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 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 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
