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ARM: dts: bcm2835: Add Raspberry Pi Zero 

The Raspberry Pi Zero is a minified version of model A+. It's
notable there is no PWR LED and the ACT LED is inverted.
Additionally the Pi Zero is capable of the USB peripheral mode.

Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
hifive-unleashed-5.1
Stefan Wahren 2016-08-21 15:10:03 +00:00 committed by Eric Anholt
parent 33fdf6fd76
commit c8336249c1
2 changed files with 42 additions and 1 deletions
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3
arch/arm/boot/dts/Makefile
View File

@ -69,7 +69,8 @@ dtb-$(CONFIG_ARCH_BCM2835) += \
bcm2835-rpi-b-rev2.dtb \
bcm2835-rpi-b-plus.dtb \
bcm2835-rpi-a-plus.dtb \
bcm2836-rpi-2-b.dtb
bcm2836-rpi-2-b.dtb \
bcm2835-rpi-zero.dtb
dtb-$(CONFIG_ARCH_BCM_5301X) += \
bcm4708-asus-rt-ac56u.dtb \
bcm4708-asus-rt-ac68u.dtb \

40
arch/arm/boot/dts/bcm2835-rpi-zero.dts 100644
View File

@ -0,0 +1,40 @@
/*
* Copyright (C) 2016 Stefan Wahren <stefan.wahren@i2se.com>
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
/dts-v1/;
#include "bcm2835.dtsi"
#include "bcm2835-rpi.dtsi"
#include "bcm283x-rpi-usb-host.dtsi"
/ {
compatible = "raspberrypi,model-zero", "brcm,bcm2835";
model = "Raspberry Pi Zero";
leds {
act {
gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
};
};
};
&gpio {
pinctrl-0 = <&gpioout &alt0 &i2s_alt0 &alt3>;
/* I2S interface */
i2s_alt0: i2s_alt0 {
brcm,pins = <18 19 20 21>;
brcm,function = <BCM2835_FSEL_ALT0>;
};
};
&hdmi {
hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
};