+description:
+  The LAN8650/1 combines a Media Access Controller (MAC) and an Ethernet
+  PHY to enable 10BASE‑T1S networks. The Ethernet Media Access Controller
+  (MAC) module implements a 10 Mbps half duplex Ethernet MAC, compatible
+  with the IEEE 802.3 standard and a 10BASE-T1S physical layer transceiver
+  integrated into the LAN8650/1. The communication between the Host and
+  the MAC-PHY is specified in the OPEN Alliance 10BASE-T1x MACPHY Serial
+  Interface (TC6).
+
+  Specifications about the LAN8650/1 can be found at:
+    https://www.microchip.com/en-us/product/lan8650
+
+allOf:
+  - $ref: ethernet-controller.yaml#
+
+properties:
+  compatible:
+    const: microchip,lan865x
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    description:
+      Interrupt from MAC-PHY asserted in the event of Receive Chunks
+      Available, Transmit Chunk Credits Available and Extended Status
+      Event.
+    maxItems: 1
+
+  local-mac-address:
+    description:
+      Specifies the MAC address assigned to the network device.
+    $ref: /schemas/types.yaml#/definitions/uint8-array
+    minItems: 6
+    maxItems: 6
+
+  spi-max-frequency:
+    minimum: 15000000
+    maximum: 25000000
+
+  oa-tc6:
+    $ref: oa-tc6.yaml#
+    unevaluatedProperties: true
+
+  "#address-cells":
+    const: 1
+
+  "#size-cells":
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - pinctrl-names
+  - pinctrl-0
+  - interrupts
+  - interrupt-parent
+  - local-mac-address
+  - spi-max-frequency
+  - oa-tc6
+
+additionalProperties: false
+
+examples:
+  - |
+    spi {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      ethernet@0 {
+        compatible = "microchip,lan865x";
+        reg = <0>;
+        pinctrl-names = "default";
+        pinctrl-0 = <&eth0_pins>;
+        interrupt-parent = <&gpio>;
+        interrupts = <6 IRQ_TYPE_EDGE_FALLING>;
+        local-mac-address = [04 05 06 01 02 03];
+        spi-max-frequency = <15000000>;
+        status = "okay";
+        oa-tc6 {
+          #address-cells = <1>;
+          #size-cells = <0>;
+          oa-cps = <64>;
+          oa-txcte;
+	  oa_rxcte;
+	  oa-prote;
+	  oa-dprac;
+        };
+      };
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index 1b1bd3218a2d..d2b3c0e8d97e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -14005,6 +14005,7 @@ MICROCHIP LAN8650/1 10BASE-T1S MACPHY ETHERNET DRIVER
 M:	Parthiban Veerasooran <parthiban.veerasooran@...rochip.com>
 L:	netdev@...r.kernel.org
 S:	Maintained
+F:	Documentation/devicetree/bindings/net/microchip,lan865x.yaml
 F:	drivers/net/ethernet/microchip/lan865x.c
 
 MICROCHIP LAN87xx/LAN937x T1 PHY DRIVER
-- 
2.34.1

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