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Subject[PATCH v5 03/11] dt-bindings: net: add a binding document for MediaTek STAR Ethernet MAC
Date
From: Bartosz Golaszewski <bgolaszewski@baylibre.com>

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

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
---
.../bindings/net/mediatek,eth-mac.yaml | 89 +++++++++++++++++++
1 file changed, 89 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..f85d91a9d6e5
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/mediatek,eth-mac.yaml
@@ -0,0 +1,89 @@
+# 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 STAR Ethernet MAC Controller
+
+maintainers:
+ - Bartosz Golaszewski <bgolaszewski@baylibre.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.
+
+allOf:
+ - $ref: "ethernet-controller.yaml#"
+
+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. This is used
+ to control the MII mode.
+
+ mdio:
+ type: object
+ description:
+ Creates and registers an MDIO bus.
+
+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@11180000 {
+ compatible = "mediatek,mt8516-eth";
+ reg = <0x11180000 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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