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Diffstat (limited to 'Documentation/devicetree/bindings/net/mediatek,net.yaml')
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diff --git a/Documentation/devicetree/bindings/net/mediatek,net.yaml b/Documentation/devicetree/bindings/net/mediatek,net.yaml new file mode 100644 index 000000000..7ef696204 --- /dev/null +++ b/Documentation/devicetree/bindings/net/mediatek,net.yaml @@ -0,0 +1,446 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/mediatek,net.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek Frame Engine Ethernet controller + +maintainers: + - Lorenzo Bianconi <lorenzo@kernel.org> + - Felix Fietkau <nbd@nbd.name> + +description: + The frame engine ethernet controller can be found on MediaTek SoCs. These SoCs + have dual GMAC ports. + +properties: + compatible: + enum: + - mediatek,mt2701-eth + - mediatek,mt7623-eth + - mediatek,mt7622-eth + - mediatek,mt7629-eth + - mediatek,mt7986-eth + - ralink,rt5350-eth + + reg: + maxItems: 1 + + clocks: true + clock-names: true + + interrupts: + minItems: 3 + maxItems: 4 + + power-domains: + maxItems: 1 + + resets: + maxItems: 3 + + reset-names: + items: + - const: fe + - const: gmac + - const: ppe + + mediatek,ethsys: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Phandle to the syscon node that handles the port setup. + + cci-control-port: true + + mediatek,hifsys: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Phandle to the mediatek hifsys controller used to provide various clocks + and reset to the system. + + mediatek,sgmiisys: + $ref: /schemas/types.yaml#/definitions/phandle-array + minItems: 1 + maxItems: 2 + items: + maxItems: 1 + description: + A list of phandle to the syscon node that handles the SGMII setup which is required for + those SoCs equipped with SGMII. + + mediatek,wed: + $ref: /schemas/types.yaml#/definitions/phandle-array + minItems: 2 + maxItems: 2 + items: + maxItems: 1 + description: + List of phandles to wireless ethernet dispatch nodes. + + dma-coherent: true + + mdio-bus: + $ref: mdio.yaml# + unevaluatedProperties: false + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + +allOf: + - $ref: "ethernet-controller.yaml#" + - if: + properties: + compatible: + contains: + enum: + - mediatek,mt2701-eth + - mediatek,mt7623-eth + then: + properties: + interrupts: + maxItems: 3 + + clocks: + minItems: 4 + maxItems: 4 + + clock-names: + items: + - const: ethif + - const: esw + - const: gp1 + - const: gp2 + + mediatek,pctl: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Phandle to the syscon node that handles the ports slew rate and + driver current. + + mediatek,wed: false + + - if: + properties: + compatible: + contains: + const: mediatek,mt7622-eth + then: + properties: + interrupts: + maxItems: 3 + + clocks: + minItems: 11 + maxItems: 11 + + clock-names: + items: + - const: ethif + - const: esw + - const: gp0 + - const: gp1 + - const: gp2 + - const: sgmii_tx250m + - const: sgmii_rx250m + - const: sgmii_cdr_ref + - const: