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(+) > > >
