arch/arm/boot/dts/berlin2cd-google-chromecast.dts

   1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
   2 /*
   3  * Device Tree file for Google Chromecast
   4  *
   5  * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
   6  */
   7
   8 /dts-v1/;
   9
  10 #include "berlin2cd.dtsi"
  11 #include <dt-bindings/gpio/gpio.h>
  12
  13 / {
  14         model = "Google Chromecast";
  15         compatible = "google,chromecast", "marvell,berlin2cd", "marvell,berlin";
  16
  17         chosen {
  18                 bootargs = "earlyprintk";
  19                 stdout-path = "serial0:115200n8";
  20         };
  21
  22         memory@0 {
  23                 device_type = "memory";
  24
  25                 /*
  26                  * We're using "linux,usable-memory" instead of "reg" here
  27                  * because the (signed and encrypted) bootloader that shipped
  28                  * with this device provides an incorrect memory range in
  29                  * ATAG_MEM. Linux helpfully overrides the "reg" property with
  30                  * data from the ATAG, so we can't specify the proper range
  31                  * normally. Fortunately, this alternate property is checked
  32                  * first by the OF driver, so we can (ab)use it instead.
  33                  */
  34                 linux,usable-memory = <0x00000000 0x20000000>; /* 512 MB */
  35         };
  36
  37         leds {
  38                 compatible = "pwm-leds";
  39                 pinctrl-0 = <&ledpwm_pmux>;
  40                 pinctrl-names = "default";
  41
  42                 white {
  43                         label = "white";
  44                         pwms = <&pwm 0 600000 0>;
  45                         max-brightness = <255>;
  46                         linux,default-trigger = "default-on";
  47                 };
  48
  49                 red {
  50                         label = "red";
  51                         pwms = <&pwm 1 600000 0>;
  52                         max-brightness = <255>;
  53                 };
  54         };
  55 };
  56
  57 /*
  58  * AzureWave AW-NH387 (Marvell 88W8787)
  59  * 802.11b/g/n + Bluetooth 2.1
  60  */
  61 &sdhci0 {
  62         non-removable;
  63         status = "okay";
  64 };
  65
  66 &uart0 { status = "okay"; };
  67
  68 &usb_phy1 { status = "okay"; };
  69
  70 &usb1 { status = "okay"; };
  71
  72 &soc_pinctrl {
  73         ledpwm_pmux: ledpwm-pmux {
  74                 groups = "G0";
  75                 function = "pwm";
  76         };
  77 };