diff options
Diffstat (limited to 'arch/arm/boot/dts/broadcom/bcm2835-rpi-zero.dts')
-rw-r--r-- | arch/arm/boot/dts/broadcom/bcm2835-rpi-zero.dts | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/broadcom/bcm2835-rpi-zero.dts b/arch/arm/boot/dts/broadcom/bcm2835-rpi-zero.dts new file mode 100644 index 0000000000..539c19c109 --- /dev/null +++ b/arch/arm/boot/dts/broadcom/bcm2835-rpi-zero.dts @@ -0,0 +1,119 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2016 Stefan Wahren <stefan.wahren@i2se.com> + */ + +/dts-v1/; +#include "bcm2835.dtsi" +#include "bcm2835-rpi.dtsi" +#include "bcm2835-rpi-common.dtsi" +#include "bcm283x-rpi-led-deprecated.dtsi" +#include "bcm283x-rpi-usb-otg.dtsi" + +/ { + compatible = "raspberrypi,model-zero", "brcm,bcm2835"; + model = "Raspberry Pi Zero"; + + memory@0 { + device_type = "memory"; + reg = <0 0x20000000>; + }; +}; + +&gpio { + /* + * This is based on the official GPU firmware DT blob. + * + * Legend: + * "FOO" = GPIO line named "FOO" on the schematic + * "FOO_N" = GPIO line named "FOO" on schematic, active low + */ + gpio-line-names = "ID_SDA", + "ID_SCL", + "SDA1", + "SCL1", + "GPIO_GCLK", + "GPIO5", + "GPIO6", + "SPI_CE1_N", + "SPI_CE0_N", + "SPI_MISO", + "SPI_MOSI", + "SPI_SCLK", + "GPIO12", + "GPIO13", + /* Serial port */ + "TXD0", + "RXD0", + "GPIO16", + "GPIO17", + "GPIO18", + "GPIO19", + "GPIO20", + "GPIO21", + "GPIO22", + "GPIO23", + "GPIO24", + "GPIO25", + "GPIO26", + "GPIO27", + "SDA0", + "SCL0", + "", /* GPIO30 */ + "", /* GPIO31 */ + "CAM_GPIO1", /* GPIO32 */ + "", /* GPIO33 */ + "", /* GPIO34 */ + "", /* GPIO35 */ + "", /* GPIO36 */ + "", /* GPIO37 */ + "", /* GPIO38 */ + "", /* GPIO39 */ + "", /* GPIO40 */ + "CAM_GPIO0", /* GPIO41 */ + "", /* GPIO42 */ + "", /* GPIO43 */ + "", /* GPIO44 */ + "", /* GPIO45 */ + "HDMI_HPD_N", + "STATUS_LED_N", + /* Used by SD Card */ + "SD_CLK_R", + "SD_CMD_R", + "SD_DATA0_R", + "SD_DATA1_R", + "SD_DATA2_R", + "SD_DATA3_R"; + + pinctrl-names = "default"; + pinctrl-0 = <&gpioout &alt0 &i2s_alt0>; + + /* 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>; + power-domains = <&power RPI_POWER_DOMAIN_HDMI>; + status = "okay"; +}; + +&led_act { + gpios = <&gpio 47 GPIO_ACTIVE_HIGH>; +}; + +&sdhost { + pinctrl-names = "default"; + pinctrl-0 = <&sdhost_gpio48>; + bus-width = <4>; + status = "okay"; +}; + +&uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0_gpio14>; + status = "okay"; +}; |