FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/src/arm/berlin2cd-google-chromecast.dts

     // SPDX-License-Identifier: (GPL-2.0 OR MIT)
     /*
      * Device Tree file for Google Chromecast
      *
      * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
      */
     
     /dts-v1/;
     
    #include "berlin2cd.dtsi"
    #include <dt-bindings/gpio/gpio.h>
    
    / {
            model = "Google Chromecast";
            compatible = "google,chromecast", "marvell,berlin2cd", "marvell,berlin";
    
            chosen {
                    bootargs = "earlyprintk";
                    stdout-path = "serial0:115200n8";
            };
    
            memory@0 {
                    device_type = "memory";
    
                    /*
                     * We're using "linux,usable-memory" instead of "reg" here
                     * because the (signed and encrypted) bootloader that shipped
                     * with this device provides an incorrect memory range in
                     * ATAG_MEM. Linux helpfully overrides the "reg" property with
                     * data from the ATAG, so we can't specify the proper range
                     * normally. Fortunately, this alternate property is checked
                     * first by the OF driver, so we can (ab)use it instead.
                     */
                    linux,usable-memory = <0x00000000 0x20000000>; /* 512 MB */
            };
    
            led-controller {
                    compatible = "pwm-leds";
                    pinctrl-0 = <&ledpwm_pmux>;
                    pinctrl-names = "default";
    
                    led-1 {
                            label = "white";
                            pwms = <&pwm 0 600000 0>;
                            max-brightness = <255>;
                            linux,default-trigger = "default-on";
                    };
    
                    led-2 {
                            label = "red";
                            pwms = <&pwm 1 600000 0>;
                            max-brightness = <255>;
                    };
            };
    };
    
    /*
     * AzureWave AW-NH387 (Marvell 88W8787)
     * 802.11b/g/n + Bluetooth 2.1
     */
    &sdhci0 {
            non-removable;
            status = "okay";
    };
    
    &uart0 { status = "okay"; };
    
    &usb_phy1 { status = "okay"; };
    
    &usb1 { status = "okay"; };
    
    &soc_pinctrl {
            ledpwm_pmux: ledpwm-pmux {
                    groups = "G0";
                    function = "pwm";
            };
    };

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