| // 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 0>; |
| }; |
| |
| pwr { |
| label = "PWR"; |
| gpios = <&gpio 35 0>; |
| 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>; |
| }; |
| |
| &uart0 { |
| pinctrl-names = "default"; |
| pinctrl-0 = <&uart0_gpio14>; |
| status = "okay"; |
| }; |
