1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/net/cdns,macb.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Cadence MACB/GEM Ethernet controller
8
9maintainers:
10  - Nicolas Ferre <nicolas.ferre@microchip.com>
11  - Claudiu Beznea <claudiu.beznea@microchip.com>
12
13properties:
14  compatible:
15    oneOf:
16      - items:
17          - enum:
18              - cdns,at91rm9200-emac  # Atmel at91rm9200 SoC
19          - const: cdns,emac          # Generic
20
21      - items:
22          - enum:
23              - cdns,zynq-gem         # Xilinx Zynq-7xxx SoC
24              - cdns,zynqmp-gem       # Xilinx Zynq Ultrascale+ MPSoC
25          - const: cdns,gem           # Generic
26        deprecated: true
27
28      - items:
29          - enum:
30              - xlnx,versal-gem       # Xilinx Versal
31              - xlnx,zynq-gem         # Xilinx Zynq-7xxx SoC
32              - xlnx,zynqmp-gem       # Xilinx Zynq Ultrascale+ MPSoC
33          - const: cdns,gem           # Generic
34
35      - items:
36          - enum:
37              - cdns,at91sam9260-macb # Atmel at91sam9 SoCs
38              - cdns,sam9x60-macb     # Microchip sam9x60 SoC
39              - microchip,mpfs-macb   # Microchip PolarFire SoC
40          - const: cdns,macb          # Generic
41
42      - items:
43          - enum:
44              - atmel,sama5d3-macb    # 10/100Mbit IP on Atmel sama5d3 SoCs
45          - enum:
46              - cdns,at91sam9260-macb # Atmel at91sam9 SoCs.
47          - const: cdns,macb          # Generic
48
49      - enum:
50          - atmel,sama5d29-gem        # GEM XL IP (10/100) on Atmel sama5d29 SoCs
51          - atmel,sama5d2-gem         # GEM IP (10/100) on Atmel sama5d2 SoCs
52          - atmel,sama5d3-gem         # Gigabit IP on Atmel sama5d3 SoCs
53          - atmel,sama5d4-gem         # GEM IP (10/100) on Atmel sama5d4 SoCs
54          - cdns,np4-macb             # NP4 SoC devices
55          - microchip,sama7g5-emac    # Microchip SAMA7G5 ethernet interface
56          - microchip,sama7g5-gem     # Microchip SAMA7G5 gigabit ethernet interface
57          - sifive,fu540-c000-gem     # SiFive FU540-C000 SoC
58          - cdns,emac                 # Generic
59          - cdns,gem                  # Generic
60          - cdns,macb                 # Generic
61
62  reg:
63    minItems: 1
64    items:
65      - description: Basic register set
66      - description: GEMGXL Management block registers on SiFive FU540-C000 SoC
67
68  interrupts:
69    minItems: 1
70    maxItems: 8
71    description: One interrupt per available hardware queue
72
73  clocks:
74    minItems: 1
75    maxItems: 5
76
77  clock-names:
78    minItems: 1
79    items:
80      - enum: [ ether_clk, hclk, pclk ]
81      - enum: [ hclk, pclk ]
82      - const: tx_clk
83      - enum: [ rx_clk, tsu_clk ]
84      - const: tsu_clk
85
86  local-mac-address: true
87
88  phy-mode: true
89
90  phy-handle: true
91
92  phys:
93    maxItems: 1
94
95  resets:
96    maxItems: 1
97    description:
98      Recommended with ZynqMP, specify reset control for this
99      controller instance with zynqmp-reset driver.
100
101  reset-names:
102    maxItems: 1
103
104  fixed-link: true
105
106  iommus:
107    maxItems: 1
108
109  power-domains:
110    maxItems: 1
111
112  '#address-cells':
113    const: 1
114
115  '#size-cells':
116    const: 0
117
118  mdio:
119    type: object
120    description:
121      Node containing PHY children. If this node is not present, then PHYs will
122      be direct children.
123
124patternProperties:
125  "^ethernet-phy@[0-9a-f]$":
126    type: object
127    $ref: ethernet-phy.yaml#
128
129    properties:
130      reset-gpios: true
131
132      magic-packet:
133        type: boolean
134        description:
135          Indicates that the hardware supports waking up via magic packet.
136
137    unevaluatedProperties: false
138
139required:
140  - compatible
141  - reg
142  - interrupts
143  - clocks
144  - clock-names
145  - phy-mode
146
147allOf:
148  - $ref: ethernet-controller.yaml#
149
150  - if:
151      not:
152        properties:
153          compatible:
154            contains:
155              const: sifive,fu540-c000-gem
156    then:
157      properties:
158        reg:
159          maxItems: 1
160
161unevaluatedProperties: false
162
163examples:
164  - |
165    macb0: ethernet@fffc4000 {
166            compatible = "cdns,macb";
167            reg = <0xfffc4000 0x4000>;
168            interrupts = <21>;
169            phy-mode = "rmii";
170            local-mac-address = [3a 0e 03 04 05 06];
171            clock-names = "pclk", "hclk", "tx_clk";
172            clocks = <&clkc 30>, <&clkc 30>, <&clkc 13>;
173            #address-cells = <1>;
174            #size-cells = <0>;
175
176            ethernet-phy@1 {
177                    reg = <0x1>;
178                    reset-gpios = <&pioE 6 1>;
179            };
180    };
181
182  - |
183    #include <dt-bindings/clock/xlnx-zynqmp-clk.h>
184    #include <dt-bindings/power/xlnx-zynqmp-power.h>
185    #include <dt-bindings/reset/xlnx-zynqmp-resets.h>
186    #include <dt-bindings/phy/phy.h>
187
188    bus {
189            #address-cells = <2>;
190            #size-cells = <2>;
191            gem1: ethernet@ff0c0000 {
192                    compatible = "xlnx,zynqmp-gem", "cdns,gem";
193                    interrupt-parent = <&gic>;
194                    interrupts = <0 59 4>, <0 59 4>;
195                    reg = <0x0 0xff0c0000 0x0 0x1000>;
196                    clocks = <&zynqmp_clk LPD_LSBUS>, <&zynqmp_clk GEM1_REF>,
197                             <&zynqmp_clk GEM1_TX>, <&zynqmp_clk GEM1_RX>,
198                             <&zynqmp_clk GEM_TSU>;
199                    clock-names = "pclk", "hclk", "tx_clk", "rx_clk", "tsu_clk";
200                    #address-cells = <1>;
201                    #size-cells = <0>;
202                    iommus = <&smmu 0x875>;
203                    power-domains = <&zynqmp_firmware PD_ETH_1>;
204                    resets = <&zynqmp_reset ZYNQMP_RESET_GEM1>;
205                    reset-names = "gem1_rst";
206                    phy-mode = "sgmii";
207                    phys = <&psgtr 1 PHY_TYPE_SGMII 1 1>;
208                    fixed-link {
209                            speed = <1000>;
210                            full-duplex;
211                            pause;
212                    };
213            };
214    };
215