| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/net/dsa/mediatek,mt7530.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Mediatek MT7530 and MT7531 Ethernet Switches |
| |
| maintainers: |
| - Arınç ÜNAL <arinc.unal@arinc9.com> |
| - Landen Chao <Landen.Chao@mediatek.com> |
| - DENG Qingfang <dqfext@gmail.com> |
| - Sean Wang <sean.wang@mediatek.com> |
| - Daniel Golle <daniel@makrotopia.org> |
| |
| description: | |
| There are three versions of MT7530, standalone, in a multi-chip module and |
| built-into a SoC. |
| |
| MT7530 is a part of the multi-chip module in MT7620AN, MT7620DA, MT7620DAN, |
| MT7620NN, MT7621AT, MT7621DAT, MT7621ST and MT7623AI SoCs. |
| |
| The MT7988 SoC comes with a built-in switch similar to MT7531 as well as four |
| Gigabit Ethernet PHYs. The switch registers are directly mapped into the SoC's |
| memory map rather than using MDIO. The switch got an internally connected 10G |
| CPU port and 4 user ports connected to the built-in Gigabit Ethernet PHYs. |
| |
| MT7530 in MT7620AN, MT7620DA, MT7620DAN and MT7620NN SoCs has got 10/100 PHYs |
| and the switch registers are directly mapped into SoC's memory map rather than |
| using MDIO. The DSA driver currently doesn't support MT7620 variants. |
| |
| There is only the standalone version of MT7531. |
| |
| Port 5 on MT7530 has got various ways of configuration: |
| |
| - Port 5 can be used as a CPU port. |
| |
| - PHY 0 or 4 of the switch can be muxed to gmac5 of the switch. Therefore, |
| the gmac of the SoC which is wired to port 5 can connect to the PHY. |
| This is usually used for connecting the wan port directly to the CPU to |
| achieve 2 Gbps routing in total. |
| |
| The driver looks up the reg on the ethernet-phy node, which the phy-handle |
| property on the gmac node refers to, to mux the specified phy. |
| |
| The driver requires the gmac of the SoC to have "mediatek,eth-mac" as the |
| compatible string and the reg must be 1. So, for now, only gmac1 of a |
| MediaTek SoC can benefit this. Banana Pi BPI-R2 suits this. |
| |
| For the MT7621 SoCs, rgmii2 group must be claimed with rgmii2 function. |
| |
| Check out example 5. |
| |
| - For the multi-chip module MT7530, in case of an external phy wired to |
| gmac1 of the SoC, port 5 must not be enabled. |
| |
| In case of muxing PHY 0 or 4, the external phy must not be enabled. |
| |
| For the MT7621 SoCs, rgmii2 group must be claimed with rgmii2 function. |
| |
| Check out example 6. |
| |
| - Port 5 can be wired to an external phy. Port 5 becomes a DSA user port. |
| |
| For the multi-chip module MT7530, the external phy must be wired TX to TX |
| to gmac1 of the SoC for this to work. Ubiquiti EdgeRouter X SFP is wired |
| this way. |
| |
| For the multi-chip module MT7530, muxing PHY 0 or 4 won't work when the |
| external phy is connected TX to TX. |
| |
| For the MT7621 SoCs, rgmii2 group must be claimed with gpio function. |
| |
| Check out example 7. |
| |
| properties: |
| compatible: |
| oneOf: |
| - description: |
| Standalone MT7530 and multi-chip module MT7530 in MT7623AI SoC |
| const: mediatek,mt7530 |
| |
