diff options
author | Stefan Wahren <stefan.wahren@i2se.com> | 2016-08-21 18:10:03 +0300 |
---|---|---|
committer | Eric Anholt <eric@anholt.net> | 2016-08-24 23:33:19 +0300 |
commit | c8336249c1eeca288919e3286f7dd03ae1d8ceae (patch) | |
tree | 3eebda977177ec01bf7149f40de43f3ffb2688ac | |
parent | 33fdf6fd764ed7deea87094f30d7d3dc76e154de (diff) | |
download | linux-c8336249c1eeca288919e3286f7dd03ae1d8ceae.tar.xz |
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>
-rw-r--r-- | arch/arm/boot/dts/Makefile | 3 | ||||
-rw-r--r-- | arch/arm/boot/dts/bcm2835-rpi-zero.dts | 40 |
2 files changed, 42 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index faacd52370d2..6576e3f000c9 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -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 \ diff --git a/arch/arm/boot/dts/bcm2835-rpi-zero.dts b/arch/arm/boot/dts/bcm2835-rpi-zero.dts new file mode 100644 index 000000000000..60e359fafc5b --- /dev/null +++ b/arch/arm/boot/dts/bcm2835-rpi-zero.dts @@ -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>; +}; |