@@ -30,12 +30,14 @@ 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
* @read: function to read from a configuration register
* @write: function to write to a configuration register
*/
struct single_priv {
unsigned int bits_per_pin;
unsigned int npins;
+ char pin_name[PINNAME_SIZE];
unsigned int (*read)(fdt_addr_t reg);
void (*write)(unsigned int val, fdt_addr_t reg);
};
@@ -207,6 +209,19 @@ 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);
@@ -286,6 +301,7 @@ 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,
};
It returns the name of the requested pin. Signed-off-by: Dario Binacchi <dariobin@libero.it> --- drivers/pinctrl/pinctrl-single.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)