It returns the name of the requested pin.
Signed-off-by: Dario Binacchi dariobin@libero.it Reviewed-by: Simon Glass sjg@chromium.org
---
Changes in v2: - Added Simon Glass review tag.
drivers/pinctrl/pinctrl-single.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)
diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index e99eb552f5..cdb5040852 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, };