Re: [PATCH v3 0/3] sandbox: add gpio support with libftdi1

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On Mon, 22 Jan 2018 12:59:15 +0300
Antony Pavlov <antonynpavlov@xxxxxxxxx> wrote:

Sascha!

Please review this patch series.

> This patch series makes it possible to use FT2232H ACBUS[7:0]
> pins as gpio pins from sandbox barebox.
> 
> There are ready-to-use FT2232H-based boards:
> 
>   * FT2232H-56Q Mini-Module (http://www.ftdichip.com/Products/Modules/DevelopmentModules.htm#FT2232H-56_Mini)
>   * FT2232 breakout board (http://dangerousprototypes.com/docs/FT2232_breakout_board)
> 
> The main goal of adding gpio functionality to sandbox barebox
> is using it for connecting real i2c and spi devices to sandbox barebox.
> 
> Sample dts-file for at24 i2c eeprom and at25 spi flash is included.
> 
> Changes since v2 patch series (http://lists.infradead.org/pipermail/barebox/2018-January/031887.html):
> 
>   * ftdi USB IDs are moved to dts, parseopt_* functions are unused;
>   * dts stuff moved to sandbox-libftdi-example.dtsi;
>   * led example is added.
> 
> Changes since v1 patch series (http://lists.infradead.org/pipermail/barebox/2017-October/031306.html):
> 
>   * rebase on top barebox v2017.12.0;
>   * ds1307 i2c rtc driver works fine (i2c-gpio,scl-output-only is used);
>   * parseopt_* functions are used for cmdline parsing.
> 
> Changes since RFC v1 patch series (http://lists.infradead.org/pipermail/barebox/2017-February/029106.html):
> 
>   * rebase on top barebox v2017.10.0;
>   * libftdi cmdline options are added;
>   * device tree support is added.
> 
> Antony Pavlov (3):
>   sandbox: avoid symbol conflict for {open,read,close}dir
>   sandbox: add gpio support with libftdi1
>   sandbox: add i2c and spi libftdi1 bit-bang example
> 
>  arch/sandbox/Kconfig                           |   1 +
>  arch/sandbox/Makefile                          |  10 +-
>  arch/sandbox/configs/sandbox_defconfig         |  21 +++-
>  arch/sandbox/dts/sandbox-libftdi-example.dtsi  |  80 +++++++++++++
>  arch/sandbox/mach-sandbox/include/mach/linux.h |  12 ++
>  arch/sandbox/os/Makefile                       |   3 +
>  arch/sandbox/os/ftdi.c                         | 154 +++++++++++++++++++++++++
>  drivers/gpio/Kconfig                           |   4 +
>  drivers/gpio/Makefile                          |   1 +
>  drivers/gpio/gpio-libftdi1.c                   | 137 ++++++++++++++++++++++
>  10 files changed, 420 insertions(+), 3 deletions(-)
>  create mode 100644 arch/sandbox/dts/sandbox-libftdi-example.dtsi
>  create mode 100644 arch/sandbox/os/ftdi.c
>  create mode 100644 drivers/gpio/gpio-libftdi1.c
> 
> -- 
> 2.15.1
> 


-- 
Best regards,
  Antony Pavlov

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