sgmii_cdr_fb + - const: sgmii_ck + - const: eth2pll + + mediatek,sgmiisys: + minItems: 1 + maxItems: 1 + + mediatek,pcie-mirror: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Phandle to the mediatek pcie-mirror controller. + + - if: + properties: + compatible: + contains: + const: mediatek,mt7629-eth + then: + properties: + interrupts: + maxItems: 3 + + clocks: + minItems: 17 + maxItems: 17 + + clock-names: + items: + - const: ethif + - const: sgmiitop + - const: esw + - const: gp0 + - const: gp1 + - const: gp2 + - const: fe + - const: sgmii_tx250m + - const: sgmii_rx250m + - const: sgmii_cdr_ref + - const: sgmii_cdr_fb + - const: sgmii2_tx250m + - const: sgmii2_rx250m + - const: sgmii2_cdr_ref + - const: sgmii2_cdr_fb + - const: sgmii_ck + - const: eth2pll + + mediatek,infracfg: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Phandle to the syscon node that handles the path from GMAC to + PHY variants. + + mediatek,sgmiisys: + minItems: 2 + maxItems: 2 + + mediatek,wed: false + + - if: + properties: + compatible: + contains: + const: mediatek,mt7986-eth + then: + properties: + interrupts: + minItems: 4 + + clocks: + minItems: 15 + maxItems: 15 + + clock-names: + items: + - const: fe + - const: gp2 + - const: gp1 + - const: wocpu1 + - const: wocpu0 + - const: sgmii_tx250m + - const: sgmii_rx250m + - const: sgmii_cdr_ref + - const: sgmii_cdr_fb + - const: sgmii2_tx250m + - const: sgmii2_rx250m + - const: sgmii2_cdr_ref + - const: sgmii2_cdr_fb + - const: netsys0 + - const: netsys1 + + mediatek,sgmiisys: + minItems: 2 + maxItems: 2 + + mediatek,wed-pcie: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Phandle to the mediatek wed-pcie controller. + +patternProperties: + "^mac@[0-1]$": + type: object + additionalProperties: false + allOf: + - $ref: ethernet-controller.yaml# + description: + Ethernet MAC node + properties: + compatible: + const: mediatek,eth-mac + + reg: + maxItems: 1 + + phy-handle: true + + phy-mode: true + + required: + - reg + - compatible + - phy-handle + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - mediatek,ethsys + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/clock/mt7622-clk.h> + #include <dt-bindings/power/mt7622-power.h> + + soc { + #address-cells = <2>; + #size-cells = <2>; + + ethernet: ethernet@1b100000 { + compatible = "mediatek,mt7622-eth"; + reg = <0 0x1b100000 0 0x20000>; + interrupts = <GIC_SPI 223 IRQ_TYPE_LEVEL_LOW>, + <GIC_SPI 224 IRQ_TYPE_LEVEL_LOW>, + <GIC_SPI 225 IRQ_TYPE_LEVEL_LOW>; + clocks = <&topckgen CLK_TOP_ETH_SEL>, + <ðsys CLK_ETH_ESW_EN>, + <ðsys CLK_ETH_GP0_EN>, + <ðsys CLK_ETH_GP1_EN>, + <ðsys CLK_ETH_GP2_EN>, + <&sgmiisys CLK_SGMII_TX250M_EN>, + <&sgmiisys CLK_SGMII_RX250M_EN>, + <&sgmiisys CLK_SGMII_CDR_REF>, + <&sgmiisys CLK_SGMII_CDR_FB>, + <&topckgen CLK_TOP_SGMIIPLL>, + <&apmixedsys CLK_APMIXED_ETH2PLL>; + clock-names = "ethif", "esw", "gp0", "gp1", "gp2", + "sgmii_tx250m", "sgmii_rx250m", + "sgmii_cdr_ref", "sgmii_cdr_fb", "sgmii_ck", + "eth2pll"; + power-domains = <&scpsys