linux-kernel - [PATCH 0/7] RPi touchscreen as a panel driver again

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Date:   Thu, 15 Jun 2017 13:41:23 -0700
From:   Eric Anholt <eric@...olt.net>
To:     dri-devel@...ts.freedesktop.org,
        Archit Taneja <architt@...eaurora.org>,
        Andrzej Hajda <a.hajda@...sung.com>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>, devicetree@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, Eric Anholt <eric@...olt.net>
Subject: [PATCH 0/7] RPi touchscreen as a panel driver again

After splitting the panel driver out into a panel and bridge due to
panel review, the feedback from bridge maintainers was that it didn't
make sense as a bridge.  I completely agree with them.  This series
returns the driver to being a panel, but this time probing as an i2c
client rather than a DSI device (due to review from bridge
submission).

Eric Anholt (7):
  drm/bridge: Support hotplugging panel-bridge.
  drm/vc4: Fix DSI T_INIT timing.
  drm/vc4: Fix misleading name of the continuous flag.
  drm/vc4: Use drm_mode_vrefresh() in DSI fixup, in case vrefresh is 0.
  dt-bindings: Document the Raspberry Pi Touchscreen nodes.
  drm/panel: Add support for the Raspberry Pi 7" Touchscreen.
  ARM: dts: bcm2835: Enable the Raspberry Pi touchscreen panel.

 .../panel/raspberrypi,7inch-touchscreen.txt        |  49 ++
 arch/arm/boot/dts/bcm2835-rpi-b-plus.dts           |   5 +
 arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts           |   5 +
 arch/arm/boot/dts/bcm2835-rpi-b.dts                |   5 +
 arch/arm/boot/dts/bcm2836-rpi-2-b.dts              |   5 +
 arch/arm/boot/dts/bcm283x.dtsi                     |  30 +-
 arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b.dts   |   5 +
 drivers/gpu/drm/bridge/panel.c                     |   3 +
 drivers/gpu/drm/panel/Kconfig                      |   8 +
 drivers/gpu/drm/panel/Makefile                     |   1 +
 .../gpu/drm/panel/panel-raspberrypi-touchscreen.c  | 507 +++++++++++++++++++++
 drivers/gpu/drm/vc4/vc4_dsi.c                      |  24 +-
 12 files changed, 640 insertions(+), 7 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/display/panel/raspberrypi,7inch-touchscreen.txt
 create mode 100644 drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c

-- 
2.11.0