freebsd-dev/sys/gnu/dts/arm/berlin2cd-google-chromecast.dts
2018-08-13 06:40:20 +00:00

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// 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 */
};
leds {
compatible = "pwm-leds";
pinctrl-0 = <&ledpwm_pmux>;
pinctrl-names = "default";
white {
label = "white";
pwms = <&pwm 0 600000 0>;
max-brightness = <255>;
linux,default-trigger = "default-on";
};
red {
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";
};
};