| - description: |
| Standalone MT7531 |
| const: mediatek,mt7531 |
| |
| - description: |
| Multi-chip module MT7530 in MT7621AT, MT7621DAT and MT7621ST SoCs |
| const: mediatek,mt7621 |
| |
| - description: |
| Built-in switch of the MT7988 SoC |
| const: mediatek,mt7988-switch |
| |
| reg: |
| maxItems: 1 |
| |
| core-supply: |
| description: |
| Phandle to the regulator node necessary for the core power. |
| |
| "#gpio-cells": |
| const: 2 |
| |
| gpio-controller: |
| type: boolean |
| description: | |
| If defined, LED controller of the MT7530 switch will run on GPIO mode. |
| |
| There are 15 controllable pins. |
| port 0 LED 0..2 as GPIO 0..2 |
| port 1 LED 0..2 as GPIO 3..5 |
| port 2 LED 0..2 as GPIO 6..8 |
| port 3 LED 0..2 as GPIO 9..11 |
| port 4 LED 0..2 as GPIO 12..14 |
| |
| "#interrupt-cells": |
| const: 1 |
| |
| interrupt-controller: true |
| |
| interrupts: |
| maxItems: 1 |
| |
| io-supply: |
| description: | |
| Phandle to the regulator node necessary for the I/O power. |
| See Documentation/devicetree/bindings/regulator/mt6323-regulator.txt for |
| details for the regulator setup on these boards. |
| |
| mediatek,mcm: |
| type: boolean |
| description: |
| Used for MT7621AT, MT7621DAT, MT7621ST and MT7623AI SoCs which the MT7530 |
| switch is a part of the multi-chip module. |
| |
| reset-gpios: |
| description: | |
| GPIO to reset the switch. Use this if mediatek,mcm is not used. |
| This property is optional because some boards share the reset line with |
| other components which makes it impossible to probe the switch if the |
| reset line is used. |
| maxItems: 1 |
| |
| reset-names: |
| const: mcm |
| |
| resets: |
| description: |
| Phandle pointing to the system reset controller with line index for the |
| ethsys. |
| maxItems: 1 |
| |
| patternProperties: |
| "^(ethernet-)?ports$": |
| type: object |
| additionalProperties: true |
| |
| patternProperties: |
| "^(ethernet-)?port@[0-6]$": |
| type: object |
| additionalProperties: true |
| |
| properties: |
| reg: |
| description: |
| Port address described must be 5 or 6 for CPU port and from 0 to 5 |
| for user ports. |
| |
| allOf: |
| - if: |
| required: [ ethernet ] |
| then: |
| properties: |
| reg: |
| enum: |
| - 5 |
| - 6 |
| |
| required: |
| - compatible |
| - reg |
| |
| $defs: |
| mt7530-dsa-port: |
| patternProperties: |
| "^(ethernet-)?ports$": |
| patternProperties: |
| "^(ethernet-)?port@[0-6]$": |
| if: |
| required: [ ethernet ] |
| then: |
| if: |
| properties: |
| reg: |
| const: 5 |
| then: |
| properties: |
| phy-mode: |
| enum: |
| - gmii |
| - mii |
| - rgmii |
| else: |
| properties: |
| phy-mode: |
| enum: |
| - rgmii |
| - trgmii |
| |
| mt7531-dsa-port: |
| patternProperties: |
| "^(ethernet-)?ports$": |
| patternProperties: |
| "^(ethernet-)?port@[0-6]$": |
| if: |
| required: [ ethernet ] |
| then: |
| if: |
| properties: |
| reg: |
| const: 5 |
| then: |
| properties: |
| phy-mode: |
| enum: |
| - 1000base-x |
| - 2500base-x |
| - rgmii |
| - sgmii |
| else: |
| properties: |
| phy-mode: |
| enum: |
| - 1000base-x |
| - 2500base-x |
| - sgmii |
| |
| allOf: |
