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add support for Raspberry Pi Zero W

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Signed-off-by: Dmitry Korunov <dessel.k@gmail.com>
This commit is contained in:
Dmitry Korunov 2017-11-26 13:38:53 +04:00 committed by Tom Rini
parent 0aac10f2f9
commit 8993056fb3
5 changed files with 76 additions and 1 deletions
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26
arch/arm/dts/bcm2835-rpi-zero-w.dts Normal file
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@ -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>;
};

16
arch/arm/mach-bcm283x/Kconfig
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@ -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

5
board/raspberrypi/rpi/rpi.c
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@ -105,6 +105,11 @@ static const struct rpi_model rpi_models_new_scheme[] = {
DTB_DIR "bcm2835-rpi-zero.dtb",
false,
},
[0xC] = {
"Zero W",
DTB_DIR "bcm2835-rpi-zero-w.dtb",
false,
},
};
static const struct rpi_model rpi_models_old_scheme[] = {

28
configs/rpi_0_w_defconfig Normal file
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@ -0,0 +1,28 @@
CONFIG_ARM=y
CONFIG_ARCH_BCM283X=y
CONFIG_TARGET_RPI_0_W=y
CONFIG_DEFAULT_DEVICE_TREE="bcm2835-rpi-zero-w"
CONFIG_DISTRO_DEFAULTS=y
CONFIG_OF_BOARD_SETUP=y
# CONFIG_DISPLAY_CPUINFO is not set
# CONFIG_DISPLAY_BOARDINFO is not set
CONFIG_SYS_PROMPT="U-Boot> "
# CONFIG_CMD_IMLS is not set
# CONFIG_CMD_FLASH is not set
CONFIG_CMD_MMC=y
CONFIG_CMD_USB=y
# CONFIG_CMD_FPGA is not set
CONFIG_CMD_GPIO=y
CONFIG_DM_MMC=y
CONFIG_MMC_SDHCI=y
CONFIG_MMC_SDHCI_BCM2835=y
CONFIG_DM_ETH=y
CONFIG_USB=y
CONFIG_DM_USB=y
CONFIG_USB_STORAGE=y
CONFIG_USB_KEYBOARD=y
CONFIG_DM_VIDEO=y
CONFIG_SYS_WHITE_ON_BLACK=y
CONFIG_CONSOLE_SCROLL_LINES=10
CONFIG_PHYS_TO_BUS=y
CONFIG_OF_LIBFDT_OVERLAY=y

2
include/configs/rpi.h
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@ -76,7 +76,7 @@
#endif
/* Console UART */
#ifdef CONFIG_BCM2837
#if defined (CONFIG_BCM2837) || defined(CONFIG_TARGET_RPI_0_W)
#define CONFIG_BCM283X_MU_SERIAL
#else
#define CONFIG_PL01X_SERIAL