/dts-v1/; #include "bcm2710.dtsi" #include "bcm2709-rpi.dtsi" #include "bcm283x-rpi-csi1-2lane.dtsi" #include "bcm283x-rpi-i2c0mux_0_44.dtsi" #include "bcm2708-rpi-bt.dtsi" / { compatible = "raspberrypi,model-zero-2-w", "brcm,bcm2837"; model = "Raspberry Pi Zero 2 W"; chosen { bootargs = "coherent_pool=1M 8250.nr_uarts=1 snd_bcm2835.enable_headphones=0"; }; aliases { serial0 = &uart1; serial1 = &uart0; mmc1 = &mmcnr; }; }; &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 */ "TXD1", "RXD1", "GPIO16", "GPIO17", "GPIO18", "GPIO19", "GPIO20", "GPIO21", "GPIO22", "GPIO23", "GPIO24", "GPIO25", "GPIO26", "GPIO27", "HDMI_HPD_N", "STATUS_LED_N", /* Used by BT module */ "CTS0", "RTS0", "TXD0", "RXD0", /* Used by Wifi */ "SD1_CLK", "SD1_CMD", "SD1_DATA0", "SD1_DATA1", "SD1_DATA2", "SD1_DATA3", "CAM_GPIO1", /* GPIO40 */ "WL_ON", /* GPIO41 */ "BT_ON", /* GPIO42 */ "WIFI_CLK", /* GPIO43 */ "SDA0", /* GPIO44 */ "SCL0", /* GPIO45 */ "SMPS_SCL", /* GPIO46 */ "SMPS_SDA", /* GPIO47 */ /* Used by SD Card */ "SD_CLK_R", "SD_CMD_R", "SD_DATA0_R", "SD_DATA1_R", "SD_DATA2_R", "SD_DATA3_R"; spi0_pins: spi0_pins { brcm,pins = <9 10 11>; brcm,function = <4>; /* alt0 */ }; spi0_cs_pins: spi0_cs_pins { brcm,pins = <8 7>; brcm,function = <1>; /* output */ }; i2c0_pins: i2c0 { brcm,pins = <0 1>; brcm,function = <4>; }; i2c1_pins: i2c1 { brcm,pins = <2 3>; brcm,function = <4>; }; i2s_pins: i2s { brcm,pins = <18 19 20 21>; brcm,function = <4>; /* alt0 */ }; sdio_pins: sdio_pins { brcm,pins = <34 35 36 37 38 39>; brcm,function = <7>; // alt3 = SD1 brcm,pull = <0 2 2 2 2 2>; }; bt_pins: bt_pins { brcm,pins = <43>; brcm,function = <4>; /* alt0:GPCLK2 */ brcm,pull = <0>; }; uart0_pins: uart0_pins { brcm,pins = <30 31 32 33>; brcm,function = <7>; /* alt3=UART0 */ brcm,pull = <2 0 0 2>; /* up none none up */ }; uart1_pins: uart1_pins { brcm,pins; brcm,function; brcm,pull; }; audio_pins: audio_pins { brcm,pins = <>; brcm,function = <>; }; }; &mmcnr { pinctrl-names = "default"; pinctrl-0 = <&sdio_pins>; bus-width = <4>; status = "okay"; #address-cells = <1>; #size-cells = <0>; brcmf: wifi@1 { reg = <1>; compatible = "brcm,bcm4329-fmac"; firmwares { fw_43436p { chipid = <43430>; revmask = <4>; fw_base = "brcm/brcmfmac43436-sdio"; }; fw_43436s { chipid = <43430>; revmask = <2>; fw_base = "brcm/brcmfmac43436s-sdio"; }; }; }; }; &uart0 { pinctrl-names = "default"; pinctrl-0 = <&uart0_pins &bt_pins>; status = "okay"; }; &uart1 { pinctrl-names = "default"; pinctrl-0 = <&uart1_pins>; status = "okay"; }; &spi0 { pinctrl-names = "default"; pinctrl-0 = <&spi0_pins &spi0_cs_pins>; cs-gpios = <&gpio 8 1>, <&gpio 7 1>; spidev0: spidev@0{ compatible = "spidev"; reg = <0>; /* CE0 */ #address-cells = <1>; #size-cells = <0>; spi-max-frequency = <125000000>; }; spidev1: spidev@1{ compatible = "spidev"; reg = <1>; /* CE1 */ #address-cells = <1>; #size-cells = <0>; spi-max-frequency = <125000000>; }; }; &i2c0if { clock-frequency = <100000>; }; &i2c1 { pinctrl-names = "default"; pinctrl-0 = <&i2c1_pins>; clock-frequency = <100000>; }; &i2c2 { clock-frequency = <100000>; }; &i2s { pinctrl-names = "default"; pinctrl-0 = <&i2s_pins>; }; &leds { act_led: led-act { label = "led0"; linux,default-trigger = "actpwr"; gpios = <&gpio 29 GPIO_ACTIVE_LOW>; }; }; &hdmi { hpd-gpios = <&gpio 28 GPIO_ACTIVE_LOW>; }; &vchiq { pinctrl-names = "default"; pinctrl-0 = <&audio_pins>; }; &bt { shutdown-gpios = <&gpio 42 GPIO_ACTIVE_HIGH>; }; &minibt { shutdown-gpios = <&gpio 42 GPIO_ACTIVE_HIGH>; }; &cam1_reg { gpio = <&gpio 40 GPIO_ACTIVE_HIGH>; }; cam0_reg: &cam_dummy_reg { }; / { __overrides__ { audio = <&chosen>,"bootargs{on='snd_bcm2835.enable_hdmi=1',off='snd_bcm2835.enable_hdmi=0'}"; act_led_gpio = <&act_led>,"gpios:4"; act_led_activelow = <&act_led>,"gpios:8"; act_led_trigger = <&act_led>,"linux,default-trigger"; }; };