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SubjectRe: [PATCH 0/3] FPGA Manager support for FPP via FT232H FT245-FIFO
Dear all,

DENX Software Engineering develops and brings this driver to mainline on
behalf of us (ARRI*).

Since there was a lot of discussion around this patch series I would
highly appreciate if someone could sum up what needs to be changed in
detail in order to get this driver into the mainline as I am used it
from the other "line-by-line" reviews. I understood that the approach is
not generic enough - please correct me if I am wrong on that point. We
somehow need a commitment that if we change it to another way that the
whole discussion does not start from scratch.

Many thanks
Eric

* I am just writing from my private e-mail address since Outlook
obviously renders all my mails as HTML despite what I am configuring.

[1]... http://www.arri.com

Am 06.07.2017 22:49, schrieb Anatolij Gustschin:

> This series adds support for fast passive parallel (FPP) Altera
> FPGA configuration using FTDI FT232H chip in FT245-FIFO mode.
> It has been used to configure Arria 10 FPGAs.
>
> Patch 1 adds an FT232H MFD driver with common functions that
> can be used for FT232H USB-GPIO/I2C/SPI master adapter drivers.
> Currently it is used for FT232H GPIO support (in patch 2) and
> for FT245 FIFO transfers in FPP FPGA manager driver in patch 3.
> Driver support for FT232H USB-I2C/SPI master adapters can be
> added later.
>
> Patch 2 adds a simple GPIO driver supporting four FT232H CBUS GPIOs.
>
> Patch 3 adds an FPGA Manager driver for Altera FPP FPGA configuration
> via FT232H FT245-FIFO interface.
>
> Anatolij Gustschin (3):
> mfd: Add support for FTDI FT232H devices
> gpio: Add FT232H CBUS GPIO driver
> fpga manager: Add FT232H driver for Altera FPP
>
> drivers/fpga/Kconfig | 7 +
> drivers/fpga/Makefile | 1 +
> drivers/fpga/ftdi-fifo-fpp.c | 569
> ++++++++++++++++++++++++++++++++++++++++++
> drivers/gpio/Kconfig | 11 +
> drivers/gpio/Makefile | 1 +
> drivers/gpio/gpio-ftdi-cbus.c | 251 +++++++++++++++++++
> drivers/mfd/Kconfig | 9 +
> drivers/mfd/Makefile | 1 +
> drivers/mfd/ftdi-ft232h.c | 470 ++++++++++++++++++++++++++++++++++
> include/linux/mfd/ftdi/ftdi.h | 71 ++++++
> 10 files changed, 1391 insertions(+)
> create mode 100644 drivers/fpga/ftdi-fifo-fpp.c
> create mode 100644 drivers/gpio/gpio-ftdi-cbus.c
> create mode 100644 drivers/mfd/ftdi-ft232h.c
> create mode 100644 include/linux/mfd/ftdi/ftdi.h

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