# SPDX-License-Identifier: GPL-2.0 %YAML 1.2 --- $id: http://devicetree.org/schemas/net/snps,dwmac.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Synopsys DesignWare MAC maintainers: - Alexandre Torgue - Giuseppe Cavallaro - Jose Abreu # Select every compatible, including the deprecated ones. This way, we # will be able to report a warning when we have that compatible, since # we will validate the node thanks to the select, but won't report it # as a valid value in the compatible property description select: properties: compatible: contains: enum: - snps,dwmac - snps,dwmac-3.40a - snps,dwmac-3.50a - snps,dwmac-3.610 - snps,dwmac-3.70a - snps,dwmac-3.710 - snps,dwmac-4.00 - snps,dwmac-4.10a - snps,dwmac-4.20a - snps,dwmac-5.10a - snps,dwmac-5.20 - snps,dwxgmac - snps,dwxgmac-2.10 # Deprecated - st,spear600-gmac required: - compatible properties: # We need to include all the compatibles from schemas that will # include that schemas, otherwise compatible won't validate for # those. 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 - amlogic,meson6-dwmac - amlogic,meson8b-dwmac - amlogic,meson8m2-dwmac - amlogic,meson-gxbb-dwmac - amlogic,meson-axg-dwmac - ingenic,jz4775-mac - ingenic,x1000-mac - ingenic,x1600-mac - ingenic,x1830-mac - ingenic,x2000-mac - loongson,ls2k-dwmac - loongson,ls7a-dwmac - qcom,qcs404-ethqos - qcom,sa8775p-ethqos - qcom,sc8280xp-ethqos - qcom,sm8150-ethqos - renesas,r9a06g032-gmac - renesas,rzn1-gmac - rockchip,px30-gmac - rockchip,rk3128-gmac - rockchip,rk3228-gmac - rockchip,rk3288-gmac - rockchip,rk3328-gmac - rockchip,rk3366-gmac - rockchip,rk3368-gmac - rockchip,rk3588-gmac - rockchip,rk3399-gmac - rockchip,rv1108-gmac - snps,dwmac - snps,dwmac-3.40a - snps,dwmac-3.50a - snps,dwmac-3.610 - snps,dwmac-3.70a - snps,dwmac-3.710 - snps,dwmac-4.00 - snps,dwmac-4.10a - snps,dwmac-4.20a - snps,dwmac-5.10a - snps,dwmac-5.20 - snps,dwxgmac - snps,dwxgmac-2.10 - starfive,jh7100-dwmac - starfive,jh7110-dwmac reg: minItems: 1 maxItems: 2 interrupts: minItems: 1 items: - description: Combined signal for various interrupt events - description: The interrupt to manage the remote wake-up packet detection - description: The interrupt that occurs when Rx exits the LPI state - description: The interrupt that occurs when HW safety error triggered interrupt-names: minItems: 1 items: - const: macirq - enum: [eth_wake_irq, eth_lpi, sfty] - enum: [eth_wake_irq, eth_lpi, sfty] - enum: [eth_wake_irq, eth_lpi, sfty] clocks: minItems: 1 maxItems: 8 additionalItems: true items: - description: GMAC main clock - description: Peripheral registers interface clock - description: PTP reference clock. This clock is used for programming the Timestamp Addend Register. If not passed then the system clock will be used and this is fine on some platforms. clock-names: minItems: 1 maxItems: 8 additionalItems: true contains: enum: - stmmaceth - pclk - ptp_ref resets: minItems: 1 items: - description: GMAC stmmaceth reset - description: AHB reset reset-names: oneOf: - items: - enum: [stmmaceth, ahb] - items: - const: stmmaceth - const: ahb power-domains: maxItems: 1 mac-mode: $ref: ethernet-controller.yaml#/properties/phy-connection-type description: The property is identical to 'phy-mode', and assumes that there is mode converter in-between the MAC & PHY (e.g. GMII-to-RGMII). This converter can be passive (no SW requirement), and requires that the MAC operate in a different mode than the PHY in order to function. snps,axi-config: $ref: /schemas/types.yaml#/definitions/phandle description: AXI BUS Mode parameters. Phandle to a node that can contain the following properties * snps,lpi_en, enable Low Power Interface * snps,xit_frm, unlock on WoL * snps,wr_osr_lmt, max write outstanding req. limit * snps,rd_osr_lmt, max read outstanding req. limit * snps,kbbe, do not cross 1KiB boundary. * snps,blen, this is a vector of supported burst length. * snps,fb, fixed-burst * snps,mb, mixed-burst * snps,rb, rebuild INCRx Burst snps,mtl-rx-config: $ref: /schemas/types.yaml#/definitions/phandle description: Multiple RX Queues parameters. Phandle to a node that implements the 'rx-queues-config' object described in this binding. rx-queues-config: type: object properties: snps,rx-queues-to-use: $ref: /schemas/types.yaml#/definitions/uint32 description: number of RX queues to be used in the driver snps,rx-sched-sp: type: boolean