Hi Marek,
> This adds support for the Turris Mox board from CZ.NIC.
>
> Turris Mox is as modular router based on the Armada 3720 SOC (same as
> EspressoBin).
>
> The basic board can be extended by different modules.
> If those are connected, U-Boot lets the kernel know via device-tree.
>
> Since modules can be connected in different order and some modules can
> be connected multiple times (up to three modules containing 8-port
> ethernet switch in DSA configuration can be connected) we decided
> against using device-tree overlays, because it got complicated rather
> quickly. (For example the SFP module can be connected directly to the
> CPU, or after a switch module. There are four cases and all would need
> different SFP overlay. There are two types of switch modules (8-port
> with pass-through and 4-port with no pass-through). For those we would
> again need at least 6 more overlays.)
>
> We therefore decided to put all the possibly connected devices in one
> device-tree and disable them by default. When U-Boot finds out which
> modules are connected, it fixes the loaded device-tree accordingly just
> before boot. By Rob Herring's suggestion we also made it so that U-Boot
> completely removes nodes which are disabled after this fixup.
>
This device tree looks sane for me I didn't see any issue, however I
would like to have the review from Andrew who know better all the switch
part.
Thanks,
Gregory
> Signed-off-by: Marek Behún <marek.behun@xxxxxx>
> Cc: Rob Herring <robh@xxxxxxxxxx>
> Cc: devicetree@xxxxxxxxxxxxxxx
> Cc: Gregory CLEMENT <gregory.clement@xxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/marvell/Makefile | 1 +
> .../dts/marvell/armada-3720-turris-mox.dts | 841 ++++++++++++++++++
> 2 files changed, 842 insertions(+)
> create mode 100644 arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts
>
> diff --git a/arch/arm64/boot/dts/marvell/Makefile b/arch/arm64/boot/dts/marvell/Makefile
> index caed4334f27d..243338c914a4 100644
> --- a/arch/arm64/boot/dts/marvell/Makefile
> +++ b/arch/arm64/boot/dts/marvell/Makefile
> @@ -2,6 +2,7 @@
> # Mvebu SoC Family
> dtb-$(CONFIG_ARCH_MVEBU) += armada-3720-db.dtb
> dtb-$(CONFIG_ARCH_MVEBU) += armada-3720-espressobin.dtb
> +dtb-$(CONFIG_ARCH_MVEBU) += armada-3720-turris-mox.dtb
> dtb-$(CONFIG_ARCH_MVEBU) += armada-3720-uDPU.dtb
> dtb-$(CONFIG_ARCH_MVEBU) += armada-7040-db.dtb
> dtb-$(CONFIG_ARCH_MVEBU) += armada-8040-clearfog-gt-8k.dtb
> diff --git a/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts b/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts
> new file mode 100644
> index 000000000000..32ed2bbdab27
> --- /dev/null
> +++ b/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts
> @@ -0,0 +1,841 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Device Tree file for CZ.NIC Turris Mox Board
> + * 2019 by Marek Behun <marek.behun@xxxxxx>
> + */
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/bus/moxtet.h>
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +#include "armada-372x.dtsi"
> +
