diff options
Diffstat (limited to 'common/gpio_common.c')
| -rw-r--r-- | common/gpio_common.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/common/gpio_common.c b/common/gpio_common.c index 11ab9fa4e7..e310814847 100644 --- a/common/gpio_common.c +++ b/common/gpio_common.c @@ -61,6 +61,34 @@ static int last_val_changed(int i, int v) /*****************************************************************************/ /* GPIO API */ +void gpio_config_module(enum module_id id, int enable) +{ + const struct gpio_alt_func *af = gpio_alt_funcs; + int i; + + /* Set module's pins to alternate functions */ + for (i = 0; i < gpio_alt_funcs_count; i++, af++) { + if (id != af->module_id) + continue; /* Pins for some other module */ + + if (enable) { + gpio_set_flags_by_mask(af->port, af->mask, af->flags); + gpio_set_alternate_function(af->port, af->mask, + af->func); + } else { + gpio_set_flags_by_mask(af->port, af->mask, GPIO_INPUT); + gpio_set_alternate_function(af->port, af->mask, -1); + } + } +} + +void gpio_set_flags(enum gpio_signal signal, int flags) +{ + const struct gpio_info *g = gpio_list + signal; + + gpio_set_flags_by_mask(g->port, g->mask, flags); +} + const char *gpio_get_name(enum gpio_signal signal) { return gpio_list[signal].name; |