| // 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 "bcm283x-rpi-usb-otg.dtsi" | |
| / { | |
| compatible = "raspberrypi,model-zero", "brcm,bcm2835"; | |
| model = "Raspberry Pi Zero"; | |
| memory@0 { | |
| device_type = "memory"; | |
| reg = <0 0x20000000>; | |
| }; | |
| leds { | |
| led-act { | |
| gpios = <&gpio 47 GPIO_ACTIVE_HIGH>; | |
| }; | |
| }; | |
| }; | |
| &gpio { | |
| /* | |
| * This is based on the official GPU firmware DT blob. | |
| * | |
| * Legend: | |
| * "NC" = not connected (no rail from the SoC) | |
| * "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", | |
| "NC", /* GPIO30 */ | |
| "NC", /* GPIO31 */ | |
| "CAM_GPIO1", /* GPIO32 */ | |
| "NC", /* GPIO33 */ | |
| "NC", /* GPIO34 */ | |
| "NC", /* GPIO35 */ | |
| "NC", /* GPIO36 */ | |
| "NC", /* GPIO37 */ | |
| "NC", /* GPIO38 */ | |
| "NC", /* GPIO39 */ | |
| "NC", /* GPIO40 */ | |
| "CAM_GPIO0", /* GPIO41 */ | |
| "NC", /* GPIO42 */ | |
| "NC", /* GPIO43 */ | |
| "NC", /* GPIO44 */ | |
| "NC", /* 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-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"; | |
| }; | |
| &sdhost { | |
| pinctrl-names = "default"; | |
| pinctrl-0 = <&sdhost_gpio48>; | |
| bus-width = <4>; | |
| status = "okay"; | |
| }; | |
| &uart0 { | |
| pinctrl-names = "default"; | |
| pinctrl-0 = <&uart0_gpio14>; | |
| status = "okay"; | |
| }; |