> +/ {
> + model = "CZ.NIC Turris Mox Board";
> + compatible = "cznic,turris-mox", "marvell,armada3720",
> + "marvell,armada3710";
> +
> + aliases {
> + spi0 = &spi0;
> + ethernet1 = ð1;
> + };
> +
> + chosen {
> + stdout-path = "serial0:115200n8";
> + };
> +
> + memory@0 {
> + device_type = "memory";
> + reg = <0x00000000 0x00000000 0x00000000 0x20000000>;
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> + red {
> + gpios = <&gpiosb 21 GPIO_ACTIVE_LOW>;
> + linux,default-trigger = "default-on";
> + };
> + };
> +
> + gpio-keys {
> + compatible = "gpio-keys";
> +
> + reset {
> + label = "reset";
> + linux,code = <BTN_MISC>;
> + gpios = <&gpiosb 20 GPIO_ACTIVE_LOW>;
> + debounce-interval = <60>;
> + };
> + };
> +
> + exp_usb3_vbus: usb3-vbus {
> + compatible = "regulator-fixed";
> + regulator-name = "usb3-vbus";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + enable-active-high;
> + regulator-always-on;
> + gpio = <&gpiosb 0 GPIO_ACTIVE_HIGH>;
> + };
> +
> + usb3_phy: usb3-phy {
> + compatible = "usb-nop-xceiv";
> + vcc-supply = <&exp_usb3_vbus>;
> + };
> +
> + vsdc_reg: vsdc-reg {
> + compatible = "regulator-gpio";
> + regulator-name = "vsdc";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-boot-on;
> +
> + gpios = <&gpiosb 23 GPIO_ACTIVE_HIGH>;
> + gpios-states = <0>;
> + states = <1800000 0x1
> + 3300000 0x0>;
> + enable-active-high;
> + };
> +
> + vsdio_reg: vsdio-reg {
> + compatible = "regulator-gpio";
> + regulator-name = "vsdio";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-boot-on;
> +
> + gpios = <&gpiosb 22 GPIO_ACTIVE_HIGH>;
> + gpios-states = <0>;
> + states = <1800000 0x1
> + 3300000 0x0>;
> + enable-active-high;
> + };
> +
> + sdhci1_pwrseq: sdhci1-pwrseq {
> + compatible = "mmc-pwrseq-simple";
> + reset-gpios = <&gpionb 19 GPIO_ACTIVE_HIGH>;
> + status = "okay";
> + };
> +
> + sfp: sfp {
> + compatible = "sff,sfp+";
> + i2c-bus = <&i2c0>;
> + los-gpio = <&moxtet_sfp 0 GPIO_ACTIVE_HIGH>;
> + tx-fault-gpio = <&moxtet_sfp 1 GPIO_ACTIVE_HIGH>;
> + mod-def0-gpio = <&moxtet_sfp 2 GPIO_ACTIVE_LOW>;
> + tx-disable-gpio = <&moxtet_sfp 4 GPIO_ACTIVE_HIGH>;
> + rate-select0-gpio = <&moxtet_sfp 5 GPIO_ACTIVE_HIGH>;
> +
> + /* enabled by U-Boot if SFP module is present */
> + status = "disabled";
> + };
> +};
> +
> +&i2c0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&i2c1_pins>;
> + status = "okay";
> +
> + rtc@6f {
> + compatible = "microchip,mcp7940x";
> + reg = <0x6f>;
> + };
> +};
> +
> +&pcie_reset_pins {
> + function = "gpio";
> +};
> +
> +&pcie0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pcie_reset_pins &pcie_clkreq_pins>;
> + status = "okay";
> + max-link-speed = <2>;
> + reset-gpios = <&gpiosb 3 GPIO_ACTIVE_LOW>;
> + phys = <&comphy1 0>;
> +
> + /* enabled by U-Boot if PCIe module is present */
> + status = "disabled";
> +};
> +
> +&uart0 {
> + status = "okay";
> +};
> +
> +ð0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&rgmii_pins>;
> + phy-mode = "rgmii-id";
> + phy = <&phy1>;
> + status = "okay";
> +};
> +
> +ð1 {
