arm64: dts: renesas: spider-ethernet: Enable Ethernet Switch and SERDES

Enable Ethernet Switch and SERDES for R-Car S4-8 (r8a779f0).

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20221118120953.1186392-3-yoshihiro.shimoda.uh@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm64/boot/dts/renesas/r8a779f0-spider-ethernet.dtsi b/arch/arm64/boot/dts/renesas/r8a779f0-spider-ethernet.dtsi
index 15e8d1e..33c1015 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a779f0-spider-ethernet.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779f0-spider-ethernet.dtsi
@@ -5,6 +5,10 @@
  * Copyright (C) 2021 Renesas Electronics Corp.
  */
 
+&eth_serdes {
+       status = "okay";
+};
+
 &i2c4 {
        eeprom@52 {
                compatible = "rohm,br24g01", "atmel,24c01";
@@ -13,3 +17,89 @@
                pagesize = <8>;
        };
 };
+
+&pfc {
+       tsn0_pins: tsn0 {
+               groups = "tsn0_mdio_b", "tsn0_link_b";
+               function = "tsn0";
+               power-source = <1800>;
+       };
+
+       tsn1_pins: tsn1 {
+               groups = "tsn1_mdio_b", "tsn1_link_b";
+               function = "tsn1";
+               power-source = <1800>;
+       };
+
+       tsn2_pins: tsn2 {
+               groups = "tsn2_mdio_b", "tsn2_link_b";
+               function = "tsn2";
+               power-source = <1800>;
+       };
+};
+
+&rswitch {
+       pinctrl-0 = <&tsn0_pins>, <&tsn1_pins>, <&tsn2_pins>;
+       pinctrl-names = "default";
+       status = "okay";
+
+       ethernet-ports {
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               port@0 {
+                       reg = <0>;
+                       phy-handle = <&u101>;
+                       phy-mode = "sgmii";
+                       phys = <&eth_serdes 0>;
+
+                       mdio {
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+
+                               u101: ethernet-phy@1 {
+                                       reg = <1>;
+                                       compatible = "ethernet-phy-ieee802.3-c45";
+                                       interrupt-parent = <&gpio3>;
+                                       interrupts = <10 IRQ_TYPE_LEVEL_LOW>;
+                               };
+                       };
+               };
+               port@1 {
+                       reg = <1>;
+                       phy-handle = <&u201>;
+                       phy-mode = "sgmii";
+                       phys = <&eth_serdes 1>;
+
+                       mdio {
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+
+                               u201: ethernet-phy@2 {
+                                       reg = <2>;
+                                       compatible = "ethernet-phy-ieee802.3-c45";
+                                       interrupt-parent = <&gpio3>;
+                                       interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+                               };
+                       };
+               };
+               port@2 {
+                       reg = <2>;
+                       phy-handle = <&u301>;
+                       phy-mode = "sgmii";
+                       phys = <&eth_serdes 2>;
+
+                       mdio {
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+
+                               u301: ethernet-phy@3 {
+                                       reg = <3>;
+                                       compatible = "ethernet-phy-ieee802.3-c45";
+                                       interrupt-parent = <&gpio3>;
+                                       interrupts = <9 IRQ_TYPE_LEVEL_LOW>;
+                               };
+                       };
+               };
+       };
+};