--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-or-later
+/dts-v1/;
+
+#include "rtl838x.dtsi"
+
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+ compatible = "zyxel,gs1900-10hp", "realtek,rtl838x-soc";
+ model = "Zyxel GS1900-10HP Switch";
+
+ aliases {
+ led-boot = &led_sys;
+ led-failsafe = &led_sys;
+ led-running = &led_sys;
+ led-upgrade = &led_sys;
+ };
+
+ chosen {
+ bootargs = "console=ttyS0,115200";
+ };
+
+ gpio1: rtl8231-gpio {
+ status = "okay";
+
+ poe_enable {
+ gpio-hog;
+ gpios = <13 0>;
+ output-high;
+ };
+ };
+
+ keys {
+ compatible = "gpio-keys-polled";
+ poll-interval = <20>;
+
+ reset {
+ label = "reset";
+ gpios = <&gpio1 3 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_RESTART>;
+ };
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ led_sys: sys {
+ label = "gs1900:green:sys";
+ gpios = <&gpio0 47 GPIO_ACTIVE_HIGH>;
+ };
+ };
+
+ /* i2c of the left SFP cage: port 9 */
+ i2c0: i2c-gpio-0 {
+ compatible = "i2c-gpio";
+ sda-gpios = <&gpio1 24 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+ scl-gpios = <&gpio1 25 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+ i2c-gpio,delay-us = <2>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ sfp0: sfp-p9 {
+ compatible = "_sff,sfp";
+ i2c-bus = <&i2c0>;
+ los-gpio = <&gpio1 27 GPIO_ACTIVE_HIGH>;
+ tx-fault-gpio = <&gpio1 22 GPIO_ACTIVE_HIGH>;
+ mod-def0-gpio = <&gpio1 26 GPIO_ACTIVE_LOW>;
+ tx-disable-gpio = <&gpio1 23 GPIO_ACTIVE_HIGH>;
+ };
+
+ /* i2c of the right SFP cage: port 10 */
+ i2c1: i2c-gpio-1 {
+ compatible = "i2c-gpio";
+ sda-gpios = <&gpio1 30 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+ scl-gpios = <&gpio1 31 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+ i2c-gpio,delay-us = <2>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ sfp1: sfp-p10 {
+ compatible = "_sff,sfp";
+ i2c-bus = <&i2c1>;
+ los-gpio = <&gpio1 33 GPIO_ACTIVE_HIGH>;
+ tx-fault-gpio = <&gpio1 28 GPIO_ACTIVE_HIGH>;
+ mod-def0-gpio = <&gpio1 32 GPIO_ACTIVE_LOW>;
+ tx-disable-gpio = <&gpio1 29 GPIO_ACTIVE_HIGH>;
+ };
+
+};
+
+&spi0 {
+ status = "okay";
+ flash@0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <10000000>;
+
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ label = "u-boot";
+ reg = <0x0 0x40000>;
+ read-only;
+ };
+ partition@40000 {
+ label = "u-boot-env";
+ reg = <0x40000 0x10000>;
+ read-only;
+ };
+ partition@50000 {
+ label = "u-boot-env2";
+ reg = <0x50000 0x10000>;
+ read-only;
+ };
+ partition@60000 {
+ label = "jffs";
+ reg = <0x60000 0x100000>;
+ };
+ partition@160000 {
+ label = "jffs2";
+ reg = <0x160000 0x100000>;
+ };
+ partition@b260000 {
+ label = "firmware";
+ reg = <0x260000 0x6d0000>;
+ compatible = "denx,uimage";
+ };
+ partition@930000 {
+ label = "runtime2";
+ reg = <0x930000 0x6d0000>;
+ };
+ };
+ };
+};
+
+ðernet0 {
+ mdio: mdio-bus {
+ compatible = "realtek,rtl838x-mdio";
+ regmap = <ðernet0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ /* Internal phy */
+ phy8: ethernet-phy@8 {
+ reg = <8>;
+ compatible = "ethernet-phy-ieee802.3-c22";
+ };
+ phy9: ethernet-phy@9 {
+ reg = <9>;
+ compatible = "ethernet-phy-ieee802.3-c22";
+ };
+ phy10: ethernet-phy@10 {
+ reg = <10>;
+ compatible = "ethernet-phy-ieee802.3-c22";
+ };
+ phy11: ethernet-phy@11 {
+ reg = <11>;
+ compatible = "ethernet-phy-ieee802.3-c22";
+ };
+ phy12: ethernet-phy@12 {
+ reg = <12>;
+ compatible = "ethernet-phy-ieee802.3-c22";
+ };
+ phy13: ethernet-phy@13 {
+ reg = <13>;
+ compatible = "ethernet-phy-ieee802.3-c22";
+ };
+ phy14: ethernet-phy@14 {
+ reg = <14>;
+ compatible = "ethernet-phy-ieee802.3-c22";
+ };
+ phy15: ethernet-phy@15 {
+ reg = <15>;
+ compatible = "ethernet-phy-ieee802.3-c22";
+ };
+ phy24: ethernet-phy@24 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <24>;
+ };
+ phy26: ethernet-phy@26 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <26>;
+ };
+ };
+};
+
+&switch0 {
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <8>;
+ label = "lan1";
+ phy-handle = <&phy8>;
+ phy-mode = "internal";
+ };
+ port@1 {
+ reg = <9>;
+ label = "lan2";
+ phy-handle = <&phy9>;
+ phy-mode = "internal";
+ };
+ port@2 {
+ reg = <10>;
+ label = "lan3";
+ phy-handle = <&phy10>;
+ phy-mode = "internal";
+ };
+ port@3 {
+ reg = <11>;
+ label = "lan4";
+ phy-handle = <&phy11>;
+ phy-mode = "internal";
+ };
+ port@4 {
+ reg = <12>;
+ label = "lan5";
+ phy-handle = <&phy12>;
+ phy-mode = "internal";
+ };
+ port@5 {
+ reg = <13>;
+ label = "lan6";
+ phy-handle = <&phy13>;
+ phy-mode = "internal";
+ };
+ port@6 {
+ reg = <14>;
+ label = "lan7";
+ phy-handle = <&phy14>;
+ phy-mode = "internal";
+ };
+ port@7 {
+ reg = <15>;
+ label = "lan8";
+ phy-handle = <&phy15>;
+ phy-mode = "internal";
+ };
+ port@24 {
+ reg = <24>;
+ label = "lan9";
+ phy-mode = "rgmii-id";
+ phy-handle = <&phy24>;
+ sfp = <&sfp0>;
+
+ fixed-link {
+ speed = <1000>;
+ full-duplex;
+ pause;
+ };
+ };
+ port@26 {
+ reg = <26>;
+ label = "lan10";
+ phy-mode = "rgmii-id";
+ phy-handle = <&phy26>;
+ sfp = <&sfp1>;
+
+ fixed-link {
+ speed = <1000>;
+ full-duplex;
+ pause;
+ };
+ };
+ port@28 {
+ ethernet = <ðernet0>;
+ reg = <28>;
+ phy-mode = "internal";
+ fixed-link {
+ speed = <1000>;
+ full-duplex;
+ };
+ };
+ };
+};