Documentation/devicetree/bindings/net/renesas,etheravb.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/net/renesas,etheravb.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Renesas Ethernet AVB
   8
   9 maintainers:
  10   - Sergei Shtylyov <sergei.shtylyov@gmail.com>
  11
  12 properties:
  13   compatible:
  14     oneOf:
  15       - items:
  16           - enum:
  17               - renesas,etheravb-r8a7742      # RZ/G1H
  18               - renesas,etheravb-r8a7743      # RZ/G1M
  19               - renesas,etheravb-r8a7744      # RZ/G1N
  20               - renesas,etheravb-r8a7745      # RZ/G1E
  21               - renesas,etheravb-r8a77470     # RZ/G1C
  22               - renesas,etheravb-r8a7790      # R-Car H2
  23               - renesas,etheravb-r8a7791      # R-Car M2-W
  24               - renesas,etheravb-r8a7792      # R-Car V2H
  25               - renesas,etheravb-r8a7793      # R-Car M2-N
  26               - renesas,etheravb-r8a7794      # R-Car E2
  27           - const: renesas,etheravb-rcar-gen2 # R-Car Gen2 and RZ/G1
  28
  29       - items:
  30           - enum:
  31               - renesas,etheravb-r8a774a1     # RZ/G2M
  32               - renesas,etheravb-r8a774b1     # RZ/G2N
  33               - renesas,etheravb-r8a774c0     # RZ/G2E
  34               - renesas,etheravb-r8a774e1     # RZ/G2H
  35               - renesas,etheravb-r8a7795      # R-Car H3
  36               - renesas,etheravb-r8a7796      # R-Car M3-W
  37               - renesas,etheravb-r8a77961     # R-Car M3-W+
  38               - renesas,etheravb-r8a77965     # R-Car M3-N
  39               - renesas,etheravb-r8a77970     # R-Car V3M
  40               - renesas,etheravb-r8a77980     # R-Car V3H
  41               - renesas,etheravb-r8a77990     # R-Car E3
  42               - renesas,etheravb-r8a77995     # R-Car D3
  43           - const: renesas,etheravb-rcar-gen3 # R-Car Gen3 and RZ/G2
  44
  45   reg: true
  46
  47   interrupts: true
  48
  49   interrupt-names: true
  50
  51   clocks:
  52     maxItems: 1
  53
  54   iommus:
  55     maxItems: 1
  56
  57   power-domains:
  58     maxItems: 1
  59
  60   resets:
  61     maxItems: 1
  62
  63   phy-mode: true
  64
  65   phy-handle: true
  66
  67   '#address-cells':
  68     description: Number of address cells for the MDIO bus.
  69     const: 1
  70
  71   '#size-cells':
  72     description: Number of size cells on the MDIO bus.
  73     const: 0
  74
  75   renesas,no-ether-link:
  76     type: boolean
  77     description:
  78       Specify when a board does not provide a proper AVB_LINK signal.
  79
  80   renesas,ether-link-active-low:
  81     type: boolean
  82     description:
  83       Specify when the AVB_LINK signal is active-low instead of normal
  84       active-high.
