OpenWrt – Rev 1

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/dts-v1/;

#include "mt7620n.dtsi"

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>

/ {
        compatible = "dlink,dwr-921-c1", "ralink,mt7620n-soc";
        model = "D-Link DWR-921 C1";

        aliases {
                led-boot = &led_sstrenghg;
                led-failsafe = &led_sstrenghg;
        };

        keys {
                compatible = "gpio-keys-polled";
                poll-interval = <20>;

                wps {
                        label = "wps";
                        gpios = <&gpio0 2 GPIO_ACTIVE_LOW>;
                        linux,code = <KEY_WPS_BUTTON>;
                };

                reset {
                        label = "reset";
                        gpios = <&gpio0 1 GPIO_ACTIVE_LOW>;
                        linux,code = <KEY_RESTART>;
                };
        };

        leds {
                compatible = "gpio-leds";

                sms {
                        label = "dwr-921-c1:green:sms";
                        gpios = <&gpio1 14 GPIO_ACTIVE_LOW>;
                };

                lan {
                        label = "dwr-921-c1:green:lan";
                        gpios = <&gpio1 15 GPIO_ACTIVE_HIGH>;
                };

                led_sstrenghg: sstrengthg {
                        label = "dwr-921-c1:green:sigstrength";
                        gpios = <&gpio2 0 GPIO_ACTIVE_LOW>;
                };

                sstrengthr {
                        label = "dwr-921-c1:red:sigstrength";
                        gpios = <&gpio2 1 GPIO_ACTIVE_LOW>;
                };

                4g {
                        label = "dwr-921-c1:green:4g";
                        gpios = <&gpio2 2 GPIO_ACTIVE_LOW>;
                };

                3g {
                        label = "dwr-921-c1:green:3g";
                        gpios = <&gpio2 3 GPIO_ACTIVE_LOW>;
                };

                wifi {
                        label = "dwr-921-c1:green:wifi";
                        gpios = <&gpio3 0 GPIO_ACTIVE_LOW>;
                };
        };

        gpio_export {
                compatible = "gpio-export";
                #size-cells = <0>;

                lte_modem_enable {
                        gpio-export,name = "lte_modem_enable";
                        gpio-export,output = <1>;
                        gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>;
                };
        };
};

&gpio1 {
        status = "okay";
};

&gpio2 {
        status = "okay";
};

&gpio3 {
        status = "okay";
};

&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 = "jboot";
                                reg = <0x0 0x10000>;
                                read-only;
                        };

                        partition@10000 {
                                compatible = "amit,jimage";
                                label = "firmware";
                                reg = <0x10000 0xfe0000>;
                        };

                        config: partition@ff0000 {
                                label = "config";
                                reg = <0xff0000 0x10000>;
                                read-only;
                        };
                };
        };
};

&ehci {
        status = "okay";
};

&ohci {
        status = "okay";
};

&ethernet {
        port@4 {
                status = "okay";
        };
};

&pinctrl {
        state_default: pinctrl0 {
                default {
                        ralink,group = "spi refclk", "i2c", "ephy", "wled";
                        ralink,function = "gpio";
                };
        };
};