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Message-ID: <20211129124359.4069432-2-horatiu.vultur@microchip.com>
Date: Mon, 29 Nov 2021 13:43:54 +0100
From: Horatiu Vultur <horatiu.vultur@...rochip.com>
To: <davem@...emloft.net>, <kuba@...nel.org>, <robh+dt@...nel.org>,
<UNGLinuxDriver@...rochip.com>, <p.zabel@...gutronix.de>,
<linux@...linux.org.uk>, <andrew@...n.ch>,
<netdev@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>
CC: Horatiu Vultur <horatiu.vultur@...rochip.com>
Subject: [PATCH net-next v5 1/6] dt-bindings: net: lan966x: Add lan966x-switch bindings
Document the lan966x switch device driver bindings
Signed-off-by: Horatiu Vultur <horatiu.vultur@...rochip.com>
---
.../net/microchip,lan966x-switch.yaml | 158 ++++++++++++++++++
1 file changed, 158 insertions(+)
create mode 100644 Documentation/devicetree/bindings/net/microchip,lan966x-switch.yaml
diff --git a/Documentation/devicetree/bindings/net/microchip,lan966x-switch.yaml b/Documentation/devicetree/bindings/net/microchip,lan966x-switch.yaml
new file mode 100644
index 000000000000..d54dc183a033
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/microchip,lan966x-switch.yaml
@@ -0,0 +1,158 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/microchip,lan966x-switch.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip Lan966x Ethernet switch controller
+
+maintainers:
+ - Horatiu Vultur <horatiu.vultur@...rochip.com>
+
+description: |
+ The lan966x switch is a multi-port Gigabit AVB/TSN Ethernet Switch with
+ two integrated 10/100/1000Base-T PHYs. In addition to the integrated PHYs,
+ it supports up to 2RGMII/RMII, up to 3BASE-X/SERDES/2.5GBASE-X and up to
+ 2 Quad-SGMII/Quad-USGMII interfaces.
+
+properties:
+ $nodename:
+ pattern: "^switch@[0-9a-f]+$"
+
+ compatible:
+ const: microchip,lan966x-switch
+
+ reg:
+ items:
+ - description: cpu target
+ - description: general control block target
+
+ reg-names:
+ items:
+ - const: cpu
+ - const: gcb
+
+ interrupts:
+ minItems: 1
+ items:
+ - description: register based extraction
+ - description: frame dma based extraction
+
+ interrupt-names:
+ minItems: 1
+ items:
+ - const: xtr
+ - const: fdma
+
+ resets:
+ items:
+ - description: Reset controller used for switch core reset (soft reset)
+ - description: Reset controller used for releasing the phy from reset
+
+ reset-names:
+ items:
+ - const: switch
+ - const: phy
+
+ ethernet-ports:
+ type: object
+ patternProperties:
+ "^port@[0-9a-f]+$":
+ type: object
+
+ allOf:
+ - $ref: "http://devicetree.org/schemas/net/ethernet-controller.yaml#"
+
+ properties:
+ '#address-cells':
+ const: 1
+ '#size-cells':
+ const: 0
+
+ reg:
+ description:
+ Switch port number
+
+ phys:
+ description:
+ Phandle of a Ethernet SerDes PHY
+
+ phy-mode:
+ description:
+ This specifies the interface used by the Ethernet SerDes towards
+ the PHY or SFP.
+ enum:
+ - gmii
+ - sgmii
+ - qsgmii
+ - 1000base-x
+ - 2500base-x
+
+ phy-handle:
+ description:
+ Phandle of a Ethernet PHY.
+
+ sfp:
+ description:
+ Phandle of an SFP.
+
+ managed: true
+
+ required:
+ - reg
+ - phys
+ - phy-mode
+
+ oneOf:
+ - required:
+ - phy-handle
+ - required:
+ - sfp
+ - managed
+
+required:
+ - compatible
+ - reg
+ - reg-names
+ - interrupts
+ - interrupt-names
+ - resets
+ - reset-names
+ - ethernet-ports
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ switch: switch@...00000 {
+ compatible = "microchip,lan966x-switch";
+ reg = <0xe0000000 0x0100000>,
+ <0xe2000000 0x0800000>;
+ reg-names = "cpu", "gcb";
+ interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "xtr";
+ resets = <&switch_reset 0>, <&phy_reset 0>;
+ reset-names = "switch", "phy";
+ ethernet-ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port0: port@0 {
+ reg = <0>;
+ phy-handle = <&phy0>;
+ phys = <&serdes 0 0>;
+ phy-mode = "gmii";
+ };
+
+ port1: port@1 {
+ reg = <1>;
+ sfp = <&sfp_eth1>;
+ managed = "in-band-status";
+ phys = <&serdes 2 4>;
+ phy-mode = "sgmii";
+ };
+ };
+ };
+
+...
--
2.33.0
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