diff options
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/pinctrl-single.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index e99eb55..cdb5040 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -30,10 +30,12 @@ struct single_pdata { * struct single_priv - private data * @bits_per_pin: number of bits per pin * @npins: number of selectable pins + * @pin_name: temporary buffer to store the pin name */ struct single_priv { unsigned int bits_per_pin; unsigned int npins; + char pin_name[PINNAME_SIZE]; }; /** @@ -204,6 +206,19 @@ static int single_set_state(struct udevice *dev, return len; } +static const char *single_get_pin_name(struct udevice *dev, + unsigned int selector) +{ + struct single_priv *priv = dev_get_priv(dev); + + if (selector >= priv->npins) + snprintf(priv->pin_name, PINNAME_SIZE, "Error"); + else + snprintf(priv->pin_name, PINNAME_SIZE, "PIN%u", selector); + + return priv->pin_name; +} + static int single_get_pins_count(struct udevice *dev) { struct single_priv *priv = dev_get_priv(dev); @@ -279,6 +294,7 @@ static int single_of_to_plat(struct udevice *dev) const struct pinctrl_ops single_pinctrl_ops = { .get_pins_count = single_get_pins_count, + .get_pin_name = single_get_pin_name, .set_state = single_set_state, }; |