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From: Parthiban Veerasooran <Parthiban.Veerasooran@microchip.com>
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CC: <UNGLinuxDriver@microchip.com>, <Thorsten.Kummermehr@microchip.com>,
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	Parthiban Veerasooran <Parthiban.Veerasooran@microchip.com>
Subject: [PATCH net-next v4 12/12] dt-bindings: net: add Microchip's LAN865X 10BASE-T1S MACPHY
Date: Thu, 18 Apr 2024 18:26:48 +0530
Message-ID: <20240418125648.372526-13-Parthiban.Veerasooran@microchip.com>
In-Reply-To: <20240418125648.372526-1-Parthiban.Veerasooran@microchip.com>
References: <20240418125648.372526-1-Parthiban.Veerasooran@microchip.com>
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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@microchip.com>
---
 .../bindings/net/microchip,lan865x.yaml       | 80 +++++++++++++++++++
 MAINTAINERS                                   |  1 +
 2 files changed, 81 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..4fdec0ba3532
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/microchip,lan865x.yaml
@@ -0,0 +1,80 @@
+# 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@microchip.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).
+
+allOf:
+  - $ref: ethernet-controller.yaml#
+  - $ref: /schemas/spi/spi-peripheral-props.yaml#
+
+properties:
+  compatible:
+    oneOf:
+      - const: microchip,lan8650
+      - items:
+          - const: microchip,lan8651
+          - const: microchip,lan8650
+
+  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
+
+  spi-max-frequency:
+    minimum: 15000000
+    maximum: 25000000
+
+  "#address-cells":
+    const: 1
+
+  "#size-cells":
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - spi-max-frequency
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/gpio/gpio.h>
+
+    spi {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      ethernet@0 {
+        compatible = "microchip,lan8651", "microchip,lan8650";
+        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>;
+      };
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index f41b7f2257d2..2172431a1935 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -14378,6 +14378,7 @@ MICROCHIP LAN8650/1 10BASE-T1S MACPHY ETHERNET DRIVER
 M:	Parthiban Veerasooran <parthiban.veerasooran@microchip.com>
 L:	netdev@vger.kernel.org
 S:	Maintained
+F:	Documentation/devicetree/bindings/net/microchip,lan865x.yaml
 F:	drivers/net/ethernet/microchip/lan865x/lan865x.c
 
 MICROCHIP LAN87xx/LAN937x T1 PHY DRIVER
-- 
2.34.1