115 lines
2.1 KiB
Plaintext
115 lines
2.1 KiB
Plaintext
// 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-plus", "brcm,bcm2835";
|
|
model = "Raspberry Pi Model A+";
|
|
|
|
leds {
|
|
act {
|
|
gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
|
|
};
|
|
|
|
pwr {
|
|
label = "PWR";
|
|
gpios = <&gpio 35 GPIO_ACTIVE_HIGH>;
|
|
default-state = "keep";
|
|
linux,default-trigger = "default-on";
|
|
};
|
|
};
|
|
};
|
|
|
|
&gpio {
|
|
/*
|
|
* This is based on the unreleased schematic for the Model A+.
|
|
*
|
|
* 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",
|
|
"GPIO5",
|
|
"GPIO6",
|
|
"SPI_CE1_N",
|
|
"SPI_CE0_N",
|
|
"SPI_MISO",
|
|
"SPI_MOSI",
|
|
"SPI_SCLK",
|
|
"GPIO12",
|
|
"GPIO13",
|
|
/* Serial port */
|
|
"TXD0",
|
|
"RXD0",
|
|
"GPIO16",
|
|
"GPIO17",
|
|
"GPIO18",
|
|
"GPIO19",
|
|
"GPIO20",
|
|
"GPIO21",
|
|
"GPIO22",
|
|
"GPIO23",
|
|
"GPIO24",
|
|
"GPIO25",
|
|
"GPIO26",
|
|
"GPIO27",
|
|
"SDA0",
|
|
"SCL0",
|
|
"NC", /* GPIO30 */
|
|
"NC", /* GPIO31 */
|
|
"CAM_GPIO1", /* GPIO32 */
|
|
"NC", /* GPIO33 */
|
|
"NC", /* GPIO34 */
|
|
"PWR_LOW_N", /* GPIO35 */
|
|
"NC", /* GPIO36 */
|
|
"NC", /* GPIO37 */
|
|
"USB_LIMIT", /* GPIO38 */
|
|
"NC", /* GPIO39 */
|
|
"PWM0_OUT", /* GPIO40 */
|
|
"CAM_GPIO0", /* GPIO41 */
|
|
"NC", /* GPIO42 */
|
|
"NC", /* GPIO43 */
|
|
"NC", /* GPIO44 */
|
|
"PWM1_OUT", /* GPIO45 */
|
|
"HDMI_HPD_N",
|
|
"STATUS_LED",
|
|
/* 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_alt0>;
|
|
|
|
/* I2S interface */
|
|
i2s_alt0: i2s_alt0 {
|
|
brcm,pins = <18 19 20 21>;
|
|
brcm,function = <BCM2835_FSEL_ALT0>;
|
|
};
|
|
};
|
|
|
|
&hdmi {
|
|
hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
|
|
};
|
|
|
|
&pwm {
|
|
pinctrl-names = "default";
|
|
pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>;
|
|
status = "okay";
|
|
};
|
|
|
|
&uart0 {
|
|
pinctrl-names = "default";
|
|
pinctrl-0 = <&uart0_gpio14>;
|
|
status = "okay";
|
|
};
|