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| 1 | | -* STMicroelectronics 10/100/1000/2500/10000 Ethernet (GMAC/XGMAC) |
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| 2 | | - |
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| 3 | | -Required properties: |
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| 4 | | -- compatible: Should be "snps,dwmac-<ip_version>", "snps,dwmac" or |
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| 5 | | - "snps,dwxgmac-<ip_version>", "snps,dwxgmac". |
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| 6 | | - For backwards compatibility: "st,spear600-gmac" is also supported. |
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| 7 | | -- reg: Address and length of the register set for the device |
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| 8 | | -- interrupts: Should contain the STMMAC interrupts |
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| 9 | | -- interrupt-names: Should contain a list of interrupt names corresponding to |
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| 10 | | - the interrupts in the interrupts property, if available. |
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| 11 | | - Valid interrupt names are: |
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| 12 | | - - "macirq" (combined signal for various interrupt events) |
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| 13 | | - - "eth_wake_irq" (the interrupt to manage the remote wake-up packet detection) |
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| 14 | | - - "eth_lpi" (the interrupt that occurs when Rx exits the LPI state) |
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| 15 | | -- phy-mode: See ethernet.txt file in the same directory. |
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| 16 | | -- snps,reset-gpio gpio number for phy reset. |
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| 17 | | -- snps,reset-active-low boolean flag to indicate if phy reset is active low. |
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| 18 | | -- snps,reset-delays-us is triplet of delays |
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| 19 | | - The 1st cell is reset pre-delay in micro seconds. |
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| 20 | | - The 2nd cell is reset pulse in micro seconds. |
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| 21 | | - The 3rd cell is reset post-delay in micro seconds. |
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| 22 | | - |
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| 23 | | -Optional properties: |
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| 24 | | -- resets: Should contain a phandle to the STMMAC reset signal, if any |
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| 25 | | -- reset-names: Should contain the reset signal name "stmmaceth", if a |
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| 26 | | - reset phandle is given |
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| 27 | | -- max-frame-size: See ethernet.txt file in the same directory |
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| 28 | | -- clocks: If present, the first clock should be the GMAC main clock and |
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| 29 | | - the second clock should be peripheral's register interface clock. Further |
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| 30 | | - clocks may be specified in derived bindings. |
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| 31 | | -- clock-names: One name for each entry in the clocks property, the |
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| 32 | | - first one should be "stmmaceth" and the second one should be "pclk". |
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| 33 | | -- ptp_ref: this is the PTP reference clock; in case of the PTP is available |
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| 34 | | - this clock is used for programming the Timestamp Addend Register. If not |
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| 35 | | - passed then the system clock will be used and this is fine on some |
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| 36 | | - platforms. |
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| 37 | | -- tx-fifo-depth: See ethernet.txt file in the same directory |
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| 38 | | -- rx-fifo-depth: See ethernet.txt file in the same directory |
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| 39 | | -- snps,pbl Programmable Burst Length (tx and rx) |
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| 40 | | -- snps,txpbl Tx Programmable Burst Length. Only for GMAC and newer. |
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| 41 | | - If set, DMA tx will use this value rather than snps,pbl. |
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| 42 | | -- snps,rxpbl Rx Programmable Burst Length. Only for GMAC and newer. |
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| 43 | | - If set, DMA rx will use this value rather than snps,pbl. |
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| 44 | | -- snps,no-pbl-x8 Don't multiply the pbl/txpbl/rxpbl values by 8. |
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| 45 | | - For core rev < 3.50, don't multiply the values by 4. |
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| 46 | | -- snps,aal Address-Aligned Beats |
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| 47 | | -- snps,fixed-burst Program the DMA to use the fixed burst mode |
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| 48 | | -- snps,mixed-burst Program the DMA to use the mixed burst mode |
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| 49 | | -- snps,force_thresh_dma_mode Force DMA to use the threshold mode for |
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| 50 | | - both tx and rx |
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| 51 | | -- snps,force_sf_dma_mode Force DMA to use the Store and Forward |
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| 52 | | - mode for both tx and rx. This flag is |
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| 53 | | - ignored if force_thresh_dma_mode is set. |