> + phy-mode = "2500base-x";
> + managed = "in-band-status";
> + phys = <&comphy0 1>;
> +
> + /* enabled by U-Boot if switch or SFP module is present */
> + status = "disabled";
> +};
> +
> +&sdhci0 {
> + wp-inverted;
> + bus-width = <4>;
> + cd-gpios = <&gpionb 10 GPIO_ACTIVE_HIGH>;
> + vqmmc-supply = <&vsdc_reg>;
> + marvell,pad-type = "sd";
> + status = "okay";
> +};
> +
> +&sdhci1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&sdio_pins>;
> + non-removable;
> + bus-width = <4>;
> + marvell,pad-type = "sd";
> + vqmmc-supply = <&vsdio_reg>;
> + mmc-pwrseq = <&sdhci1_pwrseq>;
> + status = "okay";
> +};
> +
> +&spi0 {
> + status = "okay";
> + pinctrl-names = "default";
> + pinctrl-0 = <&spi_quad_pins &spi_cs1_pins>;
> + assigned-clocks = <&nb_periph_clk 7>;
> + assigned-clock-parents = <&tbg 1>;
> + assigned-clock-rates = <20000000>;
> +
> + spi-flash@0 {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + compatible = "jedec,spi-nor";
> + reg = <0>;
> + spi-max-frequency = <20000000>;
> +
> + partitions {
> + compatible = "fixed-partitions";
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + partition@0 {
> + label = "secure-firmware";
> + reg = <0x0 0x20000>;
> + };
> +
> + partition@20000 {
> + label = "u-boot";
> + reg = <0x20000 0x160000>;
> + };
> +
> + partition@180000 {
> + label = "u-boot-env";
> + reg = <0x180000 0x10000>;
> + };
> +
> + partition@190000 {
> + label = "Rescue system";
> + reg = <0x190000 0x660000>;
> + };
> +
> + partition@7f0000 {
> + label = "dtb";
> + reg = <0x7f0000 0x10000>;
> + };
> + };
> + };
> +
> + moxtet: moxtet@1 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + compatible = "cznic,moxtet";
> + reg = <1>;
> + reset-gpios = <&gpiosb 2 GPIO_ACTIVE_LOW>;
> + spi-max-frequency = <10000000>;
> + spi-cpol;
> + spi-cpha;
> + interrupt-controller;
> + #interrupt-cells = <1>;
> + interrupt-parent = <&gpiosb>;
> + interrupts = <5 IRQ_TYPE_EDGE_FALLING>;
> + status = "okay";
> +
> + moxtet_sfp: gpio@0 {
> + compatible = "cznic,moxtet-gpio";
> + gpio-controller;
> + #gpio-cells = <2>;
> + reg = <0>;
> + status = "disabled";
> + };
> + };
> +};
> +
> +&usb2 {
> + status = "okay";
> +};
> +
> +&usb3 {
> + status = "okay";
> + phys = <&comphy2 0>;
> + usb-phy = <&usb3_phy>;
> +};
> +
> +&mdio {
> + pinctrl-names = "default";
> + pinctrl-0 = <&smi_pins>;
> + status = "okay";
> +
> + phy1: ethernet-phy@1 {
> + reg = <1>;
> + };
> +
> + /* switch nodes are enabled by U-Boot if modules are present */
> + switch0@10 {
> + compatible = "marvell,mv88e6190";
> + reg = <0x10 0>;
> + dsa,member = <0 0>;
> + interrupt-parent = <&moxtet>;
> + interrupts = <MOXTET_IRQ_PERIDOT(0)>;
> + status = "disabled";
> +
> + mdio {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + switch0phy1: switch0phy1@1 {
> + reg = <0x1>;
> + };
> +
> + switch0phy2: switch0phy2@2 {
> + reg = <0x2>;
> + };
> +
> + switch0phy3: switch0phy3@3 {
> + reg = <0x3>;
> + };
> +
> + switch0phy4: switch0phy4@4 {
> + reg = <0x4>;
> + };
> +
> + switch0phy5: switch0phy5@5 {
