1 # SPDX-License-Identifier: (GPL-2.0-only OR BS 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/net/loongso 4 $id: http://devicetree.org/schemas/net/loongson,ls1b-gmac.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Loongson-1B Gigabit Ethernet MAC Contro 7 title: Loongson-1B Gigabit Ethernet MAC Controller
8 8
9 maintainers: 9 maintainers:
10 - Keguang Zhang <keguang.zhang@gmail.com> 10 - Keguang Zhang <keguang.zhang@gmail.com>
11 11
12 description: | 12 description: |
13 Loongson-1B Gigabit Ethernet MAC Controller 13 Loongson-1B Gigabit Ethernet MAC Controller is based on
14 Synopsys DesignWare MAC (version 3.50a). 14 Synopsys DesignWare MAC (version 3.50a).
15 15
16 Main features 16 Main features
17 - Dual 10/100/1000Mbps GMAC controllers 17 - Dual 10/100/1000Mbps GMAC controllers
18 - Full-duplex operation (IEEE 802.3x flow co 18 - Full-duplex operation (IEEE 802.3x flow control automatic transmission)
19 - Half-duplex operation (CSMA/CD Protocol an 19 - Half-duplex operation (CSMA/CD Protocol and back-pressure support)
20 - RX Checksum Offload 20 - RX Checksum Offload
21 - TX Checksum insertion 21 - TX Checksum insertion
22 - MII interface 22 - MII interface
23 - RGMII interface 23 - RGMII interface
24 24
25 select: 25 select:
26 properties: 26 properties:
27 compatible: 27 compatible:
28 contains: 28 contains:
29 enum: 29 enum:
30 - loongson,ls1b-gmac 30 - loongson,ls1b-gmac
31 required: 31 required:
32 - compatible 32 - compatible
33 33
34 properties: 34 properties:
35 compatible: 35 compatible:
36 items: 36 items:
37 - enum: 37 - enum:
38 - loongson,ls1b-gmac 38 - loongson,ls1b-gmac
39 - const: snps,dwmac-3.50a 39 - const: snps,dwmac-3.50a
40 40
41 reg: 41 reg:
42 maxItems: 1 42 maxItems: 1
43 43
44 clocks: 44 clocks:
45 maxItems: 1 45 maxItems: 1
46 46
47 clock-names: 47 clock-names:
48 items: 48 items:
49 - const: stmmaceth 49 - const: stmmaceth
50 50
51 interrupts: 51 interrupts:
52 maxItems: 1 52 maxItems: 1
53 53
54 interrupt-names: 54 interrupt-names:
55 items: 55 items:
56 - const: macirq 56 - const: macirq
57 57
58 loongson,ls1-syscon: 58 loongson,ls1-syscon:
59 $ref: /schemas/types.yaml#/definitions/pha 59 $ref: /schemas/types.yaml#/definitions/phandle
60 description: 60 description:
61 Phandle to the syscon containing some ex 61 Phandle to the syscon containing some extra configurations
62 including PHY interface mode. 62 including PHY interface mode.
63 63
64 phy-mode: 64 phy-mode:
65 enum: 65 enum:
66 - mii 66 - mii
67 - rgmii-id 67 - rgmii-id
68 68
69 required: 69 required:
70 - compatible 70 - compatible
71 - reg 71 - reg
72 - clocks 72 - clocks
73 - clock-names 73 - clock-names
74 - interrupts 74 - interrupts
75 - interrupt-names 75 - interrupt-names
76 - loongson,ls1-syscon 76 - loongson,ls1-syscon
77 77
78 allOf: 78 allOf:
79 - $ref: snps,dwmac.yaml# 79 - $ref: snps,dwmac.yaml#
80 80
81 unevaluatedProperties: false 81 unevaluatedProperties: false
82 82
83 examples: 83 examples:
84 - | 84 - |
85 #include <dt-bindings/clock/loongson,ls1x- 85 #include <dt-bindings/clock/loongson,ls1x-clk.h>
86 #include <dt-bindings/interrupt-controller 86 #include <dt-bindings/interrupt-controller/irq.h>
87 87
88 gmac0: ethernet@1fe10000 { 88 gmac0: ethernet@1fe10000 {
89 compatible = "loongson,ls1b-gmac", "sn 89 compatible = "loongson,ls1b-gmac", "snps,dwmac-3.50a";
90 reg = <0x1fe10000 0x10000>; 90 reg = <0x1fe10000 0x10000>;
91 91
92 clocks = <&clkc LS1X_CLKID_AHB>; 92 clocks = <&clkc LS1X_CLKID_AHB>;
93 clock-names = "stmmaceth"; 93 clock-names = "stmmaceth";
94 94
95 interrupt-parent = <&intc1>; 95 interrupt-parent = <&intc1>;
96 interrupts = <2 IRQ_TYPE_LEVEL_HIGH>; 96 interrupts = <2 IRQ_TYPE_LEVEL_HIGH>;
97 interrupt-names = "macirq"; 97 interrupt-names = "macirq";
98 98
99 loongson,ls1-syscon = <&syscon>; 99 loongson,ls1-syscon = <&syscon>;
100 100
101 phy-handle = <&phy0>; 101 phy-handle = <&phy0>;
102 phy-mode = "mii"; 102 phy-mode = "mii";
103 snps,pbl = <1>; 103 snps,pbl = <1>;
104 104
105 mdio { 105 mdio {
106 #address-cells = <1>; 106 #address-cells = <1>;
107 #size-cells = <0>; 107 #size-cells = <0>;
108 compatible = "snps,dwmac-mdio"; 108 compatible = "snps,dwmac-mdio";
109 109
110 phy0: ethernet-phy@0 { 110 phy0: ethernet-phy@0 {
111 reg = <0x0>; 111 reg = <0x0>;
112 }; 112 };
113 }; 113 };
114 }; 114 };
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