1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/net/rockchi 4 $id: http://devicetree.org/schemas/net/rockchip,emac.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Rockchip RK3036/RK3066/RK3188 Ethernet 7 title: Rockchip RK3036/RK3066/RK3188 Ethernet Media Access Controller (EMAC)
8 8
9 maintainers: 9 maintainers:
10 - Heiko Stuebner <heiko@sntech.de> 10 - Heiko Stuebner <heiko@sntech.de>
11 11
12 properties: 12 properties:
13 compatible: 13 compatible:
14 enum: 14 enum:
15 - rockchip,rk3036-emac 15 - rockchip,rk3036-emac
16 - rockchip,rk3066-emac 16 - rockchip,rk3066-emac
17 - rockchip,rk3188-emac 17 - rockchip,rk3188-emac
18 18
19 reg: 19 reg:
20 maxItems: 1 20 maxItems: 1
21 21
22 interrupts: 22 interrupts:
23 maxItems: 1 23 maxItems: 1
24 24
25 clocks: 25 clocks:
26 minItems: 2 26 minItems: 2
27 items: 27 items:
28 - description: host clock 28 - description: host clock
29 - description: reference clock 29 - description: reference clock
30 - description: mac TX/RX clock 30 - description: mac TX/RX clock
31 31
32 clock-names: 32 clock-names:
33 minItems: 2 33 minItems: 2
34 items: 34 items:
35 - const: hclk 35 - const: hclk
36 - const: macref 36 - const: macref
37 - const: macclk 37 - const: macclk
38 38
39 rockchip,grf: 39 rockchip,grf:
40 $ref: /schemas/types.yaml#/definitions/pha 40 $ref: /schemas/types.yaml#/definitions/phandle
41 description: 41 description:
42 Phandle to the syscon GRF used to contro 42 Phandle to the syscon GRF used to control speed and mode for the EMAC.
43 43
44 phy-supply: 44 phy-supply:
45 description: 45 description:
46 Phandle to a regulator if the PHY needs 46 Phandle to a regulator if the PHY needs one.
47 47
48 mdio: 48 mdio:
49 $ref: mdio.yaml# 49 $ref: mdio.yaml#
50 unevaluatedProperties: false 50 unevaluatedProperties: false
51 51
52 required: 52 required:
53 - compatible 53 - compatible
54 - reg 54 - reg
55 - interrupts 55 - interrupts
56 - clocks 56 - clocks
57 - clock-names 57 - clock-names
58 - rockchip,grf 58 - rockchip,grf
59 - phy 59 - phy
60 - phy-mode 60 - phy-mode
61 - mdio 61 - mdio
62 62
63 allOf: 63 allOf:
64 - $ref: ethernet-controller.yaml# 64 - $ref: ethernet-controller.yaml#
65 - if: 65 - if:
66 properties: 66 properties:
67 compatible: 67 compatible:
68 contains: 68 contains:
69 const: rockchip,rk3036-emac 69 const: rockchip,rk3036-emac
70 70
71 then: 71 then:
72 properties: 72 properties:
73 clocks: 73 clocks:
74 minItems: 3 74 minItems: 3
75 75
76 clock-names: 76 clock-names:
77 minItems: 3 77 minItems: 3
78 78
79 else: 79 else:
80 properties: 80 properties:
81 clocks: 81 clocks:
82 maxItems: 2 82 maxItems: 2
83 83
84 clock-names: 84 clock-names:
85 maxItems: 2 85 maxItems: 2
86 86
87 unevaluatedProperties: false 87 unevaluatedProperties: false
88 88
89 examples: 89 examples:
90 - | 90 - |
91 #include <dt-bindings/clock/rk3188-cru-com 91 #include <dt-bindings/clock/rk3188-cru-common.h>
92 #include <dt-bindings/interrupt-controller 92 #include <dt-bindings/interrupt-controller/arm-gic.h>
93 93
94 ethernet@10204000 { 94 ethernet@10204000 {
95 compatible = "rockchip,rk3188-emac"; 95 compatible = "rockchip,rk3188-emac";
96 reg = <0xc0fc2000 0x3c>; 96 reg = <0xc0fc2000 0x3c>;
97 interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_ 97 interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>;
98 clocks = <&cru HCLK_EMAC>, <&cru SCLK_MA 98 clocks = <&cru HCLK_EMAC>, <&cru SCLK_MAC>;
99 clock-names = "hclk", "macref"; 99 clock-names = "hclk", "macref";
100 rockchip,grf = <&grf>; 100 rockchip,grf = <&grf>;
101 pinctrl-0 = <&emac_xfer>, <&emac_mdio>, 101 pinctrl-0 = <&emac_xfer>, <&emac_mdio>, <&phy_int>;
102 pinctrl-names = "default"; 102 pinctrl-names = "default";
103 phy = <&phy0>; 103 phy = <&phy0>;
104 phy-mode = "rmii"; 104 phy-mode = "rmii";
105 phy-supply = <&vcc_rmii>; 105 phy-supply = <&vcc_rmii>;
106 106
107 mdio { 107 mdio {
108 #address-cells = <1>; 108 #address-cells = <1>;
109 #size-cells = <0>; 109 #size-cells = <0>;
110 110
111 phy0: ethernet-phy@0 { 111 phy0: ethernet-phy@0 {
112 reg = <1>; 112 reg = <1>;
113 }; 113 };
114 }; 114 };
115 }; 115 };
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