OpenWrt – Rev 4

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/dts-v1/;

#include "mt7620a.dtsi"

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

/ {
        compatible = "dlink,dch-m225", "ralink,mt7620a-soc";
        model = "D-Link DCH-M225";

        gpio-keys-polled {
                compatible = "gpio-keys-polled";
                #address-cells = <1>;
                #size-cells = <0>;
                poll-interval = <100>;

                wps {
                        label = "wps";
                        gpios = <&gpio0 11 GPIO_ACTIVE_LOW>;
                        linux,code = <KEY_RFKILL>;
                };

                reset {
                        label = "reset";
                        gpios = <&gpio1 2 GPIO_ACTIVE_LOW>;
                        linux,code = <KEY_RESTART>;
                };
        };

        gpio-leds {
                compatible = "gpio-leds";

                power {
                        label = "dch-m225:green:power";
                        gpios = <&gpio1 5 GPIO_ACTIVE_LOW>;
                };

                status {
                        label = "dch-m225:red:status";
                        gpios = <&gpio1 0 GPIO_ACTIVE_LOW>;
                };
        };

        sound {
                compatible = "simple-audio-card";
                simple-audio-card,name = "Audio-I2S";
                simple-audio-card,format = "i2s";
                simple-audio-card,bitclock-master = <&dailink0_master>;
                simple-audio-card,frame-master = <&dailink0_master>;
                simple-audio-card,widgets =
                        "Headphone", "Headphones";
                simple-audio-card,routing =
                        "Headphones", "HP_L",
                        "Headphones", "HP_R";
                simple-audio-card,mclk-fs = <256>;
                simple-audio-card,hp-det-gpio = <&gpio0 14 GPIO_ACTIVE_LOW>;

                simple-audio-card,cpu {
                        sound-dai = <&i2s>;
                };

                dailink0_master: simple-audio-card,codec {
                        sound-dai = <&codec>;
                };
        };
};

&gpio0 {
        status = "okay";
};

&gpio1 {
        status = "okay";
};

&i2c {
        status = "okay";

        codec: wm8960@1a {
                #sound-dai-cells = <0>;
                compatible = "wlf,wm8960";
                reg = <0x1a>;

                wlf,shared-lrclk;
        };
};

&i2s {
        #sound-dai-cells = <0>;
        status = "okay";
        pinctrl-names = "default";
        pinctrl-0 = <&mdio_refclk_pins>;
};

&spi0 {
        status = "okay";

        m25p80@0 {
                #address-cells = <1>;
                #size-cells = <1>;
                compatible = "jedec,spi-nor";
                reg = <0>;
                spi-max-frequency = <80000000>;
                m25p,fast-read;

                partition@0 {
                        label = "u-boot";
                        reg = <0x0 0x30000>;
                        read-only;
                };

                partition@30000 {
                        label = "u-boot-env";
                        reg = <0x30000 0x4000>;
                        read-only;
                };

                factory: partition@34000 {
                        label = "factory";
                        reg = <0x34000 0x4000>;
                        read-only;
                };

                nvram: partition@38000 {
                        label = "nvram";
                        reg = <0x38000 0x8000>;
                        read-only;
                };

                partition@40000 {
                        label = "devconf";
                        reg = <0x40000 0x10000>;
                        read-only;
                };

                partition@50000 {
                        label = "upgrade_rec";
                        reg = <0x50000 0x100000>;
                        read-only;
                };

                partition@150000 {
                        label = "firmware";
                        reg = <0x150000 0x6b0000>;
                };
        };
};

&gdma {
        status = "okay";
};

&pinctrl {
        state_default: pinctrl0 {
                gpio {
                        ralink,group = "wdt", "rgmii1";
                        ralink,function = "gpio";
                };

                gpio_i2s {
                        ralink,group = "uartf";
                        ralink,function = "gpio i2s";
                };
        };
};

&ethernet {
        mtd-mac-address = <&factory 0x4>;
};

&gsw {
        ralink,port4 = "ephy";
};

&wmac {
        ralink,mtd-eeprom = <&factory 0>;
        pinctrl-names = "default";
        pinctrl-0 = <&pa_pins>;
};