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| 54 | | -- snps,en-tx-lpi-clockgating Enable gating of the MAC TX clock during |
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| 55 | | - TX low-power mode |
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| 56 | | -- snps,multicast-filter-bins: Number of multicast filter hash bins |
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| 57 | | - supported by this device instance |
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| 58 | | -- snps,perfect-filter-entries: Number of perfect filter entries supported |
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| 59 | | - by this device instance |
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| 60 | | -- snps,ps-speed: port selection speed that can be passed to the core when |
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| 61 | | - PCS is supported. For example, this is used in case of SGMII |
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| 62 | | - and MAC2MAC connection. |
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| 63 | | -- snps,tso: this enables the TSO feature otherwise it will be managed by |
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| 64 | | - MAC HW capability register. Only for GMAC4 and newer. |
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| 65 | | -- AXI BUS Mode parameters: below the list of all the parameters to program the |
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| 66 | | - AXI register inside the DMA module: |
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| 67 | | - - snps,lpi_en: enable Low Power Interface |
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| 68 | | - - snps,xit_frm: unlock on WoL |
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| 69 | | - - snps,wr_osr_lmt: max write outstanding req. limit |
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| 70 | | - - snps,rd_osr_lmt: max read outstanding req. limit |
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| 71 | | - - snps,kbbe: do not cross 1KiB boundary. |
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| 72 | | - - snps,blen: this is a vector of supported burst length. |
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| 73 | | - - snps,fb: fixed-burst |
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| 74 | | - - snps,mb: mixed-burst |
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| 75 | | - - snps,rb: rebuild INCRx Burst |
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| 76 | | -- mdio: with compatible = "snps,dwmac-mdio", create and register mdio bus. |
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| 77 | | -- Multiple RX Queues parameters: below the list of all the parameters to |
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| 78 | | - configure the multiple RX queues: |
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| 79 | | - - snps,rx-queues-to-use: number of RX queues to be used in the driver |
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| 80 | | - - Choose one of these RX scheduling algorithms: |
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| 81 | | - - snps,rx-sched-sp: Strict priority |
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| 82 | | - - snps,rx-sched-wsp: Weighted Strict priority |
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| 83 | | - - For each RX queue |
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| 84 | | - - Choose one of these modes: |
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| 85 | | - - snps,dcb-algorithm: Queue to be enabled as DCB |
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| 86 | | - - snps,avb-algorithm: Queue to be enabled as AVB |
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| 87 | | - - snps,map-to-dma-channel: Channel to map |
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| 88 | | - - Specifiy specific packet routing: |
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| 89 | | - - snps,route-avcp: AV Untagged Control packets |
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| 90 | | - - snps,route-ptp: PTP Packets |
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| 91 | | - - snps,route-dcbcp: DCB Control Packets |
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| 92 | | - - snps,route-up: Untagged Packets |
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| 93 | | - - snps,route-multi-broad: Multicast & Broadcast Packets |
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| 94 | | - - snps,priority: RX queue priority (Range: 0x0 to 0xF) |
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| 95 | | -- Multiple TX Queues parameters: below the list of all the parameters to |
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| 96 | | - configure the multiple TX queues: |
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| 97 | | - - snps,tx-queues-to-use: number of TX queues to be used in the driver |
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| 98 | | - - Choose one of these TX scheduling algorithms: |
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| 99 | | - - snps,tx-sched-wrr: Weighted Round Robin |
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| 100 | | - - snps,tx-sched-wfq: Weighted Fair Queuing |
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| 101 | | - - snps,tx-sched-dwrr: Deficit Weighted Round Robin |
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| 102 | | - - snps,tx-sched-sp: Strict priority |
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| 103 | | - - For each TX queue |
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| 104 | | - - snps,weight: TX queue weight (if using a DCB weight algorithm) |
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| 105 | | - - Choose one of these modes: |
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| 106 | | - - snps,dcb-algorithm: TX queue will be working in DCB |
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| 107 | | - - snps,avb-algorithm: TX queue will be working in AVB |
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| 108 | | - [Attention] Queue 0 is reserved for legacy traffic |
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| 109 | | - and so no AVB is available in this queue. |
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| 110 | | - - Configure Credit Base Shaper (if AVB Mode selected): |
