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bcm2708-rpi-zero-w.dts 2.63 KiB
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/dts-v1/;

#include "bcm2708.dtsi"
#include "bcm2708-rpi.dtsi"
#include "bcm283x-rpi-csi1-2lane.dtsi"

/ {
	compatible = "raspberrypi,model-zero-w", "brcm,bcm2835";
	model = "Raspberry Pi Zero W";

	chosen {
		bootargs = "coherent_pool=1M 8250.nr_uarts=1";
	};

	aliases {
		serial0 = &uart1;
		serial1 = &uart0;
		mmc1 = &mmcnr;
	};
};

&gpio {
	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>; /* none */
	};

	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";
};

&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>;
	};
};

&i2c0 {
	pinctrl-names = "default";
	pinctrl-0 = <&i2c0_pins>;
	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: act {
		label = "led0";
		linux,default-trigger = "mmc0";
		gpios = <&gpio 47 0>;
	};
};

&hdmi {
	hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
};

&audio {
	pinctrl-names = "default";
	pinctrl-0 = <&audio_pins>;
};

/ {
	__overrides__ {
		act_led_gpio = <&act_led>,"gpios:4";
		act_led_activelow = <&act_led>,"gpios:8";
		act_led_trigger = <&act_led>,"linux,default-trigger";
	};
};