534 lines
16 KiB
YAML
534 lines
16 KiB
YAML
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# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/net/snps,dwmac.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Synopsys DesignWare MAC
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maintainers:
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- Alexandre Torgue <alexandre.torgue@foss.st.com>
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- Giuseppe Cavallaro <peppe.cavallaro@st.com>
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- Jose Abreu <joabreu@synopsys.com>
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# Select every compatible, including the deprecated ones. This way, we
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# will be able to report a warning when we have that compatible, since
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# we will validate the node thanks to the select, but won't report it
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# as a valid value in the compatible property description
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select:
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properties:
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compatible:
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contains:
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enum:
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- snps,dwmac
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- snps,dwmac-3.40a
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- snps,dwmac-3.50a
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- snps,dwmac-3.610
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- snps,dwmac-3.70a
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- snps,dwmac-3.710
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- snps,dwmac-4.00
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- snps,dwmac-4.10a
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- snps,dwmac-4.20a
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- snps,dwmac-5.10a
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- snps,dwxgmac
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- snps,dwxgmac-2.10
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# Deprecated
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- st,spear600-gmac
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required:
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- compatible
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properties:
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# We need to include all the compatibles from schemas that will
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# include that schemas, otherwise compatible won't validate for
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# those.
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compatible:
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contains:
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enum:
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- allwinner,sun7i-a20-gmac
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- allwinner,sun8i-a83t-emac
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- allwinner,sun8i-h3-emac
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- allwinner,sun8i-r40-gmac
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- allwinner,sun8i-v3s-emac
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- allwinner,sun50i-a64-emac
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- amlogic,meson6-dwmac
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- amlogic,meson8b-dwmac
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- amlogic,meson8m2-dwmac
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- amlogic,meson-gxbb-dwmac
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- amlogic,meson-axg-dwmac
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- ingenic,jz4775-mac
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- ingenic,x1000-mac
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- ingenic,x1600-mac
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- ingenic,x1830-mac
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- ingenic,x2000-mac
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- loongson,ls2k-dwmac
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- loongson,ls7a-dwmac
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- renesas,r9a06g032-gmac
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- renesas,rzn1-gmac
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- rockchip,px30-gmac
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- rockchip,rk3128-gmac
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- rockchip,rk3228-gmac
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- rockchip,rk3288-gmac
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- rockchip,rk3328-gmac
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- rockchip,rk3366-gmac
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- rockchip,rk3368-gmac
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- rockchip,rk3588-gmac
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- rockchip,rk3399-gmac
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- rockchip,rv1108-gmac
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- snps,dwmac
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- snps,dwmac-3.40a
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- snps,dwmac-3.50a
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- snps,dwmac-3.610
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- snps,dwmac-3.70a
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- snps,dwmac-3.710
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- snps,dwmac-4.00
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- snps,dwmac-4.10a
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- snps,dwmac-4.20a
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- snps,dwmac-5.10a
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- snps,dwxgmac
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- snps,dwxgmac-2.10
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reg:
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minItems: 1
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maxItems: 2
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interrupts:
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minItems: 1
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items:
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- description: Combined signal for various interrupt events
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- description: The interrupt to manage the remote wake-up packet detection
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- description: The interrupt that occurs when Rx exits the LPI state
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interrupt-names:
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minItems: 1
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items:
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- const: macirq
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- const: eth_wake_irq
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- const: eth_lpi
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clocks:
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minItems: 1
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maxItems: 8
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additionalItems: true
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items:
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- description: GMAC main clock
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- description: Peripheral registers interface clock
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- description:
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PTP reference clock. This clock is used for programming the
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Timestamp Addend Register. If not passed then the system
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clock will be used and this is fine on some platforms.
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clock-names:
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minItems: 1
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maxItems: 8
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additionalItems: true
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contains:
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enum:
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- stmmaceth
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- pclk
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- ptp_ref
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resets:
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maxItems: 1
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description:
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MAC Reset signal.
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reset-names:
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const: stmmaceth
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power-domains:
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maxItems: 1
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mac-mode:
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$ref: ethernet-controller.yaml#/properties/phy-connection-type
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description:
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The property is identical to 'phy-mode', and assumes that there is mode
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converter in-between the MAC & PHY (e.g. GMII-to-RGMII). This converter
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can be passive (no SW requirement), and requires that the MAC operate
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in a different mode than the PHY in order to function.
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snps,axi-config:
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$ref: /schemas/types.yaml#/definitions/phandle
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description:
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AXI BUS Mode parameters. Phandle to a node that can contain the
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following properties
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* snps,lpi_en, enable Low Power Interface
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* snps,xit_frm, unlock on WoL
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* snps,wr_osr_lmt, max write outstanding req. limit
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* snps,rd_osr_lmt, max read outstanding req. limit
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* snps,kbbe, do not cross 1KiB boundary.
