// SPDX-License-Identifier: GPL-2.0 /dts-v1/; #include "bcm2836.dtsi" #include "bcm2836-rpi.dtsi" #include "bcm283x-rpi-smsc9514.dtsi" #include "bcm283x-rpi-usb-host.dtsi" / { compatible = "raspberrypi,2-model-b", "brcm,bcm2836"; model = "Raspberry Pi 2 Model B"; memory@0 { reg = <0 0x40000000>; }; 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 { /* * Taken from rpi_SCH_2b_1p2_reduced.pdf and * 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 */ "TXD0", "RXD0", "GPIO16", "GPIO17", "GPIO18", "GPIO19", "GPIO20", "GPIO21", "GPIO22", "GPIO23", "GPIO24", "GPIO25", "GPIO26", "GPIO27", "SDA0", "SCL0", "", /* GPIO30 */ "LAN_RUN", "CAM_GPIO1", "", /* GPIO33 */ "", /* GPIO34 */ "PWR_LOW_N", "", /* GPIO36 */ "", /* GPIO37 */ "USB_LIMIT", "", /* GPIO39 */ "PWM0_OUT", "CAM_GPIO0", "SMPS_SCL", "SMPS_SDA", "ETHCLK", "PWM1_OUT", "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"; };