linux-kernel - Re: [PATCH 0/3] FPGA Manager support for FPP via FT232H FT245-FIFO

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Message-ID: <CANk1AXRJJ1seMv0eJmgTrcax+Y-vFyw=XfrQH+8Dd3TGG+jZ0g@mail.gmail.com>
Date:   Wed, 2 Aug 2017 09:16:19 -0500
From:   Alan Tull <atull@...nel.org>
To:     Eric Schwarz <eas@...optimization.com>
Cc:     Anatolij Gustschin <agust@...x.de>,
        Lee Jones <lee.jones@...aro.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Moritz Fischer <moritz.fischer@...us.com>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        linux-fpga@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-fpga-owner@...r.kernel.org
Subject: Re: [PATCH 0/3] FPGA Manager support for FPP via FT232H FT245-FIFO

On Wed, Aug 2, 2017 at 6:36 AM, Eric Schwarz <eas@...optimization.com> wrote:
> 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

Hi Eric,

Patchwork collects all email response to patchsets posted on this
mailing list [1] so that could be helpful for you here.

Alan

[1] https://patchwork.kernel.org/project/linux-fpga/list/?submitter=769


>
> * 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