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# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/net/rockchip,emac.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Rockchip RK3036/RK3066/RK3188 Ethernet Media Access Controller (EMAC)
maintainers:
- Heiko Stuebner <heiko@sntech.de>
properties:
compatible:
enum:
- rockchip,rk3036-emac
- rockchip,rk3066-emac
- rockchip,rk3188-emac
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
minItems: 2
items:
- description: host clock
- description: reference clock
- description: mac TX/RX clock
clock-names:
minItems: 2
items:
- const: hclk
- const: macref
- const: macclk
rockchip,grf:
$ref: /schemas/types.yaml#/definitions/phandle
description:
Phandle to the syscon GRF used to control speed and mode for the EMAC.
phy-supply:
description:
Phandle to a regulator if the PHY needs one.
mdio:
$ref: mdio.yaml#
unevaluatedProperties: false
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
- rockchip,grf
- phy
- phy-mode
- mdio
allOf:
- $ref: "ethernet-controller.yaml#"
- if:
properties:
compatible:
contains:
const: rockchip,rk3036-emac
then:
properties:
clocks:
minItems: 3
clock-names:
minItems: 3
else:
properties:
clocks:
maxItems: 2
clock-names:
maxItems: 2
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/clock/rk3188-cru-common.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
ethernet@10204000 {
compatible = "rockchip,rk3188-emac";
reg = <0xc0fc2000 0x3c>;
interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cru HCLK_EMAC>, <&cru SCLK_MAC>;
clock-names = "hclk", "macref";
rockchip,grf = <&grf>;
pinctrl-0 = <&emac_xfer>, <&emac_mdio>, <&phy_int>;
pinctrl-names = "default";
phy = <&phy0>;
phy-mode = "rmii";
phy-supply = <&vcc_rmii>;
mdio {
#address-cells = <1>;
#size-cells = <0>;
phy0: ethernet-phy@0 {
reg = <1>;
};
};
};
|