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| 111 | | - - snps,send_slope: enable Low Power Interface |
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| 112 | | - - snps,idle_slope: unlock on WoL |
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| 113 | | - - snps,high_credit: max write outstanding req. limit |
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| 114 | | - - snps,low_credit: max read outstanding req. limit |
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| 115 | | - - snps,priority: TX queue priority (Range: 0x0 to 0xF) |
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| 116 | | -Examples: |
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| 117 | | - |
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| 118 | | - stmmac_axi_setup: stmmac-axi-config { |
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| 119 | | - snps,wr_osr_lmt = <0xf>; |
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| 120 | | - snps,rd_osr_lmt = <0xf>; |
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| 121 | | - snps,blen = <256 128 64 32 0 0 0>; |
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| 122 | | - }; |
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| 123 | | - |
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| 124 | | - mtl_rx_setup: rx-queues-config { |
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| 125 | | - snps,rx-queues-to-use = <1>; |
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| 126 | | - snps,rx-sched-sp; |
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| 127 | | - queue0 { |
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| 128 | | - snps,dcb-algorithm; |
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| 129 | | - snps,map-to-dma-channel = <0x0>; |
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| 130 | | - snps,priority = <0x0>; |
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| 131 | | - }; |
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| 132 | | - }; |
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| 133 | | - |
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| 134 | | - mtl_tx_setup: tx-queues-config { |
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| 135 | | - snps,tx-queues-to-use = <2>; |
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| 136 | | - snps,tx-sched-wrr; |
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| 137 | | - queue0 { |
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| 138 | | - snps,weight = <0x10>; |
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| 139 | | - snps,dcb-algorithm; |
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| 140 | | - snps,priority = <0x0>; |
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| 141 | | - }; |
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| 142 | | - |
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| 143 | | - queue1 { |
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| 144 | | - snps,avb-algorithm; |
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| 145 | | - snps,send_slope = <0x1000>; |
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| 146 | | - snps,idle_slope = <0x1000>; |
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| 147 | | - snps,high_credit = <0x3E800>; |
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| 148 | | - snps,low_credit = <0xFFC18000>; |
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| 149 | | - snps,priority = <0x1>; |
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| 150 | | - }; |
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| 151 | | - }; |
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| 152 | | - |
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| 153 | | - gmac0: ethernet@e0800000 { |
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| 154 | | - compatible = "st,spear600-gmac"; |
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| 155 | | - reg = <0xe0800000 0x8000>; |
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| 156 | | - interrupt-parent = <&vic1>; |
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| 157 | | - interrupts = <24 23 22>; |
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| 158 | | - interrupt-names = "macirq", "eth_wake_irq", "eth_lpi"; |
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| 159 | | - mac-address = [000000000000]; /* Filled in by U-Boot */ |
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| 160 | | - max-frame-size = <3800>; |
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| 161 | | - phy-mode = "gmii"; |
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| 162 | | - snps,multicast-filter-bins = <256>; |
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| 163 | | - snps,perfect-filter-entries = <128>; |
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| 164 | | - rx-fifo-depth = <16384>; |
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| 165 | | - tx-fifo-depth = <16384>; |
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| 166 | | - clocks = <&clock>; |
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| 167 | | - clock-names = "stmmaceth"; |
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| 168 | | - snps,axi-config = <&stmmac_axi_setup>; |
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| 169 | | - mdio0 { |
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| 170 | | - #address-cells = <1>; |
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| 171 | | - #size-cells = <0>; |
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| 172 | | - compatible = "snps,dwmac-mdio"; |
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| 173 | | - phy1: ethernet-phy@0 { |
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| 174 | | - }; |
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| 175 | | - }; |
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| 176 | | - snps,mtl-rx-config = <&mtl_rx_setup>; |
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| 177 | | - snps,mtl-tx-config = <&mtl_tx_setup>; |
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| 178 | | - }; |
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| 1 | +This file has moved to snps,dwmac.yaml. |
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