Re: [RFC 0/9] i2c: slave: improve i2c client address spaces and their DT support

[Andrey Danin <danindrey@mail.ru>]

On 17.07.2015 17:08, Wolfram Sang wrote:
> As promised here is my RFC to improve address spaces for I2C. This should give
> i2c seperate address spaces for standard clients, 10 bit clients, and our own
> slave clients. So, you can now have a 7 bit slave at 0x50 and a 10 bit slave at
> 0x050. Or, you can have a slave driver listening at some address and at the
> same time have a client driver talking to this address. Note that this is only
> the core support for that separation, I am still not sure if there is hardware
> being able talking to its own slave address, but we will see.
>
> This RFC and while I did some quick tests, it is not thoroughly tested. But I
> wanted to push it out before I leave the computer for the weekend. It still
> shows what path I chose to solve the problem. So, comments on that and further
> testing are more than welcome!
>
> BTW Andrey, I did not modify your patch and couldn't get the i2c-slave-eeprom driver
> to work with my Jetson TK1. Does this work for you?
>
> Thanks,
>
>     Wolfram
>
>
> Andrey Danin (1):
>    i2c: tegra: implement slave mode
>
> Wolfram Sang (8):
>    dt-bindings: add header for generic I2C flags in bindings
>    i2c: add a flag to mark clients as slaves
>    i2c: apply address offset for slaves, too
>    i2c: rename address check functions
>    i2c: make address check indpendent from client struct
>    i2c: apply DT flags when probing
>    i2c: take address space into account when checking for used addresses
>    dts: tegra: WIP: hack dts to test new dt flags for i2c
>
>   arch/arm/boot/dts/tegra124-jetson-tk1.dts |   7 ++
>   drivers/i2c/busses/Kconfig                |   1 +
>   drivers/i2c/busses/i2c-tegra.c            | 119 ++++++++++++++++++++++++++++++
>   drivers/i2c/i2c-core.c                    |  69 +++++++++++------
>   include/dt-bindings/i2c/i2c.h             |  18 +++++
>   include/linux/i2c.h                       |   9 ++-
>   6 files changed, 197 insertions(+), 26 deletions(-)
>   create mode 100644 include/dt-bindings/i2c/i2c.h
>

The series is
Tested-by: Andrey Danin <danindrey@mail.ru>