[U-Boot] [PATCH V2] i2c: xiic: Add Xilinx AXI I2C driver
Michal Simek
michal.simek at xilinx.com
Mon Jan 7 08:07:21 UTC 2019
On 07. 01. 19 8:57, Heiko Schocher wrote:
> Hello Marek,
>
> Am 19.12.2018 um 12:26 schrieb Marek Vasut:
>> Add Xilinx AXI I2C controller driver based on the Linux i2c-xiic driver.
>> This driver is stripped of all the IRQ handling and uses pure polling,
>> yet tries to retain most of the structure of the Linux driver to make
>> backporting of fixes easy.
>>
>> Note that the IP has a known limitation on 255 bytes read and write,
>> according to xilinx this is still being worked on [1].
>>
>> [1]
>> https://forums.xilinx.com/t5/Embedded-Processor-System-Design/AXI-IIC-V2-0-I2C-Master-Reading-multiple-bytes-from-I2C-slave/m-p/854419/highlight/true#M39387
>>
>>
>> Signed-off-by: Marek Vasut <marex at denx.de>
>> Cc: Michal Simek <monstr at monstr.eu>
>> Cc: Michal Simek <michal.simek at xilinx.com>
>> Cc: Heiko Schocher <hs at denx.de>
>> ---
>> V2: - Sort Makefile
>> - Fix formatting in Kconfig
>> ---
>> drivers/i2c/Kconfig | 6 +
>> drivers/i2c/Makefile | 1 +
>> drivers/i2c/xilinx_xiic.c | 340 ++++++++++++++++++++++++++++++++++++++
>> 3 files changed, 347 insertions(+)
>> create mode 100644 drivers/i2c/xilinx_xiic.c
>
> Reviewed-by: Heiko Schocher <hs at denx.de>
Acked-by: Michal Simek <michal.simek at xilinx.com>
Heiko: I hope you will take it via your tree.
Thanks,
Michal
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