> + reg = <0x5>;
> + };
> +
> + switch0phy6: switch0phy6@6 {
> + reg = <0x6>;
> + };
> +
> + switch0phy7: switch0phy7@7 {
> + reg = <0x7>;
> + };
> +
> + switch0phy8: switch0phy8@8 {
> + reg = <0x8>;
> + };
> + };
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@1 {
> + reg = <0x1>;
> + label = "lan1";
> + phy-handle = <&switch0phy1>;
> + };
> +
> + port@2 {
> + reg = <0x2>;
> + label = "lan2";
> + phy-handle = <&switch0phy2>;
> + };
> +
> + port@3 {
> + reg = <0x3>;
> + label = "lan3";
> + phy-handle = <&switch0phy3>;
> + };
> +
> + port@4 {
> + reg = <0x4>;
> + label = "lan4";
> + phy-handle = <&switch0phy4>;
> + };
> +
> + port@5 {
> + reg = <0x5>;
> + label = "lan5";
> + phy-handle = <&switch0phy5>;
> + };
> +
> + port@6 {
> + reg = <0x6>;
> + label = "lan6";
> + phy-handle = <&switch0phy6>;
> + };
> +
> + port@7 {
> + reg = <0x7>;
> + label = "lan7";
> + phy-handle = <&switch0phy7>;
> + };
> +
> + port@8 {
> + reg = <0x8>;
> + label = "lan8";
> + phy-handle = <&switch0phy8>;
> + };
> +
> + port@9 {
> + reg = <0x9>;
> + label = "cpu";
> + ethernet = <ð1>;
> + phy-mode = "2500base-x";
> + managed = "in-band-status";
> + };
> +
> + switch0port10: port@a {
> + reg = <0xa>;
> + label = "dsa";
> + phy-mode = "2500base-x";
> + managed = "in-band-status";
> + link = <&switch1port9 &switch2port9>;
> + status = "disabled";
> + };
> +
> + port-sfp@a {
> + reg = <0xa>;
> + label = "sfp";
> + sfp = <&sfp>;
> + phy-mode = "sgmii";
> + managed = "in-band-status";
> + status = "disabled";
> + };
> + };
> + };
> +
> + switch0@2 {
> + compatible = "marvell,mv88e6085";
> + reg = <0x2 0>;
> + dsa,member = <0 0>;
> + interrupt-parent = <&moxtet>;
> + interrupts = <MOXTET_IRQ_TOPAZ>;
> + status = "disabled";
> +
> + mdio {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + switch0phy1_topaz: switch0phy1@11 {
> + reg = <0x11>;
> + };
> +
> + switch0phy2_topaz: switch0phy2@12 {
> + reg = <0x12>;
> + };
> +
> + switch0phy3_topaz: switch0phy3@13 {
> + reg = <0x13>;
> + };
> +
> + switch0phy4_topaz: switch0phy4@14 {
> + reg = <0x14>;
> + };
> + };
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@1 {
> + reg = <0x1>;
> + label = "lan1";
> + phy-handle = <&switch0phy1_topaz>;
> + };
> +
> + port@2 {
> + reg = <0x2>;
> + label = "lan2";
> + phy-handle = <&switch0phy2_topaz>;
> + };
> +
> + port@3 {
> + reg = <0x3>;
> + label = "lan3";
> + phy-handle = <&switch0phy3_topaz>;
> + };
> +
> + port@4 {
> + reg = <0x4>;
> + label = "lan4";
> + phy-handle = <&switch0phy4_topaz>;
> + };
> +
> + port@5 {
> + reg = <0x5>;
> + label = "cpu";
> + phy-mode = "2500base-x";
> + managed = "in-band-status";
> + ethernet = <ð1>;
> + };
> + };
> + };
> +
> + switch1@11 {
> + compatible = "marvell,mv88e6190";
> + reg = <0x11 0>;
> + dsa,member = <0 1>;
> + interrupt-parent = <&moxtet>;
> + interrupts = <MOXTET_IRQ_PERIDOT(1)>;
> + status = "disabled";
> +
> + mdio {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + switch1phy1: switch1phy1@1 {
> + reg = <0x1>;
> + };
> +
> + switch1phy2: switch1phy2@2 {
