[RFC PATCH 00/13] Add support for Tegra DPAUX pinctrl

[Jon Hunter]

The Display Port Auxiliary (DPAUX) channel pads can be shared with an
internal I2C controller. Add pinctrl support for these pads so that the
I2C controller can request and use these pads.

Jon Hunter (13):
  drm/tegra: Clean-up if probing DPAUX fails
  drm/tegra: Add helper functions for setting up DPAUX pads
  dt-bindings: drm/tegra: Update DPAUX documentation
  drm/tegra: Add sor-safe clock for DPAUX on Tegra210
  drm/tegra: Prepare DPAUX for supporting generic PM domains
  pinctrl: pinconf: Add generic helper function for freeing mappings
  dt-bindings: i2c: Add support for 'i2c-bus' subnode
  i2c: core: Add support for 'i2c-bus' subnode
  dt-bindings: drm/tegra: Add DPAUX pinctrl documentation
  drm/tegra: Add pinctrl support for DPAUX
  arm64: tegra: Add SOR power-domain node
  arm64: tegra: Add sor-safe clock to DPAUX binding
  arm64: tegra: Add DPAUX pinctrl bindings

 .../display/tegra/nvidia,tegra20-host1x.txt        |  11 +-
 Documentation/devicetree/bindings/i2c/i2c.txt      |   8 +
 .../pinctrl/nvidia,tegra124-dpaux-padctl.txt       |  60 +++++
 arch/arm64/boot/dts/nvidia/tegra210.dtsi           |  78 ++++++-
 drivers/gpu/drm/tegra/Kconfig                      |   1 +
 drivers/gpu/drm/tegra/dpaux.c                      | 255 +++++++++++++++++----
 drivers/i2c/i2c-core.c                             |  11 +-
 drivers/pinctrl/pinconf-generic.c                  |   8 +
 include/linux/pinctrl/pinconf-generic.h            |   2 +
 9 files changed, 380 insertions(+), 54 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/pinctrl/nvidia,tegra124-dpaux-padctl.txt

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2.1.4