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| author | Stefan Wahren <stefan.wahren@i2se.com> | 2018-06-14 21:50:04 +0200 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2018-06-21 17:00:56 -0700 |
| commit | e9af481cbc21bba1d4447a5a4bd1674c40d619a1 (patch) | |
| tree | d1a36d8f67da92e2d6b705d4fafe64d0c2136584 /arch/arm/boot/dts/bcm2835-rpi-cm1-io1.dts | |
| parent | ce397d215ccd07b8ae3f71db689aedb85d56ab40 (diff) | |
| download | lwn-e9af481cbc21bba1d4447a5a4bd1674c40d619a1.tar.gz lwn-e9af481cbc21bba1d4447a5a4bd1674c40d619a1.zip | |
ARM: dts: add Raspberry Pi Compute Module and IO board
The Raspberry Pi Compute Module (CM1) is a SoM which contains a
BCM2835 processor, 512 MB RAM and a 4 GB eMMC. There is also a carrier
board which is called Compute Module IO Board.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'arch/arm/boot/dts/bcm2835-rpi-cm1-io1.dts')
| -rw-r--r-- | arch/arm/boot/dts/bcm2835-rpi-cm1-io1.dts | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/bcm2835-rpi-cm1-io1.dts b/arch/arm/boot/dts/bcm2835-rpi-cm1-io1.dts new file mode 100644 index 000000000000..4764a25585ab --- /dev/null +++ b/arch/arm/boot/dts/bcm2835-rpi-cm1-io1.dts @@ -0,0 +1,88 @@ +// SPDX-License-Identifier: GPL-2.0 +/dts-v1/; +#include "bcm2835-rpi-cm1.dtsi" +#include "bcm283x-rpi-usb-host.dtsi" + +/ { + compatible = "raspberrypi,compute-module", "brcm,bcm2835"; + model = "Raspberry Pi Compute Module IO board rev1"; +}; + +&gpio { + /* + * This is based on 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 = "GPIO0", + "GPIO1", + "GPIO2", + "GPIO3", + "GPIO4", + "GPIO5", + "GPIO6", + "GPIO7", + "GPIO8", + "GPIO9", + "GPIO10", + "GPIO11", + "GPIO12", + "GPIO13", + "GPIO14", + "GPIO15", + "GPIO16", + "GPIO17", + "GPIO18", + "GPIO19", + "GPIO20", + "GPIO21", + "GPIO22", + "GPIO23", + "GPIO24", + "GPIO25", + "GPIO26", + "GPIO27", + "GPIO28", + "GPIO29", + "GPIO30", + "GPIO31", + "GPIO32", + "GPIO33", + "GPIO34", + "GPIO35", + "GPIO36", + "GPIO37", + "GPIO38", + "GPIO39", + "GPIO40", + "GPIO41", + "GPIO42", + "GPIO43", + "GPIO44", + "GPIO45", + "HDMI_HPD_N", + /* Also used as ACT LED */ + "EMMC_EN_N", + /* Used by eMMC */ + "SD_CLK_R", + "SD_CMD_R", + "SD_DATA0_R", + "SD_DATA1_R", + "SD_DATA2_R", + "SD_DATA3_R"; + + pinctrl-0 = <&gpioout &alt0>; +}; + +&hdmi { + hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>; +}; + +&uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0_gpio14>; + status = "okay"; +}; |