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# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/net/rockchip-dwmac.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Rockchip 10/100/1000 Ethernet driver(GMAC)
maintainers:
- David Wu <david.wu@rock-chips.com>
# We need a select here so we don't match all nodes with 'snps,dwmac'
select:
properties:
compatible:
contains:
enum:
- rockchip,px30-gmac
- rockchip,rk3128-gmac
- rockchip,rk3228-gmac
- rockchip,rk3288-gmac
- rockchip,rk3308-gmac
- rockchip,rk3328-gmac
- rockchip,rk3366-gmac
- rockchip,rk3368-gmac
- rockchip,rk3399-gmac
- rockchip,rk3568-gmac
- rockchip,rk3588-gmac
- rockchip,rv1108-gmac
- rockchip,rv1126-gmac
required:
- compatible
allOf:
- $ref: snps,dwmac.yaml#
properties:
compatible:
oneOf:
- items:
- enum:
- rockchip,px30-gmac
- rockchip,rk3128-gmac
- rockchip,rk3228-gmac
- rockchip,rk3288-gmac
- rockchip,rk3308-gmac
- rockchip,rk3328-gmac
- rockchip,rk3366-gmac
- rockchip,rk3368-gmac
- rockchip,rk3399-gmac
- rockchip,rv1108-gmac
- items:
- enum:
- rockchip,rk3568-gmac
- rockchip,rk3588-gmac
- rockchip,rv1126-gmac
- const: snps,dwmac-4.20a
clocks:
minItems: 5
maxItems: 8
clock-names:
contains:
enum:
- stmmaceth
- mac_clk_tx
- mac_clk_rx
- aclk_mac
- pclk_mac
- clk_mac_ref
- clk_mac_refout
- clk_mac_speed
clock_in_out:
description:
For RGMII, it must be "input", means main clock(125MHz)
is not sourced from SoC's PLL, but input from PHY.
For RMII, "input" means PHY provides the reference clock(50MHz),
"output" means GMAC provides the reference clock.
$ref: /schemas/types.yaml#/definitions/string
enum: [input, output]
rockchip,grf:
description: The phandle of the syscon node for the general register file.
$ref: /schemas/types.yaml#/definitions/phandle
rockchip,php-grf:
description:
The phandle of the syscon node for the peripheral general register file.
$ref: /schemas/types.yaml#/definitions/phandle
tx_delay:
description: Delay value for TXD timing.
$ref: /schemas/types.yaml#/definitions/uint32
minimum: 0
maximum: 0x7F
default: 0x30
rx_delay:
description: Delay value for RXD timing.
$ref: /schemas/types.yaml#/definitions/uint32
minimum: 0
maximum: 0x7F
default: 0x10
phy-supply:
description: PHY regulator
required:
- compatible
- clocks
- clock-names
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/rk3288-cru.h>
gmac: ethernet@ff290000 {
compatible = "rockchip,rk3288-gmac";
reg = <0xff290000 0x10000>;
interrupts = <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "macirq";
clocks = <&cru SCLK_MAC>,
<&cru SCLK_MAC_RX>, <&cru SCLK_MAC_TX>,
<&cru SCLK_MACREF>, <&cru SCLK_MACREF_OUT>,
<&cru ACLK_GMAC>, <&cru PCLK_GMAC>;
clock-names = "stmmaceth",
"mac_clk_rx", "mac_clk_tx",
"clk_mac_ref", "clk_mac_refout",
"aclk_mac", "pclk_mac";
assigned-clocks = <&cru SCLK_MAC>;
assigned-clock-parents = <&ext_gmac>;
rockchip,grf = <&grf>;
phy-mode = "rgmii";
clock_in_out = "input";
tx_delay = <0x30>;
rx_delay = <0x10>;
};
|
