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Miller" , Jakub Kicinski , Rob Herring , Device Tree List Subject: [RFC PATCH v3 1/8] dt-bindings: net: sparx5: Add sparx5-switch bindings Date: Fri, 15 Jan 2021 14:53:32 +0100 Message-ID: <20210115135339.3127198-2-steen.hegelund@microchip.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210115135339.3127198-1-steen.hegelund@microchip.com> References: <20210115135339.3127198-1-steen.hegelund@microchip.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210115_085359_160667_F400FB30 X-CRM114-Status: GOOD ( 18.45 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Andrew Lunn , Alexandre Belloni , linux-kernel@vger.kernel.org, Arnd Bergmann , Bjarni Jonasson , Madalin Bucur , netdev@vger.kernel.org, Steen Hegelund , Russell King , Microchip Linux Driver Support , linux-arm-kernel@lists.infradead.org, Mark Einon , Masahiro Yamada , Lars Povlsen Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Document the Sparx5 switch device driver bindings Signed-off-by: Steen Hegelund Signed-off-by: Lars Povlsen --- .../bindings/net/microchip,sparx5-switch.yaml | 211 ++++++++++++++++++ 1 file changed, 211 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/microchip,sparx5-switch.yaml diff --git a/Documentation/devicetree/bindings/net/microchip,sparx5-switch.yaml b/Documentation/devicetree/bindings/net/microchip,sparx5-switch.yaml new file mode 100644 index 000000000000..479a36874fe5 --- /dev/null +++ b/Documentation/devicetree/bindings/net/microchip,sparx5-switch.yaml @@ -0,0 +1,211 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/microchip,sparx5-switch.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microchip Sparx5 Ethernet switch controller + +maintainers: + - Lars Povlsen + - Steen Hegelund + +description: | + The SparX-5 Enterprise Ethernet switch family provides a rich set of + Enterprise switching features such as advanced TCAM-based VLAN and + QoS processing enabling delivery of differentiated services, and + security through TCAM-based frame processing using versatile content + aware processor (VCAP). + + IPv4/IPv6 Layer 3 (L3) unicast and multicast routing is supported + with up to 18K IPv4/9K IPv6 unicast LPM entries and up to 9K IPv4/3K + IPv6 (S,G) multicast groups. + + L3 security features include source guard and reverse path + forwarding (uRPF) tasks. Additional L3 features include VRF-Lite and + IP tunnels (IP over GRE/IP). + + The SparX-5 switch family targets managed Layer 2 and Layer 3 + equipment in SMB, SME, and Enterprise where high port count + 1G/2.5G/5G/10G switching with 10G/25G aggregation links is required. + +properties: + $nodename: + pattern: "^switch@[0-9a-f]+$" + + compatible: + const: microchip,sparx5-switch + + reg: + minItems: 2 + + reg-names: + items: + - const: devices + - const: gcb + + interrupts: + maxItems: 1 + description: Interrupt used for reception of packets to the CPU + + mac-address: + maxItems: 1 + description: + Specifies the MAC address that is used as the template for the MAC + addresses assigned to the ports provided by the driver. If not provided + a randomly generated MAC address will be used. + + ethernet-ports: + type: object + properties: + '#address-cells': + const: 1 + '#size-cells': + const: 0 + + patternProperties: + "^port@[0-9]+$": + type: object + description: Switch ports + + allOf: + - $ref: ethernet-controller.yaml# + + properties: + reg: + description: Switch port number + + bandwidth: + maxItems: 1 + $ref: /schemas/types.yaml#definitions/uint32 + description: Specifies bandwidth in Mbit/s allocated to the port. + + phys: + maxItems: 1 + description: + phandle of a Ethernet SerDes PHY. This defines which SerDes + instance will handle the Ethernet traffic. + + phy-handle: + maxItems: 1 + description: + phandle of a Ethernet PHY. This is optional and if provided it + points to the cuPHY used by the Ethernet SerDes. + + phy-mode: + maxItems: 1 + description: + This specifies the interface used by the Ethernet SerDes towards the + phy or SFP. + + sfp: + maxItems: 1 + description: + phandle of an SFP. This is optional and used when not specifying + a cuPHY. It points to the SFP node that describes the SFP used by + the Ethernet SerDes. + + managed: + maxItems: 1 + description: + SFP management. This must be provided when specifying an SFP. + + sd_sgpio: + $ref: /schemas/types.yaml#/definitions/uint32 + maxItems: 1 + description: + Index of the ports Signal Detect SGPIO in the set of 384 SGPIOs + This is optional, and only needed if the default used index is + is not correct. + + required: + - reg + - bandwidth + - phys + - phy-mode + + oneOf: + - required: + - phy-handle + - required: + - sfp + - managed + + additionalProperties: false + +required: + - compatible + - reg + - reg-names + - interrupts + - ethernet-ports + +additionalProperties: false + +examples: + - | + #include + switch: switch@600000000 { + compatible = "microchip,sparx5-switch"; + reg = <0x10000000 0x800000>, + <0x11010000 0x1b00000>; + reg-names = "devices", "gcb"; + + interrupts = ; + ethernet-ports { + #address-cells = <1>; + #size-cells = <0>; + + port0: port@0 { + reg = <0>; + bandwidth = <1000>; + phys = <&serdes 13>; + phy-handle = <&phy0>; + phy-mode = "qsgmii"; + }; + /* ... */ + /* Then the 25G interfaces */ + port60: port@60 { + reg = <60>; + bandwidth = <25000>; + phys = <&serdes 29>; + phy-mode = "10gbase-r"; + sfp = <&sfp_eth60>; + managed = "in-band-status"; + }; + port61: port@61 { + reg = <61>; + bandwidth = <25000>; + phys = <&serdes 30>; + phy-mode = "10gbase-r"; + sfp = <&sfp_eth61>; + managed = "in-band-status"; + }; + port62: port@62 { + reg = <62>; + bandwidth = <25000>; + phys = <&serdes 31>; + phy-mode = "10gbase-r"; + sfp = <&sfp_eth62>; + managed = "in-band-status"; + }; + port63: port@63 { + reg = <63>; + bandwidth = <25000>; + phys = <&serdes 32>; + phy-mode = "10gbase-r"; + sfp = <&sfp_eth63>; + managed = "in-band-status"; + }; + /* Finally the Management interface */ + port64: port@64 { + reg = <64>; + bandwidth = <1000>; + phys = <&serdes 0>; + phy-handle = <&phy64>; + phy-mode = "sgmii"; + }; + }; + }; + +...