From e9af481cbc21bba1d4447a5a4bd1674c40d619a1 Mon Sep 17 00:00:00 2001 From: Stefan Wahren Date: Thu, 14 Jun 2018 21:50:04 +0200 Subject: [PATCH 1/3] 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 Signed-off-by: Eric Anholt Reviewed-by: Eric Anholt --- arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/bcm2835-rpi-cm1-io1.dts | 88 +++++++++++++++++++++++ arch/arm/boot/dts/bcm2835-rpi-cm1.dtsi | 34 +++++++++ 3 files changed, 123 insertions(+) create mode 100644 arch/arm/boot/dts/bcm2835-rpi-cm1-io1.dts create mode 100644 arch/arm/boot/dts/bcm2835-rpi-cm1.dtsi diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 37a3de760d40..07b306f46715 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -73,6 +73,7 @@ dtb-$(CONFIG_ARCH_BCM2835) += \ bcm2835-rpi-b-rev2.dtb \ bcm2835-rpi-b-plus.dtb \ bcm2835-rpi-a-plus.dtb \ + bcm2835-rpi-cm1-io1.dtb \ bcm2836-rpi-2-b.dtb \ bcm2837-rpi-3-b.dtb \ bcm2837-rpi-3-b-plus.dtb \ 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"; +}; diff --git a/arch/arm/boot/dts/bcm2835-rpi-cm1.dtsi b/arch/arm/boot/dts/bcm2835-rpi-cm1.dtsi new file mode 100644 index 000000000000..ef22c2da783a --- /dev/null +++ b/arch/arm/boot/dts/bcm2835-rpi-cm1.dtsi @@ -0,0 +1,34 @@ +// SPDX-License-Identifier: GPL-2.0 +/dts-v1/; +#include "bcm2835.dtsi" +#include "bcm2835-rpi.dtsi" + +/ { + leds { + act { + gpios = <&gpio 47 GPIO_ACTIVE_LOW>; + }; + }; + + reg_3v3: fixed-regulator { + compatible = "regulator-fixed"; + regulator-name = "3V3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + + reg_1v8: fixed-regulator { + compatible = "regulator-fixed"; + regulator-name = "1V8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; + }; +}; + +&sdhost { + non-removable; + vmmc-supply = <®_3v3>; + vqmmc-supply = <®_1v8>; +}; From b8ccf02a5014b8d3a828a859a35b1fb6ceb6e688 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Mon, 21 May 2018 11:39:07 -0700 Subject: [PATCH 2/3] ARM: dts: bcm283x: Add the PMU to the devicetree. This only probes on arm64 so far, but hopefully that driver will be generalized soon. Signed-off-by: Eric Anholt Acked-by: Stefan Wahren --- arch/arm/boot/dts/bcm2837.dtsi | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm/boot/dts/bcm2837.dtsi b/arch/arm/boot/dts/bcm2837.dtsi index 7704bb029605..beb6c502dadc 100644 --- a/arch/arm/boot/dts/bcm2837.dtsi +++ b/arch/arm/boot/dts/bcm2837.dtsi @@ -17,6 +17,12 @@ local_intc: local_intc@40000000 { }; }; + arm-pmu { + compatible = "arm,cortex-a53-pmu"; + interrupt-parent = <&local_intc>; + interrupts = <9 IRQ_TYPE_LEVEL_HIGH>; + }; + timer { compatible = "arm,armv7-timer"; interrupt-parent = <&local_intc>; From b7dd29b401f5862ea24df13ee5c10bed8668c14b Mon Sep 17 00:00:00 2001 From: Boris Brezillon Date: Mon, 2 Jul 2018 14:20:20 +0200 Subject: [PATCH 3/3] ARM: dts: bcm283x: Add Transposer block The transposer block is allowing one to write the result of the VC4 composition back to memory instead of displaying it on a screen. Signed-off-by: Boris Brezillon Reviewed-by: Liviu Dudau Reviewed-by: Eric Anholt Signed-off-by: Eric Anholt --- arch/arm/boot/dts/bcm283x.dtsi | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm/boot/dts/bcm283x.dtsi b/arch/arm/boot/dts/bcm283x.dtsi index 61315cf734ef..31b29646b14c 100644 --- a/arch/arm/boot/dts/bcm283x.dtsi +++ b/arch/arm/boot/dts/bcm283x.dtsi @@ -66,6 +66,12 @@ timer@7e003000 { clock-frequency = <1000000>; }; + txp@7e004000 { + compatible = "brcm,bcm2835-txp"; + reg = <0x7e004000 0x20>; + interrupts = <1 11>; + }; + dma: dma@7e007000 { compatible = "brcm,bcm2835-dma"; reg = <0x7e007000 0xf00>;