From 8993056fb3d4af4f0cd078df20130d4e7c35c2f7 Mon Sep 17 00:00:00 2001 From: Dmitry Korunov Date: Sun, 26 Nov 2017 13:38:53 +0400 Subject: add support for Raspberry Pi Zero W Signed-off-by: Dmitry Korunov --- arch/arm/dts/bcm2835-rpi-zero-w.dts | 26 ++++++++++++++++++++++++++ arch/arm/mach-bcm283x/Kconfig | 16 ++++++++++++++++ 2 files changed, 42 insertions(+) create mode 100644 arch/arm/dts/bcm2835-rpi-zero-w.dts (limited to 'arch') diff --git a/arch/arm/dts/bcm2835-rpi-zero-w.dts b/arch/arm/dts/bcm2835-rpi-zero-w.dts new file mode 100644 index 00000000000..78170547752 --- /dev/null +++ b/arch/arm/dts/bcm2835-rpi-zero-w.dts @@ -0,0 +1,26 @@ +/dts-v1/; +#include "bcm2835.dtsi" +#include "bcm2835-rpi.dtsi" +#include "bcm283x-rpi-smsc9512.dtsi" +#include "bcm283x-rpi-usb-host.dtsi" + +/ { + compatible = "raspberrypi,model-zero-w", "brcm,bcm2835"; + model = "Raspberry Pi Zero W"; + + leds { + act { + gpios = <&gpio 47 0>; + }; + }; +}; + +&uart1 { + pinctrl-names = "default"; + pinctrl-0 = <&uart1_gpio14>; + status = "okay"; +}; + +&hdmi { + hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>; +}; diff --git a/arch/arm/mach-bcm283x/Kconfig b/arch/arm/mach-bcm283x/Kconfig index 69f7a4663cf..a78239d63e4 100644 --- a/arch/arm/mach-bcm283x/Kconfig +++ b/arch/arm/mach-bcm283x/Kconfig @@ -44,6 +44,22 @@ config TARGET_RPI This option creates a build targetting the ARM1176 ISA. select BCM2835 +config TARGET_RPI_0_W + bool "Raspberry Pi Zero W" + help + Support for all ARM1176-/BCM2835-based Raspberry Pi variants, such as + the RPi Zero model W. + + This option assumes the VideoCore firmware is configured to use the + mini UART (rather than PL011) for the serial console. This is the + default on the RPi Zero W. To enable the UART console, the following + non-default option must be present in config.txt: enable_uart=1. + This is required for U-Boot to operate correctly, even if you only + care about the HDMI/usbkbd console. + + This option creates a build targetting the ARMv7/AArch32 ISA. + select BCM2835 + config TARGET_RPI_2 bool "Raspberry Pi 2" help -- cgit v1.3.1