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/renesas 4 $id: http://devicetree.org/schemas/net/renesas,ethertsn.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Renesas Ethernet TSN End-station 7 title: Renesas Ethernet TSN End-station
8 8
9 maintainers: 9 maintainers:
10 - Niklas Söderlund <niklas.soderlund@ragnate 10 - Niklas Söderlund <niklas.soderlund@ragnatech.se>
11 11
12 description: 12 description:
13 The RTSN device provides Ethernet network us 13 The RTSN device provides Ethernet network using a 10 Mbps, 100 Mbps, or 1
14 Gbps full-duplex link via MII/GMII/RMII/RGMI 14 Gbps full-duplex link via MII/GMII/RMII/RGMII. Depending on the connected PHY.
15 15
16 allOf: 16 allOf:
17 - $ref: ethernet-controller.yaml# 17 - $ref: ethernet-controller.yaml#
18 18
19 properties: 19 properties:
20 compatible: 20 compatible:
21 items: 21 items:
22 - enum: 22 - enum:
23 - renesas,r8a779g0-ethertsn # 23 - renesas,r8a779g0-ethertsn # R-Car V4H
24 - const: renesas,rcar-gen4-ethertsn 24 - const: renesas,rcar-gen4-ethertsn
25 25
26 reg: 26 reg:
27 items: 27 items:
28 - description: TSN End Station target 28 - description: TSN End Station target
29 - description: generalized Precision Tim 29 - description: generalized Precision Time Protocol target
30 30
31 reg-names: 31 reg-names:
32 items: 32 items:
33 - const: tsnes 33 - const: tsnes
34 - const: gptp 34 - const: gptp
35 35
36 interrupts: 36 interrupts:
37 items: 37 items:
38 - description: TX data interrupt 38 - description: TX data interrupt
39 - description: RX data interrupt 39 - description: RX data interrupt
40 40
41 interrupt-names: 41 interrupt-names:
42 items: 42 items:
43 - const: tx 43 - const: tx
44 - const: rx 44 - const: rx
45 45
46 clocks: 46 clocks:
47 maxItems: 1 47 maxItems: 1
48 48
49 power-domains: 49 power-domains:
50 maxItems: 1 50 maxItems: 1
51 51
52 resets: 52 resets:
53 maxItems: 1 53 maxItems: 1
54 54
55 phy-mode: 55 phy-mode:
56 contains: 56 contains:
57 enum: 57 enum:
58 - mii 58 - mii
59 - rgmii 59 - rgmii
60 60
61 phy-handle: 61 phy-handle:
62 $ref: /schemas/types.yaml#/definitions/pha 62 $ref: /schemas/types.yaml#/definitions/phandle
63 description: 63 description:
64 Specifies a reference to a node represen 64 Specifies a reference to a node representing a PHY device.
65 65
66 rx-internal-delay-ps: 66 rx-internal-delay-ps:
67 enum: [0, 1800] 67 enum: [0, 1800]
68 default: 0 68 default: 0
69 69
70 tx-internal-delay-ps: 70 tx-internal-delay-ps:
71 enum: [0, 2000] 71 enum: [0, 2000]
72 default: 0 72 default: 0
73 73
74 mdio: !! 74 '#address-cells':
75 $ref: /schemas/net/mdio.yaml# !! 75 const: 1
>> 76
>> 77 '#size-cells':
>> 78 const: 0
>> 79
>> 80 patternProperties:
>> 81 "^ethernet-phy@[0-9a-f]$":
>> 82 type: object
>> 83 $ref: ethernet-phy.yaml#
76 unevaluatedProperties: false 84 unevaluatedProperties: false
77 85
78 required: 86 required:
79 - compatible 87 - compatible
80 - reg 88 - reg
81 - reg-names 89 - reg-names
82 - interrupts 90 - interrupts
83 - interrupt-names 91 - interrupt-names
84 - clocks 92 - clocks
85 - power-domains 93 - power-domains
86 - resets 94 - resets
87 - phy-mode 95 - phy-mode
88 - phy-handle 96 - phy-handle
89 - mdio !! 97 - '#address-cells'
>> 98 - '#size-cells'
90 99
91 additionalProperties: false 100 additionalProperties: false
92 101
93 examples: 102 examples:
94 - | 103 - |
95 #include <dt-bindings/clock/r8a779g0-cpg-m 104 #include <dt-bindings/clock/r8a779g0-cpg-mssr.h>
96 #include <dt-bindings/interrupt-controller 105 #include <dt-bindings/interrupt-controller/arm-gic.h>
97 #include <dt-bindings/power/r8a779g0-sysc. 106 #include <dt-bindings/power/r8a779g0-sysc.h>
98 #include <dt-bindings/gpio/gpio.h> 107 #include <dt-bindings/gpio/gpio.h>
99 108
100 tsn0: ethernet@e6460000 { 109 tsn0: ethernet@e6460000 {
101 compatible = "renesas,r8a779g0-etherts 110 compatible = "renesas,r8a779g0-ethertsn", "renesas,rcar-gen4-ethertsn";
102 reg = <0xe6460000 0x7000>, 111 reg = <0xe6460000 0x7000>,
103 <0xe6449000 0x500>; 112 <0xe6449000 0x500>;
104 reg-names = "tsnes", "gptp"; 113 reg-names = "tsnes", "gptp";
105 interrupts = <GIC_SPI 429 IRQ_TYPE_LEV 114 interrupts = <GIC_SPI 429 IRQ_TYPE_LEVEL_HIGH>,
106 <GIC_SPI 430 IRQ_TYPE_LEV 115 <GIC_SPI 430 IRQ_TYPE_LEVEL_HIGH>;
107 interrupt-names = "tx", "rx"; 116 interrupt-names = "tx", "rx";
108 clocks = <&cpg CPG_MOD 2723>; 117 clocks = <&cpg CPG_MOD 2723>;
109 power-domains = <&sysc R8A779G0_PD_ALW 118 power-domains = <&sysc R8A779G0_PD_ALWAYS_ON>;
110 resets = <&cpg 2723>; 119 resets = <&cpg 2723>;
111 120
112 phy-mode = "rgmii"; 121 phy-mode = "rgmii";
113 tx-internal-delay-ps = <2000>; 122 tx-internal-delay-ps = <2000>;
114 phy-handle = <&phy3>; 123 phy-handle = <&phy3>;
115 124
116 mdio { !! 125 #address-cells = <1>;
117 #address-cells = <1>; !! 126 #size-cells = <0>;
118 #size-cells = <0>; <<
119 127
>> 128 phy3: ethernet-phy@3 {
>> 129 compatible = "ethernet-phy-ieee802.3-c45";
>> 130 reg = <0>;
>> 131 interrupt-parent = <&gpio4>;
>> 132 interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
120 reset-gpios = <&gpio1 23 GPIO_ACTI 133 reset-gpios = <&gpio1 23 GPIO_ACTIVE_LOW>;
121 reset-post-delay-us = <4000>; <<
122 <<
123 phy3: ethernet-phy@0 { <<
124 compatible = "ethernet-phy-iee <<
125 reg = <0>; <<
126 interrupt-parent = <&gpio4>; <<
127 interrupts = <3 IRQ_TYPE_LEVEL <<
128 }; <<
129 }; 134 };
130 }; 135 };
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