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| 1 | +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | +%YAML 1.2 |
| 3 | +--- |
| 4 | +$id: http://devicetree.org/schemas/net/amd,xgbe-seattle-v1a.yaml# |
| 5 | +$schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | + |
| 7 | +title: AMD XGBE Seattle v1a |
| 8 | + |
| 9 | +maintainers: |
| 10 | + - Shyam Sundar S K <[email protected]> |
| 11 | + |
| 12 | +allOf: |
| 13 | + - $ref: /schemas/net/ethernet-controller.yaml# |
| 14 | + |
| 15 | +properties: |
| 16 | + compatible: |
| 17 | + const: amd,xgbe-seattle-v1a |
| 18 | + |
| 19 | + reg: |
| 20 | + items: |
| 21 | + - description: MAC registers |
| 22 | + - description: PCS registers |
| 23 | + - description: SerDes Rx/Tx registers |
| 24 | + - description: SerDes integration registers (1/2) |
| 25 | + - description: SerDes integration registers (2/2) |
| 26 | + |
| 27 | + interrupts: |
| 28 | + description: Device interrupts. The first entry is the general device |
| 29 | + interrupt. If amd,per-channel-interrupt is specified, each DMA channel |
| 30 | + interrupt must be specified. The last entry is the PCS auto-negotiation |
| 31 | + interrupt. |
| 32 | + minItems: 2 |
| 33 | + maxItems: 6 |
| 34 | + |
| 35 | + clocks: |
| 36 | + items: |
| 37 | + - description: DMA clock for the device |
| 38 | + - description: PTP clock for the device |
| 39 | + |
| 40 | + clock-names: |
| 41 | + items: |
| 42 | + - const: dma_clk |
| 43 | + - const: ptp_clk |
| 44 | + |
| 45 | + iommus: |
| 46 | + maxItems: 1 |
| 47 | + |
| 48 | + phy-mode: true |
| 49 | + |
| 50 | + dma-coherent: true |
| 51 | + |
| 52 | + amd,per-channel-interrupt: |
| 53 | + description: Indicates that Rx and Tx complete will generate a unique |
| 54 | + interrupt for each DMA channel. |
| 55 | + type: boolean |
| 56 | + |
| 57 | + amd,speed-set: |
| 58 | + description: > |
| 59 | + Speed capabilities of the device. |
| 60 | + 0 = 1GbE and 10GbE |
| 61 | + 1 = 2.5GbE and 10GbE |
| 62 | + $ref: /schemas/types.yaml#/definitions/uint32 |
| 63 | + enum: [0, 1] |
| 64 | + |
| 65 | + amd,serdes-blwc: |
| 66 | + description: Baseline wandering correction enablement for each speed. |
| 67 | + $ref: /schemas/types.yaml#/definitions/uint32-array |
| 68 | + minItems: 3 |
| 69 | + maxItems: 3 |
| 70 | + items: |
| 71 | + enum: [0, 1] |
| 72 | + |
| 73 | + amd,serdes-cdr-rate: |
| 74 | + description: CDR rate speed selection for each speed. |
| 75 | + $ref: /schemas/types.yaml#/definitions/uint32-array |
| 76 | + items: |
| 77 | + - description: CDR rate for 1GbE |
| 78 | + - description: CDR rate for 2.5GbE |
| 79 | + - description: CDR rate for 10GbE |
| 80 | + |
| 81 | + amd,serdes-pq-skew: |
| 82 | + description: PQ data sampling skew for each speed. |
| 83 | + $ref: /schemas/types.yaml#/definitions/uint32-array |
| 84 | + items: |
| 85 | + - description: PQ skew for 1GbE |
| 86 | + - description: PQ skew for 2.5GbE |
| 87 | + - description: PQ skew for 10GbE |
| 88 | + |
| 89 | + amd,serdes-tx-amp: |
| 90 | + description: TX amplitude boost for each speed. |
| 91 | + $ref: /schemas/types.yaml#/definitions/uint32-array |
| 92 | + items: |
| 93 | + - description: TX amplitude for 1GbE |
| 94 | + - description: TX amplitude for 2.5GbE |
| 95 | + - description: TX amplitude for 10GbE |
| 96 | + |
| 97 | + amd,serdes-dfe-tap-config: |
| 98 | + description: DFE taps available to run for each speed. |
| 99 | + $ref: /schemas/types.yaml#/definitions/uint32-array |
| 100 | + items: |
| 101 | + - description: DFE taps available for 1GbE |
| 102 | + - description: DFE taps available for 2.5GbE |
| 103 | + - description: DFE taps available for 10GbE |
| 104 | + |
| 105 | + amd,serdes-dfe-tap-enable: |
| 106 | + description: DFE taps to enable for each speed. |
| 107 | + $ref: /schemas/types.yaml#/definitions/uint32-array |
| 108 | + items: |
| 109 | + - description: DFE taps to enable for 1GbE |
| 110 | + - description: DFE taps to enable for 2.5GbE |
| 111 | + - description: DFE taps to enable for 10GbE |
| 112 | + |
| 113 | +required: |
| 114 | + - compatible |
| 115 | + - reg |
| 116 | + - interrupts |
| 117 | + - clocks |
| 118 | + - clock-names |
| 119 | + - phy-mode |
| 120 | + |
| 121 | +unevaluatedProperties: false |
| 122 | + |
| 123 | +examples: |
| 124 | + - | |
| 125 | + ethernet@e0700000 { |
| 126 | + compatible = "amd,xgbe-seattle-v1a"; |
| 127 | + reg = <0xe0700000 0x80000>, |
| 128 | + <0xe0780000 0x80000>, |
| 129 | + <0xe1240800 0x00400>, |
| 130 | + <0xe1250000 0x00060>, |
| 131 | + <0xe1250080 0x00004>; |
| 132 | + interrupts = <0 325 4>, |
| 133 | + <0 326 1>, <0 327 1>, <0 328 1>, <0 329 1>, |
| 134 | + <0 323 4>; |
| 135 | + amd,per-channel-interrupt; |
| 136 | + clocks = <&xgbe_dma_clk>, <&xgbe_ptp_clk>; |
| 137 | + clock-names = "dma_clk", "ptp_clk"; |
| 138 | + phy-mode = "xgmii"; |
| 139 | + mac-address = [ 02 a1 a2 a3 a4 a5 ]; |
| 140 | + amd,speed-set = <0>; |
| 141 | + amd,serdes-blwc = <1>, <1>, <0>; |
| 142 | + amd,serdes-cdr-rate = <2>, <2>, <7>; |
| 143 | + amd,serdes-pq-skew = <10>, <10>, <30>; |
| 144 | + amd,serdes-tx-amp = <15>, <15>, <10>; |
| 145 | + amd,serdes-dfe-tap-config = <3>, <3>, <1>; |
| 146 | + amd,serdes-dfe-tap-enable = <0>, <0>, <127>; |
| 147 | + }; |
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