boards/sim: Add FT2232H GPIO board support

This board profile configure the FT2232H module to use as a GPIO
to NuttX sim.

Signed-off-by: Alan C. Assis <acassis@gmail.com>

Author: acassis

boards/sim/sim/sim/configs/ft2232h_gpio/defconfig

@@ -0,0 +1,76 @@
+#
+# This file is autogenerated: PLEASE DO NOT EDIT IT.
+#
+# You can use "make menuconfig" to make any modifications to the installed .config file.
+# You can then do "make savedefconfig" to generate a new defconfig file that includes your
+# modifications.
+#
+# CONFIG_NSH_CMDOPT_HEXDUMP is not set
+CONFIG_ARCH="sim"
+CONFIG_ARCH_BOARD="sim"
+CONFIG_ARCH_BOARD_SIM=y
+CONFIG_ARCH_CHIP="sim"
+CONFIG_ARCH_SIM=y
+CONFIG_BOARDCTL_APP_SYMTAB=y
+CONFIG_BOARDCTL_POWEROFF=y
+CONFIG_BOARD_LOOPSPERMSEC=0
+CONFIG_BOOT_RUNFROMEXTSRAM=y
+CONFIG_BUILTIN=y
+CONFIG_COVERAGE_ALL=y
+CONFIG_COVERAGE_TOOLCHAIN=y
+CONFIG_DEBUG_ASSERTIONS=y
+CONFIG_DEBUG_ASSERTIONS_EXPRESSION=y
+CONFIG_DEBUG_FEATURES=y
+CONFIG_DEBUG_SYMBOLS=y
+CONFIG_DEV_GPIO=y
+CONFIG_DEV_LOOP=y
+CONFIG_ETC_FATDEVNO=2
+CONFIG_ETC_ROMFS=y
+CONFIG_ETC_ROMFSDEVNO=1
+CONFIG_EXAMPLES_GPIO=y
+CONFIG_EXAMPLES_HELLO=y
+CONFIG_FAT_LCNAMES=y
+CONFIG_FAT_LFN=y
+CONFIG_FS_BINFS=y
+CONFIG_FS_FAT=y
+CONFIG_FS_HOSTFS=y
+CONFIG_FS_PROCFS=y
+CONFIG_FS_RAMMAP=y
+CONFIG_FS_ROMFS=y
+CONFIG_GPIO_LOWER_HALF=y
+CONFIG_HAVE_CXXINITIALIZE=y
+CONFIG_IDLETHREAD_STACKSIZE=4096
+CONFIG_INIT_ENTRYPOINT="nsh_main"
+CONFIG_IOEXPANDER=y
+CONFIG_IOEXPANDER_DUMMY=y
+CONFIG_LIBC_ENVPATH=y
+CONFIG_LIBC_EXECFUNCS=y
+CONFIG_LIBC_LOCALE=y
+CONFIG_LIBC_LOCALE_CATALOG=y
+CONFIG_LIBC_LOCALE_GETTEXT=y
+CONFIG_LIBC_MAX_EXITFUNS=1
+CONFIG_LIBC_NUMBERED_ARGS=y
+CONFIG_NDEBUG=y
+CONFIG_NSH_BUILTIN_APPS=y
+CONFIG_NSH_FILE_APPS=y
+CONFIG_NSH_READLINE=y
+CONFIG_PATH_INITIAL="/bin"
+CONFIG_PIPES=y
+CONFIG_PSEUDOFS_ATTRIBUTES=y
+CONFIG_PSEUDOFS_FILE=y
+CONFIG_PSEUDOFS_SOFTLINKS=y
+CONFIG_READLINE_TABCOMPLETION=y
+CONFIG_SCHED_BACKTRACE=y
+CONFIG_SCHED_EVENTS=y
+CONFIG_SCHED_HAVE_PARENT=y
+CONFIG_SCHED_WAITPID=y
+CONFIG_SIM_GPIOCHIP=y
+CONFIG_SIM_GPIOCHIP_FTDI=y
+CONFIG_SIM_HOSTFS=y
+CONFIG_SIM_WALLTIME_SIGNAL=y
+CONFIG_START_MONTH=6
+CONFIG_START_YEAR=2008
+CONFIG_SYSTEM_DUMPSTACK=y
+CONFIG_SYSTEM_GCOV=y
+CONFIG_SYSTEM_NSH=y
+CONFIG_TESTING_OSTEST=y

boards/sim/sim/sim/src/sim_bringup.c

@@ -43,6 +43,7 @@
 #include <nuttx/spi/spi_transfer.h>
 #include <nuttx/rc/lirc_dev.h>
 #include <nuttx/rc/dummy.h>
+#include <nuttx/ioexpander/gpio.h>
 #include <nuttx/sensors/fakesensor.h>
 #include <nuttx/sensors/mpu60x0.h>
 #include <nuttx/sensors/wtgahrs2.h>
@@ -74,6 +75,10 @@
 #include <nuttx/timers/timer_wdog.h>
 #endif
 
+#ifdef CONFIG_SIM_GPIOCHIP_FTDI
+#include "sim_gpiochip.h"
+#endif
+
 #include "sim_internal.h"
 #include "sim.h"
 
@@ -122,6 +127,20 @@ int sim_bringup(void)
 #endif
   int ret = OK;
 
+#ifdef CONFIG_SIM_GPIOCHIP_FTDI
+  /* Initialize the FT2232H GPIO device
+   * pass a parameter defining which pins will be input (0) and
+   * which will be output (1).
+   * 0xf0 = AD0-AD3: Input; AD4-AD7: Output.
+   */
+
+  ret = sim_gpiochip_initialize(0xf0);
+  if (ret < 0)
+    {
+      syslog(LOG_ERR, "ERROR: Failed to initialize FT2232H: %d\n", ret);
+    }
+#endif
+
 #ifdef CONFIG_FS_BINFS
   /* Mount the binfs file system */