| - $ref: dsa.yaml#/$defs/ethernet-ports |
| - if: |
| required: |
| - mediatek,mcm |
| then: |
| properties: |
| reset-gpios: false |
| |
| required: |
| - resets |
| - reset-names |
| |
| - dependencies: |
| interrupt-controller: [ interrupts ] |
| |
| - if: |
| properties: |
| compatible: |
| const: mediatek,mt7530 |
| then: |
| $ref: "#/$defs/mt7530-dsa-port" |
| required: |
| - core-supply |
| - io-supply |
| |
| - if: |
| properties: |
| compatible: |
| const: mediatek,mt7531 |
| then: |
| $ref: "#/$defs/mt7531-dsa-port" |
| properties: |
| gpio-controller: false |
| mediatek,mcm: false |
| |
| - if: |
| properties: |
| compatible: |
| const: mediatek,mt7621 |
| then: |
| $ref: "#/$defs/mt7530-dsa-port" |
| required: |
| - mediatek,mcm |
| |
| - if: |
| properties: |
| compatible: |
| const: mediatek,mt7988-switch |
| then: |
| $ref: "#/$defs/mt7530-dsa-port" |
| properties: |
| gpio-controller: false |
| mediatek,mcm: false |
| reset-names: false |
| |
| unevaluatedProperties: false |
| |
| examples: |
| # Example 1: Standalone MT7530 |
| - | |
| #include <dt-bindings/gpio/gpio.h> |
| |
| mdio { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| switch@1f { |
| compatible = "mediatek,mt7530"; |
| reg = <0x1f>; |
| |
| reset-gpios = <&pio 33 0>; |
| |
| core-supply = <&mt6323_vpa_reg>; |
| io-supply = <&mt6323_vemc3v3_reg>; |
| |
| ethernet-ports { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| port@0 { |
| reg = <0>; |
| label = "lan1"; |
| }; |
| |
| port@1 { |
| reg = <1>; |
| label = "lan2"; |
| }; |
| |
| port@2 { |
| reg = <2>; |
| label = "lan3"; |
| }; |
| |
| port@3 { |
| reg = <3>; |
| label = "lan4"; |
| }; |
| |
| port@4 { |
| reg = <4>; |
| label = "wan"; |
| }; |
| |
| port@6 { |
| reg = <6>; |
| ethernet = <&gmac0>; |
| phy-mode = "rgmii"; |
| |
| fixed-link { |
| speed = <1000>; |
| full-duplex; |
| pause; |
| }; |
| }; |
| }; |
| }; |
| }; |
| |
| # Example 2: MT7530 in MT7623AI SoC |
| - | |
| #include <dt-bindings/reset/mt2701-resets.h> |
| |
| mdio { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| switch@1f { |
| compatible = "mediatek,mt7530"; |
| reg = <0x1f>; |
| |
| mediatek,mcm; |
| resets = <ðsys MT2701_ETHSYS_MCM_RST>; |
| reset-names = "mcm"; |
| |
| core-supply = <&mt6323_vpa_reg>; |
| io-supply = <&mt6323_vemc3v3_reg>; |
| |
| ethernet-ports { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| port@0 { |
| reg = <0>; |
| label = "lan1"; |
| }; |
| |
| port@1 { |
| reg = <1>; |
| label = "lan2"; |
| }; |
| |
| port@2 { |
| reg = <2>; |
| label = "lan3"; |
| }; |
| |
| port@3 { |
| reg = <3>; |
| label = "lan4"; |
| }; |
| |
| port@4 { |
| reg = <4>; |
| label = "wan"; |
| }; |
| |
| port@6 { |
| reg = <6>; |
| ethernet = <&gmac0>; |
| phy-mode = "trgmii"; |
| |
| fixed-link { |
| speed = <1000>; |
| full-duplex; |
| pause; |
| }; |
| }; |
| }; |
| }; |
| }; |
| |
| # Example 3: Standalone MT7531 |
| - | |
| #include <dt-bindings/gpio/gpio.h> |
| #include <dt-bindings/interrupt-controller/irq.h> |
| |
| mdio { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| switch@0 { |
| compatible = "mediatek,mt7531"; |
| reg = <0>; |
| |
