322 lines
7.3 KiB
YAML
322 lines
7.3 KiB
YAML
# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/net/allwinner,sun8i-a83t-emac.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Allwinner A83t EMAC Device Tree Bindings
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maintainers:
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- Chen-Yu Tsai <wens@csie.org>
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- Maxime Ripard <mripard@kernel.org>
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properties:
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compatible:
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oneOf:
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- const: allwinner,sun8i-a83t-emac
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- const: allwinner,sun8i-h3-emac
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- const: allwinner,sun8i-r40-emac
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- const: allwinner,sun8i-v3s-emac
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- const: allwinner,sun50i-a64-emac
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- items:
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- enum:
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- allwinner,sun20i-d1-emac
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- allwinner,sun50i-h6-emac
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- const: allwinner,sun50i-a64-emac
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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interrupt-names:
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const: macirq
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clocks:
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maxItems: 1
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clock-names:
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const: stmmaceth
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syscon:
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$ref: /schemas/types.yaml#/definitions/phandle
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description:
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Phandle to the device containing the EMAC or GMAC clock
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register
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required:
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- compatible
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- reg
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- interrupts
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- interrupt-names
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- clocks
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- clock-names
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- resets
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- reset-names
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- phy-handle
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- phy-mode
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- syscon
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allOf:
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- $ref: "snps,dwmac.yaml#"
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- if:
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properties:
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compatible:
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contains:
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enum:
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- allwinner,sun8i-a83t-emac
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- allwinner,sun8i-h3-emac
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- allwinner,sun8i-v3s-emac
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- allwinner,sun50i-a64-emac
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then:
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properties:
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allwinner,tx-delay-ps:
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default: 0
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minimum: 0
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maximum: 700
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multipleOf: 100
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description:
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External RGMII PHY TX clock delay chain value in ps.
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allwinner,rx-delay-ps:
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default: 0
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minimum: 0
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maximum: 3100
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multipleOf: 100
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description:
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External RGMII PHY TX clock delay chain value in ps.
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- if:
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properties:
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compatible:
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contains:
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enum:
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- allwinner,sun8i-r40-emac
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then:
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properties:
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allwinner,rx-delay-ps:
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default: 0
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minimum: 0
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maximum: 700
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multipleOf: 100
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description:
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External RGMII PHY TX clock delay chain value in ps.
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- if:
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properties:
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compatible:
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contains:
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enum:
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- allwinner,sun8i-h3-emac
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- allwinner,sun8i-v3s-emac
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then:
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properties:
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allwinner,leds-active-low:
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$ref: /schemas/types.yaml#/definitions/flag
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description:
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EPHY LEDs are active low.
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mdio-mux:
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type: object
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properties:
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compatible:
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const: allwinner,sun8i-h3-mdio-mux
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mdio-parent-bus:
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$ref: /schemas/types.yaml#/definitions/phandle
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description:
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Phandle to EMAC MDIO.
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mdio@1:
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type: object
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description: Internal MDIO Bus
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properties:
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"#address-cells":
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const: 1
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"#size-cells":
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const: 0
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compatible:
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const: allwinner,sun8i-h3-mdio-internal
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reg:
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const: 1
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patternProperties:
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"^ethernet-phy@[0-9a-f]$":
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type: object
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description:
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Integrated PHY node
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properties:
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clocks:
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maxItems: 1
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resets:
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maxItems: 1
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required:
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- clocks
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- resets
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mdio@2:
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type: object
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description: External MDIO Bus (H3 only)
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properties:
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"#address-cells":
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const: 1
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"#size-cells":
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const: 0
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reg:
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const: 2
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required:
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- compatible
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- mdio-parent-bus
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- mdio@1
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unevaluatedProperties: false
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examples:
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- |
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ethernet@1c0b000 {
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compatible = "allwinner,sun8i-h3-emac";
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syscon = <&syscon>;
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reg = <0x01c0b000 0x104>;
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interrupts = <0 82 1>;
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interrupt-names = "macirq";
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resets = <&ccu 12>;
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reset-names = "stmmaceth";
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clocks = <&ccu 27>;
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clock-names = "stmmaceth";
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phy-handle = <&int_mii_phy>;
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phy-mode = "mii";
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allwinner,leds-active-low;
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mdio1: mdio {
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#address-cells = <1>;
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#size-cells = <0>;
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compatible = "snps,dwmac-mdio";
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};
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mdio-mux {
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compatible = "allwinner,sun8i-h3-mdio-mux";
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#address-cells = <1>;
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#size-cells = <0>;
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mdio-parent-bus = <&mdio1>;
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int_mii_phy: mdio@1 {
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compatible = "allwinner,sun8i-h3-mdio-internal";
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reg = <1>;
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#address-cells = <1>;
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#size-cells = <0>;
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ethernet-phy@1 {
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reg = <1>;
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clocks = <&ccu 67>;
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resets = <&ccu 39>;
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phy-is-integrated;
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};
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};
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mdio@2 {
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reg = <2>;
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#address-cells = <1>;
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#size-cells = <0>;
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};
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};
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};
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- |
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ethernet@1c0b000 {
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compatible = "allwinner,sun8i-h3-emac";
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syscon = <&syscon>;
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reg = <0x01c0b000 0x104>;
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interrupts = <0 82 1>;
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interrupt-names = "macirq";
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resets = <&ccu 12>;
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reset-names = "stmmaceth";
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clocks = <&ccu 27>;
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clock-names = "stmmaceth";
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phy-handle = <&ext_rgmii_phy>;
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phy-mode = "rgmii";
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allwinner,leds-active-low;
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mdio2: mdio {
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#address-cells = <1>;
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#size-cells = <0>;
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compatible = "snps,dwmac-mdio";
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};
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mdio-mux {
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compatible = "allwinner,sun8i-h3-mdio-mux";
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#address-cells = <1>;
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#size-cells = <0>;
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mdio-parent-bus = <&mdio2>;
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mdio@1 {
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compatible = "allwinner,sun8i-h3-mdio-internal";
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reg = <1>;
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#address-cells = <1>;
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#size-cells = <0>;
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ethernet-phy@1 {
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reg = <1>;
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clocks = <&ccu 67>;
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resets = <&ccu 39>;
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};
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};
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mdio@2 {
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reg = <2>;
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#address-cells = <1>;
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#size-cells = <0>;
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ext_rgmii_phy: ethernet-phy@1 {
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reg = <1>;
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};
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};
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};
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};
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ethernet@1c0b000 {
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compatible = "allwinner,sun8i-a83t-emac";
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syscon = <&syscon>;
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reg = <0x01c0b000 0x104>;
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interrupts = <0 82 1>;
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interrupt-names = "macirq";
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resets = <&ccu 13>;
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reset-names = "stmmaceth";
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clocks = <&ccu 27>;
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clock-names = "stmmaceth";
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phy-handle = <&ext_rgmii_phy1>;
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phy-mode = "rgmii";
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mdio {
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compatible = "snps,dwmac-mdio";
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#address-cells = <1>;
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#size-cells = <0>;
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ext_rgmii_phy1: ethernet-phy@1 {
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reg = <1>;
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};
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};
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};
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...
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