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From: Nicolas Pitre <nico@fluxnic.net>
To: Boris Brezillon <boris.brezillon@collabora.com>,
	 linux-i3c@lists.infradead.org, devicetree@vger.kernel.org
Cc: Laura Nixon <laura.nixon@team.mipi.org>,
	Rob Herring <robh+dt@kernel.org>,
	Matthew Schnoor <matthew.schnoor@intel.com>,
	Robert Gough <robert.gough@intel.com>
Subject: Re: [PATCH v2 1/2] MIPI I3c HCI (Host Controller Interface) driver
Date: Tue, 18 Aug 2020 23:21:19 -0400 (EDT)	[thread overview]
Message-ID: <nycvar.YSQ.7.78.906.2008182319060.1479@knanqh.ubzr> (raw)
In-Reply-To: <20200819031723.1398378-1-nico@fluxnic.net>


Of course subject prefix should have been "[PATCH v2 0/2]" here.

On Tue, 18 Aug 2020, Nicolas Pitre wrote:

> The MIPI I3C HCI (Host Controller Interface) specification defines
> a common software driver interface to support compliant MIPI I3C
> host controller hardware implementations from multiple vendors. This
> is the initial Linux driver implementing support for this specification.
> 
> Due to limitations in the I3C subsystem, this driver doesn't implement
> everything the spec specifies. For example, scheduled commands,
> auto-commands and NCM are major features not yet supported.
> 
> There are different revisions of the spec: v1.0, v1.1 (to be released
> imminently), and 2.0 (still under active development). All of them are
> supported with varying degree due to the above. And of course v2 support
> is likely to change as the spec is finalized, but it is included now
> in its preliminary form as all I have for testing at the moment is based
> on an early v2 draft.
> 
> Even v1.0 hardware is still scarse so it hasn't been tested yet. As more
> hardware becomes available for testing it is expected that adjustments
> will be needed on top of this submission. But it is best to have the
> current code merged earlier so it gains better exposure for future
> contributions.
> 
> Feedback appreciated.
> 
> Changes from v1:
> 
> - moved DT binding to schema format (Rob)
> - fix sparse warnings (kernel test robot)
> - fix build warnings on 32-bit targets (kernel test robot)
> - avoid PIO_OFFSET symbol conflict (kernel test robot)
> - minor cosmetic changes
> 
> diffstat:
> 
>  .../devicetree/bindings/i3c/mipi-i3c-hci.yaml   |  41 +
>  drivers/i3c/master/Kconfig                      |  13 +
>  drivers/i3c/master/Makefile                     |   1 +
>  drivers/i3c/master/mipi-i3c-hci/Makefile        |   9 +
>  drivers/i3c/master/mipi-i3c-hci/cmd.h           | 106 ++
>  drivers/i3c/master/mipi-i3c-hci/cmd_v1.c        | 362 +++++++
>  drivers/i3c/master/mipi-i3c-hci/cmd_v2.c        | 280 +++++
>  drivers/i3c/master/mipi-i3c-hci/core.c          | 801 +++++++++++++++
>  drivers/i3c/master/mipi-i3c-hci/dat.h           |  28 +
>  drivers/i3c/master/mipi-i3c-hci/dat_v1.c        | 170 ++++
>  drivers/i3c/master/mipi-i3c-hci/dct.h           |  16 +
>  drivers/i3c/master/mipi-i3c-hci/dct_v1.c        |  36 +
>  drivers/i3c/master/mipi-i3c-hci/debug.c         |  79 ++
>  drivers/i3c/master/mipi-i3c-hci/debug.h         |  17 +
>  drivers/i3c/master/mipi-i3c-hci/dma.c           | 781 ++++++++++++++
>  drivers/i3c/master/mipi-i3c-hci/ext_caps.c      | 249 +++++
>  drivers/i3c/master/mipi-i3c-hci/ext_caps.h      |  19 +
>  drivers/i3c/master/mipi-i3c-hci/hci.h           | 150 +++
>  drivers/i3c/master/mipi-i3c-hci/ibi.h           |  42 +
>  drivers/i3c/master/mipi-i3c-hci/pio.c           | 961 ++++++++++++++++++
>  20 files changed, 4161 insertions(+)
> 
> 
> 

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      parent reply	other threads:[~2020-08-19  3:21 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-19  3:17 Nicolas Pitre
2020-08-19  3:17 ` [PATCH v2 1/2] dt-bindings: i3c: MIPI I3C Host Controller Interface Nicolas Pitre
2020-08-25 21:29   ` Rob Herring
2020-08-25 22:02     ` Nicolas Pitre
2020-08-25 23:06       ` Rob Herring
2020-08-26  0:40         ` Nicolas Pitre
2020-08-19  3:17 ` [PATCH v2 2/2] i3c/master: add the mipi-i3c-hci driver Nicolas Pitre
2020-10-01 12:31   ` Sakari Ailus
2020-10-05 22:15     ` Nicolas Pitre
2020-10-07 10:17       ` Sakari Ailus
2020-10-07 16:30         ` Nicolas Pitre
2020-10-09 12:01           ` Sakari Ailus
2020-08-19  3:21 ` Nicolas Pitre [this message]

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