| reset-gpios = <&pio 54 0>; |
| |
| interrupt-controller; |
| #interrupt-cells = <1>; |
| interrupt-parent = <&pio>; |
| interrupts = <53 IRQ_TYPE_LEVEL_HIGH>; |
| |
| ethernet-ports { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| port@0 { |
| reg = <0>; |
| label = "lan1"; |
| }; |
| |
| port@1 { |
| reg = <1>; |
| label = "lan2"; |
| }; |
| |
| port@2 { |
| reg = <2>; |
| label = "lan3"; |
| }; |
| |
| port@3 { |
| reg = <3>; |
| label = "lan4"; |
| }; |
| |
| port@4 { |
| reg = <4>; |
| label = "wan"; |
| }; |
| |
| port@6 { |
| reg = <6>; |
| ethernet = <&gmac0>; |
| phy-mode = "2500base-x"; |
| |
| fixed-link { |
| speed = <2500>; |
| full-duplex; |
| pause; |
| }; |
| }; |
| }; |
| }; |
| }; |
| |
| # Example 4: MT7530 in MT7621AT, MT7621DAT and MT7621ST SoCs |
| - | |
| #include <dt-bindings/interrupt-controller/mips-gic.h> |
| #include <dt-bindings/reset/mt7621-reset.h> |
| |
| mdio { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| switch@1f { |
| compatible = "mediatek,mt7621"; |
| reg = <0x1f>; |
| |
| mediatek,mcm; |
| resets = <&sysc MT7621_RST_MCM>; |
| reset-names = "mcm"; |
| |
| interrupt-controller; |
| #interrupt-cells = <1>; |
| interrupt-parent = <&gic>; |
| interrupts = <GIC_SHARED 23 IRQ_TYPE_LEVEL_HIGH>; |
| |
| ethernet-ports { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| port@0 { |
| reg = <0>; |
| label = "lan1"; |
| }; |
| |
| port@1 { |
| reg = <1>; |
| label = "lan2"; |
| }; |
| |
| port@2 { |
| reg = <2>; |
| label = "lan3"; |
| }; |
| |
| port@3 { |
| reg = <3>; |
| label = "lan4"; |
| }; |
| |
| port@4 { |
| reg = <4>; |
| label = "wan"; |
| }; |
| |
| port@6 { |
| reg = <6>; |
| ethernet = <&gmac0>; |
| phy-mode = "trgmii"; |
| |
| fixed-link { |
| speed = <1000>; |
| full-duplex; |
| pause; |
| }; |
| }; |
| }; |
| }; |
| }; |
| |
| # Example 5: MT7621: mux MT7530's phy4 to SoC's gmac1 |
| - | |
| #include <dt-bindings/interrupt-controller/mips-gic.h> |
| #include <dt-bindings/reset/mt7621-reset.h> |
| |
| ethernet { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| pinctrl-names = "default"; |
| pinctrl-0 = <&rgmii2_pins>; |
| |
| mac@1 { |
| compatible = "mediatek,eth-mac"; |
| reg = <1>; |
| |
| phy-mode = "rgmii"; |
| phy-handle = <&example5_ethphy4>; |
| }; |
| |
| mdio { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| /* MT7530's phy4 */ |
| example5_ethphy4: ethernet-phy@4 { |
| reg = <4>; |
| }; |
| |
| switch@1f { |
| compatible = "mediatek,mt7621"; |
| reg = <0x1f>; |
| |
| mediatek,mcm; |
| resets = <&sysc MT7621_RST_MCM>; |
| reset-names = "mcm"; |
| |
| interrupt-controller; |
| #interrupt-cells = <1>; |
| interrupt-parent = <&gic>; |
| interrupts = <GIC_SHARED 23 IRQ_TYPE_LEVEL_HIGH>; |
| |
| ethernet-ports { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| port@0 { |
| reg = <0>; |
| label = "lan1"; |
| }; |
| |
| port@1 { |
| reg = <1>; |
| label = "lan2"; |
| }; |
| |
| port@2 { |
| reg = <2>; |
| label = "lan3"; |
| }; |
| |
| port@3 { |
| reg = <3>; |
| label = "lan4"; |
| }; |
| |
| /* Commented out, phy4 is connected to gmac1. |
| port@4 { |
| reg = <4>; |
| label = "wan"; |
| }; |
| */ |
| |
| port@6 { |
