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| // SPDX-License-Identifier: GPL-2.0
| /dts-v1/;
| #include "bcm2835.dtsi"
| #include "bcm2835-rpi.dtsi"
| #include "bcm283x-rpi-usb-host.dtsi"
|
| / {
| compatible = "raspberrypi,model-a", "brcm,bcm2835";
| model = "Raspberry Pi Model A";
|
| memory@0 {
| device_type = "memory";
| reg = <0 0x10000000>;
| };
|
| leds {
| led-act {
| gpios = <&gpio 16 GPIO_ACTIVE_LOW>;
| };
| };
| };
|
| &gpio {
| /*
| * Taken from Raspberry-Pi-Rev-1.0-Model-AB-Schematics.pdf
| * RPI00021 sheet 02
| *
| * 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 = "SDA0",
| "SCL0",
| "SDA1",
| "SCL1",
| "GPIO_GCLK",
| "CAM_GPIO1",
| "LAN_RUN",
| "SPI_CE1_N",
| "SPI_CE0_N",
| "SPI_MISO",
| "SPI_MOSI",
| "SPI_SCLK",
| "NC", /* GPIO12 */
| "NC", /* GPIO13 */
| /* Serial port */
| "TXD0",
| "RXD0",
| "STATUS_LED_N",
| "GPIO17",
| "GPIO18",
| "NC", /* GPIO19 */
| "NC", /* GPIO20 */
| "GPIO21",
| "GPIO22",
| "GPIO23",
| "GPIO24",
| "GPIO25",
| "NC", /* GPIO26 */
| "CAM_GPIO0",
| /* Binary number representing build/revision */
| "CONFIG0",
| "CONFIG1",
| "CONFIG2",
| "CONFIG3",
| "NC", /* GPIO32 */
| "NC", /* GPIO33 */
| "NC", /* GPIO34 */
| "NC", /* GPIO35 */
| "NC", /* GPIO36 */
| "NC", /* GPIO37 */
| "NC", /* GPIO38 */
| "NC", /* GPIO39 */
| "PWM0_OUT",
| "NC", /* GPIO41 */
| "NC", /* GPIO42 */
| "NC", /* GPIO43 */
| "NC", /* GPIO44 */
| "PWM1_OUT",
| "HDMI_HPD_P",
| "SD_CARD_DET",
| /* 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 &i2s_alt2>;
|
| /* I2S interface */
| i2s_alt2: i2s_alt2 {
| brcm,pins = <28 29 30 31>;
| brcm,function = <BCM2835_FSEL_ALT2>;
| };
| };
|
| &hdmi {
| hpd-gpios = <&gpio 46 GPIO_ACTIVE_HIGH>;
| power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
| status = "okay";
| };
|
| &pwm {
| pinctrl-names = "default";
| pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>;
| status = "okay";
| };
|
| &sdhost {
| pinctrl-names = "default";
| pinctrl-0 = <&sdhost_gpio48>;
| bus-width = <4>;
| status = "okay";
| };
|
| &uart0 {
| pinctrl-names = "default";
| pinctrl-0 = <&uart0_gpio14>;
| status = "okay";
| };
|
|
