LPC32XX_GPI_P3_MAX
static const char *gpi_p3_names[LPC32XX_GPI_P3_MAX] = {
.ngpio = LPC32XX_GPI_P3_MAX,
#define LPC32XX_GPO_P3_GRP (LPC32XX_GPI_P3_GRP + LPC32XX_GPI_P3_MAX)