| reg = <6>; |
| ethernet = <&gmac0>; |
| phy-mode = "trgmii"; |
| |
| fixed-link { |
| speed = <1000>; |
| full-duplex; |
| pause; |
| }; |
| }; |
| }; |
| }; |
| }; |
| }; |
| |
| # Example 6: MT7621: mux external phy to SoC's gmac1 |
| - | |
| #include <dt-bindings/interrupt-controller/mips-gic.h> |
| #include <dt-bindings/reset/mt7621-reset.h> |
| |
| ethernet { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| pinctrl-names = "default"; |
| pinctrl-0 = <&rgmii2_pins>; |
| |
| mac@1 { |
| compatible = "mediatek,eth-mac"; |
| reg = <1>; |
| |
| phy-mode = "rgmii"; |
| phy-handle = <&example6_ethphy7>; |
| }; |
| |
| mdio { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| /* External PHY */ |
| example6_ethphy7: ethernet-phy@7 { |
| reg = <7>; |
| phy-mode = "rgmii"; |
| }; |
| |
| switch@1f { |
| compatible = "mediatek,mt7621"; |
| reg = <0x1f>; |
| |
| mediatek,mcm; |
| resets = <&sysc MT7621_RST_MCM>; |
| reset-names = "mcm"; |
| |
| interrupt-controller; |
| #interrupt-cells = <1>; |
| interrupt-parent = <&gic>; |
| interrupts = <GIC_SHARED 23 IRQ_TYPE_LEVEL_HIGH>; |
| |
| ethernet-ports { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| port@0 { |
| reg = <0>; |
| label = "lan1"; |
| }; |
| |
| port@1 { |
| reg = <1>; |
| label = "lan2"; |
| }; |
| |
| port@2 { |
| reg = <2>; |
| label = "lan3"; |
| }; |
| |
| port@3 { |
| reg = <3>; |
| label = "lan4"; |
| }; |
| |
| port@4 { |
| reg = <4>; |
| label = "wan"; |
| }; |
| |
| port@6 { |
| reg = <6>; |
| ethernet = <&gmac0>; |
| phy-mode = "trgmii"; |
| |
| fixed-link { |
| speed = <1000>; |
| full-duplex; |
| pause; |
| }; |
| }; |
| }; |
| }; |
| }; |
| }; |
| |
| # Example 7: MT7621: mux external phy to MT7530's port 5 |
| - | |
| #include <dt-bindings/interrupt-controller/mips-gic.h> |
| #include <dt-bindings/reset/mt7621-reset.h> |
| |
| ethernet { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| pinctrl-names = "default"; |
| pinctrl-0 = <&rgmii2_pins>; |
| |
| mdio { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| /* External PHY */ |
| example7_ethphy7: ethernet-phy@7 { |
| reg = <7>; |
| phy-mode = "rgmii"; |
| }; |
| |
| switch@1f { |
| compatible = "mediatek,mt7621"; |
| reg = <0x1f>; |
| |
| mediatek,mcm; |
| resets = <&sysc MT7621_RST_MCM>; |
| reset-names = "mcm"; |
| |
| interrupt-controller; |
| #interrupt-cells = <1>; |
| interrupt-parent = <&gic>; |
| interrupts = <GIC_SHARED 23 IRQ_TYPE_LEVEL_HIGH>; |
| |
| ethernet-ports { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| port@0 { |
| reg = <0>; |
| label = "lan1"; |
| }; |
| |
| port@1 { |
| reg = <1>; |
| label = "lan2"; |
| }; |
| |
| port@2 { |
| reg = <2>; |
| label = "lan3"; |
| }; |
| |
| port@3 { |
| reg = <3>; |
| label = "lan4"; |
| }; |
| |
| port@4 { |
| reg = <4>; |
| label = "wan"; |
| }; |
| |
| port@5 { |
| reg = <5>; |
| label = "extphy"; |
| phy-mode = "rgmii-txid"; |
| phy-handle = <&example7_ethphy7>; |
| }; |
| |
| port@6 { |
| reg = <6>; |
| ethernet = <&gmac0>; |
| phy-mode = "trgmii"; |
| |
| fixed-link { |
| speed = <1000>; |
| full-duplex; |
| pause; |
| }; |
| }; |
| }; |
| }; |
| }; |
| }; |
