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# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/net/allwinner,sun8i-a83t-emac.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Allwinner A83t EMAC
maintainers:
- Chen-Yu Tsai <wens@csie.org>
- Maxime Ripard <mripard@kernel.org>
properties:
compatible:
oneOf:
- const: allwinner,sun8i-a83t-emac
- const: allwinner,sun8i-h3-emac
- const: allwinner,sun8i-r40-gmac
- const: allwinner,sun8i-v3s-emac
- const: allwinner,sun50i-a64-emac
- items:
- enum:
- allwinner,sun20i-d1-emac
- allwinner,sun50i-h6-emac
- allwinner,sun50i-h616-emac0
- const: allwinner,sun50i-a64-emac
reg:
maxItems: 1
interrupts:
maxItems: 1
interrupt-names:
const: macirq
clocks:
maxItems: 1
clock-names:
const: stmmaceth
phy-supply:
description: PHY regulator
syscon:
$ref: /schemas/types.yaml#/definitions/phandle
description:
Phandle to the device containing the EMAC or GMAC clock
register
required:
- compatible
- reg
- interrupts
- interrupt-names
- clocks
- clock-names
- resets
- reset-names
- phy-handle
- phy-mode
- syscon
allOf:
- $ref: snps,dwmac.yaml#
- if:
properties:
compatible:
contains:
enum:
- allwinner,sun8i-a83t-emac
- allwinner,sun8i-h3-emac
- allwinner,sun8i-v3s-emac
- allwinner,sun50i-a64-emac
then:
properties:
allwinner,tx-delay-ps:
default: 0
minimum: 0
maximum: 700
multipleOf: 100
description:
External RGMII PHY TX clock delay chain value in ps.
allwinner,rx-delay-ps:
default: 0
minimum: 0
maximum: 3100
multipleOf: 100
description:
External RGMII PHY TX clock delay chain value in ps.
- if:
properties:
compatible:
contains:
enum:
- allwinner,sun8i-r40-gmac
then:
properties:
allwinner,rx-delay-ps:
default: 0
minimum: 0
maximum: 700
multipleOf: 100
description:
External RGMII PHY TX clock delay chain value in ps.
- if:
properties:
compatible:
contains:
enum:
- allwinner,sun8i-h3-emac
- allwinner,sun8i-v3s-emac
then:
properties:
allwinner,leds-active-low:
$ref: /schemas/types.yaml#/definitions/flag
description:
EPHY LEDs are active low.
mdio-mux:
type: object
unevaluatedProperties: false
properties:
compatible:
const: allwinner,sun8i-h3-mdio-mux
mdio-parent-bus:
$ref: /schemas/types.yaml#/definitions/phandle
description:
Phandle to EMAC MDIO.
"#address-cells":
const: 1
"#size-cells":
const: 0
mdio@1:
$ref: mdio.yaml#
unevaluatedProperties: false
description: Internal MDIO Bus
properties:
compatible:
const: allwinner,sun8i-h3-mdio-internal
reg:
const: 1
patternProperties:
"^ethernet-phy@[0-9a-f]$":
type: object
$ref: ethernet-phy.yaml#
unevaluatedProperties: false
description:
Integrated PHY node
properties:
clocks:
maxItems: 1
resets:
maxItems: 1
required:
- clocks
- resets
mdio@2:
$ref: mdio.yaml#
unevaluatedProperties: false
description: External MDIO Bus (H3 only)
properties:
reg:
const: 2
required:
- compatible
- mdio-parent-bus
- mdio@1
unevaluatedProperties: false
examples:
- |
ethernet@1c0b000 {
compatible = "allwinner,sun8i-h3-emac";
syscon = <&syscon>;
reg = <0x01c0b000 0x104>;
interrupts = <0 82 1>;
interrupt-names = "macirq";
resets = <&ccu 12>;
reset-names = "stmmaceth";
clocks = <&ccu 27>;
clock-names = "stmmaceth";
phy-handle = <&int_mii_phy>;
phy-mode = "mii";
allwinner,leds-active-low;
mdio1: mdio {
#address-cells = <1>;
#size-cells = <0>;
compatible = "snps,dwmac-mdio";
};
mdio-mux {
compatible = "allwinner,sun8i-h3-mdio-mux";
#address-cells = <1>;
#size-cells = <0>;
mdio-parent-bus = <&mdio1>;
int_mii_phy: mdio@1 {
compatible = "allwinner,sun8i-h3-mdio-internal";
reg = <1>;
#address-cells = <1>;
#size-cells = <0>;
ethernet-phy@1 {
reg = <1>;
clocks = <&ccu 67>;
resets = <&ccu 39>;
phy-is-integrated;
};
};
mdio@2 {
reg = <2>;
#address-cells = <1>;
#size-cells = <0>;
};
};
};
- |
ethernet@1c0b000 {
compatible = "allwinner,sun8i-h3-emac";
syscon = <&syscon>;
reg = <0x01c0b000 0x104>;
interrupts = <0 82 1>;
interrupt-names = "macirq";
resets = <&ccu 12>;
reset-names = "stmmaceth";
clocks = <&ccu 27>;
clock-names = "stmmaceth";
phy-handle = <&ext_rgmii_phy>;
phy-mode = "rgmii";
allwinner,leds-active-low;
mdio2: mdio {
#address-cells = <1>;
#size-cells = <0>;
compatible = "snps,dwmac-mdio";
};
mdio-mux {
compatible = "allwinner,sun8i-h3-mdio-mux";
#address-cells = <1>;
#size-cells = <0>;
mdio-parent-bus = <&mdio2>;
mdio@1 {
compatible = "allwinner,sun8i-h3-mdio-internal";
reg = <1>;
#address-cells = <1>;
#size-cells = <0>;
ethernet-phy@1 {
reg = <1>;
clocks = <&ccu 67>;
resets = <&ccu 39>;
};
};
mdio@2 {
reg = <2>;
#address-cells = <1>;
#size-cells = <0>;
ext_rgmii_phy: ethernet-phy@1 {
reg = <1>;
};
};
};
};
- |
ethernet@1c0b000 {
compatible = "allwinner,sun8i-a83t-emac";
syscon = <&syscon>;
reg = <0x01c0b000 0x104>;
interrupts = <0 82 1>;
interrupt-names = "macirq";
resets = <&ccu 13>;
reset-names = "stmmaceth";
clocks = <&ccu 27>;
clock-names = "stmmaceth";
phy-handle = <&ext_rgmii_phy1>;
phy-mode = "rgmii";
mdio {
compatible = "snps,dwmac-mdio";
#address-cells = <1>;
#size-cells = <0>;
ext_rgmii_phy1: ethernet-phy@1 {
reg = <1>;
};
};
};
...
|
