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Date: Fri, 15 Jan 2021 14:53:32 +0100
From: Steen Hegelund <steen.hegelund@...rochip.com>
To: "David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Device Tree List <devicetree@...r.kernel.org>
CC: Steen Hegelund <steen.hegelund@...rochip.com>,
Andrew Lunn <andrew@...n.ch>,
Russell King <linux@...linux.org.uk>,
Lars Povlsen <lars.povlsen@...rochip.com>,
Bjarni Jonasson <bjarni.jonasson@...rochip.com>,
Microchip Linux Driver Support <UNGLinuxDriver@...rochip.com>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
Madalin Bucur <madalin.bucur@....nxp.com>,
Nicolas Ferre <nicolas.ferre@...rochip.com>,
Mark Einon <mark.einon@...il.com>,
Masahiro Yamada <masahiroy@...nel.org>,
Arnd Bergmann <arnd@...db.de>, <netdev@...r.kernel.org>,
<linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>
Subject: [RFC PATCH v3 1/8] dt-bindings: net: sparx5: Add sparx5-switch bindings
Document the Sparx5 switch device driver bindings
Signed-off-by: Steen Hegelund <steen.hegelund@...rochip.com>
Signed-off-by: Lars Povlsen <lars.povlsen@...rochip.com>
---
.../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 <lars.povlsen@...rochip.com>
+ - Steen Hegelund <steen.hegelund@...rochip.com>
+
+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 <dt-bindings/interrupt-controller/arm-gic.h>
+ switch: switch@...000000 {
+ compatible = "microchip,sparx5-switch";
+ reg = <0x10000000 0x800000>,
+ <0x11010000 0x1b00000>;
+ reg-names = "devices", "gcb";
+
+ interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
+ 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";
+ };
+ };
+ };
+
+...
--
2.29.2
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