dt-bindings: net: renesas: Document Renesas Ethernet Switch

Document Renesas Etherent Switch for R-Car S4-8 (r8a779f0).
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

Documentation/devicetree/bindings/net/renesas,r8a779f0-ether-switch.yaml

+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/renesas,r8a779f0-ether-switch.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Renesas Ethernet Switch
+
+maintainers:
+  - Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
+
+properties:
+  compatible:
+    const: renesas,r8a779f0-ether-switch
+
+  reg:
+    maxItems: 2
+
+  reg-names:
+    items:
+      - const: base
+      - const: secure_base
+
+  interrupts:
+    maxItems: 47
+
+  interrupt-names:
+    items:
+      - const: mfwd_error
+      - const: race_error
+      - const: coma_error
+      - const: gwca0_error
+      - const: gwca1_error
+      - const: etha0_error
+      - const: etha1_error
+      - const: etha2_error
+      - const: gptp0_status
+      - const: gptp1_status
+      - const: mfwd_status
+      - const: race_status
+      - const: coma_status
+      - const: gwca0_status
+      - const: gwca1_status
+      - const: etha0_status
+      - const: etha1_status
+      - const: etha2_status
+      - const: rmac0_status
+      - const: rmac1_status
+      - const: rmac2_status
+      - const: gwca0_rxtx0
+      - const: gwca0_rxtx1
+      - const: gwca0_rxtx2
+      - const: gwca0_rxtx3
+      - const: gwca0_rxtx4
+      - const: gwca0_rxtx5
+      - const: gwca0_rxtx6
+      - const: gwca0_rxtx7
+      - const: gwca1_rxtx0
+      - const: gwca1_rxtx1
+      - const: gwca1_rxtx2
+      - const: gwca1_rxtx3
+      - const: gwca1_rxtx4
+      - const: gwca1_rxtx5
+      - const: gwca1_rxtx6
+      - const: gwca1_rxtx7
+      - const: gwca0_rxts0
+      - const: gwca0_rxts1
+      - const: gwca1_rxts0
+      - const: gwca1_rxts1
+      - const: rmac0_mdio
+      - const: rmac1_mdio
+      - const: rmac2_mdio
+      - const: rmac0_phy
+      - const: rmac1_phy
+      - const: rmac2_phy
+
+  clocks:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
+  iommus:
+    maxItems: 16
+
+  power-domains:
+    maxItems: 1
+
+  ethernet-ports:
+    type: object
+    additionalProperties: false
+
+    properties:
+      '#address-cells':
+        description: Port number of ETHA (TSNA).
+        const: 1
+
+      '#size-cells':
+        const: 0
+
+    patternProperties:
+      "^port@[0-9a-f]+$":
+        type: object
+        $ref: /schemas/net/ethernet-controller.yaml#
+        unevaluatedProperties: false
+
+        properties:
+          reg:
+            maxItems: 1
+            description:
+              Port number of ETHA (TSNA).
+
+          phys:
+            maxItems: 1
+            description:
+              Phandle of an Ethernet SERDES.
+
+          mdio:
+            $ref: /schemas/net/mdio.yaml#
+            unevaluatedProperties: false
+
+        required:
+          - reg
+          - phy-handle
+          - phy-mode
+          - phys
+          - mdio
+
+required:
+  - compatible
+  - reg
+  - reg-names
+  - interrupts
+  - interrupt-names
+  - clocks
+  - resets
+  - power-domains
+  - ethernet-ports
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/r8a779f0-cpg-mssr.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/power/r8a779f0-sysc.h>
+
+    ethernet@e6880000 {
+        compatible = "renesas,r8a779f0-ether-switch";
+        reg = <0xe6880000 0x20000>, <0xe68c0000 0x20000>;
+        reg-names = "base", "secure_base";
+        interrupts = <GIC_SPI 256 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 257 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 258 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 259 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 260 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 261 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 262 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 263 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 265 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 266 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 267 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 268 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 269 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 270 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 271 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 272 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 273 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 274 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 276 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 277 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 278 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 280 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 281 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 282 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 283 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 284 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 285 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 286 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 287 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 288 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 289 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 290 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 291 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 292 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 293 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 294 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 295 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 296 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 297 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 298 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 299 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 300 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 301 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 302 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 304 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 305 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 306 IRQ_TYPE_LEVEL_HIGH>;
+        interrupt-names = "mfwd_error", "race_error",
+                          "coma_error", "gwca0_error",
+                          "gwca1_error", "etha0_error",
+                          "etha1_error", "etha2_error",
+                          "gptp0_status", "gptp1_status",
+                          "mfwd_status", "race_status",
+                          "coma_status", "gwca0_status",
+                          "gwca1_status", "etha0_status",
+                          "etha1_status", "etha2_status",
+                          "rmac0_status", "rmac1_status",
+                          "rmac2_status",
+                          "gwca0_rxtx0", "gwca0_rxtx1",
+                          "gwca0_rxtx2", "gwca0_rxtx3",
+                          "gwca0_rxtx4", "gwca0_rxtx5",
+                          "gwca0_rxtx6", "gwca0_rxtx7",
+                          "gwca1_rxtx0", "gwca1_rxtx1",
+                          "gwca1_rxtx2", "gwca1_rxtx3",
+                          "gwca1_rxtx4", "gwca1_rxtx5",
+                          "gwca1_rxtx6", "gwca1_rxtx7",
+                          "gwca0_rxts0", "gwca0_rxts1",
+                          "gwca1_rxts0", "gwca1_rxts1",
+                          "rmac0_mdio", "rmac1_mdio",
+                          "rmac2_mdio",
+                          "rmac0_phy", "rmac1_phy",
+                          "rmac2_phy";
+        clocks = <&cpg CPG_MOD 1505>;
+        power-domains = <&sysc R8A779F0_PD_ALWAYS_ON>;
+        resets = <&cpg 1505>;
+
+        ethernet-ports {
+            #address-cells = <1>;
+            #size-cells = <0>;
+            port@0 {
+                reg = <0>;
+                phy-handle = <&eth_phy0>;
+                phy-mode = "sgmii";
+                phys = <&eth_serdes 0>;
+                mdio {
+                    #address-cells = <1>;
+                    #size-cells = <0>;
+                };
+            };
+            port@1 {
+                reg = <1>;
+                phy-handle = <&eth_phy1>;
+                phy-mode = "sgmii";
+                phys = <&eth_serdes 1>;
+                mdio {
+                    #address-cells = <1>;
+                    #size-cells = <0>;
+                };
+            };
+            port@2 {
+                reg = <2>;
+                phy-handle = <&eth_phy2>;
+                phy-mode = "sgmii";
+                phys = <&eth_serdes 2>;
+                mdio {
+                    #address-cells = <1>;
+                    #size-cells = <0>;
+                };
+            };
+        };
+    };