> + reg = <0x2>;
> + };
> +
> + switch1phy3: switch1phy3@3 {
> + reg = <0x3>;
> + };
> +
> + switch1phy4: switch1phy4@4 {
> + reg = <0x4>;
> + };
> +
> + switch1phy5: switch1phy5@5 {
> + reg = <0x5>;
> + };
> +
> + switch1phy6: switch1phy6@6 {
> + reg = <0x6>;
> + };
> +
> + switch1phy7: switch1phy7@7 {
> + reg = <0x7>;
> + };
> +
> + switch1phy8: switch1phy8@8 {
> + reg = <0x8>;
> + };
> + };
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@1 {
> + reg = <0x1>;
> + label = "lan9";
> + phy-handle = <&switch1phy1>;
> + };
> +
> + port@2 {
> + reg = <0x2>;
> + label = "lan10";
> + phy-handle = <&switch1phy2>;
> + };
> +
> + port@3 {
> + reg = <0x3>;
> + label = "lan11";
> + phy-handle = <&switch1phy3>;
> + };
> +
> + port@4 {
> + reg = <0x4>;
> + label = "lan12";
> + phy-handle = <&switch1phy4>;
> + };
> +
> + port@5 {
> + reg = <0x5>;
> + label = "lan13";
> + phy-handle = <&switch1phy5>;
> + };
> +
> + port@6 {
> + reg = <0x6>;
> + label = "lan14";
> + phy-handle = <&switch1phy6>;
> + };
> +
> + port@7 {
> + reg = <0x7>;
> + label = "lan15";
> + phy-handle = <&switch1phy7>;
> + };
> +
> + port@8 {
> + reg = <0x8>;
> + label = "lan16";
> + phy-handle = <&switch1phy8>;
> + };
> +
> + switch1port9: port@9 {
> + reg = <0x9>;
> + label = "dsa";
> + phy-mode = "2500base-x";
> + managed = "in-band-status";
> + link = <&switch0port10>;
> + };
> +
> + switch1port10: port@a {
> + reg = <0xa>;
> + label = "dsa";
> + phy-mode = "2500base-x";
> + managed = "in-band-status";
> + link = <&switch2port9>;
> + status = "disabled";
> + };
> +
> + port-sfp@a {
> + reg = <0xa>;
> + label = "sfp";
> + sfp = <&sfp>;
> + phy-mode = "sgmii";
> + managed = "in-band-status";
> + status = "disabled";
> + };
> + };
> + };
> +
> + switch1@2 {
> + compatible = "marvell,mv88e6085";
> + reg = <0x2 0>;
> + dsa,member = <0 1>;
> + interrupt-parent = <&moxtet>;
> + interrupts = <MOXTET_IRQ_TOPAZ>;
> + status = "disabled";
> +
> + mdio {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + switch1phy1_topaz: switch1phy1@11 {
> + reg = <0x11>;
> + };
> +
> + switch1phy2_topaz: switch1phy2@12 {
> + reg = <0x12>;
> + };
> +
> + switch1phy3_topaz: switch1phy3@13 {
> + reg = <0x13>;
> + };
> +
> + switch1phy4_topaz: switch1phy4@14 {
> + reg = <0x14>;
> + };
> + };
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@1 {
> + reg = <0x1>;
> + label = "lan9";
> + phy-handle = <&switch1phy1_topaz>;
> + };
> +
> + port@2 {
> + reg = <0x2>;
> + label = "lan10";
> + phy-handle = <&switch1phy2_topaz>;
> + };
> +
> + port@3 {
> + reg = <0x3>;
> + label = "lan11";
> + phy-handle = <&switch1phy3_topaz>;
> + };
> +
> + port@4 {
> + reg = <0x4>;
> + label = "lan12";
> + phy-handle = <&switch1phy4_topaz>;
> + };
> +
> + port@5 {
> + reg = <0x5>;
> + label = "dsa";
> + phy-mode = "2500base-x";
> + managed = "in-band-status";
> + link = <&switch0port10>;
> + };
> + };
> + };
> +
> + switch2@12 {
> + compatible = "marvell,mv88e6190";
> + reg = <0x12 0>;
> + dsa,member = <0 2>;
> + interrupt-parent = <&moxtet>;
> + interrupts = <MOXTET_IRQ_PERIDOT(2)>;
