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1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)2%YAML 1.23---4$id: http://devicetree.org/schemas/net/renesas,ethertsn.yaml#5$schema: http://devicetree.org/meta-schemas/core.yaml#6 7title: Renesas Ethernet TSN End-station8 9maintainers:10 - Niklas Söderlund <niklas.soderlund@ragnatech.se>11 12description:13 The RTSN device provides Ethernet network using a 10 Mbps, 100 Mbps, or 114 Gbps full-duplex link via MII/GMII/RMII/RGMII. Depending on the connected PHY.15 16allOf:17 - $ref: ethernet-controller.yaml#18 19properties:20 compatible:21 items:22 - enum:23 - renesas,r8a779g0-ethertsn # R-Car V4H24 - const: renesas,rcar-gen4-ethertsn25 26 reg:27 items:28 - description: TSN End Station target29 - description: generalized Precision Time Protocol target30 31 reg-names:32 items:33 - const: tsnes34 - const: gptp35 36 interrupts:37 items:38 - description: TX data interrupt39 - description: RX data interrupt40 41 interrupt-names:42 items:43 - const: tx44 - const: rx45 46 clocks:47 maxItems: 148 49 power-domains:50 maxItems: 151 52 resets:53 maxItems: 154 55 phy-mode:56 contains:57 enum:58 - mii59 - rgmii60 61 phy-handle:62 $ref: /schemas/types.yaml#/definitions/phandle63 description:64 Specifies a reference to a node representing a PHY device.65 66 rx-internal-delay-ps:67 enum: [0, 1800]68 default: 069 70 tx-internal-delay-ps:71 enum: [0, 2000]72 default: 073 74 mdio:75 $ref: /schemas/net/mdio.yaml#76 unevaluatedProperties: false77 78required:79 - compatible80 - reg81 - reg-names82 - interrupts83 - interrupt-names84 - clocks85 - power-domains86 - resets87 - phy-mode88 - phy-handle89 - mdio90 91additionalProperties: false92 93examples:94 - |95 #include <dt-bindings/clock/r8a779g0-cpg-mssr.h>96 #include <dt-bindings/interrupt-controller/arm-gic.h>97 #include <dt-bindings/power/r8a779g0-sysc.h>98 #include <dt-bindings/gpio/gpio.h>99 100 tsn0: ethernet@e6460000 {101 compatible = "renesas,r8a779g0-ethertsn", "renesas,rcar-gen4-ethertsn";102 reg = <0xe6460000 0x7000>,103 <0xe6449000 0x500>;104 reg-names = "tsnes", "gptp";105 interrupts = <GIC_SPI 429 IRQ_TYPE_LEVEL_HIGH>,106 <GIC_SPI 430 IRQ_TYPE_LEVEL_HIGH>;107 interrupt-names = "tx", "rx";108 clocks = <&cpg CPG_MOD 2723>;109 power-domains = <&sysc R8A779G0_PD_ALWAYS_ON>;110 resets = <&cpg 2723>;111 112 phy-mode = "rgmii";113 tx-internal-delay-ps = <2000>;114 phy-handle = <&phy3>;115 116 mdio {117 #address-cells = <1>;118 #size-cells = <0>;119 120 reset-gpios = <&gpio1 23 GPIO_ACTIVE_LOW>;121 reset-post-delay-us = <4000>;122 123 phy3: ethernet-phy@0 {124 compatible = "ethernet-phy-ieee802.3-c45";125 reg = <0>;126 interrupt-parent = <&gpio4>;127 interrupts = <3 IRQ_TYPE_LEVEL_LOW>;128 };129 };130 };131