description: Strict priority snps,rx-sched-wsp: type: boolean description: Weighted Strict priority allOf: - if: required: - snps,rx-sched-sp then: properties: snps,rx-sched-wsp: false - if: required: - snps,rx-sched-wsp then: properties: snps,rx-sched-sp: false patternProperties: "^queue[0-9]$": description: Each subnode represents a queue. type: object properties: snps,dcb-algorithm: type: boolean description: Queue to be enabled as DCB snps,avb-algorithm: type: boolean description: Queue to be enabled as AVB snps,map-to-dma-channel: $ref: /schemas/types.yaml#/definitions/uint32 description: DMA channel id to map snps,route-avcp: type: boolean description: AV Untagged Control packets snps,route-ptp: type: boolean description: PTP Packets snps,route-dcbcp: type: boolean description: DCB Control Packets snps,route-up: type: boolean description: Untagged Packets snps,route-multi-broad: type: boolean description: Multicast & Broadcast Packets snps,priority: $ref: /schemas/types.yaml#/definitions/uint32 description: Bitmask of the tagged frames priorities assigned to the queue allOf: - if: required: - snps,dcb-algorithm then: properties: snps,avb-algorithm: false - if: required: - snps,avb-algorithm then: properties: snps,dcb-algorithm: false - if: required: - snps,route-avcp then: properties: snps,route-ptp: false snps,route-dcbcp: false snps,route-up: false snps,route-multi-broad: false - if: required: - snps,route-ptp then: properties: snps,route-avcp: false snps,route-dcbcp: false snps,route-up: false snps,route-multi-broad: false - if: required: - snps,route-dcbcp then: properties: snps,route-avcp: false snps,route-ptp: false snps,route-up: false snps,route-multi-broad: false - if: required: - snps,route-up then: properties: snps,route-avcp: false snps,route-ptp: false snps,route-dcbcp: false snps,route-multi-broad: false - if: required: - snps,route-multi-broad then: properties: snps,route-avcp: false snps,route-ptp: false snps,route-dcbcp: false snps,route-up: false additionalProperties: false additionalProperties: false snps,mtl-tx-config: $ref: /schemas/types.yaml#/definitions/phandle description: Multiple TX Queues parameters. Phandle to a node that implements the 'tx-queues-config' object described in this binding. tx-queues-config: type: object properties: snps,tx-queues-to-use: $ref: /schemas/types.yaml#/definitions/uint32 description: number of TX queues to be used in the driver snps,tx-sched-wrr: type: boolean description: Weighted Round Robin snps,tx-sched-wfq: type: boolean description: Weighted Fair Queuing snps,tx-sched-dwrr: type: boolean description: Deficit Weighted Round Robin snps,tx-sched-sp: type: boolean description: Strict priority allOf: - if: required: - snps,tx-sched-wrr then: properties: snps,tx-sched-wfq: false snps,tx-sched-dwrr: false snps,tx-sched-sp: false - if: required: - snps,tx-sched-wfq then: properties: snps,tx-sched-wrr: false snps,tx-sched-dwrr: false snps,tx-sched-sp: false - if: required: - snps,tx-sched-dwrr then: properties: snps,tx-sched-wrr: false snps,tx-sched-wfq: false snps,tx-sched-sp: false - if: required: - snps,tx-sched-sp then: properties: snps,tx-sched-wrr: false snps,tx-sched-wfq: false snps,tx-sched-dwrr: false patternProperties: "^queue[0-9]$": description: Each subnode represents a queue. type: object properties: snps,weight: $ref: /schemas/types.yaml#/definitions/uint32 description: TX queue weight (if using a DCB weight algorithm) snps,dcb-algorithm: type: boolean description: TX queue will be working in DCB snps,avb-algorithm: type: boolean description: TX queue will be working in AVB. Queue 0 is reserved for legacy traffic and so no AVB is available in this queue. snps,send_slope: $ref: /schemas/types.yaml#/definitions/uint32 description: enable Low Power Interface snps,idle_slope: $ref: /schemas/types.yaml#/definitions/uint32 description: unlock on WoL snps,high_credit: $ref: /schemas/types.yaml#/definitions/uint32 description: max write outstanding req. limit snps,low_credit: $ref: /schemas/types.yaml#/definitions/uint32 description: max read outstanding req. limit snps,priority: $ref: /schemas/types.yaml#/definitions/uint32 description: Bitmask of the tagged frames priorities assigned to the queue. When a PFC frame is received with priorities matching the bitmask, the queue is blocked from transmitting for the pause time specified in the PFC