Brooklyn/arch/arm/boot/dts/bcm2710-rpi-zero-2-w.dts

/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";
	};
};