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* snps,blen, this is a vector of supported burst length.
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* snps,fb, fixed-burst
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* snps,mb, mixed-burst
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* snps,rb, rebuild INCRx Burst
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snps,mtl-rx-config:
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$ref: /schemas/types.yaml#/definitions/phandle
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description:
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Multiple RX Queues parameters. Phandle to a node that can
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contain the following properties
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* snps,rx-queues-to-use, number of RX queues to be used in the
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driver
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* Choose one of these RX scheduling algorithms
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* snps,rx-sched-sp, Strict priority
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* snps,rx-sched-wsp, Weighted Strict priority
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* For each RX queue
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* Choose one of these modes
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* snps,dcb-algorithm, Queue to be enabled as DCB
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* snps,avb-algorithm, Queue to be enabled as AVB
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* snps,map-to-dma-channel, Channel to map
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* Specifiy specific packet routing
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* snps,route-avcp, AV Untagged Control packets
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* snps,route-ptp, PTP Packets
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* snps,route-dcbcp, DCB Control Packets
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* snps,route-up, Untagged Packets
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* snps,route-multi-broad, Multicast & Broadcast Packets
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* snps,priority, bitmask of the tagged frames priorities assigned to
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the queue
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snps,mtl-tx-config:
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$ref: /schemas/types.yaml#/definitions/phandle
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description:
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Multiple TX Queues parameters. Phandle to a node that can
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contain the following properties
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* snps,tx-queues-to-use, number of TX queues to be used in the
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driver
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* Choose one of these TX scheduling algorithms
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* snps,tx-sched-wrr, Weighted Round Robin
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* snps,tx-sched-wfq, Weighted Fair Queuing
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* snps,tx-sched-dwrr, Deficit Weighted Round Robin
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* snps,tx-sched-sp, Strict priority
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* For each TX queue
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* snps,weight, TX queue weight (if using a DCB weight
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algorithm)
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* Choose one of these modes
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* snps,dcb-algorithm, TX queue will be working in DCB
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* snps,avb-algorithm, TX queue will be working in AVB
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[Attention] Queue 0 is reserved for legacy traffic
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and so no AVB is available in this queue.
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* Configure Credit Base Shaper (if AVB Mode selected)
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* snps,send_slope, enable Low Power Interface
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* snps,idle_slope, unlock on WoL
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* snps,high_credit, max write outstanding req. limit
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* snps,low_credit, max read outstanding req. limit
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* snps,priority, bitmask of the priorities assigned to the queue.
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When a PFC frame is received with priorities matching the bitmask,
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the queue is blocked from transmitting for the pause time specified
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in the PFC frame.
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snps,reset-gpio:
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deprecated: true
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maxItems: 1
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description:
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PHY Reset GPIO
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snps,reset-active-low:
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deprecated: true
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$ref: /schemas/types.yaml#/definitions/flag
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description:
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Indicates that the PHY Reset is active low
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snps,reset-delays-us:
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deprecated: true
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description:
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Triplet of delays. The 1st cell is reset pre-delay in micro
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seconds. The 2nd cell is reset pulse in micro seconds. The 3rd
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cell is reset post-delay in micro seconds.
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minItems: 3
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maxItems: 3
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snps,aal:
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$ref: /schemas/types.yaml#/definitions/flag
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description:
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Use Address-Aligned Beats
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snps,fixed-burst:
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$ref: /schemas/types.yaml#/definitions/flag
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description:
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Program the DMA to use the fixed burst mode
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snps,mixed-burst:
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$ref: /schemas/types.yaml#/definitions/flag
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description:
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Program the DMA to use the mixed burst mode
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snps,force_thresh_dma_mode:
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$ref: /schemas/types.yaml#/definitions/flag
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description:
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Force DMA to use the threshold mode for both tx and rx
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snps,force_sf_dma_mode:
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$ref: /schemas/types.yaml#/definitions/flag
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description:
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Force DMA to use the Store and Forward mode for both tx and
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rx. This flag is ignored if force_thresh_dma_mode is set.
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snps,en-tx-lpi-clockgating:
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$ref: /schemas/types.yaml#/definitions/flag
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description:
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Enable gating of the MAC TX clock during TX low-power mode
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snps,multicast-filter-bins:
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$ref: /schemas/types.yaml#/definitions/uint32
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description:
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Number of multicast filter hash bins supported by this device
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instance
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snps,perfect-filter-entries:
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$ref: /schemas/types.yaml#/definitions/uint32
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description:
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Number of perfect filter entries supported by this device
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instance
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snps,ps-speed:
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$ref: /schemas/types.yaml#/definitions/uint32
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description:
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Port selection speed that can be passed to the core when PCS
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is supported. For example, this is used in case of SGMII and
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MAC2MAC connection.