frame. snps,coe-unsupported: type: boolean description: TX checksum offload is unsupported by the TX queue. allOf: - if: required: - snps,dcb-algorithm then: properties: snps,avb-algorithm: false - if: required: - snps,avb-algorithm then: properties: snps,dcb-algorithm: false snps,weight: false additionalProperties: false additionalProperties: false snps,reset-gpio: deprecated: true maxItems: 1 description: PHY Reset GPIO snps,reset-active-low: deprecated: true $ref: /schemas/types.yaml#/definitions/flag description: Indicates that the PHY Reset is active low snps,reset-delays-us: deprecated: true description: Triplet of delays. The 1st cell is reset pre-delay in micro seconds. The 2nd cell is reset pulse in micro seconds. The 3rd cell is reset post-delay in micro seconds. minItems: 3 maxItems: 3 snps,aal: $ref: /schemas/types.yaml#/definitions/flag description: Use Address-Aligned Beats snps,fixed-burst: $ref: /schemas/types.yaml#/definitions/flag description: Program the DMA to use the fixed burst mode snps,mixed-burst: $ref: /schemas/types.yaml#/definitions/flag description: Program the DMA to use the mixed burst mode snps,force_thresh_dma_mode: $ref: /schemas/types.yaml#/definitions/flag description: Force DMA to use the threshold mode for both tx and rx snps,force_sf_dma_mode: $ref: /schemas/types.yaml#/definitions/flag description: Force DMA to use the Store and Forward mode for both tx and rx. This flag is ignored if force_thresh_dma_mode is set. snps,en-tx-lpi-clockgating: $ref: /schemas/types.yaml#/definitions/flag description: Enable gating of the MAC TX clock during TX low-power mode snps,multicast-filter-bins: $ref: /schemas/types.yaml#/definitions/uint32 description: Number of multicast filter hash bins supported by this device instance snps,perfect-filter-entries: $ref: /schemas/types.yaml#/definitions/uint32 description: Number of perfect filter entries supported by this device instance snps,ps-speed: $ref: /schemas/types.yaml#/definitions/uint32 description: Port selection speed that can be passed to the core when PCS is supported. For example, this is used in case of SGMII and MAC2MAC connection. snps,clk-csr: $ref: /schemas/types.yaml#/definitions/uint32 description: Frequency division factor for MDC clock. mdio: $ref: mdio.yaml# unevaluatedProperties: false description: Creates and registers an MDIO bus. properties: compatible: const: snps,dwmac-mdio required: - compatible stmmac-axi-config: type: object unevaluatedProperties: false description: AXI BUS Mode parameters. properties: snps,lpi_en: $ref: /schemas/types.yaml#/definitions/flag description: enable Low Power Interface snps,xit_frm: $ref: /schemas/types.yaml#/definitions/flag description: unlock on WoL snps,wr_osr_lmt: $ref: /schemas/types.yaml#/definitions/uint32 description: max write outstanding req. limit snps,rd_osr_lmt: $ref: /schemas/types.yaml#/definitions/uint32 description: max read outstanding req. limit snps,kbbe: $ref: /schemas/types.yaml#/definitions/uint32 description: do not cross 1KiB boundary. snps,blen: $ref: /schemas/types.yaml#/definitions/uint32-array description: this is a vector of supported burst length. minItems: 7 maxItems: 7 snps,fb: $ref: /schemas/types.yaml#/definitions/flag description: fixed-burst snps,mb: $ref: /schemas/types.yaml#/definitions/flag description: mixed-burst snps,rb: $ref: /schemas/types.yaml#/definitions/flag description: rebuild INCRx Burst required: - compatible - reg - interrupts - interrupt-names - phy-mode dependencies: snps,reset-active-low: ["snps,reset-gpio"] snps,reset-delays-us: ["snps,reset-gpio"] allOf: - $ref: ethernet-controller.yaml# - 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 - ingenic,jz4775-mac - ingenic,x1000-mac - ingenic,x1600-mac - ingenic,x1830-mac - ingenic,x2000-mac - qcom,sa8775p-ethqos - qcom,sc8280xp-ethqos - snps,dwmac-3.50a - snps,dwmac-4.10a - snps,dwmac-4.20a - snps,dwmac-5.20 - 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 - qcom,qcs404-ethqos - qcom,sa8775p-ethqos - qcom,sc8280xp-ethqos - qcom,sm8150-ethqos - snps,dwmac-4.00 - snps,dwmac-4.10a - snps,dwmac-4.20a - snps,dwmac-5.10a - snps,dwmac-5.20 - 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: - | 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>; 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>; }; }; 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 ...