  85
  86   rx-internal-delay-ps:
  87     enum: [0, 1800]
  88
  89   tx-internal-delay-ps:
  90     enum: [0, 2000]
  91
  92 patternProperties:
  93   "^ethernet-phy@[0-9a-f]$":
  94     type: object
  95     $ref: ethernet-phy.yaml#
  96
  97 required:
  98   - compatible
  99   - reg
 100   - interrupts
 101   - clocks
 102   - power-domains
 103   - resets
 104   - phy-mode
 105   - phy-handle
 106   - '#address-cells'
 107   - '#size-cells'
 108
 109 allOf:
 110   - $ref: ethernet-controller.yaml#
 111
 112   - if:
 113       properties:
 114         compatible:
 115           contains:
 116             enum:
 117               - renesas,etheravb-rcar-gen2
 118               - renesas,etheravb-r8a7795
 119               - renesas,etheravb-r8a7796
 120               - renesas,etheravb-r8a77961
 121               - renesas,etheravb-r8a77965
 122     then:
 123       properties:
 124         reg:
 125           items:
 126             - description: MAC register block
 127             - description: Stream buffer
 128     else:
 129       properties:
 130         reg:
 131           items:
 132             - description: MAC register block
 133
 134   - if:
 135       properties:
 136         compatible:
 137           contains:
 138             const: renesas,etheravb-rcar-gen2
 139     then:
 140       properties:
 141         interrupts:
 142           maxItems: 1
 143         interrupt-names:
 144           items:
 145             - const: mux
 146         rx-internal-delay-ps: false
 147     else:
 148       properties:
 149         interrupts:
 150           minItems: 25
 151           maxItems: 25
 152         interrupt-names:
 153           items:
 154             pattern: '^ch[0-9]+$'
 155       required:
 156         - interrupt-names
 157         - rx-internal-delay-ps
 158
 159   - if:
 160       properties:
 161         compatible:
 162           contains:
 163             enum:
 164               - renesas,etheravb-r8a774a1
 165               - renesas,etheravb-r8a774b1
 166               - renesas,etheravb-r8a7795
 167               - renesas,etheravb-r8a7796
 168               - renesas,etheravb-r8a77961
 169               - renesas,etheravb-r8a77965
 170               - renesas,etheravb-r8a77970
 171               - renesas,etheravb-r8a77980
 172     then:
 173       required:
 174         - tx-internal-delay-ps
 175     else:
 176       properties:
 177         tx-internal-delay-ps: false
 178
 179   - if:
 180       properties:
 181         compatible:
 182           contains:
 183             const: renesas,etheravb-r8a77995
 184     then:
 185       properties:
 186         rx-internal-delay-ps:
 187           const: 1800
 188
 189   - if:
 190       properties:
 191         compatible:
 192           contains:
 193             const: renesas,etheravb-r8a77980
 194     then:
 195       properties:
 196         tx-internal-delay-ps:
 197           const: 2000
 198
 199 additionalProperties: false
 200
 201 examples:
 202   - |
 203     #include <dt-bindings/clock/r8a7795-cpg-mssr.h>
 204     #include <dt-bindings/interrupt-controller/arm-gic.h>
 205     #include <dt-bindings/power/r8a7795-sysc.h>
 206     #include <dt-bindings/gpio/gpio.h>
 207     aliases {
 208             ethernet0 = &avb;
 209     };
 210
 211     avb: ethernet@e6800000 {
 212             compatible = "renesas,etheravb-r8a7795",
 213                          "renesas,etheravb-rcar-gen3";
 214             reg = <0xe6800000 0x800>, <0xe6a00000 0x10000>;
 215             interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>,
 216                          <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>,
 217                          <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>,
 218                          <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>,
 219                          <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>,
 220                          <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>,
 221                          <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>,
 222                          <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>,
 223                          <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>,
 224                          <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>,
 225                          <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>,
 226                          <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>,
 227                          <GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH>,
 228                          <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>,
 229                          <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>,
 230                          <GIC_SPI 54 IRQ_TYPE_LEVEL_HIGH>,
 231                          <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>,
 232                          <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>,
 233                          <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>,
 234                          <GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH>,
 235                          <GIC_SPI 59 IRQ_TYPE_LEVEL_HIGH>,
 236                          <GIC_SPI 60 IRQ_TYPE_LEVEL_HIGH>,
 237                          <GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>,
 238                          <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>,
 239                          <GIC_SPI 63 IRQ_TYPE_LEVEL_HIGH>;
 240             interrupt-names = "ch0", "ch1", "ch2", "ch3", "ch4", "ch5", "ch6",
 241                               "ch7", "ch8", "ch9", "ch10", "ch11", "ch12",
 242                               "ch13", "ch14", "ch15", "ch16", "ch17", "ch18",
 243                               "ch19", "ch20", "ch21", "ch22", "ch23", "ch24";
 244             clocks = <&cpg CPG_MOD 812>;
 245             iommus = <&ipmmu_ds0 16>;
 246             power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
 247             resets = <&cpg 812>;
 248             phy-mode = "rgmii";
 249             phy-handle = <&phy0>;
 250             rx-internal-delay-ps = <0>;
 251             tx-internal-delay-ps = <2000>;
 252             #address-cells = <1>;
 253             #size-cells = <0>;
 254
 255             phy0: ethernet-phy@0 {
 256                     rxc-skew-ps = <1500>;
 257                     reg = <0>;
 258                     interrupt-parent = <&gpio2>;
 259                     interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
 260                     reset-gpios = <&gpio2 10 GPIO_ACTIVE_LOW>;
 261             };
 262     };