1 // SPDX-License-Identifier: GPL-2.0
3 #include "bcm2835.dtsi"
4 #include "bcm2835-rpi.dtsi"
5 #include "bcm283x-rpi-usb-host.dtsi"
8 compatible = "raspberrypi,model-a", "brcm,bcm2835";
9 model = "Raspberry Pi Model A";
12 device_type = "memory";
18 gpios = <&gpio 16 GPIO_ACTIVE_LOW>;
25 * Taken from Raspberry-Pi-Rev-1.0-Model-AB-Schematics.pdf
29 * "NC" = not connected (no rail from the SoC)
30 * "FOO" = GPIO line named "FOO" on the schematic
31 * "FOO_N" = GPIO line named "FOO" on schematic, active low
33 gpio-line-names = "SDA0",
62 /* Binary number representing build/revision */
91 pinctrl-0 = <&gpioout &alt0 &i2s_alt2>;
95 brcm,pins = <28 29 30 31>;
96 brcm,function = <BCM2835_FSEL_ALT2>;
101 hpd-gpios = <&gpio 46 GPIO_ACTIVE_HIGH>;
102 power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
107 pinctrl-names = "default";
108 pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>;
113 pinctrl-names = "default";
114 pinctrl-0 = <&sdhost_gpio48>;
120 pinctrl-names = "default";
121 pinctrl-0 = <&uart0_gpio14>;
125 /* i2c0 on camera/display connector is gpio 0&1. Not exposed on header.
126 * To avoid having to remap everything, map both ports to gpios 0&1
129 pinctrl-1 = <&i2c0_gpio0>;