[PATCH v2 0/7] sandbox: add gpio support with libftdi1
Antony Pavlov
antonynpavlov at gmail.com
Thu Jan 18 10:13:50 PST 2018
On Mon, 15 Jan 2018 00:22:45 +0300
Antony Pavlov <antonynpavlov at gmail.com> wrote:
> This patch series makes it possible to use FT2232H ACBUS[7:0]
> pins as gpio pins from sandbox barebox.
Hi Sascha!
Please review this patch series!
> 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 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 (7):
> sandbox: avoid symbol conflict for {open,read,close}dir
> sandbox: add gpio support with libftdi1
> sandbox: add i2c and spi libftdi1 bit-bang example
> move parseopt to lib/
> include/parseopt.h: add guard macro
> parseopt: introduce parseopt_u16() and parseopt_str()
> sandbox: parse libftdi options
>
> arch/sandbox/Kconfig | 1 +
> arch/sandbox/Makefile | 10 +-
> arch/sandbox/configs/sandbox_defconfig | 26 +++-
> arch/sandbox/dts/sandbox.dts | 52 +++++++
> arch/sandbox/mach-sandbox/include/mach/linux.h | 11 ++
> arch/sandbox/os/Makefile | 3 +
> arch/sandbox/os/common.c | 12 +-
> arch/sandbox/os/ftdi.c | 181 +++++++++++++++++++++++++
> drivers/gpio/Kconfig | 4 +
> drivers/gpio/Makefile | 1 +
> drivers/gpio/gpio-libftdi1.c | 125 +++++++++++++++++
> fs/Makefile | 2 +-
> fs/fs.c | 3 +-
> fs/nfs.c | 3 +-
> fs/parseopt.c | 60 --------
> fs/parseopt.h | 2 -
> include/parseopt.h | 9 ++
> lib/Makefile | 1 +
> lib/parseopt.c | 124 +++++++++++++++++
> 19 files changed, 558 insertions(+), 72 deletions(-)
> create mode 100644 arch/sandbox/os/ftdi.c
> create mode 100644 drivers/gpio/gpio-libftdi1.c
> delete mode 100644 fs/parseopt.c
> delete mode 100644 fs/parseopt.h
> create mode 100644 include/parseopt.h
> create mode 100644 lib/parseopt.c
>
> --
> 2.15.1
>
--
Best regards,
Antony Pavlov
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