# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- $id: http://devicetree.org/schemas/net/ti,cpsw-switch.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: TI SoC Ethernet Switch Controller (CPSW) Device Tree Bindings maintainers: - Grygorii Strashko - Sekhar Nori description: The 3-port switch gigabit ethernet subsystem provides ethernet packet communication and can be configured as an ethernet switch. It provides the gigabit media independent interface (GMII),reduced gigabit media independent interface (RGMII), reduced media independent interface (RMII), the management data input output (MDIO) for physical layer device (PHY) management. properties: compatible: oneOf: - const: ti,cpsw-switch - items: - const: ti,am335x-cpsw-switch - const: ti,cpsw-switch - items: - const: ti,am4372-cpsw-switch - const: ti,cpsw-switch - items: - const: ti,dra7-cpsw-switch - const: ti,cpsw-switch reg: maxItems: 1 description: The physical base address and size of full the CPSW module IO range '#address-cells': const: 1 '#size-cells': const: 1 ranges: true clocks: maxItems: 1 description: CPSW functional clock clock-names: items: - const: fck interrupts: items: - description: RX_THRESH interrupt - description: RX interrupt - description: TX interrupt - description: MISC interrupt interrupt-names: items: - const: "rx_thresh" - const: "rx" - const: "tx" - const: "misc" pinctrl-names: true syscon: $ref: /schemas/types.yaml#/definitions/phandle description: Phandle to the system control device node which provides access to efuse IO range with MAC addresses ethernet-ports: type: object properties: '#address-cells': const: 1 '#size-cells': const: 0 patternProperties: "^port@[0-9]+$": type: object description: CPSW external ports allOf: - $ref: ethernet-controller.yaml# properties: reg: items: - enum: [1, 2] description: CPSW port number phys: maxItems: 1 description: phandle on phy-gmii-sel PHY label: description: label associated with this port ti,dual-emac-pvid: $ref: /schemas/types.yaml#/definitions/uint32 minimum: 1 maximum: 1024 description: Specifies default PORT VID to be used to segregate ports. Default value - CPSW port number. required: - reg - phys cpts: type: object description: The Common Platform Time Sync (CPTS) module properties: clocks: maxItems: 1 description: CPTS reference clock clock-names: items: - const: cpts cpts_clock_mult: $ref: /schemas/types.yaml#/definitions/uint32 description: Numerator to convert input clock ticks into ns cpts_clock_shift: $ref: /schemas/types.yaml#/definitions/uint32 description: Denominator to convert input clock ticks into ns. Mult and shift will be calculated basing on CPTS rftclk frequency if both cpts_clock_shift and cpts_clock_mult properties are not provided. required: - clocks - clock-names patternProperties: "^mdio@": type: object description: CPSW MDIO bus. $ref: "ti,davinci-mdio.yaml#" required: - compatible - reg - ranges - clocks - clock-names - interrupts - interrupt-names - '#address-cells' - '#size-cells' additionalProperties: false examples: - | #include #include #include mac_sw: switch@0 { compatible = "ti,dra7-cpsw-switch","ti,cpsw-switch"; reg = <0x0 0x4000>; ranges = <0 0 0x4000>; clocks = <&gmac_main_clk>; clock-names = "fck"; #address-cells = <1>; #size-cells = <1>; syscon = <&scm_conf>; interrupts = , , , ; interrupt-names = "rx_thresh", "rx", "tx", "misc"; ethernet-ports { #address-cells = <1>; #size-cells = <0>; cpsw_port1: port@1 { reg = <1>; label = "port1"; mac-address = [ 00 00 00 00 00 00 ]; phys = <&phy_gmii_sel 1>; phy-handle = <ðphy0_sw>; phy-mode = "rgmii"; ti,dual-emac-pvid = <1>; }; cpsw_port2: port@2 { reg = <2>; label = "wan"; mac-address = [ 00 00 00 00 00 00 ]; phys = <&phy_gmii_sel 2>; phy-handle = <ðphy1_sw>; phy-mode = "rgmii"; ti,dual-emac-pvid = <2>; }; }; davinci_mdio_sw: mdio@1000 { compatible = "ti,cpsw-mdio","ti,davinci_mdio"; reg = <0x1000 0x100>; clocks = <&gmac_clkctrl DRA7_GMAC_GMAC_CLKCTRL 0>; clock-names = "fck"; #address-cells = <1>; #size-cells = <0>; bus_freq = <1000000>; ethphy0_sw: ethernet-phy@0 { reg = <0>; }; ethphy1_sw: ethernet-phy@1 { reg = <1>; }; }; cpts { clocks = <&gmac_clkctrl DRA7_GMAC_GMAC_CLKCTRL 25>; clock-names = "cpts"; }; };