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snps,clk-csr:
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$ref: /schemas/types.yaml#/definitions/uint32
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description:
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Frequency division factor for MDC clock.
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mdio:
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$ref: mdio.yaml#
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unevaluatedProperties: false
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description:
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Creates and registers an MDIO bus.
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properties:
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compatible:
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const: snps,dwmac-mdio
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required:
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- compatible
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stmmac-axi-config:
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type: object
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unevaluatedProperties: false
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description:
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AXI BUS Mode parameters.
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properties:
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snps,lpi_en:
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$ref: /schemas/types.yaml#/definitions/flag
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description:
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enable Low Power Interface
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snps,xit_frm:
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$ref: /schemas/types.yaml#/definitions/flag
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description:
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unlock on WoL
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snps,wr_osr_lmt:
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$ref: /schemas/types.yaml#/definitions/uint32
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description:
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max write outstanding req. limit
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snps,rd_osr_lmt:
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$ref: /schemas/types.yaml#/definitions/uint32
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description:
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max read outstanding req. limit
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snps,kbbe:
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$ref: /schemas/types.yaml#/definitions/uint32
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description:
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do not cross 1KiB boundary.
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snps,blen:
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$ref: /schemas/types.yaml#/definitions/uint32-array
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description:
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this is a vector of supported burst length.
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minItems: 7
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maxItems: 7
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snps,fb:
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$ref: /schemas/types.yaml#/definitions/flag
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description:
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fixed-burst
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snps,mb:
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$ref: /schemas/types.yaml#/definitions/flag
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description:
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mixed-burst
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snps,rb:
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$ref: /schemas/types.yaml#/definitions/flag
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description:
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rebuild INCRx Burst
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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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- phy-mode
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dependencies:
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snps,reset-active-low: ["snps,reset-gpio"]
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snps,reset-delay-us: ["snps,reset-gpio"]
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allOf:
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- $ref: "ethernet-controller.yaml#"
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- if:
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properties:
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||
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compatible:
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||
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contains:
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||
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enum:
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||
|
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- allwinner,sun7i-a20-gmac
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||
|
|
- allwinner,sun8i-a83t-emac
|
||
|
|
- allwinner,sun8i-h3-emac
|
||
|
|
- allwinner,sun8i-r40-gmac
|
||
|
|
- allwinner,sun8i-v3s-emac
|
||
|
|
- allwinner,sun50i-a64-emac
|
||
|
|
- ingenic,jz4775-mac
|
||
|
|
- ingenic,x1000-mac
|
||
|
|
- ingenic,x1600-mac
|
||
|
|
- ingenic,x1830-mac
|
||
|
|
- ingenic,x2000-mac
|
||
|
|
- snps,dwmac-3.50a
|
||
|
|
- snps,dwmac-4.10a
|
||
|
|
- snps,dwmac-4.20a
|
||
|
|
- snps,dwxgmac
|
||
|
|
- snps,dwxgmac-2.10
|
||
|
|
- st,spear600-gmac
|
||
|
|
|
||
|
|
then:
|
||
|
|
properties:
|
||
|
|
snps,pbl:
|
||
|
|
description:
|
||
|
|
Programmable Burst Length (tx and rx)
|
||
|
|
$ref: /schemas/types.yaml#/definitions/uint32
|
||
|
|
enum: [1, 2, 4, 8, 16, 32]
|
||
|
|
|
||
|
|
snps,txpbl:
|
||
|
|
description:
|
||
|
|
Tx Programmable Burst Length. If set, DMA tx will use this
|
||
|
|
value rather than snps,pbl.
|
||
|
|
$ref: /schemas/types.yaml#/definitions/uint32
|
||
|
|
enum: [1, 2, 4, 8, 16, 32]
|
||
|
|
|
||
|
|
snps,rxpbl:
|
||
|
|
description:
|
||
|
|
Rx Programmable Burst Length. If set, DMA rx will use this
|
||
|
|
value rather than snps,pbl.
|
||
|
|
$ref: /schemas/types.yaml#/definitions/uint32
|
||
|
|
enum: [1, 2, 4, 8, 16, 32]
|
||
|
|
|
||
|
|
snps,no-pbl-x8:
|
||
|
|
$ref: /schemas/types.yaml#/definitions/flag
|
||
|
|
description:
|
||
|
|
Don\'t multiply the pbl/txpbl/rxpbl values by 8. For core
|
||
|
|
rev < 3.50, don\'t multiply the values by 4.
