[PATCH V3 0/5] ARM: dts: bcm2835: Add Raspberry Pi Zero

[Stefan Wahren]

This patch series add support for Raspberry Pi Zero with USB host mode. It's
based on the patch "ARM64: dts: bcm: Use a symlink to R-Pi dtsi files
from arch=arm" from Ian Campbell. Currently there is a bug [1] which needs
to fixed before because after applying these patch series the bug isn't
reproducible anymore but not fixed.

The patches 1-3 fixes the USB DT settings for bcm283x. Patch 3 is only compile
tested, so it would be nice if someone with a RPi 3 could test it.
The last patch based on the work of Lubomir Rintel [2] and Noralf Trønnes [3].

Note: Patch 3 can't be cherry-picked because it depends on Patch 2.

Changes since V2:
- rebase on "ARM64: dts: bcm: Use a symlink to R-Pi dtsi files from arch=arm"
- add dtsi file to easily specify host mode for bcm283x boards
- drop all dwc2 changes (incl. USB otg/gadget support) because of known
  issues [4]
- add copyright and license to new dts file

Changes since V1:
- rebase to current linux-next
- add patches 1 - 4 for otg/gadget support
- add patch 5 with model compatible
- use polarity define for ACT LED

[1] - http://lists.infradead.org/pipermail/linux-rpi-kernel/2016-August/004216.html
[2] - http://lists.infradead.org/pipermail/linux-rpi-kernel/2016-February/003221.html
[3] - https://github.com/raspberrypi/linux/pull/1239/
[4] - http://lists.infradead.org/pipermail/linux-rpi-kernel/2016-August/004197.html

Stefan Wahren (5):
  ARM: dts: bcm283x: Add missing USB clock
  ARM: dts: bcm283x: Add dtsi for USB host mode
  ARM64: dts: bcm283x: Use dtsi for USB host mode
  DT: bindings: bcm: Add Raspberry Pi Zero
  ARM: dts: bcm2835: Add Raspberry Pi Zero

 .../devicetree/bindings/arm/bcm/brcm,bcm2835.txt   |    4 ++
 arch/arm/boot/dts/Makefile                         |    3 +-
 arch/arm/boot/dts/bcm2835-rpi-a-plus.dts           |    1 +
 arch/arm/boot/dts/bcm2835-rpi-a.dts                |    1 +
 arch/arm/boot/dts/bcm2835-rpi-b-plus.dts           |    1 +
 arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts           |    1 +
 arch/arm/boot/dts/bcm2835-rpi-b.dts                |    1 +
 arch/arm/boot/dts/bcm2835-rpi-zero.dts             |   40 ++++++++++++++++++++
 arch/arm/boot/dts/bcm2836-rpi-2-b.dts              |    1 +
 arch/arm/boot/dts/bcm283x-rpi-usb-host.dtsi        |    3 ++
 arch/arm/boot/dts/bcm283x.dtsi                     |    9 +++++
 arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b.dts   |    1 +
 .../boot/dts/broadcom/bcm283x-rpi-usb-host.dtsi    |    1 +
 13 files changed, 66 insertions(+), 1 deletion(-)
 create mode 100644 arch/arm/boot/dts/bcm2835-rpi-zero.dts
 create mode 100644 arch/arm/boot/dts/bcm283x-rpi-usb-host.dtsi
 create mode 120000 arch/arm64/boot/dts/broadcom/bcm283x-rpi-usb-host.dtsi

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1.7.9.5