diff options
Diffstat (limited to 'arch/arm/dts/bcm2835-rpi-zero-w.dts')
| -rw-r--r-- | arch/arm/dts/bcm2835-rpi-zero-w.dts | 123 |
1 files changed, 116 insertions, 7 deletions
diff --git a/arch/arm/dts/bcm2835-rpi-zero-w.dts b/arch/arm/dts/bcm2835-rpi-zero-w.dts index 7817054775..ba0167df6c 100644 --- a/arch/arm/dts/bcm2835-rpi-zero-w.dts +++ b/arch/arm/dts/bcm2835-rpi-zero-w.dts @@ -1,26 +1,135 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2017 Stefan Wahren <stefan.wahren@i2se.com> + */ + /dts-v1/; #include "bcm2835.dtsi" #include "bcm2835-rpi.dtsi" -#include "bcm283x-rpi-smsc9512.dtsi" -#include "bcm283x-rpi-usb-host.dtsi" +#include "bcm283x-rpi-usb-otg.dtsi" / { compatible = "raspberrypi,model-zero-w", "brcm,bcm2835"; model = "Raspberry Pi Zero W"; + chosen { + /* 8250 auxiliary UART instead of pl011 */ + stdout-path = "serial1:115200n8"; + }; + leds { act { - gpios = <&gpio 47 0>; + gpios = <&gpio 47 GPIO_ACTIVE_HIGH>; }; }; + + wifi_pwrseq: wifi-pwrseq { + compatible = "mmc-pwrseq-simple"; + reset-gpios = <&gpio 41 GPIO_ACTIVE_LOW>; + }; }; -&uart1 { - pinctrl-names = "default"; - pinctrl-0 = <&uart1_gpio14>; - status = "okay"; +&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 */ + "NC", /* GPIO32 */ + "NC", /* GPIO33 */ + "NC", /* GPIO34 */ + "NC", /* GPIO35 */ + "NC", /* GPIO36 */ + "NC", /* GPIO37 */ + "NC", /* GPIO38 */ + "NC", /* GPIO39 */ + "CAM_GPIO1", /* GPIO40 */ + "WL_ON", /* GPIO41 */ + "NC", /* GPIO42 */ + "WIFI_CLK", /* GPIO43 */ + "CAM_GPIO0", /* GPIO44 */ + "BT_ON", /* 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>; }; &hdmi { hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>; }; + +&sdhci { + #address-cells = <1>; + #size-cells = <0>; + pinctrl-0 = <&emmc_gpio34 &gpclk2_gpio43>; + mmc-pwrseq = <&wifi_pwrseq>; + non-removable; + status = "okay"; + + brcmf: wifi@1 { + reg = <1>; + compatible = "brcm,bcm4329-fmac"; + }; +}; + +&uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0_gpio32 &uart0_ctsrts_gpio30>; + status = "okay"; + + bluetooth { + compatible = "brcm,bcm43438-bt"; + max-speed = <2000000>; + shutdown-gpios = <&gpio 45 GPIO_ACTIVE_HIGH>; + }; +}; + +&uart1 { + pinctrl-names = "default"; + pinctrl-0 = <&uart1_gpio14>; + status = "okay"; +}; |