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List:       linux-tegra
Subject:    Re: [PATCH V2 00/11] Add support for Tegra DPAUX pinctrl
From:       Thierry Reding <thierry.reding () gmail ! com>
Date:       2016-06-30 13:25:09
Message-ID: 20160630132509.GD26758 () ulmo ! ba ! sec
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On Wed, Jun 29, 2016 at 10:17:46AM +0100, Jon Hunter wrote:
> 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.
> 
> This series has been tested with Thierry's patches for correcting the
> parent clock for the DPAUX devices [0].
> 
> Changes from V1:
> - Updated dt node names to use '-' instead of '_' per Rob H's feedback.
> - Updated commit message and dt-binding description for 'i2c-bus' node
>   per Wolfram's feedback.
> - Note the pinctrl patch to add a helper function for freeing mappings [1]
>   is not included in this latest version of the series as this has already
>   been picked up by Linus W.
> 
> Changes from initial RFC:
> - Dropped patches for adding sor-safe clocks to DPAUX in favour of the
>   patches from Thierry [0].
> - Split the DPAUX function to enable the DPAUX pads into two functions:
>   one for turning on and one for turning off the pads.
> - Updated the description for the 'i2c-bus' node based upon Mark R's
>   feedback.
> - Dropped the second test if the i2c-core when checking for the presence
>   of the 'i2c-bus' node based upon Thierry's feedback.
> - Removed depedency on CONFIG_PINCTRL in the DPAUX driver in favour of
>   using #ifdef's per Thierry's feedback (note by removing the dependency
>   on CONFIG_PINCTRL I had to use #ifdefs as all the structures, function
>   tables, and functions may not be defined).
> - Updated SOR power partition device-tree node to include all clocks and
>   resets as described in the Tegra210 TRM.
> 
> [0] http://marc.info/?l=linux-tegra&m=146667915802019&w=2
> [1] http://marc.info/?l=linux-tegra&m=146669759407988&w=2
> 
> Jon Hunter (11):
>   soc/tegra: pmc: Initialise resets associated with a power partition
>   drm/tegra: Clean-up if probing DPAUX fails
>   drm/tegra: Add helper functions for setting up DPAUX pads
>   dt-bindings: display: Update Tegra DPAUX documentation
>   drm/tegra: Prepare DPAUX for supporting generic PM domains
>   dt-bindings: i2c: Add support for 'i2c-bus' subnode
>   i2c: core: Add support for 'i2c-bus' subnode
>   dt-bindings: Add bindings for Tegra DPAUX pinctrl driver
>   drm/tegra: Add pinctrl support for DPAUX
>   arm64: tegra: Add SOR power-domain node
>   arm64: tegra: Add DPAUX pinctrl bindings
> 
>  .../display/tegra/nvidia,tegra20-host1x.txt        |  12 +-
>  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/dpaux.c                      | 239 +++++++++++++++++----
>  drivers/i2c/i2c-core.c                             |  10 +-
>  drivers/soc/tegra/pmc.c                            |  18 +-
>  7 files changed, 373 insertions(+), 52 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/pinctrl/nvidia,tegra124-dpaux-padctl.txt

Applied, thanks.

Thierry

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