[PATCH v2] i2c: octeon_i2c: Add I2C controller driver for Octeon

[Simon Glass]

Hi Stefan,

On Tue, 26 May 2020 at 06:13, Stefan Roese <sr at denx.de> wrote:
>
> From: Suneel Garapati <sgarapati at marvell.com>
>
> Add support for I2C controllers found on Octeon II/III and Octeon TX
> TX2 SoC platforms.
>
> Signed-off-by: Aaron Williams <awilliams at marvell.com>
> Signed-off-by: Suneel Garapati <sgarapati at marvell.com>
> Signed-off-by: Stefan Roese <sr at denx.de>
> Cc: Heiko Schocher <hs at denx.de>
> Cc: Simon Glass <sjg at chromium.org>
> Cc: Daniel Schwierzeck <daniel.schwierzeck at gmail.com>
> Cc: Aaron Williams <awilliams at marvell.com>
> Cc: Chandrakala Chavva <cchavva at marvell.com>
> ---
> v2 (Stefan):
> - Added clk framework support and dropped ad-hoc clock code
> - Removed #ifdef's for Octeon vs OcteonTX/TX2 completely
>   The differentiation is now made via driver data / compatible
>   string
> - Added device-tree bindings documentation
> - Removed unused macro
>
> RFC -> v1 (Stefan):
> - Separated this patch from the OcteonTX/TX2 RFC patch series into a
>   single patch. This is useful, as the upcoming MIPS Octeon support will
>   use this I2C driver.
> - Added MIPS Octeon II/III support (big endian). Rename driver and its
>   function names from "octeontx" to "octeon" to better match all Octeon
>   platforms.
> - Moved from union to defines / bitmasks as suggested by Simon. This makes
>   the driver usage on little- and big-endian platforms much easier.
> - Enhanced Kconfig text
> - Removed all clock macros (use values from DT)
> - Removed long driver debug strings. This is only available when a debug
>   version of this driver is built. The user / developer can lookup the
>   descriptive error messages in the driver in this case anyway.
> - Removed static "last_id"
> - Dropped misc blank lines. Misc reformatting.
> - Dropped "!= 0"
> - Added missing function comments
> - Added missing strut comments
> - Changed comment style
> - Renames "result" to "ret"
> - Hex numbers uppercase
> - Minor other changes
> - Reword commit text and subject
>
>  doc/device-tree-bindings/i2c/octeon-i2c.txt |  24 +
>  drivers/i2c/Kconfig                         |  10 +
>  drivers/i2c/Makefile                        |   1 +
>  drivers/i2c/octeon_i2c.c                    | 847 ++++++++++++++++++++
>  4 files changed, 882 insertions(+)
>  create mode 100644 doc/device-tree-bindings/i2c/octeon-i2c.txt
>  create mode 100644 drivers/i2c/octeon_i2c.c
>

Reviewed-by: Simon Glass <sjg at chromium.org>