> + status = "disabled";
> +
> + mdio {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + switch2phy1: switch2phy1@1 {
> + reg = <0x1>;
> + };
> +
> + switch2phy2: switch2phy2@2 {
> + reg = <0x2>;
> + };
> +
> + switch2phy3: switch2phy3@3 {
> + reg = <0x3>;
> + };
> +
> + switch2phy4: switch2phy4@4 {
> + reg = <0x4>;
> + };
> +
> + switch2phy5: switch2phy5@5 {
> + reg = <0x5>;
> + };
> +
> + switch2phy6: switch2phy6@6 {
> + reg = <0x6>;
> + };
> +
> + switch2phy7: switch2phy7@7 {
> + reg = <0x7>;
> + };
> +
> + switch2phy8: switch2phy8@8 {
> + reg = <0x8>;
> + };
> + };
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@1 {
> + reg = <0x1>;
> + label = "lan17";
> + phy-handle = <&switch2phy1>;
> + };
> +
> + port@2 {
> + reg = <0x2>;
> + label = "lan18";
> + phy-handle = <&switch2phy2>;
> + };
> +
> + port@3 {
> + reg = <0x3>;
> + label = "lan19";
> + phy-handle = <&switch2phy3>;
> + };
> +
> + port@4 {
> + reg = <0x4>;
> + label = "lan20";
> + phy-handle = <&switch2phy4>;
> + };
> +
> + port@5 {
> + reg = <0x5>;
> + label = "lan21";
> + phy-handle = <&switch2phy5>;
> + };
> +
> + port@6 {
> + reg = <0x6>;
> + label = "lan22";
> + phy-handle = <&switch2phy6>;
> + };
> +
> + port@7 {
> + reg = <0x7>;
> + label = "lan23";
> + phy-handle = <&switch2phy7>;
> + };
> +
> + port@8 {
> + reg = <0x8>;
> + label = "lan24";
> + phy-handle = <&switch2phy8>;
> + };
> +
> + switch2port9: port@9 {
> + reg = <0x9>;
> + label = "dsa";
> + phy-mode = "2500base-x";
> + managed = "in-band-status";
> + link = <&switch1port10 &switch0port10>;
> + };
> +
> + port-sfp@a {
> + reg = <0xa>;
> + label = "sfp";
> + sfp = <&sfp>;
> + phy-mode = "sgmii";
> + managed = "in-band-status";
> + status = "disabled";
> + };
> + };
> + };
> +
> + switch2@2 {
> + compatible = "marvell,mv88e6085";
> + reg = <0x2 0>;
> + dsa,member = <0 2>;
> + interrupt-parent = <&moxtet>;
> + interrupts = <MOXTET_IRQ_TOPAZ>;
> + status = "disabled";
> +
> + mdio {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + switch2phy1_topaz: switch2phy1@11 {
> + reg = <0x11>;
> + };
> +
> + switch2phy2_topaz: switch2phy2@12 {
> + reg = <0x12>;
> + };
> +
> + switch2phy3_topaz: switch2phy3@13 {
> + reg = <0x13>;
> + };
> +
> + switch2phy4_topaz: switch2phy4@14 {
> + reg = <0x14>;
> + };
> + };
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@1 {
> + reg = <0x1>;
> + label = "lan17";
> + phy-handle = <&switch2phy1_topaz>;
> + };
> +
> + port@2 {
> + reg = <0x2>;
> + label = "lan18";
> + phy-handle = <&switch2phy2_topaz>;
> + };
> +
> + port@3 {
> + reg = <0x3>;
> + label = "lan19";
> + phy-handle = <&switch2phy3_topaz>;
> + };
> +
> + port@4 {
> + reg = <0x4>;
> + label = "lan20";
> + phy-handle = <&switch2phy4_topaz>;
> + };
> +
> + port@5 {
> + reg = <0x5>;
> + label = "dsa";
> + phy-mode = "2500base-x";
> + managed = "in-band-status";
> + link = <&switch1port10 &switch0port10>;
> + };
> + };
> + };
> +};
> --
> 2.21.0
>
--
Gregory Clement, Bootlin
Embedded Linux and Kernel engineering
http://bootlin.com