MT7622_POWER_DOMAIN_ETHSYS>; + mediatek,ethsys = <ðsys>; + mediatek,sgmiisys = <&sgmiisys>; + cci-control-port = <&cci_control2>; + mediatek,pcie-mirror = <&pcie_mirror>; + mediatek,hifsys = <&hifsys>; + dma-coherent; + + #address-cells = <1>; + #size-cells = <0>; + + mdio0: mdio-bus { + #address-cells = <1>; + #size-cells = <0>; + + phy0: ethernet-phy@0 { + reg = <0>; + }; + + phy1: ethernet-phy@1 { + reg = <1>; + }; + }; + + gmac0: mac@0 { + compatible = "mediatek,eth-mac"; + phy-mode = "rgmii"; + phy-handle = <&phy0>; + reg = <0>; + }; + + gmac1: mac@1 { + compatible = "mediatek,eth-mac"; + phy-mode = "rgmii"; + phy-handle = <&phy1>; + reg = <1>; + }; + }; + }; + + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/clock/mt7622-clk.h> + + soc { + #address-cells = <2>; + #size-cells = <2>; + + eth: ethernet@15100000 { + #define CLK_ETH_FE_EN 0 + #define CLK_ETH_WOCPU1_EN 3 + #define CLK_ETH_WOCPU0_EN 4 + #define CLK_TOP_NETSYS_SEL 43 + #define CLK_TOP_NETSYS_500M_SEL 44 + #define CLK_TOP_NETSYS_2X_SEL 46 + #define CLK_TOP_SGM_325M_SEL 47 + #define CLK_APMIXED_NET2PLL 1 + #define CLK_APMIXED_SGMPLL 3 + + compatible = "mediatek,mt7986-eth"; + reg = <0 0x15100000 0 0x80000>; + interrupts = <GIC_SPI 196 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 197 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 198 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 199 IRQ_TYPE_LEVEL_HIGH>; + clocks = <ðsys CLK_ETH_FE_EN>, + <ðsys CLK_ETH_GP2_EN>, + <ðsys CLK_ETH_GP1_EN>, + <ðsys CLK_ETH_WOCPU1_EN>, + <ðsys CLK_ETH_WOCPU0_EN>, + <&sgmiisys0 CLK_SGMII_TX250M_EN>, + <&sgmiisys0 CLK_SGMII_RX250M_EN>, + <&sgmiisys0 CLK_SGMII_CDR_REF>, + <&sgmiisys0 CLK_SGMII_CDR_FB>, + <&sgmiisys1 CLK_SGMII_TX250M_EN>, + <&sgmiisys1 CLK_SGMII_RX250M_EN>, + <&sgmiisys1 CLK_SGMII_CDR_REF>, + <&sgmiisys1 CLK_SGMII_CDR_FB>, + <&topckgen CLK_TOP_NETSYS_SEL>, + <&topckgen CLK_TOP_NETSYS_SEL>; + clock-names = "fe", "gp2", "gp1", "wocpu1", "wocpu0", + "sgmii_tx250m", "sgmii_rx250m", + "sgmii_cdr_ref", "sgmii_cdr_fb", + "sgmii2_tx250m", "sgmii2_rx250m", + "sgmii2_cdr_ref", "sgmii2_cdr_fb", + "netsys0", "netsys1"; + mediatek,ethsys = <ðsys>; + mediatek,sgmiisys = <&sgmiisys0>, <&sgmiisys1>; + assigned-clocks = <&topckgen CLK_TOP_NETSYS_2X_SEL>, + <&topckgen CLK_TOP_SGM_325M_SEL>; + assigned-clock-parents = <&apmixedsys CLK_APMIXED_NET2PLL>, + <&apmixedsys CLK_APMIXED_SGMPLL>; + + #address-cells = <1>; + #size-cells = <0>; + + mdio: mdio-bus { + #address-cells = <1>; + #size-cells = <0>; + + phy5: ethernet-phy@0 { + compatible = "ethernet-phy-id67c9.de0a"; + phy-mode = "2500base-x"; + reset-gpios = <&pio 6 1>; + reset-deassert-us = <20000>; + reg = <5>; + }; + + phy6: ethernet-phy@1 { + compatible = "ethernet-phy-id67c9.de0a"; + phy-mode = "2500base-x"; + reg = <6>; + }; + }; + + mac0: mac@0 { + compatible = "mediatek,eth-mac"; + phy-mode = "2500base-x"; + phy-handle = <&phy5>; + reg = <0>; + }; + + mac1: mac@1 { + compatible = "mediatek,eth-mac"; + phy-mode = "2500base-x"; + phy-handle = <&phy6>; + reg = <1>; + }; + }; + }; |