|
||
|
|
|
||
|
|
- if:
|
||
|
|
properties:
|
||
|
|
compatible:
|
||
|
|
contains:
|
||
|
|
enum:
|
||
|
|
- allwinner,sun7i-a20-gmac
|
||
|
|
- allwinner,sun8i-a83t-emac
|
||
|
|
- allwinner,sun8i-h3-emac
|
||
|
|
- allwinner,sun8i-r40-gmac
|
||
|
|
- allwinner,sun8i-v3s-emac
|
||
|
|
- allwinner,sun50i-a64-emac
|
||
|
|
- loongson,ls2k-dwmac
|
||
|
|
- loongson,ls7a-dwmac
|
||
|
|
- ingenic,jz4775-mac
|
||
|
|
- ingenic,x1000-mac
|
||
|
|
- ingenic,x1600-mac
|
||
|
|
- ingenic,x1830-mac
|
||
|
|
- ingenic,x2000-mac
|
||
|
|
- snps,dwmac-4.00
|
||
|
|
- snps,dwmac-4.10a
|
||
|
|
- snps,dwmac-4.20a
|
||
|
|
- snps,dwmac-5.10a
|
||
|
|
- snps,dwxgmac
|
||
|
|
- snps,dwxgmac-2.10
|
||
|
|
- st,spear600-gmac
|
||
|
|
|
||
|
|
then:
|
||
|
|
properties:
|
||
|
|
snps,tso:
|
||
|
|
$ref: /schemas/types.yaml#/definitions/flag
|
||
|
|
description:
|
||
|
|
Enables the TSO feature otherwise it will be managed by
|
||
|
|
MAC HW capability register.
|
||
|
|
|
||
|
|
additionalProperties: true
|
||
|
|
|
||
|
|
examples:
|
||
|
|
- |
|
||
|
|
stmmac_axi_setup: stmmac-axi-config {
|
||
|
|
snps,wr_osr_lmt = <0xf>;
|
||
|
|
snps,rd_osr_lmt = <0xf>;
|
||
|
|
snps,blen = <256 128 64 32 0 0 0>;
|
||
|
|
};
|
||
|
|
|
||
|
|
mtl_rx_setup: rx-queues-config {
|
||
|
|
snps,rx-queues-to-use = <1>;
|
||
|
|
snps,rx-sched-sp;
|
||
|
|
queue0 {
|
||
|
|
snps,dcb-algorithm;
|
||
|
|
snps,map-to-dma-channel = <0x0>;
|
||
|
|
snps,priority = <0x0>;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
mtl_tx_setup: tx-queues-config {
|
||
|
|
snps,tx-queues-to-use = <2>;
|
||
|
|
snps,tx-sched-wrr;
|
||
|
|
queue0 {
|
||
|
|
snps,weight = <0x10>;
|
||
|
|
snps,dcb-algorithm;
|
||
|
|
snps,priority = <0x0>;
|
||
|
|
};
|
||
|
|
|
||
|
|
queue1 {
|
||
|
|
snps,avb-algorithm;
|
||
|
|
snps,send_slope = <0x1000>;
|
||
|
|
snps,idle_slope = <0x1000>;
|
||
|
|
snps,high_credit = <0x3E800>;
|
||
|
|
snps,low_credit = <0xFFC18000>;
|
||
|
|
snps,priority = <0x1>;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
gmac0: ethernet@e0800000 {
|
||
|
|
compatible = "snps,dwxgmac-2.10", "snps,dwxgmac";
|
||
|
|
reg = <0xe0800000 0x8000>;
|
||
|
|
interrupt-parent = <&vic1>;
|
||
|
|
interrupts = <24 23 22>;
|
||
|
|
interrupt-names = "macirq", "eth_wake_irq", "eth_lpi";
|
||
|
|
mac-address = [000000000000]; /* Filled in by U-Boot */
|
||
|
|
max-frame-size = <3800>;
|
||
|
|
phy-mode = "gmii";
|
||
|
|
snps,multicast-filter-bins = <256>;
|
||
|
|
snps,perfect-filter-entries = <128>;
|
||
|
|
rx-fifo-depth = <16384>;
|
||
|
|
tx-fifo-depth = <16384>;
|
||
|
|
clocks = <&clock>;
|
||
|
|
clock-names = "stmmaceth";
|
||
|
|
snps,axi-config = <&stmmac_axi_setup>;
|
||
|
|
snps,mtl-rx-config = <&mtl_rx_setup>;
|
||
|
|
snps,mtl-tx-config = <&mtl_tx_setup>;
|
||
|
|
mdio0 {
|
||
|
|
#address-cells = <1>;
|
||
|
|
#size-cells = <0>;
|
||
|
|
compatible = "snps,dwmac-mdio";
|
||
|
|
phy1: ethernet-phy@0 {
|
||
|
|
reg = <0>;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
# FIXME: We should set it, but it would report all the generic
|
||
|
|
# properties as additional properties.
|
||
|
|
# additionalProperties: false
|
||
|
|
|
||
|
|
...
|