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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/net/amd,xgbe-seattle-v1a.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: AMD XGBE Seattle v1a
maintainers:
- Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
allOf:
- $ref: /schemas/net/ethernet-controller.yaml#
properties:
compatible:
const: amd,xgbe-seattle-v1a
reg:
items:
- description: MAC registers
- description: PCS registers
- description: SerDes Rx/Tx registers
- description: SerDes integration registers (1/2)
- description: SerDes integration registers (2/2)
interrupts:
description: Device interrupts. The first entry is the general device
interrupt. If amd,per-channel-interrupt is specified, each DMA channel
interrupt must be specified. The last entry is the PCS auto-negotiation
interrupt.
minItems: 2
maxItems: 6
clocks:
items:
- description: DMA clock for the device
- description: PTP clock for the device
clock-names:
items:
- const: dma_clk
- const: ptp_clk
iommus:
maxItems: 1
phy-mode: true
dma-coherent: true
amd,per-channel-interrupt:
description: Indicates that Rx and Tx complete will generate a unique
interrupt for each DMA channel.
type: boolean
amd,speed-set:
description: >
Speed capabilities of the device.
0 = 1GbE and 10GbE
1 = 2.5GbE and 10GbE
$ref: /schemas/types.yaml#/definitions/uint32
enum: [0, 1]
amd,serdes-blwc:
description: Baseline wandering correction enablement for each speed.
$ref: /schemas/types.yaml#/definitions/uint32-array
minItems: 3
maxItems: 3
items:
enum: [0, 1]
amd,serdes-cdr-rate:
description: CDR rate speed selection for each speed.
$ref: /schemas/types.yaml#/definitions/uint32-array
items:
- description: CDR rate for 1GbE
- description: CDR rate for 2.5GbE
- description: CDR rate for 10GbE
amd,serdes-pq-skew:
description: PQ data sampling skew for each speed.
$ref: /schemas/types.yaml#/definitions/uint32-array
items:
- description: PQ skew for 1GbE
- description: PQ skew for 2.5GbE
- description: PQ skew for 10GbE
amd,serdes-tx-amp:
description: TX amplitude boost for each speed.
$ref: /schemas/types.yaml#/definitions/uint32-array
items:
- description: TX amplitude for 1GbE
- description: TX amplitude for 2.5GbE
- description: TX amplitude for 10GbE
amd,serdes-dfe-tap-config:
description: DFE taps available to run for each speed.
$ref: /schemas/types.yaml#/definitions/uint32-array
items:
- description: DFE taps available for 1GbE
- description: DFE taps available for 2.5GbE
- description: DFE taps available for 10GbE
amd,serdes-dfe-tap-enable:
description: DFE taps to enable for each speed.
$ref: /schemas/types.yaml#/definitions/uint32-array
items:
- description: DFE taps to enable for 1GbE
- description: DFE taps to enable for 2.5GbE
- description: DFE taps to enable for 10GbE
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
- phy-mode
unevaluatedProperties: false
examples:
- |
ethernet@e0700000 {
compatible = "amd,xgbe-seattle-v1a";
reg = <0xe0700000 0x80000>,
<0xe0780000 0x80000>,
<0xe1240800 0x00400>,
<0xe1250000 0x00060>,
<0xe1250080 0x00004>;
interrupts = <0 325 4>,
<0 326 1>, <0 327 1>, <0 328 1>, <0 329 1>,
<0 323 4>;
amd,per-channel-interrupt;
clocks = <&xgbe_dma_clk>, <&xgbe_ptp_clk>;
clock-names = "dma_clk", "ptp_clk";
phy-mode = "xgmii";
mac-address = [ 02 a1 a2 a3 a4 a5 ];
amd,speed-set = <0>;
amd,serdes-blwc = <1>, <1>, <0>;
amd,serdes-cdr-rate = <2>, <2>, <7>;
amd,serdes-pq-skew = <10>, <10>, <30>;
amd,serdes-tx-amp = <15>, <15>, <10>;
amd,serdes-dfe-tap-config = <3>, <3>, <1>;
amd,serdes-dfe-tap-enable = <0>, <0>, <127>;
};
|
