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Date:   Mon, 11 May 2020 17:07:47 +0200
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     Rob Herring <robh+dt@...nel.org>,
        "David S . Miller" <davem@...emloft.net>,
        Matthias Brugger <matthias.bgg@...il.com>,
        John Crispin <john@...ozen.org>,
        Sean Wang <sean.wang@...iatek.com>,
        Mark Lee <Mark-MC.Lee@...iatek.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Fabien Parent <fparent@...libre.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Edwin Peer <edwin.peer@...adcom.com>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        Stephane Le Provost <stephane.leprovost@...iatek.com>,
        Pedro Tsai <pedro.tsai@...iatek.com>,
        Andrew Perepech <andrew.perepech@...iatek.com>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: [PATCH v2 02/14] dt-bindings: net: add a binding document for MediaTek Ethernet MAC

From: Bartosz Golaszewski <bgolaszewski@...libre.com>

This adds yaml DT bindings for the MediaTek Ethernet MAC present on the
mt8* family of SoCs.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
---
 .../bindings/net/mediatek,eth-mac.yaml        | 80 +++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/mediatek,eth-mac.yaml

diff --git a/Documentation/devicetree/bindings/net/mediatek,eth-mac.yaml b/Documentation/devicetree/bindings/net/mediatek,eth-mac.yaml
new file mode 100644
index 000000000000..7682fe9d8109
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/mediatek,eth-mac.yaml
@@ -0,0 +1,80 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/mediatek,eth-mac.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek Ethernet MAC Controller
+
+maintainers:
+  - Bartosz Golaszewski <bgolaszewski@...libre.com>
+
+description:
+  This Ethernet MAC is used on the MT8* family of SoCs from MediaTek.
+  It's compliant with 802.3 standards and supports half- and full-duplex
+  modes with flow-control as well as CRC offloading and VLAN tags.
+
+properties:
+  compatible:
+    enum:
+      - mediatek,mt8516-eth
+      - mediatek,mt8518-eth
+      - mediatek,mt8175-eth
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    minItems: 3
+    maxItems: 3
+
+  clock-names:
+    additionalItems: false
+    items:
+      - const: core
+      - const: reg
+      - const: trans
+
+  mediatek,pericfg:
+    $ref: /schemas/types.yaml#definitions/phandle
+    description:
+      Phandle to the device containing the PERICFG register range.
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+  - mediatek,pericfg
+  - phy-handle
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/clock/mt8516-clk.h>
+
+    ethernet: ethernet@...80000 {
+        compatible = "mediatek,mt8516-eth";
+        reg = <0 0x11180000 0 0x1000>;
+        mediatek,pericfg = <&pericfg>;
+        interrupts = <GIC_SPI 111 IRQ_TYPE_LEVEL_LOW>;
+        clocks = <&topckgen CLK_TOP_RG_ETH>,
+                 <&topckgen CLK_TOP_66M_ETH>,
+                 <&topckgen CLK_TOP_133M_ETH>;
+        clock-names = "core", "reg", "trans";
+        phy-handle = <&eth_phy>;
+        phy-mode = "rmii";
+
+        mdio {
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            eth_phy: ethernet-phy@0 {
+                reg = <0>;
+            };
+        };
+    };
-- 
2.25.0

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