| Tom Rini | 93743d2 | 2024-04-01 09:08:13 -0400 | [diff] [blame] | 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,ethertsn.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Renesas Ethernet TSN End-station |
| 8 | |
| 9 | maintainers: |
| 10 | - Niklas Söderlund <niklas.soderlund@ragnatech.se> |
| 11 | |
| 12 | description: |
| 13 | The RTSN device provides Ethernet network using a 10 Mbps, 100 Mbps, or 1 |
| 14 | Gbps full-duplex link via MII/GMII/RMII/RGMII. Depending on the connected PHY. |
| 15 | |
| 16 | allOf: |
| 17 | - $ref: ethernet-controller.yaml# |
| 18 | |
| 19 | properties: |
| 20 | compatible: |
| 21 | items: |
| 22 | - enum: |
| 23 | - renesas,r8a779g0-ethertsn # R-Car V4H |
| 24 | - const: renesas,rcar-gen4-ethertsn |
| 25 | |
| 26 | reg: |
| 27 | items: |
| 28 | - description: TSN End Station target |
| 29 | - description: generalized Precision Time Protocol target |
| 30 | |
| 31 | reg-names: |
| 32 | items: |
| 33 | - const: tsnes |
| 34 | - const: gptp |
| 35 | |
| 36 | interrupts: |
| 37 | items: |
| 38 | - description: TX data interrupt |
| 39 | - description: RX data interrupt |
| 40 | |
| 41 | interrupt-names: |
| 42 | items: |
| 43 | - const: tx |
| 44 | - const: rx |
| 45 | |
| 46 | clocks: |
| 47 | maxItems: 1 |
| 48 | |
| 49 | power-domains: |
| 50 | maxItems: 1 |
| 51 | |
| 52 | resets: |
| 53 | maxItems: 1 |
| 54 | |
| 55 | phy-mode: |
| 56 | contains: |
| 57 | enum: |
| 58 | - mii |
| 59 | - rgmii |
| 60 | |
| 61 | phy-handle: |
| 62 | $ref: /schemas/types.yaml#/definitions/phandle |
| 63 | description: |
| 64 | Specifies a reference to a node representing a PHY device. |
| 65 | |
| 66 | rx-internal-delay-ps: |
| 67 | enum: [0, 1800] |
| 68 | default: 0 |
| 69 | |
| 70 | tx-internal-delay-ps: |
| 71 | enum: [0, 2000] |
| 72 | default: 0 |
| 73 | |
| 74 | '#address-cells': |
| 75 | const: 1 |
| 76 | |
| 77 | '#size-cells': |
| 78 | const: 0 |
| 79 | |
| 80 | patternProperties: |
| 81 | "^ethernet-phy@[0-9a-f]$": |
| 82 | type: object |
| 83 | $ref: ethernet-phy.yaml# |
| 84 | unevaluatedProperties: false |
| 85 | |
| 86 | required: |
| 87 | - compatible |
| 88 | - reg |
| 89 | - reg-names |
| 90 | - interrupts |
| 91 | - interrupt-names |
| 92 | - clocks |
| 93 | - power-domains |
| 94 | - resets |
| 95 | - phy-mode |
| 96 | - phy-handle |
| 97 | - '#address-cells' |
| 98 | - '#size-cells' |
| 99 | |
| 100 | additionalProperties: false |
| 101 | |
| 102 | examples: |
| 103 | - | |
| 104 | #include <dt-bindings/clock/r8a779g0-cpg-mssr.h> |
| 105 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 106 | #include <dt-bindings/power/r8a779g0-sysc.h> |
| 107 | #include <dt-bindings/gpio/gpio.h> |
| 108 | |
| 109 | tsn0: ethernet@e6460000 { |
| 110 | compatible = "renesas,r8a779g0-ethertsn", "renesas,rcar-gen4-ethertsn"; |
| 111 | reg = <0xe6460000 0x7000>, |
| 112 | <0xe6449000 0x500>; |
| 113 | reg-names = "tsnes", "gptp"; |
| 114 | interrupts = <GIC_SPI 429 IRQ_TYPE_LEVEL_HIGH>, |
| 115 | <GIC_SPI 430 IRQ_TYPE_LEVEL_HIGH>; |
| 116 | interrupt-names = "tx", "rx"; |
| 117 | clocks = <&cpg CPG_MOD 2723>; |
| 118 | power-domains = <&sysc R8A779G0_PD_ALWAYS_ON>; |
| 119 | resets = <&cpg 2723>; |
| 120 | |
| 121 | phy-mode = "rgmii"; |
| 122 | tx-internal-delay-ps = <2000>; |
| 123 | phy-handle = <&phy3>; |
| 124 | |
| 125 | #address-cells = <1>; |
| 126 | #size-cells = <0>; |
| 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>; |
| 133 | reset-gpios = <&gpio1 23 GPIO_ACTIVE_LOW>; |
| 134 | }; |
| 135 | }; |