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author | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
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committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/arch/arm/dts/bcm2836-rpi-2-b.dts | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/arch/arm/dts/bcm2836-rpi-2-b.dts')
-rw-r--r-- | roms/u-boot/arch/arm/dts/bcm2836-rpi-2-b.dts | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/dts/bcm2836-rpi-2-b.dts b/roms/u-boot/arch/arm/dts/bcm2836-rpi-2-b.dts new file mode 100644 index 000000000..7b4e651ba --- /dev/null +++ b/roms/u-boot/arch/arm/dts/bcm2836-rpi-2-b.dts @@ -0,0 +1,120 @@ +// 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"; +}; |