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>
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@ -73,6 +73,7 @@ dtb-$(CONFIG_ARCH_BCM2835) += \
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bcm2835-rpi-b-rev2.dtb \
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bcm2835-rpi-b-plus.dtb \
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bcm2835-rpi-a-plus.dtb \
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bcm2835-rpi-cm1-io1.dtb \
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bcm2836-rpi-2-b.dtb \
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bcm2837-rpi-3-b.dtb \
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bcm2837-rpi-3-b-plus.dtb \
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@ -0,0 +1,88 @@
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// SPDX-License-Identifier: GPL-2.0
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/dts-v1/;
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#include "bcm2835-rpi-cm1.dtsi"
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#include "bcm283x-rpi-usb-host.dtsi"
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/ {
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compatible = "raspberrypi,compute-module", "brcm,bcm2835";
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model = "Raspberry Pi Compute Module IO board rev1";
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};
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&gpio {
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/*
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* This is based on the official GPU firmware DT blob.
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*
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* Legend:
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* "NC" = not connected (no rail from the SoC)
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* "FOO" = GPIO line named "FOO" on the schematic
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* "FOO_N" = GPIO line named "FOO" on schematic, active low
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*/
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gpio-line-names = "GPIO0",
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"GPIO1",
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"GPIO2",
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"GPIO3",
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"GPIO4",
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"GPIO5",
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"GPIO6",
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"GPIO7",
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"GPIO8",
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"GPIO9",
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"GPIO10",
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"GPIO11",
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"GPIO12",
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"GPIO13",
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"GPIO14",
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"GPIO15",
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"GPIO16",
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"GPIO17",
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"GPIO18",
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"GPIO19",
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"GPIO20",
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"GPIO21",
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"GPIO22",
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"GPIO23",
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"GPIO24",
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"GPIO25",
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"GPIO26",
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"GPIO27",
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"GPIO28",
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"GPIO29",
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"GPIO30",
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"GPIO31",
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"GPIO32",
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"GPIO33",
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"GPIO34",
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"GPIO35",
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"GPIO36",
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"GPIO37",
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"GPIO38",
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"GPIO39",
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"GPIO40",
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"GPIO41",
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"GPIO42",
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"GPIO43",
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"GPIO44",
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"GPIO45",
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"HDMI_HPD_N",
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/* Also used as ACT LED */
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"EMMC_EN_N",
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/* Used by eMMC */
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"SD_CLK_R",
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"SD_CMD_R",
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"SD_DATA0_R",
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"SD_DATA1_R",
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"SD_DATA2_R",
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"SD_DATA3_R";
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pinctrl-0 = <&gpioout &alt0>;
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};
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&hdmi {
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hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
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};
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&uart0 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart0_gpio14>;
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status = "okay";
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};
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@ -0,0 +1,34 @@
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// SPDX-License-Identifier: GPL-2.0
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/dts-v1/;
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#include "bcm2835.dtsi"
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#include "bcm2835-rpi.dtsi"
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/ {
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leds {
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act {
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gpios = <&gpio 47 GPIO_ACTIVE_LOW>;
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};
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};
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reg_3v3: fixed-regulator {
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compatible = "regulator-fixed";
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regulator-name = "3V3";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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};
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reg_1v8: fixed-regulator {
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compatible = "regulator-fixed";
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regulator-name = "1V8";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-always-on;
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};
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};
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&sdhost {
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non-removable;
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vmmc-supply = <®_3v3>;
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vqmmc-supply = <®_1v8>;
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};
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